xworm | 8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e

General

Target

8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe
Size

275KB
MD5

bac631aa713e238ca4cc65b620736715
SHA1

d0f7bcda4d2fdcf3e1f41859e5251d021603f909
SHA256

8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e
SHA512

731cc3e56c4b48b278c512712068c815fcd989ed5250c2443c3e38d36eac8e40d969d9b84dfbd1e28fe80c555255006440ec24aa904c63e2d31a086a8bfb11d3
SSDEEP

3072:RdOB4dT+b7chk6qvFORJgmXbcK0L4AFD/l8xZ4uIxPLKKx03fJqWkG1SpPlpQJQU:RdOCob7oOEbGCIEfWcSlaUM/g

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

23.ip.gl.ply.gg:57577

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2220-1-0x00000000011D0000-0x000000000121A000-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
3000	powershell.exe
2560	powershell.exe
2856	powershell.exe
3024	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.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"	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe

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
2856	powershell.exe
3024	powershell.exe
3000	powershell.exe
2560	powershell.exe
2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe
Token: SeDebugPrivilege	2856	powershell.exe
Token: SeDebugPrivilege	3024	powershell.exe
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	2560	powershell.exe
Token: SeDebugPrivilege	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2856	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	29
PID 2220 wrote to memory of 2856	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	29
PID 2220 wrote to memory of 2856	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	29
PID 2220 wrote to memory of 3024	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	31
PID 2220 wrote to memory of 3024	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	31
PID 2220 wrote to memory of 3024	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	31
PID 2220 wrote to memory of 3000	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	33
PID 2220 wrote to memory of 3000	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	33
PID 2220 wrote to memory of 3000	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	33
PID 2220 wrote to memory of 2560	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	35
PID 2220 wrote to memory of 2560	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	35
PID 2220 wrote to memory of 2560	2220	8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe	35

C:\Users\Admin\AppData\Local\Temp\8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe
"C:\Users\Admin\AppData\Local\Temp\8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.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\8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2856
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '8f9e0d533fa5774f0653db9f900b4ef4356d8b3f1f8a90ae5f57bab24f14d86e.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3024
- 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:3000
- 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:2560

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\RR4XHHSKCS7W6HHEM3GR.temp

Filesize
7KB

MD5
fb443b286f6ea6dded559ebc5a0a5fa8

SHA1
873fc8eb38bcc4e810fcb4a64beb61aea2730060

SHA256
d0b4375aa16e43ef013eedd4a851575ee19c74bc616f759eb88f2412cdd3ceb1

SHA512
12db768fe41a8f6b54b128afaf59e9ccc12640abc7329442ad744427249cfbfbbd89e6d2da0424d4566c36d0c7a3632fff279b11e6a025f164a32ace70c004ef

Download Submit
memory/2220-0-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp

Filesize
4KB

Download
memory/2220-1-0x00000000011D0000-0x000000000121A000-memory.dmp

Filesize
296KB

Download
memory/2220-31-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp

Filesize
4KB

Download
memory/2220-32-0x000000001B1F0000-0x000000001B270000-memory.dmp

Filesize
512KB

Download
memory/2220-33-0x000000001B1F0000-0x000000001B270000-memory.dmp

Filesize
512KB

Download
memory/2856-6-0x0000000002430000-0x00000000024B0000-memory.dmp

Filesize
512KB

Download
memory/2856-7-0x000000001B240000-0x000000001B522000-memory.dmp

Filesize
2.9MB

Download
memory/2856-8-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/3024-14-0x000000001B110000-0x000000001B3F2000-memory.dmp

Filesize
2.9MB

Download
memory/3024-15-0x0000000002490000-0x0000000002498000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads