xworm | ed83e0889ed251a46197ea2877dc74957a67551f746d64cda4dbd870b883db1d

General

Target

N2COB_Excellent2.0.exe
Size

69KB
MD5

5d37e31fe1b07076f070f06d7a2cf9fb
SHA1

b0731819832701056f1799ee1f52a222fcb93b65
SHA256

ed83e0889ed251a46197ea2877dc74957a67551f746d64cda4dbd870b883db1d
SHA512

fc7313180542fa84e0e3727f8692a42c4e2e2e10586dc7bd918dbe40450cb525e1b1e3e2043a745da7d5bee60310edcf817a889de38eeae4f815588083dd2d5d
SSDEEP

1536:EZjRQtLD7nNd0K1Pz3NmG6kF+b1Wm7bc6JOyTjfhk:GWLD7TPb4G6kF+b1Z7jOyXfhk

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

develop-transition.gl.at.ply.gg:40000

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2252-1-0x0000000000CE0000-0x0000000000CF8000-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
1232	powershell.exe
2840	powershell.exe
2876	powershell.exe
2588	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	N2COB_Excellent2.0.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	N2COB_Excellent2.0.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	N2COB_Excellent2.0.exe

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
2840	powershell.exe
2876	powershell.exe
2588	powershell.exe
1232	powershell.exe
2252	N2COB_Excellent2.0.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	N2COB_Excellent2.0.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2876	powershell.exe
Token: SeDebugPrivilege	2588	powershell.exe
Token: SeDebugPrivilege	1232	powershell.exe
Token: SeDebugPrivilege	2252	N2COB_Excellent2.0.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2252	N2COB_Excellent2.0.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2840	2252	N2COB_Excellent2.0.exe	30
PID 2252 wrote to memory of 2840	2252	N2COB_Excellent2.0.exe	30
PID 2252 wrote to memory of 2840	2252	N2COB_Excellent2.0.exe	30
PID 2252 wrote to memory of 2876	2252	N2COB_Excellent2.0.exe	32
PID 2252 wrote to memory of 2876	2252	N2COB_Excellent2.0.exe	32
PID 2252 wrote to memory of 2876	2252	N2COB_Excellent2.0.exe	32
PID 2252 wrote to memory of 2588	2252	N2COB_Excellent2.0.exe	34
PID 2252 wrote to memory of 2588	2252	N2COB_Excellent2.0.exe	34
PID 2252 wrote to memory of 2588	2252	N2COB_Excellent2.0.exe	34
PID 2252 wrote to memory of 1232	2252	N2COB_Excellent2.0.exe	36
PID 2252 wrote to memory of 1232	2252	N2COB_Excellent2.0.exe	36
PID 2252 wrote to memory of 1232	2252	N2COB_Excellent2.0.exe	36

C:\Users\Admin\AppData\Local\Temp\N2COB_Excellent2.0.exe
"C:\Users\Admin\AppData\Local\Temp\N2COB_Excellent2.0.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:2252
- 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\N2COB_Excellent2.0.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2840
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'N2COB_Excellent2.0.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- 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:2588
- 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:1232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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
0c38431e431b9bc8bb85b9e41651938a

SHA1
7539035b7c89c89f32e34784280e64aee36df3d5

SHA256
2c79f70291658df61092543fa5da46631127546c435bf9900fb06e2bdb103865

SHA512
ec64f5222eeab408f0988ee3d88fb17ba9e713ff60744e28084c03048a2a83cb6c232faff0f01df118dc8ba73fb3315b987c34ee9d02be5cf0c44c1785b35194

Download Submit
memory/2252-0-0x000007FEF6163000-0x000007FEF6164000-memory.dmp

Filesize
4KB

Download
memory/2252-1-0x0000000000CE0000-0x0000000000CF8000-memory.dmp

Filesize
96KB

Download
memory/2252-2-0x000007FEF6163000-0x000007FEF6164000-memory.dmp

Filesize
4KB

Download
memory/2252-31-0x000000001ABF0000-0x000000001AC70000-memory.dmp

Filesize
512KB

Download
memory/2840-7-0x0000000002890000-0x0000000002910000-memory.dmp

Filesize
512KB

Download
memory/2840-8-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/2840-9-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2876-16-0x0000000002050000-0x0000000002058000-memory.dmp

Filesize
32KB

Download
memory/2876-15-0x000000001B770000-0x000000001BA52000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads