Behavioral task
behavioral1
Sample
2024-06-12_a6683f5511668e0783b8b02779f1933c_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-12_a6683f5511668e0783b8b02779f1933c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-12_a6683f5511668e0783b8b02779f1933c_cryptolocker
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Size
57KB
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MD5
a6683f5511668e0783b8b02779f1933c
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SHA1
0eb25ef89a007800be16b00a5e2df847cdcb0ded
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SHA256
3c465b3e73df77d2fb3b74103c94479a071dd5d5c1aa4572263d9df4e9ec99f6
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SHA512
b26a1819985511b7eacd41bbafb054c7b518cb959570275cf28f6820568fec106af57832c0b824e18e3c51a1c0db0893f385a2ae14c503b330b246514de12b76
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjls:bP9g/xtCS3Dxx0n
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 2024-06-12_a6683f5511668e0783b8b02779f1933c_cryptolocker
Files
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2024-06-12_a6683f5511668e0783b8b02779f1933c_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