Behavioral task
behavioral1
Sample
2024-06-03_91eb1fb9e9bd43c7d49324e6b2673ecd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-03_91eb1fb9e9bd43c7d49324e6b2673ecd_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-03_91eb1fb9e9bd43c7d49324e6b2673ecd_cryptolocker
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Size
56KB
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MD5
91eb1fb9e9bd43c7d49324e6b2673ecd
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SHA1
caa3917b35fd721078cbf56d9f9d7923df9163ed
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SHA256
0284c6a1325cfcc31ccf703c8f36e07b4b85b82ea445956b14deb06e3e6586bb
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SHA512
3baabc2862d0966c55905c4d71bb8f1544f8c04e536435130e989b4162dfcaa3ff2c787ec0fc33e887d0ed0996333478c2bf2df24425b265f8db5ad9eb97b851
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlYi:bP9g/xtCS3Dxx0Li
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 2024-06-03_91eb1fb9e9bd43c7d49324e6b2673ecd_cryptolocker
Files
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2024-06-03_91eb1fb9e9bd43c7d49324e6b2673ecd_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