Behavioral task
behavioral1
Sample
virussign.com_b446789df54a0d4947422f22f1e28880.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
virussign.com_b446789df54a0d4947422f22f1e28880.exe
Resource
win10v2004-20240508-en
General
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Target
virussign.com_b446789df54a0d4947422f22f1e28880.vir
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Size
29KB
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MD5
b446789df54a0d4947422f22f1e28880
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SHA1
04cfc6ecd1ac817d7494726e34a5595cc702864c
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SHA256
8d4a318a1335d4912d7cc36f5bf60e652c20499c78e4fa9da428d8af2769ab61
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SHA512
f34a97d16eded6522e80b62fb0f5c3694822a51c790f14347123bb60b999f2a1d9863b879b54c7e8892675d18702a17431281bdc2f5f3ce0ac85d78082dff484
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SSDEEP
768:ITRfpN0pOy3OzeXmOGXbJOlB2vsLCik5dAy7b6lSo:IHzzeWHXbJGB2EOik5h36lF
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource virussign.com_b446789df54a0d4947422f22f1e28880.vir unpack001/out.upx
Files
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virussign.com_b446789df54a0d4947422f22f1e28880.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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 72KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 21KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 4KB
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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 344B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 23KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 8B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 512B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ