Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	May 26, 2023, 5:45 p.m.	May 26, 2023, 5:50 p.m.

Size	725.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`6f5596133ba51b66fa2467610e1084d8`
SHA256	`4708bada9bbf77daade9a3f124eb0f5309ea68bba94c5bb4b332701d1d010185`
CRC32	`783D52BD`
ssdeep	`12288:27z5GoJiGaq5auuyT/5fxHEfNhiUjn0/9Bxz/WH8krbT4jgiFie93EzJ:w5GoR5a/YWxjAZWH3PTmgyg`
PDB Path	eYCR.pdb
Yara	Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature IsPE32 - (no description)

grammyzx.exe "C:\Users\test22\AppData\Local\Temp\grammyzx.exe"
2548
- grammyzx.exe "C:\Users\test22\AppData\Local\Temp\grammyzx.exe"
  2940

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 May 26, 2023, 5:46 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 26, 2023, 5:46 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 26, 2023, 5:46 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 26, 2023, 5:46 p.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 May 26, 2023, 5:45 p.m.			0	0
IsDebuggerPresent May 26, 2023, 5:45 p.m.			0	0
IsDebuggerPresent May 26, 2023, 5:46 p.m.			0	0
IsDebuggerPresent May 26, 2023, 5:46 p.m.			0	0

This executable has a PDB path (1 event)

pdb_path

eYCR.pdb

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 May 26, 2023, 5:45 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ May 26, 2023, 5:46 p.m.	stacktrace: 0x761790 0x760fbb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x727a2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x727b264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x727b2e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x728674ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72867610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x728f1dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x728f1e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x728f1f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x728f416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7415f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x741d7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x741d4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 93 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x761c03 registers.esp: 3666800 registers.edi: 3666824 registers.eax: 0 registers.ebp: 3666836 registers.edx: 195 registers.ebx: 3667092 registers.esi: 39094672 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

May 26, 2023, 5:46 p.m.

stacktrace:

0x761790
0x760fbb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x727a2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x727b264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x727b2e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x728674ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72867610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x728f1dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x728f1e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x728f1f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x728f416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7415f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x741d7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x741d4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 93 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x761c03
registers.esp: 3666800
registers.edi: 3666824
registers.eax: 0
registers.ebp: 3666836
registers.edx: 195
registers.ebx: 3667092
registers.esi: 39094672
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 77 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 1835008 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00950000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ad0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 983040 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004f0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00392000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003cb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00530000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0039a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00531000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x732e2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:45 p.m.	process_identifier: 2548 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 May 26, 2023, 5:45 p.m.	process_identifier: 2548 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 May 26, 2023, 5:45 p.m.	process_identifier: 2548 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 May 26, 2023, 5:45 p.m.	process_identifier: 2548 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 May 26, 2023, 5:45 p.m.	process_identifier: 2548 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 May 26, 2023, 5:45 p.m.	process_identifier: 2548 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 May 26, 2023, 5:45 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00532000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00533000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ad000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ae000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00534000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00535000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003af000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0542f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05420000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00537000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00539000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x061c0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x061c1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x061c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2940 region_size: 2293760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00930000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2940 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2940 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2940 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2940 region_size: 524288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2940 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

The binary likely contains encrypted or compressed data indicative of a packer (3 events)

section

{u'size_of_data': u'0x000b3000', u'virtual_address': u'0x00002000', u'entropy': 7.782747973897011, u'name': u'.text', u'virtual_size': u'0x000b2e50'}

entropy

7.7827479739

description

A section with a high entropy has been found

section

{u'size_of_data': u'0x00002200', u'virtual_address': u'0x000b6000', u'entropy': 7.2318947291181, u'name': u'.rsrc', u'virtual_size': u'0x00002034'}

entropy

7.23189472912

description

A section with a high entropy has been found

entropy

0.999310344828

description

Overall entropy of this PE file is high

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

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW May 26, 2023, 5:46 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (11 events)

description	Communications smtp	rule	Network_SMTP_dotNet
description	PWS Memory	rule	Generic_PWS_Memory_Zero
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
description	Run a KeyLogger	rule	KeyLogger

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2940 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: 0x000002a0	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation May 26, 2023, 5:46 p.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

grammyzx.exe tried to sleep 10912885 seconds, actually delayed analysis time by 10912885 seconds

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

Time & API	Arguments	Status	Return
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL'\|æaàXNw @ À@ôvW H.textTW X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2940 process_handle: 0x000002a0	1	1
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: 8Ph 0ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ìStringFileInfoÈ000004b0,FileDescription 0FileVersion0.0.0.0\InternalNamejMwFIuasQmBRssQfxHWfZPad.exe(LegalCopyright dOriginalFilenamejMwFIuasQmBRssQfxHWfZPad.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: 2940 process_handle: 0x000002a0	1	1
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: pP7 base_address: 0x0043a000 process_identifier: 2940 process_handle: 0x000002a0	1	1
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2940 process_handle: 0x000002a0	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 May 26, 2023, 5:46 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL'\|æaàXNw @ À@ôvW H.textTW X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2940 process_handle: 0x000002a0	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 2548 called NtSetContextThread to modify thread in remote process 2940
NtSetContextThread May 26, 2023, 5:46 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421454 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000029c process_identifier: 2940	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 2548 resumed a thread in remote process 2940
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x0000029c suspend_count: 1 process_identifier: 2940	1	0	0

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

Sangfor	Trojan.Win32.Agent.Vxp2
VirIT	Trojan.Win32.MSIL_Heur.A
Symantec	Scr.Malcode!gdn34
Elastic	malicious (high confidence)
Cynet	Malicious (score: 100)
APEX	Malicious
Kaspersky	UDS:DangerousObject.Multi.Generic
Avast	Win32:PWSX-gen [Trj]
McAfee-GW-Edition	BehavesLike.Win32.Generic.bc
Microsoft	Trojan:Win32/Woreflint.A!cl
ZoneAlarm	UDS:DangerousObject.Multi.Generic
McAfee	Artemis!6F5596133BA5
Cylance	unsafe
SentinelOne	Static AI - Suspicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/GenericKD.66824822!tr
BitDefenderTheta	Gen:NN.ZemsilF.36196.Tm0@aSryXxk
AVG	Win32:PWSX-gen [Trj]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (W)

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

Time & API	Arguments	Status	Return
NtResumeThread May 26, 2023, 5:45 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2548	1	0
NtResumeThread May 26, 2023, 5:45 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2548	1	0
NtResumeThread May 26, 2023, 5:45 p.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 2548	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x00000294 suspend_count: 1 process_identifier: 2548	1	0
CreateProcessInternalW May 26, 2023, 5:46 p.m.	thread_identifier: 2944 thread_handle: 0x0000029c process_identifier: 2940 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\grammyzx.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\grammyzx.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000002a0	1	1
NtGetContextThread May 26, 2023, 5:46 p.m.	thread_handle: 0x0000029c	1	0
NtAllocateVirtualMemory May 26, 2023, 5:46 p.m.	process_identifier: 2940 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: 0x000002a0	1	0
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL'\|æaàXNw @ À@ôvW H.textTW X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 2940 process_handle: 0x000002a0	1	1
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: base_address: 0x00402000 process_identifier: 2940 process_handle: 0x000002a0	1	1
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: 8Ph 0ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ìStringFileInfoÈ000004b0,FileDescription 0FileVersion0.0.0.0\InternalNamejMwFIuasQmBRssQfxHWfZPad.exe(LegalCopyright dOriginalFilenamejMwFIuasQmBRssQfxHWfZPad.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: 2940 process_handle: 0x000002a0	1	1
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: pP7 base_address: 0x0043a000 process_identifier: 2940 process_handle: 0x000002a0	1	1
WriteProcessMemory May 26, 2023, 5:46 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2940 process_handle: 0x000002a0	1	1
NtSetContextThread May 26, 2023, 5:46 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421454 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000029c process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x0000029c suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x00000310 suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x00000330 suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x00000318 suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:46 p.m.	thread_handle: 0x000003d8 suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:47 p.m.	thread_handle: 0x000003d4 suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:47 p.m.	thread_handle: 0x000003e4 suspend_count: 1 process_identifier: 2940	1	0
NtResumeThread May 26, 2023, 5:47 p.m.	thread_handle: 0x000003e4 suspend_count: 1 process_identifier: 2940	1	0

grammyzx.exe

Process Tree Toggle all

Network Toggle all

Suricata Toggle all

Suricata Alerts

Suricata TLS

Signatures Toggle All