Resubmissions
14-03-2024 19:55
240314-ynfwzsfg23 10Behavioral task
behavioral1
Sample
lockbit_unpacked.exe
Resource
win10-20240221-en
General
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Target
lockbit_unpacked.exe
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Size
162KB
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MD5
a2bc2785420b0c6f685d8692d813fbbc
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SHA1
b118551289c9398a339cd1161b2c101571d4b5fd
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SHA256
1f9944ccc4cb956c4eb81e76d51b3cb048b838f2f746e2017d4492abd5e9ed79
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SHA512
32deb1d43a25b1b184f5ac212099d3004277d609d2784297c96632abe181e8c95f62185ea23ecefe640153c454bbcb33ef879d6c2d543f186160c9765e8bf0f8
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SSDEEP
3072:W5uyulsHwDV1gFnTwn7zwJGJ+at5kCI5Gzei3N2VzRmK:W5uZ1DPgFnk7EJwJI5gDN2VVm
Malware Config
Signatures
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BlackMatter API Hashing IAT pattern was detected 1 IoCs
This rule detects samples from the BlackMatter family unpacked in memory, identifying code reuse of key functions.
resource yara_rule sample BlackMatterAPIHashIAT -
Blackmatter family
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Lockbit family
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Lockbit3.0 API Hashing IAT pattern was detected 1 IoCs
This rule detects samples from the Lockbit3.0 family unpacked in memory, identifying code reuse of key functions.
resource yara_rule sample LockbitAPIHashIAT -
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 lockbit_unpacked.exe
Files
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lockbit_unpacked.exe.exe windows:5 windows x86 arch:x86
a50a0d82b9120fc73965c28fea79e1f9
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
TextOutW
SetTextColor
SetPixel
SelectObject
GetTextMetricsW
user32
EndDialog
GetDlgItem
GetDlgItemTextW
GetKeyNameTextW
GetMessageW
LoadMenuW
DialogBoxParamW
CreateWindowExW
CreateDialogParamW
GetClassNameW
kernel32
GetDateFormatW
LoadLibraryExA
GetTickCount
GetProcAddress
GetModuleHandleW
GetLocaleInfoW
GetCommandLineA
FormatMessageW
GetLastError
Sections
.text Size: 102KB - Virtual size: 104KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.itext Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 40KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 15KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE