Behavioral task
behavioral1
Sample
2024-02-12_a8bdf47fbf272a0a928b966b9f0a8e52_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_a8bdf47fbf272a0a928b966b9f0a8e52_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_a8bdf47fbf272a0a928b966b9f0a8e52_cryptolocker
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Size
148KB
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MD5
a8bdf47fbf272a0a928b966b9f0a8e52
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SHA1
a272d7a9005685a6f27308c5a389ce5382c16c2f
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SHA256
ec9e62ea27a07bd1fe18f3df6ba1362b0dc6fb12140db9875942c7a220d65853
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SHA512
63221fbe2c9a22679a505470d360ef4fe07337af336afdd57ed28e989d0aa558b6ba44a001f723a3421f926f212a5772e0cb70af5b6e5d899a2d5ccb795b1c50
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1eXj:z6a+CdOOtEvwDpjczZ
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 2024-02-12_a8bdf47fbf272a0a928b966b9f0a8e52_cryptolocker
Files
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2024-02-12_a8bdf47fbf272a0a928b966b9f0a8e52_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