Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Oct. 5, 2021, 9:52 a.m.	Oct. 5, 2021, 9:56 a.m.

Size	303.7KB
Type	PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5	`b0fdc1d5d662600356931895750433e3`
SHA256	`ef0e7b943e7baf777538a3b2b83c30ed0e4f8282a014a9d6a73aac1e4b08d2b9`
CRC32	`4B63302C`
ssdeep	`6144:F8LxBsQD6P34xvCGg0f0XVKwn+P8r5g6BKGsUz6vPJa0eaNgYqUsy6Y7qQoOn:/QJxvPg0sXU8r5g6YGCIR7y6GqXe`
Yara	PE_Header_Zero - PE File Signature Malicious_Library_Zero - Malicious_Library IsPE32 - (no description) NSIS_Installer - Null Soft Installer

mexz.exe "C:\Users\test22\AppData\Local\Temp\mexz.exe"
2416
- mexz.exe "C:\Users\test22\AppData\Local\Temp\mexz.exe"
  1824

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW Oct. 5, 2021, 9:52 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Oct. 5, 2021, 9:52 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Oct. 5, 2021, 9:52 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Oct. 5, 2021, 9:52 a.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (3 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Oct. 5, 2021, 9:52 a.m.			0	0
IsDebuggerPresent Oct. 5, 2021, 9:52 a.m.			0	0
IsDebuggerPresent Oct. 5, 2021, 9:52 a.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey Oct. 5, 2021, 9:54 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0057ad98 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Oct. 5, 2021, 9:54 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0057a698 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Oct. 5, 2021, 9:54 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0057a698 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx Oct. 5, 2021, 9:52 a.m.		1	1	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.ndata

One or more processes crashed (6 events)

Time & API	Arguments	Status
__exception__ Oct. 5, 2021, 9:52 a.m.	stacktrace: 0x4681798 0x4680fbb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72532652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7254264f LogHelp_TerminateOnAssert+0x12cf8 GetPrivateContextsPerfCounters-0x674a clr+0x81838 @ 0x725b1838 LogHelp_TerminateOnAssert+0x12bf7 GetPrivateContextsPerfCounters-0x684b clr+0x81737 @ 0x725b1737 mscorlib+0x2d3711 @ 0x6ff13711 mscorlib+0x308f2d @ 0x6ff48f2d mscorlib+0x2cb060 @ 0x6ff0b060 mscorlib+0x95a1ac @ 0x7059a1ac DllUnregisterServerInternal-0x7666 clr+0x2a8e @ 0x72532a8e DllGetClassObjectInternal+0x37c9b CorDllMainForThunk-0x54860 clr+0xfcd14 @ 0x7262cd14 0x48a062 0x40144c 0x4014e5 0x401819 BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 8b d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x4681c0b registers.esp: 1636544 registers.edi: 1636568 registers.eax: 0 registers.ebp: 1636580 registers.edx: 195 registers.ebx: 1637272 registers.esi: 34475856 registers.ecx: 0	1
__exception__ Oct. 5, 2021, 9:54 a.m.	stacktrace: 0x46867f0 0x4681529 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72532652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7254264f LogHelp_TerminateOnAssert+0x12cf8 GetPrivateContextsPerfCounters-0x674a clr+0x81838 @ 0x725b1838 LogHelp_TerminateOnAssert+0x12bf7 GetPrivateContextsPerfCounters-0x684b clr+0x81737 @ 0x725b1737 mscorlib+0x2d3711 @ 0x6ff13711 mscorlib+0x308f2d @ 0x6ff48f2d mscorlib+0x2cb060 @ 0x6ff0b060 mscorlib+0x95a1ac @ 0x7059a1ac DllUnregisterServerInternal-0x7666 clr+0x2a8e @ 0x72532a8e DllGetClassObjectInternal+0x37c9b CorDllMainForThunk-0x54860 clr+0xfcd14 @ 0x7262cd14 0x48a062 0x40144c 0x4014e5 0x401819 BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 39 09 e8 96 69 82 6b 83 78 04 00 0f 84 3c 02 00 exception.instruction: cmp dword ptr [ecx], ecx exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x468a14f registers.esp: 1635252 registers.edi: 1635316 registers.eax: 0 registers.ebp: 1635332 registers.edx: 1635220 registers.ebx: 34531472 registers.esi: 34533672 registers.ecx: 0	1
__exception__ Oct. 5, 2021, 9:54 a.m.	stacktrace: 0x46868d5 0x4681529 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72532652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7254264f LogHelp_TerminateOnAssert+0x12cf8 GetPrivateContextsPerfCounters-0x674a clr+0x81838 @ 0x725b1838 LogHelp_TerminateOnAssert+0x12bf7 GetPrivateContextsPerfCounters-0x684b clr+0x81737 @ 0x725b1737 mscorlib+0x2d3711 @ 0x6ff13711 mscorlib+0x308f2d @ 0x6ff48f2d mscorlib+0x2cb060 @ 0x6ff0b060 mscorlib+0x95a1ac @ 0x7059a1ac DllUnregisterServerInternal-0x7666 clr+0x2a8e @ 0x72532a8e DllGetClassObjectInternal+0x37c9b CorDllMainForThunk-0x54860 clr+0xfcd14 @ 0x7262cd14 0x48a062 0x40144c 0x4014e5 0x401819 BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 38 07 68 ff ff ff 7f 6a 00 8b cf e8 f2 41 8a 6b exception.instruction: cmp byte ptr [edi], al exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x468aace registers.esp: 1635284 registers.edi: 0 registers.eax: 34640432 registers.ebp: 1635332 registers.edx: 34640432 registers.ebx: 34639876 registers.esi: 34639852 registers.ecx: 1875134866	1
__exception__ Oct. 5, 2021, 9:54 a.m.	stacktrace: 0x46869f0 0x4681529 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72532652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7254264f LogHelp_TerminateOnAssert+0x12cf8 GetPrivateContextsPerfCounters-0x674a clr+0x81838 @ 0x725b1838 LogHelp_TerminateOnAssert+0x12bf7 GetPrivateContextsPerfCounters-0x684b clr+0x81737 @ 0x725b1737 mscorlib+0x2d3711 @ 0x6ff13711 mscorlib+0x308f2d @ 0x6ff48f2d mscorlib+0x2cb060 @ 0x6ff0b060 mscorlib+0x95a1ac @ 0x7059a1ac DllUnregisterServerInternal-0x7666 clr+0x2a8e @ 0x72532a8e DllGetClassObjectInternal+0x37c9b CorDllMainForThunk-0x54860 clr+0xfcd14 @ 0x7262cd14 0x48a062 0x40144c 0x4014e5 0x401819 BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 01 8b 40 2c ff 50 14 38 00 89 45 cc e9 85 00 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x468b719 registers.esp: 1635280 registers.edi: 1635320 registers.eax: 3 registers.ebp: 1635332 registers.edx: 0 registers.ebx: 34531472 registers.esi: 34676720 registers.ecx: 0	1
__exception__ Oct. 5, 2021, 9:54 a.m.	stacktrace: 0x4681529 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72532652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7254264f LogHelp_TerminateOnAssert+0x12cf8 GetPrivateContextsPerfCounters-0x674a clr+0x81838 @ 0x725b1838 LogHelp_TerminateOnAssert+0x12bf7 GetPrivateContextsPerfCounters-0x684b clr+0x81737 @ 0x725b1737 mscorlib+0x2d3711 @ 0x6ff13711 mscorlib+0x308f2d @ 0x6ff48f2d mscorlib+0x2cb060 @ 0x6ff0b060 mscorlib+0x95a1ac @ 0x7059a1ac DllUnregisterServerInternal-0x7666 clr+0x2a8e @ 0x72532a8e DllGetClassObjectInternal+0x37c9b CorDllMainForThunk-0x54860 clr+0xfcd14 @ 0x7262cd14 0x48a062 0x40144c 0x4014e5 0x401819 BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 83 78 04 01 0f 9f c0 0f b6 c0 83 7f 04 01 0f 9f exception.instruction: cmp dword ptr [eax + 4], 1 exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x4686ad3 registers.esp: 1635340 registers.edi: 34687284 registers.eax: 0 registers.ebp: 1636616 registers.edx: 34687284 registers.ebx: 0 registers.esi: 0 registers.ecx: 33955172	1
__exception__ Oct. 5, 2021, 9:54 a.m.	stacktrace: 0x468720e 0x4681529 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72532652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7254264f LogHelp_TerminateOnAssert+0x12cf8 GetPrivateContextsPerfCounters-0x674a clr+0x81838 @ 0x725b1838 LogHelp_TerminateOnAssert+0x12bf7 GetPrivateContextsPerfCounters-0x684b clr+0x81737 @ 0x725b1737 mscorlib+0x2d3711 @ 0x6ff13711 mscorlib+0x308f2d @ 0x6ff48f2d mscorlib+0x2cb060 @ 0x6ff0b060 mscorlib+0x95a1ac @ 0x7059a1ac DllUnregisterServerInternal-0x7666 clr+0x2a8e @ 0x72532a8e DllGetClassObjectInternal+0x37c9b CorDllMainForThunk-0x54860 clr+0xfcd14 @ 0x7262cd14 0x48a062 0x40144c 0x4014e5 0x401819 BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 39 09 e8 31 fe e8 69 89 45 c8 33 d2 89 55 dc 83 exception.instruction: cmp dword ptr [ecx], ecx exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x6020cb4 registers.esp: 1635268 registers.edi: 1635316 registers.eax: 0 registers.ebp: 1635332 registers.edx: 1635236 registers.ebx: 0 registers.esi: 0 registers.ecx: 0	1

Allocates read-write-execute memory (usually to unpack itself) (50 out of 63 events)

Time & API	Arguments	Status
NtProtectVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 2416 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x728d2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 786432 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01d10000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01d90000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72531000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72532000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 458752 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01d10000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01d40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00482000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01d91000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01d92000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01d93000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004bb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01d94000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04620000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04680000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72322000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04681000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05330000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05331000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04682000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04683000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04684000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef48000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef30000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef30000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04685000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04686000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04688000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04689000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ab000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0468a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0468b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0468c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0468d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0468e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 5, 2021, 9:54 a.m.	process_identifier: 1824 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0468f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Steals private information from local Internet browsers (6 events)

file	C:\Users\test22\AppData\Local\Google\Chrome\User Data\Login Data
file	C:\Users\test22\AppData\Local\Google\Chrome\User Data\Default\Login Data
file	C:\Users\test22\AppData\Local\Google\Chrome\User Data\
file	C:\Users\test22\AppData\Local\Chromium\User Data
file	C:\Users\test22\AppData\Local\MapleStudio\ChromePlus\User Data
file	C:\Users\test22\AppData\Local\Yandex\YandexBrowser\User Data

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Temp\nsu601B.tmp\miqbfaicc.dll

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Local\Temp\nsu601B.tmp\miqbfaicc.dll

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Oct. 5, 2021, 9:52 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 311296 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000001fc	1	0	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation Oct. 5, 2021, 9:52 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

mexz.exe tried to sleep 13641049 seconds, actually delayed analysis time by 13641049 seconds

Harvests credentials from local FTP client softwares (5 events)

file	C:\Users\test22\AppData\Roaming\FTPGetter\servers.xml
file	C:\Users\test22\AppData\Roaming\Ipswitch\WS_FTP\Sites\ws_ftp.ini
file	C:\Users\test22\AppData\Roaming\FileZilla\recentservers.xml
registry	HKEY_CURRENT_USER\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions
registry	HKEY_CURRENT_USER\Software\FTPWare\COREFTP\Sites

Creates a windows hook that monitors keyboard input (keylogger) (1 event)

Time & API	Arguments	Status	Return	Repeated
SetWindowsHookExW Oct. 5, 2021, 9:54 a.m.	thread_identifier: 0 callback_function: 0x01d94eba hook_identifier: 13 (WH_KEYBOARD_LL) module_address: 0x045d0000		0	0

Harvests credentials from local email clients (5 events)

file	C:\Users\test22\AppData\Roaming\Thunderbird\profiles.ini
registry	HKEY_CURRENT_USER\Software\Microsoft\Windows Messaging Subsystem\Profiles\9375CFF0413111d3B88A00104B2A6676
registry	HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676
registry	HKEY_CURRENT_USER\Software\RimArts\B2\Settings
registry	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2416 called NtSetContextThread to modify thread in remote process 1824
NtSetContextThread Oct. 5, 2021, 9:52 a.m.	registers.eip: 2000355780 registers.esp: 1638384 registers.edi: 0 registers.eax: 4200587 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000001f8 process_identifier: 1824	1	0	0

Executed a process and injected code into it, probably while unpacking (12 events)

Time & API	Arguments	Status	Return
CreateProcessInternalW Oct. 5, 2021, 9:52 a.m.	thread_identifier: 1556 thread_handle: 0x000001f8 process_identifier: 1824 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\mexz.exe track: 1 command_line: "C:\Users\test22\AppData\Local\Temp\mexz.exe" filepath_r: C:\Users\test22\AppData\Local\Temp\mexz.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000001fc	1	1
NtGetContextThread Oct. 5, 2021, 9:52 a.m.	thread_handle: 0x000001f8	1	0
NtAllocateVirtualMemory Oct. 5, 2021, 9:52 a.m.	process_identifier: 1824 region_size: 311296 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000001fc	1	0
NtSetContextThread Oct. 5, 2021, 9:52 a.m.	registers.eip: 2000355780 registers.esp: 1638384 registers.edi: 0 registers.eax: 4200587 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000001f8 process_identifier: 1824	1	0
NtResumeThread Oct. 5, 2021, 9:52 a.m.	thread_handle: 0x00000118 suspend_count: 1 process_identifier: 1824	1	0
NtResumeThread Oct. 5, 2021, 9:52 a.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 1824	1	0
NtResumeThread Oct. 5, 2021, 9:52 a.m.	thread_handle: 0x000001d4 suspend_count: 1 process_identifier: 1824	1	0
NtResumeThread Oct. 5, 2021, 9:52 a.m.	thread_handle: 0x0000037c suspend_count: 1 process_identifier: 1824	1	0
NtResumeThread Oct. 5, 2021, 9:53 a.m.	thread_handle: 0x00000374 suspend_count: 1 process_identifier: 1824	1	0
NtResumeThread Oct. 5, 2021, 9:53 a.m.	thread_handle: 0x0000038c suspend_count: 1 process_identifier: 1824	1	0
NtResumeThread Oct. 5, 2021, 9:53 a.m.	thread_handle: 0x0000038c suspend_count: 1 process_identifier: 1824	1	0
NtResumeThread Oct. 5, 2021, 9:54 a.m.	thread_handle: 0x000003dc suspend_count: 1 process_identifier: 1824	1	0

File has been identified by 37 AntiVirus engines on VirusTotal as malicious (37 events)

Bkav	W32.AIDetect.malware2
Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.Generic.30278443
FireEye	Generic.mg.b0fdc1d5d6626003
ALYac	Trojan.Generic.30278443
Cylance	Unsafe
Sangfor	Suspicious.Win32.Save.a
K7AntiVirus	Spyware ( 004bf6371 )
Alibaba	TrojanPSW:Win32/Lokibot.d6fadb9b
K7GW	Spyware ( 004bf6371 )
Cybereason	malicious.5d6626
Cyren	W32/Agent.DLR.gen!Eldorado
Symantec	Packed.Generic.606
ESET-NOD32	MSIL/Spy.Agent.AES
TrendMicro-HouseCall	TROJ_GEN.R002H0CIT21
Kaspersky	HEUR:Trojan-PSW.Win32.Agensla.gen
BitDefender	Trojan.Generic.30278443
Avast	NSIS:PWSX-gen [Trj]
Tencent	Win32.Trojan-qqpass.Qqrob.Pgcz
Ad-Aware	Trojan.Generic.30278443
Sophos	Mal/Generic-S
McAfee-GW-Edition	BehavesLike.Win32.Dropper.fc
SentinelOne	Static AI - Malicious PE
Emsisoft	Trojan.Generic.30278443 (B)
APEX	Malicious
Avira	HEUR/AGEN.1142742
MAX	malware (ai score=83)
Microsoft	PWS:MSIL/DarkStealer.AD!MTB
GData	Trojan.Generic.30278443
Cynet	Malicious (score: 100)
McAfee	Artemis!B0FDC1D5D662
VBA32	TrojanPSW.Agensla
Malwarebytes	Malware.AI.373115997
Ikarus	Trojan.Win32.Injector
Fortinet	W32/Injector.EQCM!tr
AVG	NSIS:PWSX-gen [Trj]
CrowdStrike	win/malicious_confidence_100% (W)

mexz.exe

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