Static task
static1
Behavioral task
behavioral1
Sample
2024-02-25_f67a3233f805bc3a02be2d722f157037_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-25_f67a3233f805bc3a02be2d722f157037_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_f67a3233f805bc3a02be2d722f157037_cryptolocker
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Size
57KB
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MD5
f67a3233f805bc3a02be2d722f157037
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SHA1
a2090697a65100c0929999fb0dc37660bb4c9575
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SHA256
3ede1b3f6ef913b1273c5439db4262b8c64f48b41314a9854d253603982e54df
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SHA512
d0db3f272d2f006e4db3bd53666661756ffe5372570fa750e86f4e9bc92d3e0b66d1c266d2bfb31bf163332bea4ac614ee621d650b83ac68ef684d799e48e3f9
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/iVTab3GRuv3VylsPxAb4:79mqyNhQMOtEvwDpjBPY7xv3gy5L
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 2024-02-25_f67a3233f805bc3a02be2d722f157037_cryptolocker
Files
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2024-02-25_f67a3233f805bc3a02be2d722f157037_cryptolocker.exe windows:5 windows x86 arch:x86
7ba3aa8366ce167c7a77ebd6e6fea8e5
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.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: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rlwEs Size: 1KB - Virtual size: 1KB
IMAGE_SCN_MEM_READ
.wdbm Size: 1024B - Virtual size: 1024B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.epwjdwx Size: 1024B - Virtual size: 1024B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.RisVgtS Size: 3KB - Virtual size: 2KB
IMAGE_SCN_MEM_READ
.zKnY Size: 1024B - Virtual size: 753B
IMAGE_SCN_MEM_READ