Malware Analysis Report

2025-01-18 16:50

Sample ID 231022-vwt7ssdh8v
Target NEAS.662282373803b0222f06b08750644a30.exe
SHA256 b508a0c2acd1a7f636a19d6b660b9d0b3f18d7025a0ab9fe71c101b973b80ab4
Tags
netwire botnet persistence rat stealer upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b508a0c2acd1a7f636a19d6b660b9d0b3f18d7025a0ab9fe71c101b973b80ab4

Threat Level: Known bad

The file NEAS.662282373803b0222f06b08750644a30.exe was found to be: Known bad.

Malicious Activity Summary

netwire botnet persistence rat stealer upx

Netwire

NetWire RAT payload

Executes dropped EXE

Loads dropped DLL

UPX packed file

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-22 17:20

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-22 17:20

Reported

2023-10-22 20:23

Platform

win7-20231020-en

Max time kernel

142s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe"

Signatures

NetWire RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Netwire

botnet stealer netwire

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\test.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\Install\offiice365.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\test.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\test.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\officeii365 = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\offiice365.exe" C:\Users\Admin\AppData\Roaming\Install\offiice365.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1940 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe C:\Windows\SysWOW64\cmd.exe
PID 1940 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe C:\Windows\SysWOW64\cmd.exe
PID 1940 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe C:\Windows\SysWOW64\cmd.exe
PID 1940 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe C:\Windows\SysWOW64\cmd.exe
PID 2644 wrote to memory of 2080 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2644 wrote to memory of 2080 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2644 wrote to memory of 2080 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2644 wrote to memory of 2080 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2080 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Roaming\Install\offiice365.exe
PID 2080 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Roaming\Install\offiice365.exe
PID 2080 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Roaming\Install\offiice365.exe
PID 2080 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Roaming\Install\offiice365.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c test.exe

C:\Users\Admin\AppData\Local\Temp\test.exe

test.exe

C:\Users\Admin\AppData\Roaming\Install\offiice365.exe

"C:\Users\Admin\AppData\Roaming\Install\offiice365.exe"

Network

Country Destination Domain Proto
US 155.94.198.169:9112 tcp
US 155.94.198.169:9112 tcp

Files

memory/1940-0-0x0000000000400000-0x0000000000585000-memory.dmp

\Users\Admin\AppData\Local\Temp\test.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

C:\Users\Admin\AppData\Local\Temp\test.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

\Users\Admin\AppData\Local\Temp\test.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

C:\Users\Admin\AppData\Local\Temp\test.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

\Users\Admin\AppData\Roaming\Install\offiice365.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

\Users\Admin\AppData\Roaming\Install\offiice365.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

memory/2080-14-0x0000000000400000-0x0000000000430000-memory.dmp

C:\Users\Admin\AppData\Roaming\Install\offiice365.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

C:\Users\Admin\AppData\Roaming\Install\offiice365.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

memory/1940-16-0x0000000000400000-0x0000000000585000-memory.dmp

memory/2288-17-0x0000000000400000-0x0000000000430000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-22 17:20

Reported

2023-10-22 20:24

Platform

win10v2004-20231020-en

Max time kernel

143s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe"

Signatures

NetWire RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Netwire

botnet stealer netwire

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\test.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\test.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\Install\offiice365.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\officeii365 = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\offiice365.exe" C:\Users\Admin\AppData\Roaming\Install\offiice365.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.662282373803b0222f06b08750644a30.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c test.exe

C:\Users\Admin\AppData\Local\Temp\test.exe

test.exe

C:\Users\Admin\AppData\Roaming\Install\offiice365.exe

"C:\Users\Admin\AppData\Roaming\Install\offiice365.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 254.5.248.8.in-addr.arpa udp
US 155.94.198.169:9112 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 254.211.247.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 155.94.198.169:9112 tcp
US 8.8.8.8:53 253.15.104.51.in-addr.arpa udp

Files

memory/372-0-0x0000000000400000-0x0000000000585000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\test.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

C:\Users\Admin\AppData\Local\Temp\test.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

C:\Users\Admin\AppData\Roaming\Install\offiice365.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

C:\Users\Admin\AppData\Roaming\Install\offiice365.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

C:\Users\Admin\AppData\Roaming\Install\offiice365.exe

MD5 ccfebd5c0c965af2751462ebba5b273a
SHA1 189a213573e6a5fc0c9ae7474ec5425e29182394
SHA256 260ec8f60038b1cf3a1df03dd224cca91f29e9bd1bdc6ccc276a23ab0bd2d911
SHA512 f7319e8e115e545be7b4701f56ab0846d957a990275dfb029ab752425b8d87ab907f41e93e58239376129f80452338df0997232fbac2112c7ffbfc0c3c7cda67

memory/1964-13-0x0000000000400000-0x0000000000430000-memory.dmp

memory/372-14-0x0000000000400000-0x0000000000585000-memory.dmp

memory/4520-15-0x0000000000400000-0x0000000000430000-memory.dmp