Behavioral task
behavioral1
Sample
2024-06-11_f37ccca2b8eac9268d7355c66c464438_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-11_f37ccca2b8eac9268d7355c66c464438_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-11_f37ccca2b8eac9268d7355c66c464438_cryptolocker
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Size
25KB
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MD5
f37ccca2b8eac9268d7355c66c464438
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SHA1
3422b28fc0784d172db94e7d3fe2daa2902ff45a
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SHA256
aca73f4c9be386344a0ccfc0881754b2000adb33f187524b35e9c2a032d0b0d7
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SHA512
5024f181f6ed33cdcbcd4fb5a86358bdb0fe20b6d702319b13dd576b2c712664286f36a1638f6ae5ac27292e705d2c1de1034e5ae034f12205a51566d44392a6
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMJ18:bVCPwFRo6CpwXFXSqQXfjAsJa
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 2024-06-11_f37ccca2b8eac9268d7355c66c464438_cryptolocker unpack001/out.upx
Files
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2024-06-11_f37ccca2b8eac9268d7355c66c464438_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