Behavioral task
behavioral1
Sample
2024-04-05_f09795a29696ea3974f2befbca7f5d89_virlock.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-05_f09795a29696ea3974f2befbca7f5d89_virlock.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_f09795a29696ea3974f2befbca7f5d89_virlock
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Size
196KB
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MD5
f09795a29696ea3974f2befbca7f5d89
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SHA1
d9b0bf8bf9f58ff869181701b587d0bbb41577bf
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SHA256
2cfdf2f430685a4a25e58547ba56f5bf375ba2470ac377a337c005989dbdd564
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SHA512
6c9a0fdc880f46e8d9ddcd1a24046f79877f98bb95acbc5eebbe4626f65d4121248788911970954965ddd0585fe631278ac2d57cc4fcb85cecf6e846813aad74
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SSDEEP
3072:R+USieKx/XptgI54W77k6xuZ49ffs/v7LkMXSmDSwgcYXOhzeh9YEB5czC3qt0re:QKx/ZtgIr77kgX8/DLkMDSUiYEU/0ni
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 2024-04-05_f09795a29696ea3974f2befbca7f5d89_virlock unpack001/out.upx
Files
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2024-04-05_f09795a29696ea3974f2befbca7f5d89_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: 68KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 191KB - Virtual size: 192KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 8KB
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: 243KB - Virtual size: 242KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE