xenorat | f87ced677e847b5b9859b768f059c2e6a8e5cc7ad4d3770d2d0ab6be5d4f3714

Analysis

max time kernel
33s
max time network
33s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
21-07-2024 20:09

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General

Target

niggii.exe
Size

45KB
MD5

24cd3bf3db0659796d6df7ca25aaa8e5
SHA1

9b6b6abad7f003cf4d14625cf8eb119ff00a29a9
SHA256

f87ced677e847b5b9859b768f059c2e6a8e5cc7ad4d3770d2d0ab6be5d4f3714
SHA512

5dd98bdde5a47c127d6ae90ab6d9d752b126b2c5ccae72296450c5ac6d552475180a995fb476c96b4ed443f9f5fc3a4e85536180eecb22ed87b45adee547c6ca
SSDEEP

768:ZdhO/poiiUcjlJInaCLue9H9Xqk5nWEZ5SbTDaQWI7CPW5I:Xw+jjgn1ye9H9XqcnW85SbTRWIA

Score

10^/10

xenorat rat trojan

Malware Config

Extracted

Family

xenorat

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
appdata
port
4444
startup_name
Windows Updater

Signatures

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat

Executes dropped EXE 1 IoCs

pid	Process
4772	niggii.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3666881604-935092360-1617577973-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

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
2724	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5044	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 4772	228	niggii.exe	78
PID 228 wrote to memory of 4772	228	niggii.exe	78
PID 228 wrote to memory of 4772	228	niggii.exe	78
PID 4772 wrote to memory of 2724	4772	niggii.exe	79
PID 4772 wrote to memory of 2724	4772	niggii.exe	79
PID 4772 wrote to memory of 2724	4772	niggii.exe	79

C:\Users\Admin\AppData\Local\Temp\niggii.exe
"C:\Users\Admin\AppData\Local\Temp\niggii.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:228
- C:\Users\Admin\AppData\Roaming\XenoManager\niggii.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\niggii.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4772
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Windows Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD4D4.tmp" /F
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2724

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5044

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:3468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\niggii.exe.log

Filesize
226B

MD5
1294de804ea5400409324a82fdc7ec59

SHA1
9a39506bc6cadf99c1f2129265b610c69d1518f7

SHA256
494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

SHA512
033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
1015d2fd919a3b62e193194c7bfafbef

SHA1
f7f3314dd817edcee90f87491f74825b197f476b

SHA256
990002e556b74d16e89d7f6c8be6ac5870e9be8b904ec52e87d92631fa09467b

SHA512
ffc7702179fb30851f4646f26a53e87c0215e320e117901c726a6294bf428540134e1fd14fce37a0b430e8379b4c56d6f57b582efff5654e2ed4624453762bea

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD4D4.tmp

Filesize
1KB

MD5
a3aaae2bd3745a39ee7073a73967a8c0

SHA1
93fae8e5b632a565a78c8066cf0b73b048eef846

SHA256
a5446d2de4b04a35244706cc3a0029fbfd2de17ff8c4f2e6856b49bae0a9dac6

SHA512
a8b797dfcdaa2187daad3b63afcd47cf2aad740ce9483c4c7ab16c8c20c4bb7e52006dcd340699af0e269d3898a26d71def3d7e1458db7cbdcfdc0316f5c4676

Download Submit
C:\Users\Admin\AppData\Roaming\XenoManager\niggii.exe

Filesize
45KB

MD5
24cd3bf3db0659796d6df7ca25aaa8e5

SHA1
9b6b6abad7f003cf4d14625cf8eb119ff00a29a9

SHA256
f87ced677e847b5b9859b768f059c2e6a8e5cc7ad4d3770d2d0ab6be5d4f3714

SHA512
5dd98bdde5a47c127d6ae90ab6d9d752b126b2c5ccae72296450c5ac6d552475180a995fb476c96b4ed443f9f5fc3a4e85536180eecb22ed87b45adee547c6ca

Download Submit
memory/228-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/228-1-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

Filesize
72KB

Download
memory/4772-15-0x00000000747E0000-0x0000000074F91000-memory.dmp

Filesize
7.7MB

Download
memory/4772-24-0x00000000747E0000-0x0000000074F91000-memory.dmp

Filesize
7.7MB

Download
memory/4772-25-0x00000000747E0000-0x0000000074F91000-memory.dmp

Filesize
7.7MB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads