Behavioral task
behavioral1
Sample
2024-05-12_a2f1861a819a9979d39a9451cb979bfa_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-12_a2f1861a819a9979d39a9451cb979bfa_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-12_a2f1861a819a9979d39a9451cb979bfa_cryptolocker
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Size
52KB
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MD5
a2f1861a819a9979d39a9451cb979bfa
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SHA1
2e50b1ab3c5a650a6284e4efd9fe291f6a1079e5
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SHA256
6d52e76a5072fd4aa68b6dfd5a37666da38b71037e334aa84618050bc0b86501
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SHA512
f667d87c1bec369bc7ba18a1cfbf3a3187637f5de7454f564829e623c835f67d475821e0a768e603deeb7bc128c8d9dcb5bffeb498b6c706bac4fb90484b0e23
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO1k: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 2024-05-12_a2f1861a819a9979d39a9451cb979bfa_cryptolocker
Files
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2024-05-12_a2f1861a819a9979d39a9451cb979bfa_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