Behavioral task
behavioral1
Sample
2024-05-26_0b536ecadc5ab9fbdaaec2d6c37088bd_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-26_0b536ecadc5ab9fbdaaec2d6c37088bd_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-26_0b536ecadc5ab9fbdaaec2d6c37088bd_cryptolocker
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Size
56KB
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MD5
0b536ecadc5ab9fbdaaec2d6c37088bd
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SHA1
ad48dade880c63cbf0b9b610cdd33f5b5b02e0c2
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SHA256
658daa9888983be75c8f0c1e2369f0074493143edd3df1de00261500335f4e7b
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SHA512
b1d7e58f671991c7308d9d18a4c2380924a8a435571006fd7d32c4f8f7e61e59c6f4c0c1e3391d78ad8ed2ef3a86c16362c8adfe36349a633011b57d97bea614
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgM:bP9g/xtCS3Dxx0A
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 2024-05-26_0b536ecadc5ab9fbdaaec2d6c37088bd_cryptolocker
Files
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2024-05-26_0b536ecadc5ab9fbdaaec2d6c37088bd_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