Behavioral task
behavioral1
Sample
2024-04-10_ba687c0b029f67afa18f2ac19350dce9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_ba687c0b029f67afa18f2ac19350dce9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-10_ba687c0b029f67afa18f2ac19350dce9_cryptolocker
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Size
21KB
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MD5
ba687c0b029f67afa18f2ac19350dce9
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SHA1
a9f714ede8fdd7f760324dbeeda20e9f0943e438
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SHA256
ed60da319c0feb12e9c2ddda86fddd1182c9e3e9afcaa42c5da4415c8fb9149a
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SHA512
ab82d42fd66891dd72b9c922b2530e3f6a51e4cb830a6e6033d1c6d88f72384369577a86d195e396eb7fd7150ba0e51ae9680da69ed6d1f8f3d97bfeecee2bb9
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6H+:bVCPwFRo6CpwXFXSqQXfjAe
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 2024-04-10_ba687c0b029f67afa18f2ac19350dce9_cryptolocker unpack001/out.upx
Files
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2024-04-10_ba687c0b029f67afa18f2ac19350dce9_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