Static task
static1
Behavioral task
behavioral1
Sample
2024-04-05_78b91e39a50626b43b71079a9b1a7235_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_78b91e39a50626b43b71079a9b1a7235_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_78b91e39a50626b43b71079a9b1a7235_cryptolocker
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Size
129KB
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MD5
78b91e39a50626b43b71079a9b1a7235
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SHA1
33474644e4a3b545f4413570d814ac307a2495df
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SHA256
b6e6677b352cea5b20a3dcc433ffb720c00972d94b6a317317b07f03ee958aac
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SHA512
0a11851a39c8d79a34d3101918408b53f6b445ed29f78a9bb3d85313d56e1ba80f3557e8beffe92f473681cfdf1ed35580efc2821c51b4927be8583b2b5bb27b
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SSDEEP
1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwNgpY5:u6a++OtEvwDpj6z3
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 2024-04-05_78b91e39a50626b43b71079a9b1a7235_cryptolocker
Files
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2024-04-05_78b91e39a50626b43b71079a9b1a7235_cryptolocker.exe windows:5 windows x86 arch:x86
a0c275da44db88d1f2fc3943daf6948b
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
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetACP
CreateFileA
gdi32
CreateFontIndirectA
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
Sections
.text Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
gu_idata Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
gu_rsrcs Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ