Behavioral task
behavioral1
Sample
2024-04-09_0ac90893d4ff2edf787adb7733b0b9c1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_0ac90893d4ff2edf787adb7733b0b9c1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-04-09_0ac90893d4ff2edf787adb7733b0b9c1_cryptolocker
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Size
21KB
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MD5
0ac90893d4ff2edf787adb7733b0b9c1
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SHA1
a0f1ed6a3ac8b159f0d1cf53213ef1050df9dcb3
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SHA256
5e4427f1766a4c63591a525209b96d2b90f35eb89ae0219294e80abb5eaebdfb
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SHA512
07d8dc607591b07254733b149843ae8fc3f1d9d536528c8617a3d8743ad7fbe78a9b738504f26bebd66aef475a44556e463b10c8b7f574bd559d7d795b4a99a0
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp8:bVCPwFRo6CpwXFXSqQXfju
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 2024-04-09_0ac90893d4ff2edf787adb7733b0b9c1_cryptolocker unpack001/out.upx
Files
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2024-04-09_0ac90893d4ff2edf787adb7733b0b9c1_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