Behavioral task
behavioral1
Sample
2024-06-10_b18c46d9e7a41c399e50d68e5a21a4de_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-10_b18c46d9e7a41c399e50d68e5a21a4de_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-10_b18c46d9e7a41c399e50d68e5a21a4de_cryptolocker
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Size
26KB
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MD5
b18c46d9e7a41c399e50d68e5a21a4de
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SHA1
828d53f567c49e70867bd46772e5a4c176a186ee
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SHA256
55b08d19e5e3809175a42d8c81ddcf3d1306c6c170330da1d8a923b5c320d830
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SHA512
e01816410230cbec5f1f1a6ab08976cf1c0a22411691354acf81eea431b95b78b44b71bf2ab0a311a92ff5a883ed3345393458d4d6cf448df32edb5de8defb2b
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SSDEEP
384:bjWBAr5fx5H611wawEQ6beWTqpaNJawcudoD7U9I/zziYwI62t6e/:bCOjawZEjbhxnbcuyD7U9kXfn62tD/
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 2024-06-10_b18c46d9e7a41c399e50d68e5a21a4de_cryptolocker
Files
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2024-06-10_b18c46d9e7a41c399e50d68e5a21a4de_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: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE