Static task
static1
Behavioral task
behavioral1
Sample
2024-04-17_cf4cf7cd661e3b799ab400d6e570fde4_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-17_cf4cf7cd661e3b799ab400d6e570fde4_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_cf4cf7cd661e3b799ab400d6e570fde4_cryptolocker
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Size
83KB
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MD5
cf4cf7cd661e3b799ab400d6e570fde4
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SHA1
8ee1b275067ab5df47f85916d8e47905f83c6b79
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SHA256
4ffde2f680a6e8bcb4dfad04fa62dd16716ff578f838f4b3d5be39c2f02e26e6
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SHA512
3a3f36eb7cd2f69ea5380d1118856ea994f29f53584a46d1150d5ac4979f0e1b1b33691552a08de7559297a2f96f10a3b1a71dd9c112271881af881f68360b88
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBJ:vCjsIOtEvwDpj5H9YvQd2B
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 2024-04-17_cf4cf7cd661e3b799ab400d6e570fde4_cryptolocker
Files
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2024-04-17_cf4cf7cd661e3b799ab400d6e570fde4_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