Behavioral task
behavioral1
Sample
2024-04-24_b5e092421d1d5e67bc21624a5a8c0a6c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-24_b5e092421d1d5e67bc21624a5a8c0a6c_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_b5e092421d1d5e67bc21624a5a8c0a6c_cryptolocker
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Size
50KB
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MD5
b5e092421d1d5e67bc21624a5a8c0a6c
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SHA1
a4b0c95d0bb98a65479245f42ac414904a309826
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SHA256
49d7065c346cfe1d354361772d18e271857d09dd0157bda90f286c8b177e538d
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SHA512
36cc2a1c0123449a0badeb7e031c12bc5706e831acf505d2af7d6f822a15b317313672cc4fc5bc55e86062309da72f1c4ddde25c936005a38b691060b51774c4
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtl:bODOw9acifAoc+vl
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 2024-04-24_b5e092421d1d5e67bc21624a5a8c0a6c_cryptolocker
Files
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2024-04-24_b5e092421d1d5e67bc21624a5a8c0a6c_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