Behavioral task
behavioral1
Sample
2024-01-26_b1707f08a9750370377b11cf8d5fff2b_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_b1707f08a9750370377b11cf8d5fff2b_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_b1707f08a9750370377b11cf8d5fff2b_cryptolocker
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Size
73KB
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MD5
b1707f08a9750370377b11cf8d5fff2b
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SHA1
77afabb304e5017dfa574530b2ccdb9970c71a83
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SHA256
d47ae4b8267c037164e30f44cb09ed9f1092c92a670d12450f62e78a345e2794
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SHA512
d4248b263171af33e600832b4751d6b2472e729762e0cc1553bf876ed09849f33f931b6c93f38941be15502c27b24460604a0adac8b909be079b975c6036509e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxO:T6a+rdOOtEvwDpjNtHPt
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_b1707f08a9750370377b11cf8d5fff2b_cryptolocker
Files
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2024-01-26_b1707f08a9750370377b11cf8d5fff2b_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