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Behavioral task
behavioral1
Sample
brain.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
brain.exe
Resource
win10v2004-20250217-en
General
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Target
brain.exe.zip
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Size
97KB
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MD5
877b0a047ecbea4042ddf9948b687e6c
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SHA1
2a30222a552d2e2de861a94fc2173eaaa7cf43e6
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SHA256
da2c61b069db32058791304408c57922263cedaaaf28230fe787b63be71d5d5f
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SHA512
68dcd9814178a2cc44410528594a77627899124acac74ab835fda6f4ba830f12fd32b2e5073a1b8616591cd3a62799dd88444385a644682bfe4ff23faaee54c4
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SSDEEP
1536:Ptz6P6mq+dgX2ymOQKFJRX9ij3aOR64eU7TCTMlI3bac8AvxsLcJj4VdbeQx:FJ6dA2bAH9SKOR6lmTPlI5YAJKdeI
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 static1/unpack001/brain.exe.bin family_lockbit -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/brain.exe.bin
Files
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brain.exe.zip.zip
Password: infected
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brain.exe.bin.exe windows:5 windows x86 arch:x86
Password: infected
41fb8cb2943df6de998b35a9d28668e8
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
SetDCBrushColor
SelectPalette
GetTextColor
GetDeviceCaps
CreateSolidBrush
user32
DefWindowProcW
CreateMenu
EndDialog
GetDlgItem
GetKeyNameTextW
GetMessageW
GetWindowTextW
IsDlgButtonChecked
LoadImageW
LoadMenuW
DialogBoxParamW
kernel32
SetLastError
LoadLibraryW
GetTickCount
GetLastError
GetCommandLineW
GetCommandLineA
FreeLibrary
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