Behavioral task
behavioral1
Sample
2024-04-03_6d632f83ec89a2fc92ad238f512e63c7_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-03_6d632f83ec89a2fc92ad238f512e63c7_virlock.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-03_6d632f83ec89a2fc92ad238f512e63c7_virlock
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Size
152KB
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MD5
6d632f83ec89a2fc92ad238f512e63c7
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SHA1
5fc0bc98206c47ae37ef9e508dd731cffc856570
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SHA256
fd5c5b32fc598588d980a1d4b54f4739bd376da59457f16efb3e8ba0076272b7
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SHA512
20967d1cf11aed1bb66ec8bb3e9ce2628ae9e9eb1acd6d22a9c4bf52a738bdc11fe962e502507d5e4927c029c52b669010f181073e9b182eafd84d13958dbca6
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SSDEEP
3072:ZY4RZr5Cwo16UrsE1MER2SHRXklwSRfoTBdHRZm0DxgRvw:ZY8qwa6c1MniZkXoXHjDxgRv
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 2024-04-03_6d632f83ec89a2fc92ad238f512e63c7_virlock unpack001/out.upx
Files
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2024-04-03_6d632f83ec89a2fc92ad238f512e63c7_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: 150KB - 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: 196KB - Virtual size: 195KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 512B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE