Behavioral task
behavioral1
Sample
2024-04-26_6f631f859a50fe8b47429117b5c33a55_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-26_6f631f859a50fe8b47429117b5c33a55_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-26_6f631f859a50fe8b47429117b5c33a55_cryptolocker
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Size
55KB
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MD5
6f631f859a50fe8b47429117b5c33a55
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SHA1
2a0db8a4d7500e0634730d8e0fd4dd974569322c
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SHA256
719d5088daf4d7653a10263470cd7680f3ac55664fff0884332f0382baef113e
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SHA512
44e939658f3dbf48debea8b337c7fdac4a4b572096fc56da50007f247a53dc6574da7c779c915d21c7765b3d88ba570bb0bf7fb5a7f85849380c596176c05ae4
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+Sh:bP9g/xtCS3Dxx0JSh
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-26_6f631f859a50fe8b47429117b5c33a55_cryptolocker
Files
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2024-04-26_6f631f859a50fe8b47429117b5c33a55_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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