Behavioral task
behavioral1
Sample
2024-05-23_31e4fa0b1031669fcf132dfbaa171875_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-23_31e4fa0b1031669fcf132dfbaa171875_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_31e4fa0b1031669fcf132dfbaa171875_cryptolocker
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Size
67KB
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MD5
31e4fa0b1031669fcf132dfbaa171875
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SHA1
bd480e0b04d88196f19195ae4b4117c7b9d58683
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SHA256
4babcb8b10817b15c2afd1f56357ba366cb66c1694f4b6fc6df19e537fea05ca
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SHA512
1ac1502bc04e5d0b5755922881bd44481bdfb17e6f684ee7a606f432ae76bc0b85a374854b616d80cd7bcc575377f670b36782ce786e2b40a901ddae8ddec81f
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRQ:1nK6a+qdOOtEvwDpj9
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 2024-05-23_31e4fa0b1031669fcf132dfbaa171875_cryptolocker
Files
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2024-05-23_31e4fa0b1031669fcf132dfbaa171875_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