Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Sept. 8, 2021, 9:42 a.m.	Sept. 8, 2021, 9:46 a.m.

Size	667.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`4d94d8bf0fca86712a541658c8c0025f`
SHA256	`828184c5cf4fef9bd0a65b3298147ed583115999198602e84827a0a0c94bbcd3`
CRC32	`D943A688`
ssdeep	`6144:lkFJLgGhn1Tah268Dh/J/8/RlTGomc4Tm/dK4RAujYqiSBH3+Ble0eb4lpWPoy:Adah2zh/sqhc4Kd5fRiSBXaeJ8Ww`
Yara	PE_Header_Zero - PE File Signature Generic_Malware_Zero - Generic Malware IsPE32 - (no description) Is_DotNET_EXE - (no description) Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult

osamazx.exe "C:\Users\test22\AppData\Local\Temp\osamazx.exe"
1608
- osamazx.exe "C:\Users\test22\AppData\Local\Temp\osamazx.exe"
  2792

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW Sept. 8, 2021, 9:42 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Sept. 8, 2021, 9:43 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Sept. 8, 2021, 9:43 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW Sept. 8, 2021, 9:43 a.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 8, 2021, 9:42 a.m.			0	0
IsDebuggerPresent Sept. 8, 2021, 9:42 a.m.			0	0
IsDebuggerPresent Sept. 8, 2021, 9:42 a.m.			0	0
IsDebuggerPresent Sept. 8, 2021, 9:42 a.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey Sept. 8, 2021, 9:42 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00545b88 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Sept. 8, 2021, 9:42 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00544fc8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Sept. 8, 2021, 9:42 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00544fc8 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 Sept. 8, 2021, 9:42 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Sept. 8, 2021, 9:43 a.m.	stacktrace: 0x6d1798 0x6d0fbb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72b02652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x72b1264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72b12e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x72bc74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72bc7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x72c51dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x72c51e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x72c51f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x72c5416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7405f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74d37f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74d34de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77b19ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77b19ea5 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: 0x6d1c0b registers.esp: 3666736 registers.edi: 3666760 registers.eax: 0 registers.ebp: 3666772 registers.edx: 195 registers.ebx: 3667020 registers.esi: 37413748 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Sept. 8, 2021, 9:43 a.m.

stacktrace:

0x6d1798
0x6d0fbb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72b02652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x72b1264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72b12e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x72bc74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72bc7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x72c51dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x72c51e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x72c51f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x72c5416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7405f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74d37f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74d34de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77b19ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77b19ea5

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: 0x6d1c0b
registers.esp: 3666736
registers.edi: 3666760
registers.eax: 0
registers.ebp: 3666772
registers.edx: 195
registers.ebx: 3667020
registers.esi: 37413748
registers.ecx: 0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Allocates read-write-execute memory (usually to unpack itself) (50 out of 73 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 1900544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00600000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00790000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x731a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x731a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 2162688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01eb0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02080000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00432000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00465000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0046b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00467000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fb0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0043a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0045a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00457000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00456000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 12288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fb1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x70692000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 65536 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 Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 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 Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fb4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fb5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fb6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fb7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fb8000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fb9000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fbb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fbc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fbd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fbe000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fbf000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x050e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 1608 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x050e1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 region_size: 983040 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005e0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72b01000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72b02000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 region_size: 1376256 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02040000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02150000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00472000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004a5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 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 Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 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

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

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Sept. 8, 2021, 9:42 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (10 events)

description	Communications smtp	rule	Network_SMTP_dotNet
description	Run a KeyLogger	rule	KeyLogger
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 region_size: 245760 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: 0x00000284	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation Sept. 8, 2021, 9:43 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

osamazx.exe tried to sleep 10912888 seconds, actually delayed analysis time by 10912888 seconds

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELaàXnw @ À@wOH H.texttW X `.rsrcHZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2792 process_handle: 0x00000284	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: 8Ph ´Xê´4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoð000004b0,FileDescription 0FileVersion0.0.0.0p(InternalNamebHqkrgmNjYSumUpCGyduwtELtSbxnPsMPMh.exe(LegalCopyright x(OriginalFilenamebHqkrgmNjYSumUpCGyduwtELtSbxnPsMPMh.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 2792 process_handle: 0x00000284	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: pp7 base_address: 0x0043a000 process_identifier: 2792 process_handle: 0x00000284	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2792 process_handle: 0x00000284	1	1

Code injection by writing an executable or DLL to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELaàXnw @ À@wOH H.texttW X `.rsrcHZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2792 process_handle: 0x00000284	1	1	0

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 1608 called NtSetContextThread to modify thread in remote process 2792
NtSetContextThread Sept. 8, 2021, 9:42 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421486 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000280 process_identifier: 2792	1	0	0

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1608 resumed a thread in remote process 2792
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000280 suspend_count: 1 process_identifier: 2792	1	0	0

File has been identified by 20 AntiVirus engines on VirusTotal as malicious (20 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.4d94d8bf0fca8671
Cyren	W32/MSIL_Kryptik.FLH.gen!Eldorado
Symantec	Scr.Malcode!gdn30
ESET-NOD32	a variant of MSIL/GenKryptik.FKDA
APEX	Malicious
Paloalto	generic.ml
Kaspersky	VHO:Backdoor.MSIL.NanoBot.gen
Avast	Win32:CrypterX-gen [Trj]
Tencent	Win32.Trojan.Inject.Auto
McAfee-GW-Edition	BehavesLike.Win32.Generic.jh
SentinelOne	Static AI - Malicious PE
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
Cynet	Malicious (score: 100)
McAfee	AgentTesla-FDCV!4D94D8BF0FCA
Malwarebytes	Malware.AI.4845824
Fortinet	MSIL/GenKryptik.FJTZ!tr
AVG	Win32:CrypterX-gen [Trj]
CrowdStrike	win/malicious_confidence_80% (W)
MaxSecure	Trojan.Malware.300983.susgen

Executed a process and injected code into it, probably while unpacking (24 events)

Time & API	Arguments	Status	Return
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 1608	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 1608	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000190 suspend_count: 1 process_identifier: 1608	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000278 suspend_count: 1 process_identifier: 1608	1	0
CreateProcessInternalW Sept. 8, 2021, 9:42 a.m.	thread_identifier: 1088 thread_handle: 0x00000280 process_identifier: 2792 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\osamazx.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\osamazx.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000284	1	1
NtGetContextThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000280	1	0
NtAllocateVirtualMemory Sept. 8, 2021, 9:42 a.m.	process_identifier: 2792 region_size: 245760 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: 0x00000284	1	0
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELaàXnw @ À@wOH H.texttW X `.rsrcHZ@@.reloc `@B base_address: 0x00400000 process_identifier: 2792 process_handle: 0x00000284	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: base_address: 0x00402000 process_identifier: 2792 process_handle: 0x00000284	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: 8Ph ´Xê´4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoð000004b0,FileDescription 0FileVersion0.0.0.0p(InternalNamebHqkrgmNjYSumUpCGyduwtELtSbxnPsMPMh.exe(LegalCopyright x(OriginalFilenamebHqkrgmNjYSumUpCGyduwtELtSbxnPsMPMh.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 2792 process_handle: 0x00000284	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: pp7 base_address: 0x0043a000 process_identifier: 2792 process_handle: 0x00000284	1	1
WriteProcessMemory Sept. 8, 2021, 9:42 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2792 process_handle: 0x00000284	1	1
NtSetContextThread Sept. 8, 2021, 9:42 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421486 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000280 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000280 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000310 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:42 a.m.	thread_handle: 0x00000330 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:43 a.m.	thread_handle: 0x00000398 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:43 a.m.	thread_handle: 0x00000414 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:43 a.m.	thread_handle: 0x00000354 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:43 a.m.	thread_handle: 0x00000408 suspend_count: 1 process_identifier: 2792	1	0
NtResumeThread Sept. 8, 2021, 9:44 a.m.	thread_handle: 0x00000408 suspend_count: 1 process_identifier: 2792	1	0

osamazx.exe

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