xworm | 95e5b66131e63d29c869dec3213d170689aed33f3df2ee0e52de61ad6add1f4e

General

Target

spoofer.exe
Size

69KB
MD5

3d4aee4d0038725b015d28e56770bbf9
SHA1

82c009d268a3695b76b4a32229089323a3c14f14
SHA256

95e5b66131e63d29c869dec3213d170689aed33f3df2ee0e52de61ad6add1f4e
SHA512

2d658a5a96866ebd21948dbec7305af78829fc23fd5f6e9fe980f1ed4a803f953c4a181197bc8dc1d8e970bc45db9a1930af6111933414a9621654864d567817
SSDEEP

1536:Y2busqfcOZYTe23/kJ+rbLU8C3dbCab4mpcVM/d1pY6YnOc0CvvC4Gy:a5ekqL6bCaUMDknObs/Gy

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

rate-motel.gl.at.ply.gg:26173

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/908-1-0x0000000000EE0000-0x0000000000EF8000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2740	powershell.exe
2788	powershell.exe
2608	powershell.exe
1792	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SYSTEM.lnk	spoofer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SYSTEM.lnk	spoofer.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2740	powershell.exe
2788	powershell.exe
2608	powershell.exe
1792	powershell.exe
908	spoofer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	spoofer.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	2608	powershell.exe
Token: SeDebugPrivilege	1792	powershell.exe
Token: SeDebugPrivilege	908	spoofer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
908	spoofer.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2740	908	spoofer.exe	30
PID 908 wrote to memory of 2740	908	spoofer.exe	30
PID 908 wrote to memory of 2740	908	spoofer.exe	30
PID 908 wrote to memory of 2788	908	spoofer.exe	32
PID 908 wrote to memory of 2788	908	spoofer.exe	32
PID 908 wrote to memory of 2788	908	spoofer.exe	32
PID 908 wrote to memory of 2608	908	spoofer.exe	34
PID 908 wrote to memory of 2608	908	spoofer.exe	34
PID 908 wrote to memory of 2608	908	spoofer.exe	34
PID 908 wrote to memory of 1792	908	spoofer.exe	36
PID 908 wrote to memory of 1792	908	spoofer.exe	36
PID 908 wrote to memory of 1792	908	spoofer.exe	36

C:\Users\Admin\AppData\Local\Temp\spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\spoofer.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\spoofer.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'spoofer.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\SYSTEM'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2608
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SYSTEM'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
5405018bb5b14cd8490afdfbae76300e

SHA1
252eddbf4c7b599730402ea44354eb4b964c654d

SHA256
818ae7ea0dbe17ae7048dfb65f6635a0d21cbc050a42ef63cf20fedd1c29467b

SHA512
d7e334bc00d1f80bd4d89505dd3cb48f748de03ecebb3d775a50779394e6922d169593b0836f5986a6c4e084aca4978481437c4ebf4b981bedf13b5b1cd32849

Download Submit
memory/908-0-0x000007FEF5E93000-0x000007FEF5E94000-memory.dmp

Filesize
4KB

Download
memory/908-1-0x0000000000EE0000-0x0000000000EF8000-memory.dmp

Filesize
96KB

Download
memory/908-2-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

Filesize
9.9MB

Download
memory/908-28-0x000007FEF5E93000-0x000007FEF5E94000-memory.dmp

Filesize
4KB

Download
memory/908-33-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

Filesize
9.9MB

Download
memory/2740-7-0x0000000002970000-0x00000000029F0000-memory.dmp

Filesize
512KB

Download
memory/2740-8-0x000000001B610000-0x000000001B8F2000-memory.dmp

Filesize
2.9MB

Download
memory/2740-9-0x0000000001D90000-0x0000000001D98000-memory.dmp

Filesize
32KB

Download
memory/2788-15-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2788-16-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download

Analysis

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