Behavioral task
behavioral1
Sample
2024-04-03_2337e5389081db45dd5a3758843120b9_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-03_2337e5389081db45dd5a3758843120b9_virlock.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-03_2337e5389081db45dd5a3758843120b9_virlock
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Size
155KB
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MD5
2337e5389081db45dd5a3758843120b9
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SHA1
99c46170b63af74b13af173c24f59d287c445608
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SHA256
72e28253024c7646b511a5ed0c0e675dbd21983dc000a25cd073e41c76f07c71
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SHA512
37e2d669ef2e0aeb0288dadd7c5222bb60a65c7c05b0e2bac15976b9e97980aedc2b7916dd7012809e098d37ce6eee85ca49c2cf74ed7377d8e0422c494d3fda
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SSDEEP
3072:6ds4MGhZ1uP8r/p/vOGdzL5Qjjs+FMn5qybA2evlzWcTxV2edrE4bePw:WMGv1vGQL6jjjK5MJ9DNdw4q4
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_2337e5389081db45dd5a3758843120b9_virlock unpack001/out.upx
Files
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2024-04-03_2337e5389081db45dd5a3758843120b9_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: 76KB
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
.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: 209KB - Virtual size: 208KB
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