Behavioral task
behavioral1
Sample
2024-05-11_efd4d200f56a168cf3a4a21e6db7d9c3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-11_efd4d200f56a168cf3a4a21e6db7d9c3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-11_efd4d200f56a168cf3a4a21e6db7d9c3_cryptolocker
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Size
52KB
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MD5
efd4d200f56a168cf3a4a21e6db7d9c3
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SHA1
3246357089de635ad480be2c5524c2fe216b7698
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SHA256
827c2a1a5808a40ff60c32dee346183d6153fd456ea166e8d87339ee611ef9f2
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SHA512
5c66fd426bdb69af34da97fe632f37a0bb0ce9a6904e163c22b1f9da4c8c2bec82492e3b129d8d1cc765f31052725b1e1214d29c715abc1f226de50980b85e7a
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO1o:bODOw9acifAoc+vp
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 2024-05-11_efd4d200f56a168cf3a4a21e6db7d9c3_cryptolocker
Files
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2024-05-11_efd4d200f56a168cf3a4a21e6db7d9c3_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