Behavioral task
behavioral1
Sample
2024-05-09_a8858a45018851b486743195add62e2b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_a8858a45018851b486743195add62e2b_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-09_a8858a45018851b486743195add62e2b_cryptolocker
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Size
90KB
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MD5
a8858a45018851b486743195add62e2b
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SHA1
754bbefb26cde4dd0e83a46ef8ff5bca05f62ca7
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SHA256
c50105180bb94ab244f2c2a616386b1df36ec4c2585c2b4bb34a35a943a59acf
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SHA512
5dbe7f3ab3826168721dd7029d6ebbe349cc4d130586c2d12386a0a3577d8b9e72f6b8c01f1333302494348e0255ee4a0edd6e23484f6034a431847365c745a9
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAHE:n6a+1SEOtEvwDpjYYvQd2Pk
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_a8858a45018851b486743195add62e2b_cryptolocker
Files
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2024-05-09_a8858a45018851b486743195add62e2b_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