Behavioral task
behavioral1
Sample
2024-05-09_bf4c3b261f5a55d292f86d0d30f1c085_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_bf4c3b261f5a55d292f86d0d30f1c085_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-09_bf4c3b261f5a55d292f86d0d30f1c085_cryptolocker
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Size
65KB
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MD5
bf4c3b261f5a55d292f86d0d30f1c085
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SHA1
6ed458f5253bc6b16f8419f8822b86d90de61a36
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SHA256
ac2fffdf36b61e189011351890217ff23874983d4fe692860faa09a266c3ed30
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SHA512
72b918162a5b6be6ff2ad07d98c787979fcc3c2518696f1c477f522e9ae5fa9a18123e73d63ddaad4806744f50424f1b5fb71c3bd7fa96eb0b4ca7c8ad8a977b
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xf:1nK6a+qdOOtEvwDpjh
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 2024-05-09_bf4c3b261f5a55d292f86d0d30f1c085_cryptolocker
Files
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2024-05-09_bf4c3b261f5a55d292f86d0d30f1c085_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE