Behavioral task
behavioral1
Sample
2024-05-09_99042fcdbc87bb5bf34a356e1f334ad6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_99042fcdbc87bb5bf34a356e1f334ad6_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-09_99042fcdbc87bb5bf34a356e1f334ad6_cryptolocker
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Size
52KB
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MD5
99042fcdbc87bb5bf34a356e1f334ad6
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SHA1
14f552b8521a294650d29eea8a8db88414c5f80b
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SHA256
3a5405fc6cb0be93a0423df3c81cb5ca581d4e6a797f581ddb287aa09b3141ca
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SHA512
71efde42081e530e858301eda8d885fc70079168e892d76b92a7ed164d8c8b91ebd90a5688c7defd1fcaef18e43c9f225e5788b2e01d7a3bb44cea6003c4eeeb
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXH:bODOw9acifAoc+v8H
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 2024-05-09_99042fcdbc87bb5bf34a356e1f334ad6_cryptolocker
Files
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2024-05-09_99042fcdbc87bb5bf34a356e1f334ad6_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