xworm | 07712414bdc55e8b60f9459cd358a09fed23c017a2ad96f641c59ebab40d8995

Analysis

max time kernel
30s
max time network
35s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
19-11-2024 14:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.exe
Size

90KB
MD5

b5e9d925a5cbc599a04462e05001f790
SHA1

599ab617d497cb99149ac5168c0cab402d5874d2
SHA256

07712414bdc55e8b60f9459cd358a09fed23c017a2ad96f641c59ebab40d8995
SHA512

e85a47fd15ec65fd1a4b59c42a431cebbace69596f131729e4467852e14e375810a10950f4124899c2251565acc41541033062b3f08d4e1f3f09a1960b6cd367
SSDEEP

1536:eCCCCCU1QhJtr2u5yzzRHdc9RkR3598k6Tv9aHwAZhVnudYsYxAOltnMo:Z9yzzVaRJXTv9gwUOE2mB

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

45.141.27.248:7777

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0028000000045079-12.dat	family_xworm
behavioral1/memory/5096-23-0x0000000000740000-0x0000000000758000-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
764	powershell.exe
4604	powershell.exe
1860	powershell.exe
4720	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3495501434-311648039-2993076821-1000\Control Panel\International\Geo\Nation	ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3495501434-311648039-2993076821-1000\Control Panel\International\Geo\Nation	svchost.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
5096	svchost.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-1-5-21-3495501434-311648039-2993076821-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	svchost.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
17	ip-api.com

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
1032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
764	powershell.exe
764	powershell.exe
4604	powershell.exe
4604	powershell.exe
1860	powershell.exe
1860	powershell.exe
4720	powershell.exe
4720	powershell.exe
5096	svchost.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5096	svchost.exe
Token: SeDebugPrivilege	764	powershell.exe
Token: SeIncreaseQuotaPrivilege	764	powershell.exe
Token: SeSecurityPrivilege	764	powershell.exe
Token: SeTakeOwnershipPrivilege	764	powershell.exe
Token: SeLoadDriverPrivilege	764	powershell.exe
Token: SeSystemProfilePrivilege	764	powershell.exe
Token: SeSystemtimePrivilege	764	powershell.exe
Token: SeProfSingleProcessPrivilege	764	powershell.exe
Token: SeIncBasePriorityPrivilege	764	powershell.exe
Token: SeCreatePagefilePrivilege	764	powershell.exe
Token: SeBackupPrivilege	764	powershell.exe
Token: SeRestorePrivilege	764	powershell.exe
Token: SeShutdownPrivilege	764	powershell.exe
Token: SeDebugPrivilege	764	powershell.exe
Token: SeSystemEnvironmentPrivilege	764	powershell.exe
Token: SeRemoteShutdownPrivilege	764	powershell.exe
Token: SeUndockPrivilege	764	powershell.exe
Token: SeManageVolumePrivilege	764	powershell.exe
Token: 33	764	powershell.exe
Token: 34	764	powershell.exe
Token: 35	764	powershell.exe
Token: 36	764	powershell.exe
Token: SeDebugPrivilege	4604	powershell.exe
Token: SeIncreaseQuotaPrivilege	4604	powershell.exe
Token: SeSecurityPrivilege	4604	powershell.exe
Token: SeTakeOwnershipPrivilege	4604	powershell.exe
Token: SeLoadDriverPrivilege	4604	powershell.exe
Token: SeSystemProfilePrivilege	4604	powershell.exe
Token: SeSystemtimePrivilege	4604	powershell.exe
Token: SeProfSingleProcessPrivilege	4604	powershell.exe
Token: SeIncBasePriorityPrivilege	4604	powershell.exe
Token: SeCreatePagefilePrivilege	4604	powershell.exe
Token: SeBackupPrivilege	4604	powershell.exe
Token: SeRestorePrivilege	4604	powershell.exe
Token: SeShutdownPrivilege	4604	powershell.exe
Token: SeDebugPrivilege	4604	powershell.exe
Token: SeSystemEnvironmentPrivilege	4604	powershell.exe
Token: SeRemoteShutdownPrivilege	4604	powershell.exe
Token: SeUndockPrivilege	4604	powershell.exe
Token: SeManageVolumePrivilege	4604	powershell.exe
Token: 33	4604	powershell.exe
Token: 34	4604	powershell.exe
Token: 35	4604	powershell.exe
Token: 36	4604	powershell.exe
Token: SeDebugPrivilege	1860	powershell.exe
Token: SeIncreaseQuotaPrivilege	1860	powershell.exe
Token: SeSecurityPrivilege	1860	powershell.exe
Token: SeTakeOwnershipPrivilege	1860	powershell.exe
Token: SeLoadDriverPrivilege	1860	powershell.exe
Token: SeSystemProfilePrivilege	1860	powershell.exe
Token: SeSystemtimePrivilege	1860	powershell.exe
Token: SeProfSingleProcessPrivilege	1860	powershell.exe
Token: SeIncBasePriorityPrivilege	1860	powershell.exe
Token: SeCreatePagefilePrivilege	1860	powershell.exe
Token: SeBackupPrivilege	1860	powershell.exe
Token: SeRestorePrivilege	1860	powershell.exe
Token: SeShutdownPrivilege	1860	powershell.exe
Token: SeDebugPrivilege	1860	powershell.exe
Token: SeSystemEnvironmentPrivilege	1860	powershell.exe
Token: SeRemoteShutdownPrivilege	1860	powershell.exe
Token: SeUndockPrivilege	1860	powershell.exe
Token: SeManageVolumePrivilege	1860	powershell.exe
Token: 33	1860	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5096	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 4780	1668	ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.exe	81
PID 1668 wrote to memory of 4780	1668	ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.exe	81
PID 1668 wrote to memory of 5096	1668	ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.exe	83
PID 1668 wrote to memory of 5096	1668	ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.exe	83
PID 4780 wrote to memory of 540	4780	cmd.exe	84
PID 4780 wrote to memory of 540	4780	cmd.exe	84
PID 4780 wrote to memory of 5188	4780	cmd.exe	85
PID 4780 wrote to memory of 5188	4780	cmd.exe	85
PID 4780 wrote to memory of 5124	4780	cmd.exe	86
PID 4780 wrote to memory of 5124	4780	cmd.exe	86
PID 5096 wrote to memory of 764	5096	svchost.exe	92
PID 5096 wrote to memory of 764	5096	svchost.exe	92
PID 5096 wrote to memory of 4604	5096	svchost.exe	95
PID 5096 wrote to memory of 4604	5096	svchost.exe	95
PID 5096 wrote to memory of 1860	5096	svchost.exe	97
PID 5096 wrote to memory of 1860	5096	svchost.exe	97
PID 5096 wrote to memory of 4720	5096	svchost.exe	99
PID 5096 wrote to memory of 4720	5096	svchost.exe	99
PID 5096 wrote to memory of 1032	5096	svchost.exe	102
PID 5096 wrote to memory of 1032	5096	svchost.exe	102
PID 4780 wrote to memory of 1680	4780	cmd.exe	107
PID 4780 wrote to memory of 1680	4780	cmd.exe	107
PID 4780 wrote to memory of 5500	4780	cmd.exe	108
PID 4780 wrote to memory of 5500	4780	cmd.exe	108

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\ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.exe
"C:\Users\Admin\AppData\Local\Temp\ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\3. ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4780
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "prompt #$H#$E# & echo on & for %b in (1) do rem"
    3⤵
    PID:540
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:5188
- - C:\Windows\system32\mode.com
    mode 103,5
    3⤵
    PID:5124
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:1680
- - C:\Windows\system32\mode.com
    mode 120,17
    3⤵
    PID:5500
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5096
- - 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\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:764
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4604
- - 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\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1860
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:4720
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
6a807b1c91ac66f33f88a787d64904c1

SHA1
83c554c7de04a8115c9005709e5cd01fca82c5d3

SHA256
155314c1c86d8d4e5b802f1eef603c5dd4a2f7c949f069a38af5ba4959bd8256

SHA512
29f2d9f30fc081e7fe6e9fb772c810c9be0422afdc6aff5a286f49a990ededebcf0d083798c2d9f41ad8434393c6d0f5fa6df31226d9c3511ba2a41eb4a65200

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

Filesize
1KB

MD5
1add983babb1a08c6bf69d4b6e333222

SHA1
479c1d808e29d18df72533636f6f6f91b9dac81b

SHA256
294c66949e7ed8e1e8070e894628de249cb90f1e45f6a6ea32c0b38a550802b1

SHA512
d2791df10ae777600349f970cc9612d6f9e96b61af66376df759d4a64197a87b023bc48162a0606fcdb4fd608713b9b6d18f19f773b3c26a15ab462a153a4194

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

Filesize
1KB

MD5
9dbcd66106ed9bf757e7a5e5c1b5c338

SHA1
e68b417d1c65bc72b50788ddd787e41e9b91a821

SHA256
8679495b0973437a34da326438cbbe92f829487d4be55b626d728950c9a38a95

SHA512
a428650697a00a44e7e368dfe9a486cbf83a94e33c0f2fcd2c319d9c4edad766bb8e3580d9472c3ef0aa743455ba026c4a6073a4eb5efa49c5106608918d174d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4aq2yldf.en2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\3. ลบประวัติรัน ใส่ไว้ในคอมลูกค้าได้เลย.bat

Filesize
5KB

MD5
1a29286ae9d746284b195a34811f5e89

SHA1
2418da95e35c84e8b922cd6c525463bab7e43a06

SHA256
061d3b55f7cfd4bd35e48768fb993a1444d5ed4990cda5ef813220715325f630

SHA512
370288124edecdfb611d65b93f2ed9c0205299653a0819d351b226a595c4a4fda636c50444d3bac2c43c4678119cf53b7c9e5d1bc69f16452be16eb720b90c07

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
73KB

MD5
34355faf2f7affeb96060d1732c533dc

SHA1
8118303c97aec8226a92eab831427266d511e036

SHA256
ba3fa9c54316aa820f99d8416d0c61f88b311d31304c44b85dd678d21d5bda28

SHA512
3686c618a100b988fe65dc024c912b27ab30f7f362fa0ea31260d1e815b52ff0d4457cc5c884ff251aae4acb855e86347f28efb39c5d08497b0d3533348ffa9b

Download Submit
memory/764-38-0x0000020AE0E30000-0x0000020AE104D000-memory.dmp

Filesize
2.1MB

Download
memory/764-35-0x0000020AC88B0000-0x0000020AC88D2000-memory.dmp

Filesize
136KB

Download
memory/1668-0-0x00007FFF2A3B3000-0x00007FFF2A3B5000-memory.dmp

Filesize
8KB

Download
memory/1668-1-0x0000000000410000-0x000000000042C000-memory.dmp

Filesize
112KB

Download
memory/4604-51-0x00000280D6150000-0x00000280D636D000-memory.dmp

Filesize
2.1MB

Download
memory/4720-74-0x000001BB394E0000-0x000001BB396FD000-memory.dmp

Filesize
2.1MB

Download
memory/5096-24-0x00007FFF2A3B0000-0x00007FFF2AE72000-memory.dmp

Filesize
10.8MB

Download
memory/5096-23-0x0000000000740000-0x0000000000758000-memory.dmp

Filesize
96KB

Download
memory/5096-76-0x00007FFF2A3B0000-0x00007FFF2AE72000-memory.dmp

Filesize
10.8MB

Download