Static task
static1
Behavioral task
behavioral1
Sample
2024-01-25_77bc45684282cffe7b3ca5d3dafa0d25_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-25_77bc45684282cffe7b3ca5d3dafa0d25_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_77bc45684282cffe7b3ca5d3dafa0d25_cryptolocker
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Size
50KB
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MD5
77bc45684282cffe7b3ca5d3dafa0d25
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SHA1
74fa5b171721525aaf6f50bfd3f04985ca57dfe7
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SHA256
23d396a0830833ea96d86a8cc729cf26888c6a24390baaa0b234d96ae9177340
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SHA512
2c836c4c5b9bc1d325d6e9ec504b4c8089ce6ef4f7804f47a989160af7b5268033adabaa0f450224abf2dcbb7f15693986806713d5c19a74d30a6703605f6bc9
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0Fmy7dm:vj+jsMQMOtEvwDpj5HczerLO04y7dm
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-25_77bc45684282cffe7b3ca5d3dafa0d25_cryptolocker
Files
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2024-01-25_77bc45684282cffe7b3ca5d3dafa0d25_cryptolocker.exe windows:5 windows x86 arch:x86
5c55d83b58dbc1f7154223c32a893074
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
UpdateWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCPInfo
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
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: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ