xworm | 76e2288825cf5185b61022a16fcddd285c51eda1cbe32d62f658d277b24f378b

General

Target

Excellent2.0.exe
Size

61KB
MD5

b5cb5c0b4b3f5bbf0056a7abcd2574f9
SHA1

681b26cbbb2b290aa94a93523bc5e9960c72c538
SHA256

76e2288825cf5185b61022a16fcddd285c51eda1cbe32d62f658d277b24f378b
SHA512

9340e7f9c03597f3eb9e6f9eaa457959289aac0f6e6b969e457e7290a215de0a318ab194ffaf3d4d8929e905055e2b1c352fe8fea3e2dccc0824b556ade66c5f
SSDEEP

1536:ochGo/XyaRwm5I/QZyR3+bRo8DeLw6gOMdbLyRhk:o2qmbq3+bRo5uO8buRhk

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

all-advocacy.gl.at.ply.gg:33270

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2340-1-0x0000000001130000-0x0000000001146000-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
2372	powershell.exe
2696	powershell.exe
2596	powershell.exe
2760	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	Excellent2.0.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	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
2372	powershell.exe
2696	powershell.exe
2596	powershell.exe
2760	powershell.exe
2340	Excellent2.0.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	Excellent2.0.exe
Token: SeDebugPrivilege	2372	powershell.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2340	Excellent2.0.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2340	Excellent2.0.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2372	2340	Excellent2.0.exe	31
PID 2340 wrote to memory of 2372	2340	Excellent2.0.exe	31
PID 2340 wrote to memory of 2372	2340	Excellent2.0.exe	31
PID 2340 wrote to memory of 2696	2340	Excellent2.0.exe	33
PID 2340 wrote to memory of 2696	2340	Excellent2.0.exe	33
PID 2340 wrote to memory of 2696	2340	Excellent2.0.exe	33
PID 2340 wrote to memory of 2596	2340	Excellent2.0.exe	35
PID 2340 wrote to memory of 2596	2340	Excellent2.0.exe	35
PID 2340 wrote to memory of 2596	2340	Excellent2.0.exe	35
PID 2340 wrote to memory of 2760	2340	Excellent2.0.exe	37
PID 2340 wrote to memory of 2760	2340	Excellent2.0.exe	37
PID 2340 wrote to memory of 2760	2340	Excellent2.0.exe	37

C:\Users\Admin\AppData\Local\Temp\Excellent2.0.exe
"C:\Users\Admin\AppData\Local\Temp\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:2340
- 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\Excellent2.0.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2372
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Excellent2.0.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- 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:2596
- 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:2760

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
1d7694b5f6515aba9421f2596b72615a

SHA1
db7cc186110c1e208e71c980295fb20341201035

SHA256
6606dc9a1219370972ed8f2acdc29d2412ec2a216bafab327c8694ffaed5efe4

SHA512
2980fc8fdd6fe78a4a92b23e980328b91630e2491a1fd5108f2c35ad4c10ff609e2ef33b7974ef2e98e24e90659ff108516aaad285dff4d360cb5fa7d15eefb4

Download Submit
memory/2340-0-0x000007FEF6113000-0x000007FEF6114000-memory.dmp

Filesize
4KB

Download
memory/2340-1-0x0000000001130000-0x0000000001146000-memory.dmp

Filesize
88KB

Download
memory/2340-2-0x000007FEF6113000-0x000007FEF6114000-memory.dmp

Filesize
4KB

Download
memory/2340-33-0x00000000003D0000-0x0000000000450000-memory.dmp

Filesize
512KB

Download
memory/2340-34-0x00000000003D0000-0x0000000000450000-memory.dmp

Filesize
512KB

Download
memory/2372-7-0x0000000002BF0000-0x0000000002C70000-memory.dmp

Filesize
512KB

Download
memory/2372-8-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

Filesize
2.9MB

Download
memory/2372-9-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2696-15-0x000000001B760000-0x000000001BA42000-memory.dmp

Filesize
2.9MB

Download
memory/2696-16-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads