Behavioral task
behavioral1
Sample
2024-04-26_27aa71ffb977cc758036886c741d8aa4_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-26_27aa71ffb977cc758036886c741d8aa4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-26_27aa71ffb977cc758036886c741d8aa4_cryptolocker
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Size
40KB
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MD5
27aa71ffb977cc758036886c741d8aa4
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SHA1
1bec9f3d5bcef0512e2be6b4866bf403bf93d614
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SHA256
cad4e0574f4321cb7086ecd8a68644998bc5739f3756204d387364a1e98e153c
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SHA512
7f0eb32ef12ad269d6e27086dbebd23bec5262630d46cf60c031b50945bcd77765c1688f2a9d9104f13f1b76fa44b8cfeefbb02545afd0e95c17a75c5d89c101
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHaZ:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKg
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-26_27aa71ffb977cc758036886c741d8aa4_cryptolocker
Files
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2024-04-26_27aa71ffb977cc758036886c741d8aa4_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: 16KB - Virtual size: 28KB
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: 8KB - 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