Behavioral task
behavioral1
Sample
2024-04-15_8aa4adbe995293359e31f19de4a47717_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_8aa4adbe995293359e31f19de4a47717_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-15_8aa4adbe995293359e31f19de4a47717_cryptolocker
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Size
99KB
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MD5
8aa4adbe995293359e31f19de4a47717
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SHA1
4deaada0bf91f7d1b43924ad92b6d0774704c493
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SHA256
42d642e7c4261eeb3062b7e3505b6ac3162ed6a1536fd1e9b76235ae0f374d12
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SHA512
5fbda0db4760ec2d39db9c12147e002868b18f7dafaa85893d14ba66b427bd2cb444a0bc8e8a9af937b833d28307a1df25a825a0eaec3210960527197f9ae507
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiX7w:z6a+CdOOtEvwDpjcY
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-04-15_8aa4adbe995293359e31f19de4a47717_cryptolocker
Files
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2024-04-15_8aa4adbe995293359e31f19de4a47717_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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