Behavioral task
behavioral1
Sample
2024-04-23_ca525c7b7e8ac3655924a68a09ff3247_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-23_ca525c7b7e8ac3655924a68a09ff3247_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_ca525c7b7e8ac3655924a68a09ff3247_cryptolocker
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Size
23KB
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MD5
ca525c7b7e8ac3655924a68a09ff3247
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SHA1
09162827c95b0757670bb4a8e77feed6203d76a6
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SHA256
ab52f14ddb30961d3efeb711c10554f5b8731ded0e2b37b12e45bb915656c810
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SHA512
bed4e8df3dbb621130b4906043a622e28345d690a4a78f67e8faec47f9b2813c575c75711358172c71372d756ba6203b3f201534b4fbdd48a68172415d7e61fa
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HnXS:bVCPwFRo6CpwXFXSqQXfjAHC
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-04-23_ca525c7b7e8ac3655924a68a09ff3247_cryptolocker unpack001/out.upx
Files
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2024-04-23_ca525c7b7e8ac3655924a68a09ff3247_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
Sections
UPX0 Size: - 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
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ