Behavioral task
behavioral1
Sample
virussign.com_81a3f9171db4567473631587de2e12d0.exe
Resource
win7-20240221-en
General
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Target
virussign.com_81a3f9171db4567473631587de2e12d0.vir
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Size
1.8MB
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MD5
81a3f9171db4567473631587de2e12d0
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SHA1
ef148593a6ea9319869437915685657fe69281ec
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SHA256
52d77a24b9e196cb2056f118bda1e12645e068956187b4c560fa657f91ff8bc5
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SHA512
e2bc04a9fd43925519b6e6e4b9148ae0a31c111dbada942feb8d6955c9ab7ea711a6936f91abd314de682129c190cd759cc8f99cd6bc28e9c8a496a37a5a5e0a
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SSDEEP
49152:BezaTF8FcNkNdfE0pZ9ozt4wIXGvAFeuZu:BemTLkNdfE0pZr6
Malware Config
Signatures
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XMRig Miner payload 1 IoCs
resource yara_rule sample xmrig -
Xmrig family
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_81a3f9171db4567473631587de2e12d0.vir
Files
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virussign.com_81a3f9171db4567473631587de2e12d0.vir.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 724KB - Virtual size: 3.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 272KB - Virtual size: 272KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE