Behavioral task
behavioral1
Sample
2024-01-26_31a22c1db1066d35ba9d94f0a2457964_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-26_31a22c1db1066d35ba9d94f0a2457964_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_31a22c1db1066d35ba9d94f0a2457964_cryptolocker
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Size
117KB
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MD5
31a22c1db1066d35ba9d94f0a2457964
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SHA1
e1cf1bd302f374f152d1eca0ff76521eaf8f0ca2
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SHA256
2f562d1597937340aa604166eb81cf4ad417022b51559e64b3f7ef95d8bedd82
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SHA512
e70b62aff02500783470c0742b05953a3a9483748d219963d71967f4789f7e8a84fff064fd4abc714ab4d79fc0b7a72309aabfae511e148f58947e3500c6d384
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01QaGo:z6a+CdOOtEvwDpjczh
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_31a22c1db1066d35ba9d94f0a2457964_cryptolocker
Files
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2024-01-26_31a22c1db1066d35ba9d94f0a2457964_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