xworm | a658cb39f6346cb2150f88982501a607d1f01c4f8ffad1a4a0e550693ad21db9

General

Target

KRX обновленная версия/Krx Обновленная версия.exe
Size

65KB
MD5

e7a6ec69e6bed73ec2c858f202679444
SHA1

c65b59c8251101b5737bee8ec83737ee43c2c481
SHA256

20fbb2958861b7b995343c13b41f6eb058e812463afc080e61af4d317b132223
SHA512

426d29fb4b936be161f5da8ed9f625afc7cf9c7c29da3c13c6b681d4fde7c1b8983f16c43d13e4b91547258cf682bf65aeddec2f64bb7b777d8c15b3c408a19b
SSDEEP

1536:RfrO2VZW+wFw/G0OpsouwMjW+bY1OIaBl62kvOKCpVd/wQqnF:5rOpwWMK+bYekvOKCbd/vAF

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:56384

22.ip.gl.ply.gg:56384

Attributes

Install_directory
%AppData%
install_file
System.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1716-1-0x0000000000B40000-0x0000000000B56000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
1344	powershell.exe
2508	powershell.exe
2636	powershell.exe
2668	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.lnk	Krx Обновленная версия.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.lnk	Krx Обновленная версия.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Users\\Admin\\AppData\\Roaming\\System.exe"	Krx Обновленная версия.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
1344	powershell.exe
2508	powershell.exe
2636	powershell.exe
2668	powershell.exe
1716	Krx Обновленная версия.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	Krx Обновленная версия.exe
Token: SeDebugPrivilege	1344	powershell.exe
Token: SeDebugPrivilege	2508	powershell.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	1716	Krx Обновленная версия.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1716	Krx Обновленная версия.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1344	1716	Krx Обновленная версия.exe	28
PID 1716 wrote to memory of 1344	1716	Krx Обновленная версия.exe	28
PID 1716 wrote to memory of 1344	1716	Krx Обновленная версия.exe	28
PID 1716 wrote to memory of 2508	1716	Krx Обновленная версия.exe	30
PID 1716 wrote to memory of 2508	1716	Krx Обновленная версия.exe	30
PID 1716 wrote to memory of 2508	1716	Krx Обновленная версия.exe	30
PID 1716 wrote to memory of 2636	1716	Krx Обновленная версия.exe	32
PID 1716 wrote to memory of 2636	1716	Krx Обновленная версия.exe	32
PID 1716 wrote to memory of 2636	1716	Krx Обновленная версия.exe	32
PID 1716 wrote to memory of 2668	1716	Krx Обновленная версия.exe	34
PID 1716 wrote to memory of 2668	1716	Krx Обновленная версия.exe	34
PID 1716 wrote to memory of 2668	1716	Krx Обновленная версия.exe	34

C:\Users\Admin\AppData\Local\Temp\KRX обновленная версия\Krx Обновленная версия.exe
"C:\Users\Admin\AppData\Local\Temp\KRX обновленная версия\Krx Обновленная версия.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:1716
- 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\KRX обновленная версия\Krx Обновленная версия.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1344
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Krx Обновленная версия.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2508
- 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\System.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2636
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'System.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2668

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\DXRCOKMZZCETLC7LIEAV.temp

Filesize
7KB

MD5
568145b49c34fb305b074ed8d4c8c6d3

SHA1
6e84ad44d673350bf7d45a1419291bdcd3b9963a

SHA256
d6729a4cadb34f2ba2d62c5352f65ceae4e2d5079bcff21b883524fc3551e6fe

SHA512
5d40f20c12169aade178c9f48ea2ca47602012d30edf7a13afecc27bd7c18143ebb677fe8a6236547f548a8be39766be7f8150cc700b81b3f75646f4c96e64ad

Download Submit
memory/1344-6-0x0000000002E90000-0x0000000002F10000-memory.dmp

Filesize
512KB

Download
memory/1344-7-0x000000001B7B0000-0x000000001BA92000-memory.dmp

Filesize
2.9MB

Download
memory/1344-8-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download
memory/1716-0-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

Filesize
4KB

Download
memory/1716-1-0x0000000000B40000-0x0000000000B56000-memory.dmp

Filesize
88KB

Download
memory/1716-31-0x000000001B390000-0x000000001B410000-memory.dmp

Filesize
512KB

Download
memory/1716-32-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

Filesize
4KB

Download
memory/1716-33-0x000000001B390000-0x000000001B410000-memory.dmp

Filesize
512KB

Download
memory/2508-14-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/2508-15-0x0000000001E90000-0x0000000001E98000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads