Behavioral task
behavioral1
Sample
2024-04-04_d0caa30b02e44810c6d69034e1d39a68_virlock.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-04_d0caa30b02e44810c6d69034e1d39a68_virlock.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_d0caa30b02e44810c6d69034e1d39a68_virlock
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Size
151KB
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MD5
d0caa30b02e44810c6d69034e1d39a68
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SHA1
7180fc78b8d85f68bd3a9bda0f4f4e3b3fbc813e
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SHA256
6f60a4bbebf86995534e5c6336db3008e0b669fd061448c41bd843429d13f001
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SHA512
664e8dfe0449466331401ef98e71303b294cb18da222a6a88dead069735892b3aabcbe24c40061e37b977412f7e689b77e2c961a1aa49c2666e769c725e2f6a1
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SSDEEP
3072:blaMQ7TsuSLn6K2nfdmhcadO0SfP85uhavVn2+F29rL7fBLM1h:b0L4rh2nfdmhfd8fEYov9Tof7U
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-04-04_d0caa30b02e44810c6d69034e1d39a68_virlock unpack001/out.upx
Files
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2024-04-04_d0caa30b02e44810c6d69034e1d39a68_virlock.exe windows:4 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: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 149KB - Virtual size: 152KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 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: 199KB - Virtual size: 199KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE