Behavioral task
behavioral1
Sample
2024-03-26_23b90e87c5dc817abffc9bbab465417f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-26_23b90e87c5dc817abffc9bbab465417f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-26_23b90e87c5dc817abffc9bbab465417f_cryptolocker
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Size
119KB
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MD5
23b90e87c5dc817abffc9bbab465417f
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SHA1
a0054ef2d38245c268cada498943fffa3e01a055
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SHA256
39b580db3f4b6581a8e13e7f4d83edbc8e2cc6c49a7bfbe161d788721d8c3e67
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SHA512
a9a6d4872751a450d88c011f4447178258fb678c46926b72a00e136469b77075afab2db8901d30b79a006696cf20f46ebecfefa32a188d6861371c6369e81107
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01ZNRm:z6a+CdOOtEvwDpjczG
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 2024-03-26_23b90e87c5dc817abffc9bbab465417f_cryptolocker
Files
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2024-03-26_23b90e87c5dc817abffc9bbab465417f_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: 10KB - 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