Malware Analysis Report

2024-09-11 14:54

Sample ID 240608-1rv67ahf47
Target Spoof.exe
SHA256 74f56ab8a7adca5ed563d4470174c4ef3a9b76c602cfa7dbd8e0968d57cedf0b
Tags
xworm rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

74f56ab8a7adca5ed563d4470174c4ef3a9b76c602cfa7dbd8e0968d57cedf0b

Threat Level: Known bad

The file Spoof.exe was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm

Checks computer location settings

Drops startup file

Executes dropped EXE

Looks up external IP address via web service

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-08 21:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 21:53

Reported

2024-06-08 21:56

Platform

win10-20240404-en

Max time kernel

133s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Spoof.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4896 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
PID 4896 wrote to memory of 3836 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
PID 4896 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe
PID 4896 wrote to memory of 4532 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Spoof.exe"

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

"C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"

C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

"C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 147.185.221.20:15984 tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 147.185.221.20:15984 tcp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

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

MD5 9e5098fe32abdb06e3245f4ac8de9c9f
SHA1 f0dc06a99f7c40fef4f104494a5c70d4142676cf
SHA256 bf49f61f7454f0c50a28c8856c4dfeb2c6884b9fe5ff9335a28725b530f9a9a3
SHA512 6323f16ffcfc1e7ec6a799d6d0e642183d48376cc1a48757ac11f2918cccba39bc3094c4103f2bcce357e909fcb4c6a8e7ccd19341188f429fed6dc0dc736568

memory/3836-5-0x00000000002C0000-0x00000000002D0000-memory.dmp

memory/3836-6-0x00007FFEA40A3000-0x00007FFEA40A4000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

MD5 68eca888cb479f840503bcdbda3acc88
SHA1 609c73cd16d6a483dafb76179b21f329ea1fef00
SHA256 0f7ff1dda72f7da756a8efb610c9bba0a574442a8a8b48413dda54981d28c4af
SHA512 557b9c3743e5286ab3f21026dfab97c2608f47855a456aaf7cc893b39cfa57dc0df3000715b5da1f0993c4e6d06e84713329e2b190fd10f0d5a67b045da344db

memory/3836-12-0x00007FFEA40A0000-0x00007FFEA4A8C000-memory.dmp

memory/3836-17-0x00007FFEA40A3000-0x00007FFEA40A4000-memory.dmp

memory/3836-18-0x00007FFEA40A0000-0x00007FFEA4A8C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 21:53

Reported

2024-06-08 21:56

Platform

win10v2004-20240426-en

Max time kernel

92s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Spoof.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Spoof.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4592 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
PID 4592 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
PID 4592 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe
PID 4592 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Spoof.exe"

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

"C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"

C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

"C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 147.185.221.20:15984 tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 147.185.221.20:15984 tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

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

MD5 9e5098fe32abdb06e3245f4ac8de9c9f
SHA1 f0dc06a99f7c40fef4f104494a5c70d4142676cf
SHA256 bf49f61f7454f0c50a28c8856c4dfeb2c6884b9fe5ff9335a28725b530f9a9a3
SHA512 6323f16ffcfc1e7ec6a799d6d0e642183d48376cc1a48757ac11f2918cccba39bc3094c4103f2bcce357e909fcb4c6a8e7ccd19341188f429fed6dc0dc736568

memory/4900-11-0x00007FFCDB593000-0x00007FFCDB595000-memory.dmp

memory/4900-12-0x00000000006A0000-0x00000000006B0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

MD5 68eca888cb479f840503bcdbda3acc88
SHA1 609c73cd16d6a483dafb76179b21f329ea1fef00
SHA256 0f7ff1dda72f7da756a8efb610c9bba0a574442a8a8b48413dda54981d28c4af
SHA512 557b9c3743e5286ab3f21026dfab97c2608f47855a456aaf7cc893b39cfa57dc0df3000715b5da1f0993c4e6d06e84713329e2b190fd10f0d5a67b045da344db

memory/4900-21-0x00007FFCDB590000-0x00007FFCDC051000-memory.dmp

memory/4900-26-0x00007FFCDB593000-0x00007FFCDB595000-memory.dmp

memory/4900-27-0x00007FFCDB590000-0x00007FFCDC051000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-08 21:53

Reported

2024-06-08 21:56

Platform

win11-20240426-en

Max time kernel

89s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Spoof.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Spoofer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4908 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
PID 4908 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
PID 4908 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe
PID 4908 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\Spoof.exe C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Spoof.exe"

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

"C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"

C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

"C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 147.185.221.20:15984 chinese-lens.gl.at.ply.gg tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 147.185.221.20:15984 chinese-lens.gl.at.ply.gg tcp

Files

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

MD5 9e5098fe32abdb06e3245f4ac8de9c9f
SHA1 f0dc06a99f7c40fef4f104494a5c70d4142676cf
SHA256 bf49f61f7454f0c50a28c8856c4dfeb2c6884b9fe5ff9335a28725b530f9a9a3
SHA512 6323f16ffcfc1e7ec6a799d6d0e642183d48376cc1a48757ac11f2918cccba39bc3094c4103f2bcce357e909fcb4c6a8e7ccd19341188f429fed6dc0dc736568

memory/2044-11-0x00007FF96A593000-0x00007FF96A595000-memory.dmp

memory/2044-12-0x0000000000520000-0x0000000000530000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\335B0B9F8BA.exe

MD5 68eca888cb479f840503bcdbda3acc88
SHA1 609c73cd16d6a483dafb76179b21f329ea1fef00
SHA256 0f7ff1dda72f7da756a8efb610c9bba0a574442a8a8b48413dda54981d28c4af
SHA512 557b9c3743e5286ab3f21026dfab97c2608f47855a456aaf7cc893b39cfa57dc0df3000715b5da1f0993c4e6d06e84713329e2b190fd10f0d5a67b045da344db

memory/2044-21-0x00007FF96A590000-0x00007FF96B052000-memory.dmp

memory/2044-26-0x00007FF96A590000-0x00007FF96B052000-memory.dmp

memory/2044-27-0x000000001B120000-0x000000001B12C000-memory.dmp