Static task
static1
Behavioral task
behavioral1
Sample
2024-05-09_8e4bc084fa751f1f529d6640a9faf8b5_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-09_8e4bc084fa751f1f529d6640a9faf8b5_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-09_8e4bc084fa751f1f529d6640a9faf8b5_cryptolocker
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Size
42KB
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MD5
8e4bc084fa751f1f529d6640a9faf8b5
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SHA1
d221faf3ef716f4833d53cce37b690de99f0f80b
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SHA256
87c2ee947c0fdd356d4b1bb7dbee1434827d9c0901b952fd9b71778fb6eb3cf3
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SHA512
ea90deb85457dd4ccc55dacdb2d3de81c4bd6f15dc90f174d730c2a2a796b7ce4db65493d4e8b2eeac7e7395144d0bfd60307db0c4e1fa6dcdd7dec0fe9566c0
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5js:m5nkFNMOtEvwDpjG8hhXj5g
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 2024-05-09_8e4bc084fa751f1f529d6640a9faf8b5_cryptolocker
Files
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2024-05-09_8e4bc084fa751f1f529d6640a9faf8b5_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