Behavioral task
behavioral1
Sample
virussign.com_efaef52e906b31f1f23cba7594df8c90.exe
Resource
win7-20240221-en
General
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Target
virussign.com_efaef52e906b31f1f23cba7594df8c90.vir
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Size
2.3MB
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MD5
efaef52e906b31f1f23cba7594df8c90
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SHA1
aebf2297c04c91f3fe4a43b6a0360b8d2ac313ae
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SHA256
4ffa545adc42b21054f91f31641c6c547c9c37978f32e8e402f800c1c83a2fe9
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SHA512
a623534b246cf1966313d8bc68cb1bea04537c220e82445b99fdb6ec86d21aa47cf6a8e7cbc04f29f05837ef8b2db14657d163e9efd04f9d2fa17d652477b9f3
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SSDEEP
49152:oezaTF8FcNkNdfE0pZ9ozt4wIQOYilJ51subNWYyxVyY/s//q:oemTLkNdfE0pZrQP
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_efaef52e906b31f1f23cba7594df8c90.vir
Files
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virussign.com_efaef52e906b31f1f23cba7594df8c90.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