Behavioral task
behavioral1
Sample
2024-06-08_3bf485761dd9a09e91c9fb6d968deb71_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-08_3bf485761dd9a09e91c9fb6d968deb71_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-08_3bf485761dd9a09e91c9fb6d968deb71_cryptolocker
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Size
57KB
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MD5
3bf485761dd9a09e91c9fb6d968deb71
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SHA1
293f3d9a6e5ab495dbe1fa78e3d35d34c6fd9373
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SHA256
3f34a18e027dd2b798bc28341c948df1772ed552090c6041ffe71fd592175fc0
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SHA512
c02ff2b3dbb38972f2fdfc704e584d207b0d86a4816aa03b824b164cc4a57d62176a17ff4cb5c39df1d325aa8a681ba745f84981e40a3a507f589e476baa77d5
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzCY:bP9g/xtCS3Dxx0nCY
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 2024-06-08_3bf485761dd9a09e91c9fb6d968deb71_cryptolocker
Files
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2024-06-08_3bf485761dd9a09e91c9fb6d968deb71_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