Behavioral task
behavioral1
Sample
2024-01-23_b62d79fc164e7787266dd1458ffdf001_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_b62d79fc164e7787266dd1458ffdf001_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_b62d79fc164e7787266dd1458ffdf001_cryptolocker
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Size
64KB
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MD5
b62d79fc164e7787266dd1458ffdf001
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SHA1
813ec31f5630b40cebc04b1c06ffb666e0db4285
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SHA256
9db09df1ee7d4c2b80b91f5eb11b98c9b41f6922d083c471db0f6e3e308e2163
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SHA512
9c3a27ada88ff3ef35062b4e34c0f1809d17d7c4b9c49520740063f29066d4efb731b6850cd16f5cb42a42ef0255110ca0617c6df8f97d0f33ae94f5f452d5d0
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gtqum/kLyMro2GtOOtEvwDpjh:T6QFElP6n+gtjmddpMOtEvwDpj
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 2024-01-23_b62d79fc164e7787266dd1458ffdf001_cryptolocker
Files
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2024-01-23_b62d79fc164e7787266dd1458ffdf001_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