Behavioral task
behavioral1
Sample
91qsdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
91qsdf.exe
Resource
win10v2004-20241007-en
General
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Target
91qsdf.exe
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Size
147KB
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MD5
3c2c0b97e9295c60267c533010ad9253
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SHA1
270ddd75d7880a91c0a0cafaffed4f2757f54770
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SHA256
984d394fb9324130b52cc05e04db17fd6e1743652e3500e8fbc0b28cc06f125c
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SHA512
c6fed2954e05a33d5ef99610b937450043fc61fa0537f9da982e2c0dcac1ee26f734609ed207b12ad8dda31d191af2072c76b9f19ffbaa4a56b09b47a5955914
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SSDEEP
3072:GqJogYkcSNm9V7DQ4loXzHg0cSlm7FzT:Gq2kc4m9tDQ4aX00cWm7F
Malware Config
Signatures
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Lockbit family
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Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
resource yara_rule sample family_lockbit -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 91qsdf.exe
Files
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91qsdf.exe.exe windows:5 windows x86 arch:x86
914685b69f2ac2ff61b6b0f1883a054d
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
SetPixel
GetPixel
SelectPalette
SelectObject
GetTextColor
BitBlt
GetDeviceCaps
CreateSolidBrush
CreateFontW
CreateDIBitmap
user32
LoadMenuW
LoadImageW
CreateDialogParamW
CreateWindowExW
DefWindowProcW
GetDlgItem
IsDlgButtonChecked
kernel32
GetLastError
GetProcAddress
GetModuleHandleA
GetLocaleInfoW
FreeLibrary
GetFileAttributesW
GetCommandLineW
GetCommandLineA
Sections
.text Size: 95KB - Virtual size: 95KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.itext Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 40KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ