xworm | 29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9

General

Target

29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe
Size

171KB
MD5

3962793abf417f180767e5657f8be0b1
SHA1

15b7f2cd937a6f910d64ec3c9ed82c9c84165bb2
SHA256

29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9
SHA512

735d24410d0ffc30471b1095b81efef0ea5a3c4bff7ed694ddea8f2335b57d16371a192792a72499cdf4f1443ac4ae077aee9b47806e01bdfe218346f527f625
SSDEEP

3072:+0UcTmkb2YldqUOcs7Bz65/M6If+3Js+3JFkKeTno:sglbHOxBt25

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

warning-found.gl.at.ply.gg:29902

Attributes

Install_directory
%AppData%
install_file
XClient.exe
telegram
https://api.telegram.org/bot7245901356:AAHYPFTv3LWcRGEqQpw-CbDblzq7UxWdbU8/sendMessage?chat_id=7538879815

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2944-1-0x0000000000950000-0x0000000000980000-memory.dmp	family_xworm
behavioral2/files/0x000c00000001e104-56.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
1700	powershell.exe
3180	powershell.exe
3912	powershell.exe
1332	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe

Executes dropped EXE 2 IoCs

pid	Process
1756	XClient.exe
3640	XClient.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
5068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1332	powershell.exe
1332	powershell.exe
1700	powershell.exe
1700	powershell.exe
3180	powershell.exe
3180	powershell.exe
3912	powershell.exe
3912	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe
Token: SeDebugPrivilege	1332	powershell.exe
Token: SeDebugPrivilege	1700	powershell.exe
Token: SeDebugPrivilege	3180	powershell.exe
Token: SeDebugPrivilege	3912	powershell.exe
Token: SeDebugPrivilege	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe
Token: SeDebugPrivilege	1756	XClient.exe
Token: SeDebugPrivilege	3640	XClient.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 1332	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	84
PID 2944 wrote to memory of 1332	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	84
PID 2944 wrote to memory of 1700	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	86
PID 2944 wrote to memory of 1700	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	86
PID 2944 wrote to memory of 3180	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	88
PID 2944 wrote to memory of 3180	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	88
PID 2944 wrote to memory of 3912	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	90
PID 2944 wrote to memory of 3912	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	90
PID 2944 wrote to memory of 5068	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	92
PID 2944 wrote to memory of 5068	2944	29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe	92

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\29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe
"C:\Users\Admin\AppData\Local\Temp\29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2944
- 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\29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1332
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  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\Roaming\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3180
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3912
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5068

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1756

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3640

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

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

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\XClient.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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
e60eb305a7b2d9907488068b7065abd3

SHA1
1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

SHA256
ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

SHA512
95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

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

Filesize
944B

MD5
e6d75ea0804f3349c98ab2a3697afbdf

SHA1
af630f0b13094907bed49473af6dedbf4aaf473e

SHA256
38bb07c6d1442786f683bd682224732f13226a1d3d81b37f32c49b1a943ce05b

SHA512
ec7256543d0aeb7f5430bef2352b3873c6c34a6069cb4d349385f14516143db12083b3b7af68c21023635f5a4dc6d5b2689a3c54df9c3cd9dadea47f3ce8f757

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_udn5i0ty.fb2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
171KB

MD5
3962793abf417f180767e5657f8be0b1

SHA1
15b7f2cd937a6f910d64ec3c9ed82c9c84165bb2

SHA256
29e6ce9c6fefbf33bc2dd3b46916280907c4fae8d8d8c15acd3436298e76d1b9

SHA512
735d24410d0ffc30471b1095b81efef0ea5a3c4bff7ed694ddea8f2335b57d16371a192792a72499cdf4f1443ac4ae077aee9b47806e01bdfe218346f527f625

Download Submit
memory/1332-12-0x00007FFBB54C0000-0x00007FFBB5F81000-memory.dmp

Filesize
10.8MB

Download
memory/1332-17-0x00007FFBB54C0000-0x00007FFBB5F81000-memory.dmp

Filesize
10.8MB

Download
memory/1332-14-0x00007FFBB54C0000-0x00007FFBB5F81000-memory.dmp

Filesize
10.8MB

Download
memory/1332-13-0x00007FFBB54C0000-0x00007FFBB5F81000-memory.dmp

Filesize
10.8MB

Download
memory/1332-2-0x000002A8696B0000-0x000002A8696D2000-memory.dmp

Filesize
136KB

Download
memory/2944-0-0x00007FFBB54C3000-0x00007FFBB54C5000-memory.dmp

Filesize
8KB

Download
memory/2944-53-0x00007FFBB54C3000-0x00007FFBB54C5000-memory.dmp

Filesize
8KB

Download
memory/2944-54-0x00007FFBB54C0000-0x00007FFBB5F81000-memory.dmp

Filesize
10.8MB

Download
memory/2944-55-0x00007FFBB54C0000-0x00007FFBB5F81000-memory.dmp

Filesize
10.8MB

Download
memory/2944-1-0x0000000000950000-0x0000000000980000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads