xworm | f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3

General

Target

f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe
Size

69KB
MD5

d7e7388184d510f7fd4acc4cae6dc66e
SHA1

b6e6818288c1147aa34fed53cc0f4252c0d5d8b4
SHA256

f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3
SHA512

cf6e7f7b707bec6e951cdfef846b66a56579f4610a2889746fe6ba8b4166055f202f5d4eeaa56fa8a3e5e5c86f9996b25292d22feebc24584f0ba405e24d4990
SSDEEP

1536:ScUBiTPLsrbxBzIC+baTscF5gp6mdkWOlB5LzIWsKi:RTQxBh+bSrmpdNOlBVsWpi

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

sound-vietnam.gl.at.ply.gg:52575

Attributes

Install_directory
%LocalAppData%
install_file
Terraria-Multiplayer-Fix-Online.exe

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1700-1-0x0000000000E70000-0x0000000000E88000-memory.dmp	family_xworm
behavioral1/files/0x000d000000012280-34.dat	family_xworm
behavioral1/memory/1644-36-0x0000000000120000-0x0000000000138000-memory.dmp	family_xworm
behavioral1/memory/1296-39-0x0000000000C90000-0x0000000000CA8000-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
1656	powershell.exe
1288	powershell.exe
2692	powershell.exe
1776	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Terraria-Multiplayer-Fix-Online.lnk	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Terraria-Multiplayer-Fix-Online.lnk	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe

Executes dropped EXE 3 IoCs

pid	Process
1644	Terraria-Multiplayer-Fix-Online.exe
1296	Terraria-Multiplayer-Fix-Online.exe
1604	Terraria-Multiplayer-Fix-Online.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Terraria-Multiplayer-Fix-Online = "C:\\Users\\Admin\\AppData\\Local\\Terraria-Multiplayer-Fix-Online.exe"	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2696	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1776	powershell.exe
1656	powershell.exe
1288	powershell.exe
2692	powershell.exe
1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe
Token: SeDebugPrivilege	1776	powershell.exe
Token: SeDebugPrivilege	1656	powershell.exe
Token: SeDebugPrivilege	1288	powershell.exe
Token: SeDebugPrivilege	2692	powershell.exe
Token: SeDebugPrivilege	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe
Token: SeDebugPrivilege	1644	Terraria-Multiplayer-Fix-Online.exe
Token: SeDebugPrivilege	1296	Terraria-Multiplayer-Fix-Online.exe
Token: SeDebugPrivilege	1604	Terraria-Multiplayer-Fix-Online.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1776	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	30
PID 1700 wrote to memory of 1776	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	30
PID 1700 wrote to memory of 1776	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	30
PID 1700 wrote to memory of 1656	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	32
PID 1700 wrote to memory of 1656	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	32
PID 1700 wrote to memory of 1656	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	32
PID 1700 wrote to memory of 1288	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	34
PID 1700 wrote to memory of 1288	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	34
PID 1700 wrote to memory of 1288	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	34
PID 1700 wrote to memory of 2692	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	36
PID 1700 wrote to memory of 2692	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	36
PID 1700 wrote to memory of 2692	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	36
PID 1700 wrote to memory of 2696	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	38
PID 1700 wrote to memory of 2696	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	38
PID 1700 wrote to memory of 2696	1700	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	38
PID 2972 wrote to memory of 1644	2972	taskeng.exe	42
PID 2972 wrote to memory of 1644	2972	taskeng.exe	42
PID 2972 wrote to memory of 1644	2972	taskeng.exe	42
PID 2972 wrote to memory of 1296	2972	taskeng.exe	43
PID 2972 wrote to memory of 1296	2972	taskeng.exe	43
PID 2972 wrote to memory of 1296	2972	taskeng.exe	43
PID 2972 wrote to memory of 1604	2972	taskeng.exe	44
PID 2972 wrote to memory of 1604	2972	taskeng.exe	44
PID 2972 wrote to memory of 1604	2972	taskeng.exe	44

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe
"C:\Users\Admin\AppData\Local\Temp\f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1700
- 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\f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1776
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1656
- 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\Terraria-Multiplayer-Fix-Online.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1288
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Terraria-Multiplayer-Fix-Online.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2692
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Terraria-Multiplayer-Fix-Online" /tr "C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2696

C:\Windows\system32\taskeng.exe
taskeng.exe {D5CD21C1-6C9E-47BE-8BBD-3A6139DF2EF3} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
  C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1644
- C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
  C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1296
- C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
  C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe

Filesize
69KB

MD5
d7e7388184d510f7fd4acc4cae6dc66e

SHA1
b6e6818288c1147aa34fed53cc0f4252c0d5d8b4

SHA256
f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3

SHA512
cf6e7f7b707bec6e951cdfef846b66a56579f4610a2889746fe6ba8b4166055f202f5d4eeaa56fa8a3e5e5c86f9996b25292d22feebc24584f0ba405e24d4990

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

Filesize
7KB

MD5
cdedc5012a761d66a242ac85323c54e1

SHA1
ad28a1e93fe05938775f086f7efd9e57c9f1330d

SHA256
3a3c6d36919f368e7007b4684c71299581196c82a98a66678e8e4296ef40ac06

SHA512
cee107b66ff89ff130f8949d572b8db8aa473c7a74f12c12b34a384a4806961e5a8f81fd6f9f0c697ed32e7f969707038de95c21b17410d565d86508eed3775a

Download Submit
memory/1296-39-0x0000000000C90000-0x0000000000CA8000-memory.dmp

Filesize
96KB

Download
memory/1644-36-0x0000000000120000-0x0000000000138000-memory.dmp

Filesize
96KB

Download
memory/1656-15-0x0000000002890000-0x0000000002898000-memory.dmp

Filesize
32KB

Download
memory/1656-14-0x000000001B580000-0x000000001B862000-memory.dmp

Filesize
2.9MB

Download
memory/1700-31-0x000000001B2B0000-0x000000001B330000-memory.dmp

Filesize
512KB

Download
memory/1700-0-0x000007FEF5A93000-0x000007FEF5A94000-memory.dmp

Filesize
4KB

Download
memory/1700-32-0x000000001B2B0000-0x000000001B330000-memory.dmp

Filesize
512KB

Download
memory/1700-1-0x0000000000E70000-0x0000000000E88000-memory.dmp

Filesize
96KB

Download
memory/1776-7-0x000000001B450000-0x000000001B732000-memory.dmp

Filesize
2.9MB

Download
memory/1776-8-0x00000000026A0000-0x00000000026A8000-memory.dmp

Filesize
32KB

Download
memory/1776-6-0x0000000002940000-0x00000000029C0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads