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 2 IoCs

resource	yara_rule
behavioral2/memory/4064-1-0x00000000008B0000-0x00000000008C8000-memory.dmp	family_xworm
behavioral2/files/0x000f000000023b6f-59.dat	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
3532	powershell.exe
5112	powershell.exe
2228	powershell.exe
1536	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Terraria-Multiplayer-Fix-Online.lnk	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe
File created	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
3180	Terraria-Multiplayer-Fix-Online.exe
696	Terraria-Multiplayer-Fix-Online.exe
4748	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-1-5-21-3350944739-639801879-157714471-1000\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
4532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3532	powershell.exe
3532	powershell.exe
5112	powershell.exe
5112	powershell.exe
5112	powershell.exe
2228	powershell.exe
2228	powershell.exe
1536	powershell.exe
1536	powershell.exe
4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe
Token: SeDebugPrivilege	3532	powershell.exe
Token: SeDebugPrivilege	5112	powershell.exe
Token: SeDebugPrivilege	2228	powershell.exe
Token: SeDebugPrivilege	1536	powershell.exe
Token: SeDebugPrivilege	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe
Token: SeDebugPrivilege	3180	Terraria-Multiplayer-Fix-Online.exe
Token: SeDebugPrivilege	696	Terraria-Multiplayer-Fix-Online.exe
Token: SeDebugPrivilege	4748	Terraria-Multiplayer-Fix-Online.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 3532	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	90
PID 4064 wrote to memory of 3532	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	90
PID 4064 wrote to memory of 5112	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	94
PID 4064 wrote to memory of 5112	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	94
PID 4064 wrote to memory of 2228	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	96
PID 4064 wrote to memory of 2228	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	96
PID 4064 wrote to memory of 1536	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	98
PID 4064 wrote to memory of 1536	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	98
PID 4064 wrote to memory of 4532	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	102
PID 4064 wrote to memory of 4532	4064	f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3.exe	102

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⤵
- Checks computer location settings
- 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:4064
- 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:3532
- 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:5112
- 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:2228
- 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:1536
- 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:4532

C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3180

C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:696

C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
C:\Users\Admin\AppData\Local\Terraria-Multiplayer-Fix-Online.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4748

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

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Terraria-Multiplayer-Fix-Online.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6eb4ee3f6fff9069b68a3448005c2c3a

SHA1
b439e804bbc0a8cbb709bef26030fe0e4a15d479

SHA256
df24b1fd9e4aabb1eea401331a9bb776ecb04cf7e639480ee8788f45da7245b1

SHA512
c96496b93568eb47a3e89f0281854e83523e7e8d793701b1e85f3e62ecaef7c705627ff6e64a67c818ff99832b8e50fd93766553e80c077730221b5ebe15c1c3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
3505effaead0f06d098f1aec01836881

SHA1
94bafdbeb2f5adbd8cec709574df5b8dbcc5eba3

SHA256
5d39a25ff8842c7c14aa14f99c5e3e1606fb7516c57f03dc41069df3c3de0517

SHA512
934d8eab5bc2ec20e800c668f3c3434829feade4771918a22d712f7ba39f91f93877a1e9dc1beac966646af0c9dd2cf118041535143b3abc585fea8dfb1299f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zjplqqbx.vya.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
69KB

MD5
d7e7388184d510f7fd4acc4cae6dc66e

SHA1
b6e6818288c1147aa34fed53cc0f4252c0d5d8b4

SHA256
f265d5394e8484ac12325631b752721a140091546c0aead0d6139e8ca4376cf3

SHA512
cf6e7f7b707bec6e951cdfef846b66a56579f4610a2889746fe6ba8b4166055f202f5d4eeaa56fa8a3e5e5c86f9996b25292d22feebc24584f0ba405e24d4990

Download Submit
memory/3532-12-0x00007FFAAC310000-0x00007FFAACDD1000-memory.dmp

Filesize
10.8MB

Download
memory/3532-17-0x00007FFAAC310000-0x00007FFAACDD1000-memory.dmp

Filesize
10.8MB

Download
memory/3532-14-0x00007FFAAC310000-0x00007FFAACDD1000-memory.dmp

Filesize
10.8MB

Download
memory/3532-13-0x00007FFAAC310000-0x00007FFAACDD1000-memory.dmp

Filesize
10.8MB

Download
memory/3532-11-0x00000239714D0000-0x00000239714F2000-memory.dmp

Filesize
136KB

Download
memory/4064-0-0x00007FFAAC313000-0x00007FFAAC315000-memory.dmp

Filesize
8KB

Download
memory/4064-56-0x00007FFAAC313000-0x00007FFAAC315000-memory.dmp

Filesize
8KB

Download
memory/4064-57-0x00007FFAAC310000-0x00007FFAACDD1000-memory.dmp

Filesize
10.8MB

Download
memory/4064-58-0x00007FFAAC310000-0x00007FFAACDD1000-memory.dmp

Filesize
10.8MB

Download
memory/4064-1-0x00000000008B0000-0x00000000008C8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads