Behavioral task
behavioral1
Sample
2024-02-25_bce8803de475c1cbbd2e45d299afb2e0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_bce8803de475c1cbbd2e45d299afb2e0_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_bce8803de475c1cbbd2e45d299afb2e0_cryptolocker
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Size
75KB
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MD5
bce8803de475c1cbbd2e45d299afb2e0
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SHA1
c0576697d5794fea4e069ff59c604847c8eb8940
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SHA256
6e06c6b14127445ec14dd6e0c767e1b8e4912f50b8ee9fe95f578d415360874c
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SHA512
37fc3870313a5d5287ace8c299c40eec9be1f79997ca956c0261f412410e1c9b87b1eae7d7b1c0bf14e565300683b1cf77ba73b23eaf9c5903058a46d8ef2cb7
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx76w:T6a+rdOOtEvwDpjNtHPe
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 2024-02-25_bce8803de475c1cbbd2e45d299afb2e0_cryptolocker
Files
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2024-02-25_bce8803de475c1cbbd2e45d299afb2e0_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