Behavioral task
behavioral1
Sample
2024-06-03_405b363493e1c1613853f058570ca6d3_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-03_405b363493e1c1613853f058570ca6d3_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-03_405b363493e1c1613853f058570ca6d3_cryptolocker
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Size
91KB
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MD5
405b363493e1c1613853f058570ca6d3
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SHA1
c94e92970a19ebe96b81531b53096880524b4b91
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SHA256
3a99faebf72065b949af8e65e65b1147cc9d0c6166fe3f78af574055b4afe53b
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SHA512
855f71d2cb21b25690a9391f3f3b3a365c6fbe76d3a4cc553887c196d8802f75891ed49d11a2ec53f67875184be43eee24b4b99a944b7bc095a3077081296efd
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Db:n6a+1SEOtEvwDpjYYvQd2Pg
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 2024-06-03_405b363493e1c1613853f058570ca6d3_cryptolocker
Files
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2024-06-03_405b363493e1c1613853f058570ca6d3_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