Behavioral task
behavioral1
Sample
2024-04-30_1a34dc63d50099140f4c0d5daf98bf34_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_1a34dc63d50099140f4c0d5daf98bf34_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-30_1a34dc63d50099140f4c0d5daf98bf34_cryptolocker
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Size
55KB
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MD5
1a34dc63d50099140f4c0d5daf98bf34
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SHA1
e22054be2560b673958a1a218b4b2955d6f3098b
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SHA256
4d77be9802c251c9f6c7d33e75c959d80f993c02922075e80f20921217716708
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SHA512
64cf24dc25fd3b2bf2fe4914bdccea0f70626f96f29e2e6e2bf632ed2c43f133ac2ffdf87a1965ceeb50b9bcb3ae776842fcfaba66b0ab4c3ab10c86c410a3ec
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+w:bP9g/xtCS3Dxx0Jw
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 2024-04-30_1a34dc63d50099140f4c0d5daf98bf34_cryptolocker
Files
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2024-04-30_1a34dc63d50099140f4c0d5daf98bf34_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