Static task
static1
Behavioral task
behavioral1
Sample
2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker
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Size
4.5MB
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MD5
dbc8e1544f25efe02086c0dcdde6a310
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SHA1
2b065923db3f628d416d7eb852ad62f02a0aa0ae
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SHA256
dbb015a7989a8841c487c5c68a62edbea08988ea7551b139c5b8bc4ab097f1ed
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SHA512
aa7e7c987fc41bb4e0a92274be90a30f4226745f82b3f9ca2c7d9ac8ab5b7d4a038b0dd6d290bc71b375807be26f834bb40eae118b831ad4f78033b3b6f16fa3
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SSDEEP
98304:g/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTo:g/ZFIjBzF/ZFIjBzPEUuso
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker
Files
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2024-04-16_dbc8e1544f25efe02086c0dcdde6a310_cryptolocker.exe windows:5 windows x86 arch:x86
021d5e7849e90fdf4c65d3045c109483
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
UpdateWindow
LoadCursorA
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
SetWindowPos
kernel32
GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.ropf Size: 512B - Virtual size: 101B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ