Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_ef56e3bd0ac94bcc3fbc58c1a83c6c77_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_ef56e3bd0ac94bcc3fbc58c1a83c6c77_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_ef56e3bd0ac94bcc3fbc58c1a83c6c77_cryptolocker
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Size
48KB
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MD5
ef56e3bd0ac94bcc3fbc58c1a83c6c77
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SHA1
01db6f9cbf9007b2341ff28fc163d9dc4ca0bfd4
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SHA256
a9ea20636d7610f52096ab98c024ef95506b0be95d4dc8e99ac2fb296558e509
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SHA512
0be29667e176ec411225b8425ed33a3611f9411d3d7eed0c56b8bead3ff59b17eec95fea14bde37db192cd036c8f4e85c4cbb6a2a01b1b31a28c48cefd46bec7
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIKL:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7Z
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 2024-01-28_ef56e3bd0ac94bcc3fbc58c1a83c6c77_cryptolocker
Files
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2024-01-28_ef56e3bd0ac94bcc3fbc58c1a83c6c77_cryptolocker.exe windows:5 windows x86 arch:x86
db206e36db5c9492ce02c61a679129e2
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
BeginPaint
DispatchMessageA
DrawTextA
EndPaint
TranslateMessage
GetMessageA
PostQuitMessage
ShowWindow
UpdateWindow
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
LoadIconA
DestroyWindow
LoadCursorA
GetClientRect
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
DeleteFileA
CloseHandle
CreateFileA
gdi32
DeleteObject
CreateFontIndirectA
Sections
.text Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - 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