Behavioral task
behavioral1
Sample
virussign.com_aff6ef1481f1fb157c0e06dc83d18ef0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
virussign.com_aff6ef1481f1fb157c0e06dc83d18ef0.exe
Resource
win10v2004-20240508-en
General
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Target
virussign.com_aff6ef1481f1fb157c0e06dc83d18ef0.vir
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Size
47KB
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MD5
aff6ef1481f1fb157c0e06dc83d18ef0
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SHA1
59dfe2ea2c683b2ed68651c6058cbcf9fa344fd9
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SHA256
1eb27fc90e95e311f4bc5909e384d93e5b7399e22eb09db02caed1d1dfa86bd3
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SHA512
d990d4e33c6778672e172d6d053606eb2306a957b4a64247362a82635a09d18cb581c456f9c94533e2e5c8042db8fd29c52cdb79be03b0bd9b0bcc23a5e3edc2
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SSDEEP
768:IfUCmQXJP8LbKiTwN4AWzC2JvL3uATG2RpxHRmf432EKIfFShcr93BQq3:IHJP4WicyAWzNLx7DAa2EK9hch+q3
Malware Config
Extracted
metasploit
windows/reverse_tcp
10.9.26.213:1232
Signatures
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Metasploit family
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource virussign.com_aff6ef1481f1fb157c0e06dc83d18ef0.vir unpack001/out.upx
Files
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virussign.com_aff6ef1481f1fb157c0e06dc83d18ef0.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
Sections
UPX0 Size: - Virtual size: 48KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 43KB - Virtual size: 44KB
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
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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: 44KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ