xworm | 57c78c431dad7a72ab8047b9707f8e740ae4174e253626d494580333226ecb18

General

Target

gm.exe
Size

60KB
MD5

f8e80eb256f014dc1a1dcf494f49491e
SHA1

3f8437c9ca5239ea2125aca3456da1f7a0645d66
SHA256

57c78c431dad7a72ab8047b9707f8e740ae4174e253626d494580333226ecb18
SHA512

ee357ddde117a34135201265f20cf3d4235025d1db884142f6a58b99d5bebd4b0bda69d0efc37df4a5d14f079df0a5b08bbcad9b61339dab1aacf355d17e2de8
SSDEEP

1536:KFJjiXMQ4eOJKgZvw6IY+bhxhzRNuOBZXYVFv:KDQR1Q46IY+bhf2OB5YVl

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

C2

poker-dosage.gl.at.ply.gg:10021

Attributes

Install_directory
%AppData%
install_file
RealtekUService86.exe

Signatures

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/memory/908-1-0x0000000000180000-0x0000000000196000-memory.dmp	family_xworm
behavioral1/files/0x00080000000120fd-6.dat	family_xworm
behavioral1/memory/2612-8-0x00000000011F0000-0x0000000001206000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Executes dropped EXE 3 IoCs

pid	Process
2612	RealtekUService86.exe
2936	RealtekUService86.exe
888	RealtekUService86.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
2316	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
908	gm.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	gm.exe
Token: SeDebugPrivilege	908	gm.exe
Token: SeDebugPrivilege	2612	RealtekUService86.exe
Token: SeDebugPrivilege	2936	RealtekUService86.exe
Token: SeDebugPrivilege	888	RealtekUService86.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
908	gm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2316	908	gm.exe	29
PID 908 wrote to memory of 2316	908	gm.exe	29
PID 908 wrote to memory of 2316	908	gm.exe	29
PID 2624 wrote to memory of 2612	2624	taskeng.exe	33
PID 2624 wrote to memory of 2612	2624	taskeng.exe	33
PID 2624 wrote to memory of 2612	2624	taskeng.exe	33
PID 2624 wrote to memory of 2936	2624	taskeng.exe	34
PID 2624 wrote to memory of 2936	2624	taskeng.exe	34
PID 2624 wrote to memory of 2936	2624	taskeng.exe	34
PID 2624 wrote to memory of 888	2624	taskeng.exe	35
PID 2624 wrote to memory of 888	2624	taskeng.exe	35
PID 2624 wrote to memory of 888	2624	taskeng.exe	35

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\gm.exe
"C:\Users\Admin\AppData\Local\Temp\gm.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RealtekUService86" /tr "C:\Users\Admin\AppData\Roaming\RealtekUService86.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2316

C:\Windows\system32\taskeng.exe
taskeng.exe {2A48D0AE-6C4F-4D5B-BB94-13248A9C454F} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\RealtekUService86.exe

Filesize
60KB

MD5
f8e80eb256f014dc1a1dcf494f49491e

SHA1
3f8437c9ca5239ea2125aca3456da1f7a0645d66

SHA256
57c78c431dad7a72ab8047b9707f8e740ae4174e253626d494580333226ecb18

SHA512
ee357ddde117a34135201265f20cf3d4235025d1db884142f6a58b99d5bebd4b0bda69d0efc37df4a5d14f079df0a5b08bbcad9b61339dab1aacf355d17e2de8

Download Submit
memory/908-0-0x000007FEF5E93000-0x000007FEF5E94000-memory.dmp

Filesize
4KB

Download
memory/908-1-0x0000000000180000-0x0000000000196000-memory.dmp

Filesize
88KB

Download
memory/908-3-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

Filesize
9.9MB

Download
memory/908-4-0x000007FEF5E93000-0x000007FEF5E94000-memory.dmp

Filesize
4KB

Download
memory/908-9-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp

Filesize
9.9MB

Download
memory/2612-8-0x00000000011F0000-0x0000000001206000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads