Static task
static1
Behavioral task
behavioral1
Sample
2024-03-12_728f3f12832e0e36ff8480b860fe9ec4_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-12_728f3f12832e0e36ff8480b860fe9ec4_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-12_728f3f12832e0e36ff8480b860fe9ec4_cryptolocker
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Size
86KB
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MD5
728f3f12832e0e36ff8480b860fe9ec4
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SHA1
5af3a490d5e8abfc96a1555900dd93c6bfbcb0f4
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SHA256
474de1de002f6ff2b3ec73aacb6341122c66a5b1e358ac942baf0878180d98ae
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SHA512
73d686c37f5a24b77a7397cb98508f18a38116e3a84f5d15f94ec210ebab45090b297083a0f7580bf245d2d61dbe69cbaa904eba12d764b5a2912fdb3dc9bf52
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvzkxraO:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8zQ
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 2024-03-12_728f3f12832e0e36ff8480b860fe9ec4_cryptolocker
Files
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2024-03-12_728f3f12832e0e36ff8480b860fe9ec4_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