Behavioral task
behavioral1
Sample
2024-03-19_c22cbb359d2913bc4f0b2f4b3d90e7f0_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_c22cbb359d2913bc4f0b2f4b3d90e7f0_virlock.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_c22cbb359d2913bc4f0b2f4b3d90e7f0_virlock
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Size
130KB
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MD5
c22cbb359d2913bc4f0b2f4b3d90e7f0
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SHA1
0e3ec857c50889d7391dac576aeef05137b66621
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SHA256
19cbfb930b3d94440d79b29094805ce16cb88519e6c47bcde6c17dbd42a20be2
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SHA512
6a74db3404e079f5b252b7e90c3ef058ff957634da0e12902ea85047131732f5e21bd8dba44d551ea96a910b6b7ba784135be5bfd97369091f2e343fe963d315
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SSDEEP
3072:d2HKPYmkOUMnOWEwFU5YZG/CrPV2adZlJv8g75tpuyNOpbF+Qo9G9vTdkq:dlEMOwGy46rP0adZLZpi/+QoEddkq
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 2024-03-19_c22cbb359d2913bc4f0b2f4b3d90e7f0_virlock unpack001/out.upx
Files
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2024-03-19_c22cbb359d2913bc4f0b2f4b3d90e7f0_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: 80KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 124KB - Virtual size: 128KB
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: 189KB - Virtual size: 188KB
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