Static task
static1
Behavioral task
behavioral1
Sample
2024-04-20_b8b2a5045bfc89058ed3b97252f45a9a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_b8b2a5045bfc89058ed3b97252f45a9a_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_b8b2a5045bfc89058ed3b97252f45a9a_cryptolocker
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Size
83KB
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MD5
b8b2a5045bfc89058ed3b97252f45a9a
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SHA1
8a593d638c68eb13157af03970657eec99442132
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SHA256
d1381d42009c3fe84d25677fe102f29de5b0a5cc9bd9f3ea4882c243472d9779
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SHA512
84f212ef3ada0e0c8679d7a229330c7dfa66a4eab7e9d836c324179fb92a342e6539574fbcd943c51d2ce24285a8c3a0b8089ffaec3df9153c80e71484394ecd
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBA:vCjsIOtEvwDpj5H9YvQd2o
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 2024-04-20_b8b2a5045bfc89058ed3b97252f45a9a_cryptolocker
Files
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2024-04-20_b8b2a5045bfc89058ed3b97252f45a9a_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