Behavioral task
behavioral1
Sample
2024-01-25_fe71260e5088c9f7274299b1a68cc9f1_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-25_fe71260e5088c9f7274299b1a68cc9f1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_fe71260e5088c9f7274299b1a68cc9f1_cryptolocker
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Size
117KB
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MD5
fe71260e5088c9f7274299b1a68cc9f1
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SHA1
68b4bca7375c05833fd5a3a5eb4962789352afaf
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SHA256
f2cb6e6cd5c2dc0bf2ceee067acadb1b86c8731d04a50fd4a6c649c13ca858a5
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SHA512
31172c052f05bddc23a129fc15feff4a03ff3f1f59d4c6c03d73a2b77040e80ebcc562e7fa07f2776752580c2e3f883c50be714d57345ee0a3927620a06b9c60
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01QaT:z6a+CdOOtEvwDpjcz5
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 2024-01-25_fe71260e5088c9f7274299b1a68cc9f1_cryptolocker
Files
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2024-01-25_fe71260e5088c9f7274299b1a68cc9f1_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