xworm | d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4

General

Target

d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe
Size

45KB
MD5

82fa8d85c14800b57bfaf418a7c886c8
SHA1

0684973d8f013ff224632c7b0955fded2f8103b2
SHA256

d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4
SHA512

873a66aa41cd0a43568977bb55a3899d28f842a14fdaf9f19a4fea66d7ee502167d3dba17b19bc5918852c12c7a95715a4265556be83435af782e86576ff4d28
SSDEEP

768:qbG5pfJFqBb6CoE0RwnuU3zQK4JTXBlirp9bqY5wu6v6QhOObOPmOi:aG5oBDorRwuUDKbPit9bH5K6QsOSPmOi

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

23.ip.gl.ply.gg:51779

Mutex

SXjK4ZMu0P1Nn0Nq

Attributes

Install_directory
%AppData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2528-1-0x0000000001290000-0x00000000012A2000-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
568	powershell.exe
2936	powershell.exe
2552	powershell.exe
1652	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	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.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
2352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
568	powershell.exe
2936	powershell.exe
2552	powershell.exe
1652	powershell.exe
2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe
Token: SeDebugPrivilege	568	powershell.exe
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeDebugPrivilege	2552	powershell.exe
Token: SeDebugPrivilege	1652	powershell.exe
Token: SeDebugPrivilege	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 568	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	31
PID 2528 wrote to memory of 568	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	31
PID 2528 wrote to memory of 568	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	31
PID 2528 wrote to memory of 2936	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	33
PID 2528 wrote to memory of 2936	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	33
PID 2528 wrote to memory of 2936	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	33
PID 2528 wrote to memory of 2552	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	35
PID 2528 wrote to memory of 2552	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	35
PID 2528 wrote to memory of 2552	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	35
PID 2528 wrote to memory of 1652	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	37
PID 2528 wrote to memory of 1652	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	37
PID 2528 wrote to memory of 1652	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	37
PID 2528 wrote to memory of 2352	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	39
PID 2528 wrote to memory of 2352	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	39
PID 2528 wrote to memory of 2352	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	39
PID 2528 wrote to memory of 3004	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	41
PID 2528 wrote to memory of 3004	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	41
PID 2528 wrote to memory of 3004	2528	d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe	41

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\d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe
"C:\Users\Admin\AppData\Local\Temp\d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.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:2528
- 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\d5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:568
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd5ccb7c64da01b1eb2e1a255d2c64d51bcc8a10c7f1a4cd138fa4c99ff1622e4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- 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:2552
- 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:1652
- 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:2352
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2528 -s 1472
  2⤵
  PID:3004

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

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Downloads

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

Filesize
7KB

MD5
9d615c5949fdae24a3f1f1aebe4e3ac1

SHA1
9c5622cea37eec09fc5106366bf7fa375a24e83c

SHA256
4a0436c03b51ff0c8924cbd6ed0e3bee414b53e5bd4bdc8236fbf6bc22885b1a

SHA512
0f5a56f4773e6346993459f24d4229e684cdb3b30bebf3dc14955043f3d0f61cac8f4fddba56aaff48928e3d79336a946f680446b668caaf6b0febef4f467532

Download Submit
memory/568-7-0x000000001B330000-0x000000001B612000-memory.dmp

Filesize
2.9MB

Download
memory/568-8-0x00000000023D0000-0x00000000023D8000-memory.dmp

Filesize
32KB

Download
memory/2528-0-0x000007FEF6133000-0x000007FEF6134000-memory.dmp

Filesize
4KB

Download
memory/2528-1-0x0000000001290000-0x00000000012A2000-memory.dmp

Filesize
72KB

Download
memory/2528-2-0x000007FEF6130000-0x000007FEF6B1C000-memory.dmp

Filesize
9.9MB

Download
memory/2528-16-0x000007FEF6133000-0x000007FEF6134000-memory.dmp

Filesize
4KB

Download
memory/2528-29-0x000007FEF6130000-0x000007FEF6B1C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-14-0x000000001B120000-0x000000001B402000-memory.dmp

Filesize
2.9MB

Download
memory/2936-15-0x0000000002140000-0x0000000002148000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads