Behavioral task
behavioral1
Sample
2024-04-25_f35a65fed28f0ba9822e099f48cd73b3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-25_f35a65fed28f0ba9822e099f48cd73b3_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_f35a65fed28f0ba9822e099f48cd73b3_cryptolocker
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Size
55KB
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MD5
f35a65fed28f0ba9822e099f48cd73b3
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SHA1
a79390f0f92a53ad7217d0faa7be87ec821f3ccf
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SHA256
b4a7878b565b6ab85445dfc00205268ab23caf28dd05a0368bef020b687b40de
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SHA512
0f553b7009c6b5672c4375614d6e5e500330df0a690599c55c998d153c2de73670197a7b8297239eb77840605874b9fe90e1cce1346f326ba611384c77e52ca3
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlJ:bP9g/xtCS3Dxx0W
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 2024-04-25_f35a65fed28f0ba9822e099f48cd73b3_cryptolocker
Files
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2024-04-25_f35a65fed28f0ba9822e099f48cd73b3_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