Behavioral task
behavioral1
Sample
2024-04-29_8e1891f40d200dae8a9a9745a7b09d30_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-29_8e1891f40d200dae8a9a9745a7b09d30_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_8e1891f40d200dae8a9a9745a7b09d30_cryptolocker
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Size
89KB
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MD5
8e1891f40d200dae8a9a9745a7b09d30
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SHA1
121a54696d0b07cf84a8eeb7f31f0925aac787cb
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SHA256
b8747794ae2a734a0f4b82b831bd177da65dbea3e72baf3ffd21c7a825c03a05
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SHA512
4fc6c30b61b3c2ea63d0aab54fe45bb5e524fef48d2b67d9dd21b8078fea7a016a4b81f457d9a65fb25161a3554391c42620c907ceed10cee52561834827f975
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAM:n6a+1SEOtEvwDpjYYvQd2PM
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 2024-04-29_8e1891f40d200dae8a9a9745a7b09d30_cryptolocker
Files
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2024-04-29_8e1891f40d200dae8a9a9745a7b09d30_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: 11KB - 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