Behavioral task
behavioral1
Sample
Document.doc.scr
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
Document.doc.scr
Resource
win10v2004-20240226-en
General
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Target
Document.zip
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Size
102KB
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MD5
b93f78a3953216d9d7b2641052ee2fbd
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SHA1
d1669609fb605781218a19dd76630cd8eb3ee3f1
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SHA256
0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650
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SHA512
c8327a691e6dd32fc7c508e2f417fb5247bb556cd9132b5fd97da2335a8021b2077b8a24a74d618b308c9f141e6970faf968b9d320b38e7477621661b7abc5b8
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SSDEEP
3072:Oe2faB+tjQs7HwYeFsbsTlwaZqid911YO4ESlbK:Oe2fgcwsGlh4inrYO4K
Malware Config
Signatures
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Lockbit family
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Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
Processes:
resource yara_rule static1/unpack001/Document.doc.scr family_lockbit -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/Document.doc.scr
Files
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Document.zip.zip
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Document.doc.scr.exe windows:5 windows x86 arch:x86
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: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 48KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ