Behavioral task
behavioral1
Sample
Lockbit-Ransomware-Builder-main (1).zip
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Lockbit-Ransomware-Builder-main (1).zip
Resource
win10v2004-20241007-en
General
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Target
Lockbit-Ransomware-Builder-main (1).zip
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Size
283KB
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MD5
0f4c1f0cbe1e3ad1b4fdb0f8de101938
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SHA1
c7edeff3353e58c4133fb456d17ac6593c1882c4
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SHA256
7f899996d4bc193a1739b8f9ca51a7f46a7d41007f472df5622208e2db62b232
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SHA512
98793bae94bfb3baff6f3f76d2c9251eee64d5ec305f3b2384b2bf5157872a1cb83809fa4a5fdb40ed4bd14761936ce43a6c3575e17a2c91b6df7319db06ecbc
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SSDEEP
6144:eW+LYvU1+OsOtX2lUFW+LYvU1+OsOtX2lUpW+LYvU1+OsOtX2lUK:WeItX2l2eItX2lUeItX2l9
Malware Config
Signatures
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Lockbit family
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Rule to detect Lockbit 3.0 ransomware Windows payload 3 IoCs
resource yara_rule static1/unpack001/Lockbit-Ransomware-Builder-main/Builder.exe family_lockbit static1/unpack001/Lockbit-Ransomware-Builder-main/Decrypter.exe family_lockbit static1/unpack001/Lockbit-Ransomware-Builder-main/KeyGen.exe family_lockbit -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/Lockbit-Ransomware-Builder-main/Builder.exe unpack001/Lockbit-Ransomware-Builder-main/Decrypter.exe unpack001/Lockbit-Ransomware-Builder-main/KeyGen.exe
Files
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Lockbit-Ransomware-Builder-main (1).zip.zip
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Lockbit-Ransomware-Builder-main/Builder.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: 2KB - Virtual size: 2KB
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
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Lockbit-Ransomware-Builder-main/Decrypter.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: 2KB - Virtual size: 2KB
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
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Lockbit-Ransomware-Builder-main/KeyGen.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: 2KB - Virtual size: 2KB
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
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Lockbit-Ransomware-Builder-main/README.md.vbs
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Lockbit-Ransomware-Builder-main/config.json.txt