Behavioral task
behavioral1
Sample
2024-05-30_b52d1d132be56a2a8bd725a9d519517b_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-30_b52d1d132be56a2a8bd725a9d519517b_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-30_b52d1d132be56a2a8bd725a9d519517b_cryptolocker
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Size
50KB
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MD5
b52d1d132be56a2a8bd725a9d519517b
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SHA1
503a88f5a91878ba808252468c6a6bd251285872
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SHA256
8f3d0130bea1c325b902921b10f7ac2ac45482686bb551c5534df5e616e260a4
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SHA512
de4c8406135d658e066511a8ac1128bd2d7f5f51f9be6b06e80ec2252c3d1e706aa6afcc8c22a669dfd982f61171912fd23253200e227375ec532e3d46e9494d
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtX:bODOw9acifAoc+vX
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 2024-05-30_b52d1d132be56a2a8bd725a9d519517b_cryptolocker
Files
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2024-05-30_b52d1d132be56a2a8bd725a9d519517b_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