xenorat | 6185e375599f40eb19cc5464cd33b388e2b42a0dbf065a67bb395757291d5080

Analysis

max time kernel
151s
max time network
157s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
27-03-2024 07:45

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General

Target

AuthClient.exe
Size

45KB
MD5

de382ff81756934ba776279c448a37b1
SHA1

de6741ec906099d79b5c430c210725d534b13440
SHA256

6185e375599f40eb19cc5464cd33b388e2b42a0dbf065a67bb395757291d5080
SHA512

8be70b011694df2b9031c9483170d8191647a86a843f82d083d0ddd67da4baa25137da3334d1582d5bada4f8e6f3b2d3a13db755d293f2d52aca7aff1aaad73c
SSDEEP

768:MdhO/poiiUcjlJInSmH9Xqk5nWEZ5SbTDaIuI7CPW5f:Gw+jjgn5H9XqcnW85SbT1uIn

Score

10^/10

xenorat rat spyware stealer trojan

Malware Config

Extracted

Family

xenorat

Vallithebest-32755.portmap.host

Mutex

Xeno_rat_nd8912d

Attributes

delay
2000
install_path
appdata
port
32755
startup_name
AuthClientV2

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3164	AuthClient.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe
3164	AuthClient.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3164	AuthClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3164	AuthClient.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 3164	5108	AuthClient.exe	80
PID 5108 wrote to memory of 3164	5108	AuthClient.exe	80
PID 5108 wrote to memory of 3164	5108	AuthClient.exe	80
PID 3164 wrote to memory of 1552	3164	AuthClient.exe	81
PID 3164 wrote to memory of 1552	3164	AuthClient.exe	81
PID 3164 wrote to memory of 1552	3164	AuthClient.exe	81

C:\Users\Admin\AppData\Local\Temp\AuthClient.exe
"C:\Users\Admin\AppData\Local\Temp\AuthClient.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Users\Admin\AppData\Roaming\XenoManager\AuthClient.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\AuthClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3164
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "AuthClientV2" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E7.tmp" /F
    3⤵
    - Creates scheduled task(s)
    PID:1552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
226B

MD5
1294de804ea5400409324a82fdc7ec59

SHA1
9a39506bc6cadf99c1f2129265b610c69d1518f7

SHA256
494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

SHA512
033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5E7.tmp

Filesize
1KB

MD5
4dd04cfa7ab46782f28022890c1434c0

SHA1
c14317c1b75b82a85f3a9782048f8a28e6577ff1

SHA256
0ef989b1db3295837b8aa83585eed3193823e1a385ee3fb8c4d762ed22f8b94e

SHA512
a574b11af438005021c25ba721d09fca8a081e28c5641b021af85c2a9177fd685884c08e1e29c18b23913dcd7ab200717462f1f5291645448ab5184d5d33db79

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

Filesize
45KB

MD5
de382ff81756934ba776279c448a37b1

SHA1
de6741ec906099d79b5c430c210725d534b13440

SHA256
6185e375599f40eb19cc5464cd33b388e2b42a0dbf065a67bb395757291d5080

SHA512
8be70b011694df2b9031c9483170d8191647a86a843f82d083d0ddd67da4baa25137da3334d1582d5bada4f8e6f3b2d3a13db755d293f2d52aca7aff1aaad73c

Download Submit
memory/3164-27-0x0000000006650000-0x0000000006B7C000-memory.dmp

Filesize
5.2MB

Download
memory/3164-24-0x0000000005F50000-0x0000000006112000-memory.dmp

Filesize
1.8MB

Download
memory/3164-61-0x0000000006F90000-0x0000000006F9A000-memory.dmp

Filesize
40KB

Download
memory/3164-15-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/3164-60-0x0000000006450000-0x000000000645C000-memory.dmp

Filesize
48KB

Download
memory/3164-20-0x0000000005750000-0x00000000057B6000-memory.dmp

Filesize
408KB

Download
memory/3164-21-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/3164-22-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/3164-23-0x0000000005C40000-0x0000000005D3A000-memory.dmp

Filesize
1000KB

Download
memory/3164-17-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/3164-25-0x0000000005DD0000-0x0000000005E20000-memory.dmp

Filesize
320KB

Download
memory/3164-26-0x00000000054E0000-0x0000000005556000-memory.dmp

Filesize
472KB

Download
memory/3164-53-0x00000000064A0000-0x0000000006532000-memory.dmp

Filesize
584KB

Download
memory/3164-28-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/3164-30-0x0000000006360000-0x00000000063FC000-memory.dmp

Filesize
624KB

Download
memory/3164-36-0x0000000006240000-0x000000000624A000-memory.dmp

Filesize
40KB

Download
memory/3164-40-0x0000000007130000-0x00000000076D6000-memory.dmp

Filesize
5.6MB

Download
memory/5108-0-0x0000000000E50000-0x0000000000E62000-memory.dmp

Filesize
72KB

Download
memory/5108-1-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/5108-16-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download