Behavioral task
behavioral1
Sample
2024-06-08_638947c6a48ee05b1c2a45265ccce8fb_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-08_638947c6a48ee05b1c2a45265ccce8fb_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-08_638947c6a48ee05b1c2a45265ccce8fb_cryptolocker
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Size
52KB
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MD5
638947c6a48ee05b1c2a45265ccce8fb
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SHA1
44fba1964585c8c502843fd0dec0482da743e408
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SHA256
4eb2fec9afa90fd0e2dcf044f0d0d7b9df8eac6d8b6a48c8e31bf86ff784db4c
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SHA512
e34e4b2d25d531558191bf4407ff0c364b3b1a230d63a469514b369ee26b5271e6a24f98952382c159b1dff2b17f16826171a7689b445eb647c9c41c4a393ba9
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOJ:bODOw9acifAoc+vu
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-08_638947c6a48ee05b1c2a45265ccce8fb_cryptolocker
Files
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2024-06-08_638947c6a48ee05b1c2a45265ccce8fb_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE