Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_a4f83f47aac69be0681436e53c7521a7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_a4f83f47aac69be0681436e53c7521a7_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_a4f83f47aac69be0681436e53c7521a7_cryptolocker
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Size
84KB
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MD5
a4f83f47aac69be0681436e53c7521a7
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SHA1
ca67513a215b6eeac8a4df8ad47a53f95b33fb6b
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SHA256
c2510d4988723aefaf22c7fe50e8c6d3c0be556b02799847d43efbdd46c7c9b1
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SHA512
8d3bb9e6f1033fc41c2703f26571b6c3215dfe129734a7a995aabb12dbf6ee2bc72f9dcdab6d24cd34b9b4c49e1779a449685dcc9a1e2880864cd77da9ca3c84
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvx0:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8O
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 2024-01-28_a4f83f47aac69be0681436e53c7521a7_cryptolocker
Files
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2024-01-28_a4f83f47aac69be0681436e53c7521a7_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