Static task
static1
Behavioral task
behavioral1
Sample
2024-03-16_b64ca09036fcfe87fbe75b7d12e22906_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-16_b64ca09036fcfe87fbe75b7d12e22906_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-16_b64ca09036fcfe87fbe75b7d12e22906_cryptolocker
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Size
41KB
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MD5
b64ca09036fcfe87fbe75b7d12e22906
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SHA1
d752f4a303ff9fcc8b6629cab02068417afc0fac
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SHA256
83f0cf1fdade07fd953251deab21573b21fa0a845c64d3e6c4ca2d61bf45317e
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SHA512
d4315d13bf57174d632d893a2fbd3404d50fd35647f108abe8ea3ca8afb449fdf7c1fbf7985bb4148b48d4a7a159c8bf8a65a4fc3fa141f2d032e5fb577b0724
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRQ7:m5nkFNMOtEvwDpjG8hhX67
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 2024-03-16_b64ca09036fcfe87fbe75b7d12e22906_cryptolocker
Files
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2024-03-16_b64ca09036fcfe87fbe75b7d12e22906_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