Behavioral task
behavioral1
Sample
2024-05-21_b2c0a07107f6aac86c3cacf8a5400d4a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_b2c0a07107f6aac86c3cacf8a5400d4a_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_b2c0a07107f6aac86c3cacf8a5400d4a_cryptolocker
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Size
57KB
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MD5
b2c0a07107f6aac86c3cacf8a5400d4a
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SHA1
f22f4e53357a0caa2bfb0b207bc9c9a70c06c486
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SHA256
d5104985ca3b72304558680aaa508f2f5f4a2846764e0b4b9c8dd10f2e0f4ec7
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SHA512
3d6ab79da1c5930c99dc0458ead578e452629550d629615ff17171dd6dd32904f3e95e4ab52d34452e65bcd06475a3ae4abacc32911896d66f306dc0af963714
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzqE:bP9g/xtCS3Dxx0nqE
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 2024-05-21_b2c0a07107f6aac86c3cacf8a5400d4a_cryptolocker
Files
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2024-05-21_b2c0a07107f6aac86c3cacf8a5400d4a_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 17KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE