xworm | 673ebb2e9da64c5b50d99d64eef3a0cd194791061919d29ba006b563821ce7c1

Analysis

max time kernel
41s
max time network
50s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
15-06-2024 12:39

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General

Target

nigg.exe
Size

35KB
MD5

390337cd7d47b37903b45f9b701aaea1
SHA1

73dc520ac055377918282dec8a962d0b36f93ca7
SHA256

673ebb2e9da64c5b50d99d64eef3a0cd194791061919d29ba006b563821ce7c1
SHA512

6adee425256e98f1a7d2a7d2577af1d1171a62f2c61bf0e852b667e349c2841dc6cdfa202dd96596afd6293403e33913c7800705333017dc7bf3ba7b387968cf
SSDEEP

768:NoHv9ouQGV4hiQfCYzZ4mVFy+9F3OjhJOEU:NoHloq4hVa6Z48Ff9F3Oja

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

modern-educators.gl.at.ply.gg:23695

Mutex

v8RpaLVQRN4DforN

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1352-1-0x0000000000BC0000-0x0000000000BD0000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Drops startup file 2 IoCs

Processes:

nigg.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	nigg.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	nigg.exe

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nigg.exe

description pid process

Token: SeDebugPrivilege 1352 nigg.exe
Token: SeDebugPrivilege 1352 nigg.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MiniSearchHost.exe

pid process

3204 MiniSearchHost.exe

description	pid	process
Token: SeDebugPrivilege	1352	nigg.exe
Token: SeDebugPrivilege	1352	nigg.exe

pid	process
3204	MiniSearchHost.exe

C:\Users\Admin\AppData\Local\Temp\nigg.exe
"C:\Users\Admin\AppData\Local\Temp\nigg.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:1352

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Suspicious use of SetWindowsHookEx
PID:3204

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:3744

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1352-0-0x00007FFEDA373000-0x00007FFEDA375000-memory.dmp

Filesize
8KB

Download
memory/1352-1-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

Filesize
64KB

Download
memory/1352-6-0x00007FFEDA370000-0x00007FFEDAE32000-memory.dmp

Filesize
10.8MB

Download
memory/1352-7-0x00007FFEDA373000-0x00007FFEDA375000-memory.dmp

Filesize
8KB

Download
memory/1352-8-0x00007FFEDA370000-0x00007FFEDAE32000-memory.dmp

Filesize
10.8MB

Download