Behavioral task
behavioral1
Sample
2024-03-07_b1aa75936b3d80d26e7b82485784e9a8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_b1aa75936b3d80d26e7b82485784e9a8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_b1aa75936b3d80d26e7b82485784e9a8_cryptolocker
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Size
117KB
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MD5
b1aa75936b3d80d26e7b82485784e9a8
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SHA1
803c7dcded9ac39119c8ab86219b46ce3b402372
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SHA256
508288dfc51307f824cf48acdf32c85eb4da47afc039a6bd12b8ee3d10887ec5
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SHA512
0e4b25f57a844d62bd463c47399e1ade0fb65a74b7b90a615c48de69d50cddb339d20e0cd0576e00364dd5909e9c8478a51c3bb08acf5c76bad5e19f35b9211d
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01F:z6a+CdOOtEvwDpjczn
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-03-07_b1aa75936b3d80d26e7b82485784e9a8_cryptolocker
Files
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2024-03-07_b1aa75936b3d80d26e7b82485784e9a8_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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