Static task
static1
Behavioral task
behavioral1
Sample
2024-04-20_7c81585eda13b2805a2c87c862f76300_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-20_7c81585eda13b2805a2c87c862f76300_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_7c81585eda13b2805a2c87c862f76300_cryptolocker
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Size
87KB
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MD5
7c81585eda13b2805a2c87c862f76300
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SHA1
ff49cd8c04bbf808085016b5db7ad6b89b91419f
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SHA256
4c7572abb2206fd6c70e7979457a806d2df6b66fd145478ec580fdb74b5d9537
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SHA512
5eca130eed8d309035c46d33816d27470f702282cee889a0d1579080d689916d5d401f4d2733510563fe455304f78e9dc47397b073d2b36d9dceb4bf28bc0ba9
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxpRn:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8p
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 2024-04-20_7c81585eda13b2805a2c87c862f76300_cryptolocker
Files
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2024-04-20_7c81585eda13b2805a2c87c862f76300_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