Static task
static1
Behavioral task
behavioral1
Sample
2024-02-17_343bac2a83a742c8cbd61b95a6eb93c9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_343bac2a83a742c8cbd61b95a6eb93c9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-17_343bac2a83a742c8cbd61b95a6eb93c9_cryptolocker
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Size
85KB
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MD5
343bac2a83a742c8cbd61b95a6eb93c9
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SHA1
66296c6feeac21f905455580f732cb7c1b859930
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SHA256
dd5249edaf418671e00f39890aa581b8154c6e5bdd153920a07c1a7a3bbaef3a
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SHA512
0a43d945966edb2c8a317405dae35dc7ef0cd5cf30db278b55ee9a3e42287693ecfe2f6686270eb45413d6fe93d63a74b9d2482ceaa2a8b8b41190cb7b2860bb
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvx5/X:i5nkFGMOtEvwDpjNbwQEI8UtzNcO83
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-17_343bac2a83a742c8cbd61b95a6eb93c9_cryptolocker
Files
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2024-02-17_343bac2a83a742c8cbd61b95a6eb93c9_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE