Behavioral task
behavioral1
Sample
2024-04-26_00a40efb1b4fd6cced4a659fecf4e8f8_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-26_00a40efb1b4fd6cced4a659fecf4e8f8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-26_00a40efb1b4fd6cced4a659fecf4e8f8_cryptolocker
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Size
55KB
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MD5
00a40efb1b4fd6cced4a659fecf4e8f8
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SHA1
847600b38056f79fb26196901c3c8753541b0fa5
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SHA256
a748ba61aa8d42243b36a266d893e35b827f6665bc46efa155183eca2bd97175
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SHA512
e0c38fa35c11bef6fcef4a8c4548a5997d4c415efbf5c0d83e8d29a259501d30aefd580def4f747411f569e720f001ae11217c6f7919a146f6af1f143f2c2217
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+G:bP9g/xtCS3Dxx0JG
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_00a40efb1b4fd6cced4a659fecf4e8f8_cryptolocker
Files
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2024-04-26_00a40efb1b4fd6cced4a659fecf4e8f8_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