Behavioral task
behavioral1
Sample
2024-04-28_3feba4fc346791caee961694493f1c02_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-28_3feba4fc346791caee961694493f1c02_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-28_3feba4fc346791caee961694493f1c02_cryptolocker
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Size
55KB
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MD5
3feba4fc346791caee961694493f1c02
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SHA1
e8506eec1cf35439aea9c77050bea4bddaad635e
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SHA256
d5b1706bd481eaff4a0ffdf7c92905f41bd923ec1fa4f7885d618a32544ba38d
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SHA512
aca7d7bc2ac515e68f162bb2f1bad1a84a66fce974d8854877d2ecb32a26806061dbb79019028a13c983c16f708f4e921d079d0b918009dfffc2949198cd427a
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzd:bP9g/xtCS3Dxx0nd
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 2024-04-28_3feba4fc346791caee961694493f1c02_cryptolocker
Files
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2024-04-28_3feba4fc346791caee961694493f1c02_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