xworm | 6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47

General

Target

6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
Size

37KB
MD5

ed094471653276ce7f933ff63508c4b6
SHA1

5fe4c184e7915d7d79ada1f123de7263f7e3f41a
SHA256

6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47
SHA512

0b1a108dea4f7540b5a52d4080f34d7acf6e91d90412acbc75e02510771b8e28d65f912756263bd33f986cb28a0e935616b14f1913d93e68c71f9f82c69d7fee
SSDEEP

768:ztGRiYTgP/NNo5GfjS61216La/FP192iOphi7X4:zkRi+gsGu6McLgFt92iOpeX4

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

role-fresh.gl.at.ply.gg:2522

Mutex

tZ4Yyzni0aPUlFjz

Attributes

Install_directory
%ProgramData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2640-1-0x0000000001310000-0x0000000001320000-memory.dmp	family_xworm
behavioral1/files/0x000b0000000120f9-8.dat	family_xworm
behavioral1/memory/2832-14-0x0000000000DD0000-0x0000000000DE0000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.lnk	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.lnk	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe

Executes dropped EXE 2 IoCs

pid	Process
2832	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
2528	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47 = "C:\\ProgramData\\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe"	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.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
2816	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
Token: SeDebugPrivilege	2640	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
Token: SeDebugPrivilege	2832	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
Token: SeDebugPrivilege	2528	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2816	2640	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe	30
PID 2640 wrote to memory of 2816	2640	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe	30
PID 2640 wrote to memory of 2816	2640	6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe	30
PID 2736 wrote to memory of 2832	2736	taskeng.exe	33
PID 2736 wrote to memory of 2832	2736	taskeng.exe	33
PID 2736 wrote to memory of 2832	2736	taskeng.exe	33
PID 2736 wrote to memory of 2528	2736	taskeng.exe	34
PID 2736 wrote to memory of 2528	2736	taskeng.exe	34
PID 2736 wrote to memory of 2528	2736	taskeng.exe	34

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\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
"C:\Users\Admin\AppData\Local\Temp\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47" /tr "C:\ProgramData\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2816

C:\Windows\system32\taskeng.exe
taskeng.exe {210706B1-49F7-4018-8DFB-1832ED0A0EF9} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- C:\ProgramData\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
  C:\ProgramData\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2832
- C:\ProgramData\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
  C:\ProgramData\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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:\ProgramData\6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47.exe

Filesize
37KB

MD5
ed094471653276ce7f933ff63508c4b6

SHA1
5fe4c184e7915d7d79ada1f123de7263f7e3f41a

SHA256
6f935745c6bffb29341d1766661ba96bfef6bdf0fa016cec6169afc33a624f47

SHA512
0b1a108dea4f7540b5a52d4080f34d7acf6e91d90412acbc75e02510771b8e28d65f912756263bd33f986cb28a0e935616b14f1913d93e68c71f9f82c69d7fee

Download Submit
memory/2640-0-0x000007FEF5DF3000-0x000007FEF5DF4000-memory.dmp

Filesize
4KB

Download
memory/2640-1-0x0000000001310000-0x0000000001320000-memory.dmp

Filesize
64KB

Download
memory/2640-10-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp

Filesize
9.9MB

Download
memory/2640-15-0x000007FEF5DF3000-0x000007FEF5DF4000-memory.dmp

Filesize
4KB

Download
memory/2640-16-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp

Filesize
9.9MB

Download
memory/2832-14-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads