Behavioral task
behavioral1
Sample
2024-05-16_3aa118c7d24c7223448df16220fe0c5b_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-16_3aa118c7d24c7223448df16220fe0c5b_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-16_3aa118c7d24c7223448df16220fe0c5b_cryptolocker
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Size
52KB
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MD5
3aa118c7d24c7223448df16220fe0c5b
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SHA1
43bd4d447630ffaca5de6726b2bf097b4b2253a2
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SHA256
5eaa5fc42eda2ac7988340d23e0ef9d394a8500f4c11c2a0271f0a90516029a3
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SHA512
626574e31fc2a4f3f254c005a8e4a1efdbff3c9c7c221f8597e04c022f6a7e444d532db73109cd638baf6b46735add6364a4c9ad8bd0195d9918b4c429b0a6bb
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOh:bODOw9acifAoc+v2
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 2024-05-16_3aa118c7d24c7223448df16220fe0c5b_cryptolocker
Files
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2024-05-16_3aa118c7d24c7223448df16220fe0c5b_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