xworm | 621278f6f2d263419d69187282d006e8f81afd73bdd75a39880d01d37bf0bbaf

General

Target

ApplicationFramHost.exe
Size

77KB
MD5

67c7fe1635180abaa9c88940d61bb20a
SHA1

addc53c2291b8a3d17b3668600b8257fef496989
SHA256

621278f6f2d263419d69187282d006e8f81afd73bdd75a39880d01d37bf0bbaf
SHA512

9b19f62ea458345a5d2d7ebb4d22a413996b502619466b1d3eaed0f92b35af91650cddd9ffdb397f8ed4558a09c44ce424d344c1f4102543934b651d103c40fc
SSDEEP

1536:u58tFnhxOx9v5vEv9t0bz9H2dhE6XDBO8YxHMQuhWy+R:i8tVh+vNEv9+bzmOvxHMLwbR

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

forums-advancement.gl.at.ply.gg:58291

Attributes

Install_directory
%Temp%
install_file
1336ffb22842d595e7ee3602982.exe

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2516-1-0x0000000000FC0000-0x0000000000FDA000-memory.dmp	family_xworm
behavioral1/files/0x000a000000016d46-35.dat	family_xworm
behavioral1/memory/2368-37-0x00000000009E0000-0x00000000009FA000-memory.dmp	family_xworm
behavioral1/memory/1748-39-0x0000000001000000-0x000000000101A000-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
2612	powershell.exe
872	powershell.exe
2844	powershell.exe
2252	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1336ffb22842d595e7ee3602982.lnk	ApplicationFramHost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1336ffb22842d595e7ee3602982.lnk	ApplicationFramHost.exe

Executes dropped EXE 2 IoCs

pid	Process
2368	1336ffb22842d595e7ee3602982.exe
1748	1336ffb22842d595e7ee3602982.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\1336ffb22842d595e7ee3602982 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1336ffb22842d595e7ee3602982.exe"	ApplicationFramHost.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

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
1020	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
872	powershell.exe
2844	powershell.exe
2252	powershell.exe
2612	powershell.exe
2516	ApplicationFramHost.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	ApplicationFramHost.exe
Token: SeDebugPrivilege	872	powershell.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeDebugPrivilege	2252	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	2516	ApplicationFramHost.exe
Token: SeDebugPrivilege	2368	1336ffb22842d595e7ee3602982.exe
Token: SeDebugPrivilege	1748	1336ffb22842d595e7ee3602982.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2516	ApplicationFramHost.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 872	2516	ApplicationFramHost.exe	32
PID 2516 wrote to memory of 872	2516	ApplicationFramHost.exe	32
PID 2516 wrote to memory of 872	2516	ApplicationFramHost.exe	32
PID 2516 wrote to memory of 2844	2516	ApplicationFramHost.exe	34
PID 2516 wrote to memory of 2844	2516	ApplicationFramHost.exe	34
PID 2516 wrote to memory of 2844	2516	ApplicationFramHost.exe	34
PID 2516 wrote to memory of 2252	2516	ApplicationFramHost.exe	36
PID 2516 wrote to memory of 2252	2516	ApplicationFramHost.exe	36
PID 2516 wrote to memory of 2252	2516	ApplicationFramHost.exe	36
PID 2516 wrote to memory of 2612	2516	ApplicationFramHost.exe	38
PID 2516 wrote to memory of 2612	2516	ApplicationFramHost.exe	38
PID 2516 wrote to memory of 2612	2516	ApplicationFramHost.exe	38
PID 2516 wrote to memory of 1020	2516	ApplicationFramHost.exe	40
PID 2516 wrote to memory of 1020	2516	ApplicationFramHost.exe	40
PID 2516 wrote to memory of 1020	2516	ApplicationFramHost.exe	40
PID 1728 wrote to memory of 2368	1728	taskeng.exe	43
PID 1728 wrote to memory of 2368	1728	taskeng.exe	43
PID 1728 wrote to memory of 2368	1728	taskeng.exe	43
PID 1728 wrote to memory of 1748	1728	taskeng.exe	44
PID 1728 wrote to memory of 1748	1728	taskeng.exe	44
PID 1728 wrote to memory of 1748	1728	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\ApplicationFramHost.exe
"C:\Users\Admin\AppData\Local\Temp\ApplicationFramHost.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:2516
- 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\ApplicationFramHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:872
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ApplicationFramHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- 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\1336ffb22842d595e7ee3602982.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2252
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '1336ffb22842d595e7ee3602982.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "1336ffb22842d595e7ee3602982" /tr "C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1020

C:\Windows\system32\taskeng.exe
taskeng.exe {9823D682-BC71-4D94-9CBD-B77BD04F1C12} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe
  C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2368
- C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe
  C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1748

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\1336ffb22842d595e7ee3602982.exe

Filesize
77KB

MD5
67c7fe1635180abaa9c88940d61bb20a

SHA1
addc53c2291b8a3d17b3668600b8257fef496989

SHA256
621278f6f2d263419d69187282d006e8f81afd73bdd75a39880d01d37bf0bbaf

SHA512
9b19f62ea458345a5d2d7ebb4d22a413996b502619466b1d3eaed0f92b35af91650cddd9ffdb397f8ed4558a09c44ce424d344c1f4102543934b651d103c40fc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
0179897ccbebb7957b073c50bd63f448

SHA1
9603134c504206ef44662b15940f48cfc6b1bcbf

SHA256
595ad0a1e343d4cf41e2cec27aba151063f1f5759e92b70e50b778313fbdf61b

SHA512
7cb51c3fd7e77044b2495def5e2a1ecbbaceec695ffad0e36091d1ea10562833d5afaa3bd44b2b81110089a486dc770691d1a4332a38a57e1438fb8e72d1918f

Download Submit
memory/872-7-0x00000000029E0000-0x0000000002A60000-memory.dmp

Filesize
512KB

Download
memory/872-8-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

Filesize
2.9MB

Download
memory/872-9-0x0000000001DB0000-0x0000000001DB8000-memory.dmp

Filesize
32KB

Download
memory/1748-39-0x0000000001000000-0x000000000101A000-memory.dmp

Filesize
104KB

Download
memory/2368-37-0x00000000009E0000-0x00000000009FA000-memory.dmp

Filesize
104KB

Download
memory/2516-0-0x000007FEF6313000-0x000007FEF6314000-memory.dmp

Filesize
4KB

Download
memory/2516-2-0x000007FEF6310000-0x000007FEF6CFC000-memory.dmp

Filesize
9.9MB

Download
memory/2516-22-0x000007FEF6313000-0x000007FEF6314000-memory.dmp

Filesize
4KB

Download
memory/2516-32-0x000007FEF6310000-0x000007FEF6CFC000-memory.dmp

Filesize
9.9MB

Download
memory/2516-1-0x0000000000FC0000-0x0000000000FDA000-memory.dmp

Filesize
104KB

Download
memory/2844-15-0x000000001B730000-0x000000001BA12000-memory.dmp

Filesize
2.9MB

Download
memory/2844-16-0x0000000001D90000-0x0000000001D98000-memory.dmp

Filesize
32KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads