Behavioral task
behavioral1
Sample
virussign.com_81a5ba8eaeb94ceec63c81cf258547f0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virussign.com_81a5ba8eaeb94ceec63c81cf258547f0.exe
Resource
win10v2004-20240508-en
General
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Target
virussign.com_81a5ba8eaeb94ceec63c81cf258547f0.vir
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Size
161KB
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MD5
81a5ba8eaeb94ceec63c81cf258547f0
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SHA1
9d27f9254c3032ac311e61bbbf6d93c0973f0748
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SHA256
9589575fbbcb09fdbafa961a65c27939b7b7e23e27471be5731335b7521ab3d1
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SHA512
eafcc64281485823b7f91a07dd4a0d6d251d07f448206e0e0f0d350e0e52d61848efb54d98655d8f404f868de27bdd08f54dc6094e0e2904689e140d064f42ff
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SSDEEP
3072:X5SVkkgUWib1UC7AdYzrV+Dljy/32ubwZZqJ:EUquCkdYzrVolu/J0ZZ
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_81a5ba8eaeb94ceec63c81cf258547f0.vir
Files
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virussign.com_81a5ba8eaeb94ceec63c81cf258547f0.vir.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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 58KB - Virtual size: 128KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 19KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 81KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE