xworm | 69271c328db46c14628d161ff9fed12b14567dfaae2e139ec6cbc047ebca497d

General

Target

XWorm V5.6/XwormV5.6.exe
Size

15.0MB
MD5

2ff4c5a7eff1d9f19e23156dceeca4d0
SHA1

d8c175bb2b968713d48b37e1d018c8736a34ea6d
SHA256

198f82a2b491cb5c769d25c03ea7908161e20a9b51b585099f7088cef5c4323e
SHA512

2c839576c2a9ce47b4d37325417a4055e4f8674323b6b1a558fac35628eaf32e354271936ceb8dc6a38ccc24b170cc17c08e74a994e8363831b410810d676a05
SSDEEP

3072:LJKhDbtkb2D7wyOQnxZd+xYoPdLa5a47Qnx5RUUOMlv1s8W:LJKhDSbFGExYoPJatsjtlv1s8

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

193.161.193.99:63603

37.4.250.173:63603

Attributes

Install_directory
%AppData%
install_file
XwormV6.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3060-1-0x00000000000D0000-0x00000000000F4000-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
2236	powershell.exe
2936	powershell.exe
2744	powershell.exe
2528	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XwormV6.lnk	XwormV5.6.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XwormV6.lnk	XwormV5.6.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2236	powershell.exe
2936	powershell.exe
2744	powershell.exe
2528	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	XwormV5.6.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	2528	powershell.exe
Token: SeDebugPrivilege	3060	XwormV5.6.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2236	3060	XwormV5.6.exe	30
PID 3060 wrote to memory of 2236	3060	XwormV5.6.exe	30
PID 3060 wrote to memory of 2236	3060	XwormV5.6.exe	30
PID 3060 wrote to memory of 2936	3060	XwormV5.6.exe	32
PID 3060 wrote to memory of 2936	3060	XwormV5.6.exe	32
PID 3060 wrote to memory of 2936	3060	XwormV5.6.exe	32
PID 3060 wrote to memory of 2744	3060	XwormV5.6.exe	34
PID 3060 wrote to memory of 2744	3060	XwormV5.6.exe	34
PID 3060 wrote to memory of 2744	3060	XwormV5.6.exe	34
PID 3060 wrote to memory of 2528	3060	XwormV5.6.exe	37
PID 3060 wrote to memory of 2528	3060	XwormV5.6.exe	37
PID 3060 wrote to memory of 2528	3060	XwormV5.6.exe	37

C:\Users\Admin\AppData\Local\Temp\XWorm V5.6\XwormV5.6.exe
"C:\Users\Admin\AppData\Local\Temp\XWorm V5.6\XwormV5.6.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060
- 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\XWorm V5.6\XwormV5.6.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2236
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XwormV5.6.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\XwormV6.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XwormV6.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
7KB

MD5
94bb17432073e9412eac7c6452408e94

SHA1
d925814c7f77ee20bfe0d5ad36915af5eec0c056

SHA256
82fe84321afeab6abbb309ce4f0010986f6cd92cbf46b4b5d561df4f0bf22704

SHA512
b76517dec1ff00742b58670f493ab897679f6b1054a41176c9eb6ca3b4a011dcaae13af7cb49c6dfdee23086597fc7580f167bbe2c7c2b85ad9f39b342225097

Download Submit
memory/2236-6-0x0000000002E90000-0x0000000002F10000-memory.dmp

Filesize
512KB

Download
memory/2236-7-0x000000001B820000-0x000000001BB02000-memory.dmp

Filesize
2.9MB

Download
memory/2236-8-0x0000000001D80000-0x0000000001D88000-memory.dmp

Filesize
32KB

Download
memory/2936-14-0x000000001B490000-0x000000001B772000-memory.dmp

Filesize
2.9MB

Download
memory/2936-15-0x0000000001F90000-0x0000000001F98000-memory.dmp

Filesize
32KB

Download
memory/3060-0-0x000007FEF59D3000-0x000007FEF59D4000-memory.dmp

Filesize
4KB

Download
memory/3060-1-0x00000000000D0000-0x00000000000F4000-memory.dmp

Filesize
144KB

Download
memory/3060-30-0x00000000021F0000-0x0000000002270000-memory.dmp

Filesize
512KB

Download
memory/3060-31-0x000007FEF59D3000-0x000007FEF59D4000-memory.dmp

Filesize
4KB

Download
memory/3060-32-0x00000000021F0000-0x0000000002270000-memory.dmp

Filesize
512KB

Download

Analysis

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