Behavioral task
behavioral1
Sample
2024-02-13_55c520b827551801be35d976522d2052_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_55c520b827551801be35d976522d2052_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-13_55c520b827551801be35d976522d2052_cryptolocker
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Size
116KB
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MD5
55c520b827551801be35d976522d2052
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SHA1
b12af298f763a4b27d092c9007da040d77f63c5d
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SHA256
1ae1bd883b619cbe63086eca9232d6d1a8c650a490c42f7ac0412259c16c1e36
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SHA512
42e3eef18e619b586501aa85619540fad56397dba76b522d2aa3f66ae3d3688892d1b3d33b4dc7ba76acb2c710490aea78e6be3d78e45b05bfab89af0bfb03e6
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01P:z6a+CdOOtEvwDpjcz9
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 2024-02-13_55c520b827551801be35d976522d2052_cryptolocker
Files
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2024-02-13_55c520b827551801be35d976522d2052_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