Behavioral task
behavioral1
Sample
2024-01-26_8ebf92c73a13925282fcf71a6a4363e6_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-26_8ebf92c73a13925282fcf71a6a4363e6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_8ebf92c73a13925282fcf71a6a4363e6_cryptolocker
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Size
74KB
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MD5
8ebf92c73a13925282fcf71a6a4363e6
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SHA1
c3a1b9ff8338137cb43802c4f8ce5f7609596900
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SHA256
774e5f76e04f9bd005846ff53b9c853bc6151093baaf700c1d40c517919700c1
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SHA512
51a0bf914627da0459656c2450ef7801966bd39ed4d24736e00bd060df4904580a6a4c79f2b680fa9ea84de1bd2a0ece43c33f405d63afa8302aeee1392e90cc
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx5:T6a+rdOOtEvwDpjNtHPK
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 2024-01-26_8ebf92c73a13925282fcf71a6a4363e6_cryptolocker
Files
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2024-01-26_8ebf92c73a13925282fcf71a6a4363e6_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_CODE
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