xworm | 27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462

General

Target

27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe
Size

41KB
MD5

55e5b9b534e7bffe1f43517db9506ae0
SHA1

d55f7b182592307d8bd60a397b5b9b1f93fa9978
SHA256

27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462
SHA512

cce1f9cf7f10500c04ac9e71b0b07fe04ffe77de6955a93795dafb9fa0559e58eeba54b2f2d8b17d0bff537cbe9ffee6f1a3464dd5b716cb7c1f25f4acdaef2f
SSDEEP

768:cGFDV1EkGq5VuKlP0Rl0hQvvdF3q9iev6TO+h2IkAC:tFDRL5MKx07wQvFF69iu6TO+IsC

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

193.161.193.99:57817

Mutex

jw11mUPspuncXMvt

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2096-1-0x0000000000300000-0x0000000000310000-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 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2928	powershell.exe
2848	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2928	powershell.exe
2848	powershell.exe
2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe
Token: SeDebugPrivilege	2928	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2928	2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe	30
PID 2096 wrote to memory of 2928	2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe	30
PID 2096 wrote to memory of 2928	2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe	30
PID 2096 wrote to memory of 2848	2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe	32
PID 2096 wrote to memory of 2848	2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe	32
PID 2096 wrote to memory of 2848	2096	27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe	32

C:\Users\Admin\AppData\Local\Temp\27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe
"C:\Users\Admin\AppData\Local\Temp\27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- 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\27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2928
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '27c5259e178974a6fbc4c478d8c30b85262754ae2ce620e2c7295dab9d9df462N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848

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
01c2bd0f0cf78f40d9dcf53cd05dc73f

SHA1
2221a90f8ad0419e9ec1b85b14bb0353e9e3c252

SHA256
c0a763d848a5168e98039b637b72046701a785106f600abe92ebb8c9f51be240

SHA512
f5177505918e932ce4ef987305f848747525db363575a86e377a84b1cb8ee13fc56df9fe01b8cf007f66c3912064e5d257ff8ef0199bd3827a098e75b0ee48a3

Download Submit
memory/2096-0-0x000007FEF63D3000-0x000007FEF63D4000-memory.dmp

Filesize
4KB

Download
memory/2096-1-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/2096-16-0x000000001AC80000-0x000000001AD00000-memory.dmp

Filesize
512KB

Download
memory/2096-17-0x000000001AC80000-0x000000001AD00000-memory.dmp

Filesize
512KB

Download
memory/2848-14-0x000000001B560000-0x000000001B842000-memory.dmp

Filesize
2.9MB

Download
memory/2848-15-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/2928-6-0x0000000002C50000-0x0000000002CD0000-memory.dmp

Filesize
512KB

Download
memory/2928-7-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

Filesize
2.9MB

Download
memory/2928-8-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download

Analysis

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