Behavioral task
behavioral1
Sample
2024-06-05_636b98cb98d672e90aa139da1f83b8ca_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-05_636b98cb98d672e90aa139da1f83b8ca_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-05_636b98cb98d672e90aa139da1f83b8ca_cryptolocker
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Size
91KB
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MD5
636b98cb98d672e90aa139da1f83b8ca
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SHA1
33f258cc18cb64cf7b8eac3f34c6e2516b299881
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SHA256
5ed9906031e40939acafd1e02a12dd9985d4b183c40ab31d133dc4b1ef23719e
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SHA512
87328cd14d44d70feafb690faae6025b7395bb1ddc97d15bd74b17d15c2681c9176f516a01b2253f08d8cb1742687dd728f45c83eb6a55eda435c7fd652759bf
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Lp:n6a+1SEOtEvwDpjYYvQd2PW
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 2024-06-05_636b98cb98d672e90aa139da1f83b8ca_cryptolocker
Files
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2024-06-05_636b98cb98d672e90aa139da1f83b8ca_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