xworm | 5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409

General

Target

5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe
Size

75KB
MD5

d82d609d941466764cbeae3ef647c470
SHA1

12bd723e0ad949b401c64e82eeabad0796c05f1f
SHA256

5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409
SHA512

d085a4c4d97d659104048dbd55c0c35a4b96749ea09b3a843c29b9738197452e1c2245828dc7cb3b20c96035c1ae6181727671418e4eee00e11e30f7c7595103
SSDEEP

1536:WQvlvzEfcn5PF6vWs6aq69eq9bC29104DTcp7i600xPCOMQln84l:WovIfk6OYRbCaSacl4OMul

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

25.ip.gl.ply.gg:8258

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2656-1-0x0000000000FC0000-0x0000000000FDA000-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
2636	powershell.exe
2620	powershell.exe
1108	powershell.exe
1292	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	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.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\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.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

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2636	powershell.exe
2620	powershell.exe
1108	powershell.exe
1292	powershell.exe
2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	2620	powershell.exe
Token: SeDebugPrivilege	1108	powershell.exe
Token: SeDebugPrivilege	1292	powershell.exe
Token: SeDebugPrivilege	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2636	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	31
PID 2656 wrote to memory of 2636	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	31
PID 2656 wrote to memory of 2636	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	31
PID 2656 wrote to memory of 2620	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	33
PID 2656 wrote to memory of 2620	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	33
PID 2656 wrote to memory of 2620	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	33
PID 2656 wrote to memory of 1108	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	35
PID 2656 wrote to memory of 1108	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	35
PID 2656 wrote to memory of 1108	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	35
PID 2656 wrote to memory of 1292	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	37
PID 2656 wrote to memory of 1292	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	37
PID 2656 wrote to memory of 1292	2656	5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe	37

C:\Users\Admin\AppData\Local\Temp\5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe
"C:\Users\Admin\AppData\Local\Temp\5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.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:2656
- 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\5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2636
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '5023bc998fa00427629fe99f21f8548b66ea3a36c38dab80e37ed08f4574c409N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2620
- 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:1108
- 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:1292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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
1f5a52280baf316fff2754d8a471384c

SHA1
5b9fdbb84358db5e76f37765fefad328a8a56ed2

SHA256
1a5adf50b4380b30491033cb9a53094cacb4f407c7227e656692653e8f74ab4a

SHA512
8ed345973829818cf9c2fcd90404391346558bab452422b7385bb6bc23115507078d1270bc18cdcf0afdc5cf7f0563182da42329ca6ad6c5fe4b0c2ad7ea1e78

Download Submit
memory/2620-15-0x000000001B680000-0x000000001B962000-memory.dmp

Filesize
2.9MB

Download
memory/2620-16-0x0000000001DC0000-0x0000000001DC8000-memory.dmp

Filesize
32KB

Download
memory/2636-7-0x0000000002E90000-0x0000000002F10000-memory.dmp

Filesize
512KB

Download
memory/2636-8-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

Filesize
2.9MB

Download
memory/2636-9-0x0000000001E20000-0x0000000001E28000-memory.dmp

Filesize
32KB

Download
memory/2656-0-0x000007FEF6123000-0x000007FEF6124000-memory.dmp

Filesize
4KB

Download
memory/2656-1-0x0000000000FC0000-0x0000000000FDA000-memory.dmp

Filesize
104KB

Download
memory/2656-2-0x000007FEF6120000-0x000007FEF6B0C000-memory.dmp

Filesize
9.9MB

Download
memory/2656-28-0x000007FEF6123000-0x000007FEF6124000-memory.dmp

Filesize
4KB

Download
memory/2656-34-0x000007FEF6120000-0x000007FEF6B0C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads