Behavioral task
behavioral1
Sample
20240517f81d253aa164d71e791baa090d522ce8cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
20240517f81d253aa164d71e791baa090d522ce8cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
20240517f81d253aa164d71e791baa090d522ce8cryptolocker.bin
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Size
68KB
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MD5
f81d253aa164d71e791baa090d522ce8
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SHA1
f70d664b45e51dfdb9b6c0c0b58f33b4f7d95c1f
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SHA256
64af2a4a94a7af77ff4c67053aede586453f98fd4e6c727fa83c64b54128bd5f
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SHA512
03f8eacaaa7b9aa329b7804bfbcb78bc2989463c5de3670df6c48756ea9a21cd91e9e43207b4a19f091afe74411cc957fc81b23bc387454bf6a179d549b32c74
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SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAee:78SEOtEvwDpjWYvQd2PX
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 20240517f81d253aa164d71e791baa090d522ce8cryptolocker.bin unpack001/out.upx
Files
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20240517f81d253aa164d71e791baa090d522ce8cryptolocker.bin.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
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ