Static task
static1
Behavioral task
behavioral1
Sample
2024-03-11_4cb103db7bf5c8ceb1f6da9d71a3ccf3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-11_4cb103db7bf5c8ceb1f6da9d71a3ccf3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_4cb103db7bf5c8ceb1f6da9d71a3ccf3_cryptolocker
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Size
41KB
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MD5
4cb103db7bf5c8ceb1f6da9d71a3ccf3
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SHA1
4d3fd68ea465e382cddd62cc00e4d3aeaba11751
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SHA256
b4292530097910493491199055cdcf674961b170d26680c6c19d0ab3bfdb4470
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SHA512
44138aa6e84f7e031b38856702e1a1d39d41efe96f18017f45d43535d045efebd0e39cf5af0f2b1c63218bab7bc67f2e6041e60b536b7fd244c05e6b3fcecb71
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRBSn:m5nkFNMOtEvwDpjG8hhXbo
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 2024-03-11_4cb103db7bf5c8ceb1f6da9d71a3ccf3_cryptolocker
Files
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2024-03-11_4cb103db7bf5c8ceb1f6da9d71a3ccf3_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE