xenorat | 8f326835e232a7b9ec21e3d09fa0707f806379486ed82acbbfc1538297779021

Analysis

max time kernel
148s
max time network
152s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
03-01-2025 01:06

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General

Target

AM1.exe
Size

33KB
MD5

38b58ea0e9fc2d5d719afb3267560e21
SHA1

da4ab3b765dea42125a0c4386ef02327e6647790
SHA256

8f326835e232a7b9ec21e3d09fa0707f806379486ed82acbbfc1538297779021
SHA512

f9c7d1df0db50c9c5c79c94397c1ae5b19487a230dab429df1852bbe979514efccc9843bc040804e09efbc64696ca6e0a92b5eb091919a844ad0783f775f68a7
SSDEEP

768:KmQZqx1lYcJHNP1hWmkPV+b8me1UMQkSF4dXbOfq1JkFAFta:K0lYUWDPV+bS+Mw45bOlFAFta

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

127.0.0.1

Mutex

fivefivefive

Attributes

delay
5000
install_path
appdata
port
2025
startup_name
RuntimeBroker

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0028000000046103-21.dat	family_xenorat
behavioral1/memory/3824-34-0x00000000002C0000-0x00000000002D2000-memory.dmp	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Xenorat family
xenorat
Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084745894-3294430273-2212167662-1000\Control Panel\International\Geo\Nation	AM1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084745894-3294430273-2212167662-1000\Control Panel\International\Geo\Nation	RuntimeBroker.exe

Executes dropped EXE 2 IoCs

pid	Process
3824	RuntimeBroker.exe
1784	RuntimeBroker.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
24	raw.githubusercontent.com
25	raw.githubusercontent.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RuntimeBroker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RuntimeBroker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3508	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2308	AM1.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	AM1.exe
Token: SeIncreaseQuotaPrivilege	2308	AM1.exe
Token: SeSecurityPrivilege	2308	AM1.exe
Token: SeTakeOwnershipPrivilege	2308	AM1.exe
Token: SeLoadDriverPrivilege	2308	AM1.exe
Token: SeSystemProfilePrivilege	2308	AM1.exe
Token: SeSystemtimePrivilege	2308	AM1.exe
Token: SeProfSingleProcessPrivilege	2308	AM1.exe
Token: SeIncBasePriorityPrivilege	2308	AM1.exe
Token: SeCreatePagefilePrivilege	2308	AM1.exe
Token: SeBackupPrivilege	2308	AM1.exe
Token: SeRestorePrivilege	2308	AM1.exe
Token: SeShutdownPrivilege	2308	AM1.exe
Token: SeDebugPrivilege	2308	AM1.exe
Token: SeSystemEnvironmentPrivilege	2308	AM1.exe
Token: SeRemoteShutdownPrivilege	2308	AM1.exe
Token: SeUndockPrivilege	2308	AM1.exe
Token: SeManageVolumePrivilege	2308	AM1.exe
Token: 33	2308	AM1.exe
Token: 34	2308	AM1.exe
Token: 35	2308	AM1.exe
Token: 36	2308	AM1.exe
Token: SeIncreaseQuotaPrivilege	2308	AM1.exe
Token: SeSecurityPrivilege	2308	AM1.exe
Token: SeTakeOwnershipPrivilege	2308	AM1.exe
Token: SeLoadDriverPrivilege	2308	AM1.exe
Token: SeSystemProfilePrivilege	2308	AM1.exe
Token: SeSystemtimePrivilege	2308	AM1.exe
Token: SeProfSingleProcessPrivilege	2308	AM1.exe
Token: SeIncBasePriorityPrivilege	2308	AM1.exe
Token: SeCreatePagefilePrivilege	2308	AM1.exe
Token: SeBackupPrivilege	2308	AM1.exe
Token: SeRestorePrivilege	2308	AM1.exe
Token: SeShutdownPrivilege	2308	AM1.exe
Token: SeDebugPrivilege	2308	AM1.exe
Token: SeSystemEnvironmentPrivilege	2308	AM1.exe
Token: SeRemoteShutdownPrivilege	2308	AM1.exe
Token: SeUndockPrivilege	2308	AM1.exe
Token: SeManageVolumePrivilege	2308	AM1.exe
Token: 33	2308	AM1.exe
Token: 34	2308	AM1.exe
Token: 35	2308	AM1.exe
Token: 36	2308	AM1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 3824	2308	AM1.exe	97
PID 2308 wrote to memory of 3824	2308	AM1.exe	97
PID 2308 wrote to memory of 3824	2308	AM1.exe	97
PID 3824 wrote to memory of 1784	3824	RuntimeBroker.exe	98
PID 3824 wrote to memory of 1784	3824	RuntimeBroker.exe	98
PID 3824 wrote to memory of 1784	3824	RuntimeBroker.exe	98
PID 1784 wrote to memory of 3508	1784	RuntimeBroker.exe	99
PID 1784 wrote to memory of 3508	1784	RuntimeBroker.exe	99
PID 1784 wrote to memory of 3508	1784	RuntimeBroker.exe	99

C:\Users\Admin\AppData\Local\Temp\AM1.exe
"C:\Users\Admin\AppData\Local\Temp\AM1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
  "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3824
- - C:\Users\Admin\AppData\Roaming\XenoManager\RuntimeBroker.exe
    "C:\Users\Admin\AppData\Roaming\XenoManager\RuntimeBroker.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1784
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "RuntimeBroker" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3C8.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3508

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

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

Filesize
226B

MD5
66aea5e724c4a224d092067c3381783b

SHA1
ee3cc64c4370a255391bdfeef2883d5b7a6e6230

SHA256
04b17cab961f973464bba8924f764edef6451d1774f2405d27ef33d164296923

SHA512
5d719e303f491d1443cb7c7e8946481e90532522a422c98f82466e1eddcd1ef24a4505dcbf75f2191fbb66825d3550566d7f408a3854edeb4c1a192c8c9a6d06

Download Submit
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe

Filesize
45KB

MD5
383c3426f48d2064a61531d5d0766ca8

SHA1
afb5daa8202a314a90c0eb8072226d016c7ba774

SHA256
d0a05f373ef7ff07aaaef9934a032b23e19cc700abb460a99a73484349e4f1fe

SHA512
e16b85c4f255372af219966114151224d255a8d66be4ca634a8922bc580138f5ddbd34ffb168924fb9628a7e389480fa7dc7ee53ea2bfaa4716ebdd72ded4747

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l3sgekcy.tsx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE3C8.tmp

Filesize
1KB

MD5
8ed763fe0e7c70ad89703ddcab4a979b

SHA1
6d32a1719878656cd56d496e3c829ecd28f92359

SHA256
048da90097a51edf1f6d3501845e548fd04a7e120aa14cbf6d93962db3a499e2

SHA512
3c4da73b780ef27e3dfa09fee043828ca99265d6fbe43a13b4bd955f1b31002015fb761d69ee8c5d39255bee3768a3178f3b34ff80c2369492399b9415f05deb

Download Submit
memory/2308-11-0x000000001B9F0000-0x000000001BA12000-memory.dmp

Filesize
136KB

Download
memory/2308-13-0x00007FFEC9DD0000-0x00007FFECA892000-memory.dmp

Filesize
10.8MB

Download
memory/2308-14-0x00007FFEC9DD3000-0x00007FFEC9DD5000-memory.dmp

Filesize
8KB

Download
memory/2308-15-0x00007FFEC9DD0000-0x00007FFECA892000-memory.dmp

Filesize
10.8MB

Download
memory/2308-16-0x00007FFEC9DD0000-0x00007FFECA892000-memory.dmp

Filesize
10.8MB

Download
memory/2308-12-0x00007FFEC9DD0000-0x00007FFECA892000-memory.dmp

Filesize
10.8MB

Download
memory/2308-32-0x00007FFEC9DD0000-0x00007FFECA892000-memory.dmp

Filesize
10.8MB

Download
memory/2308-0-0x00007FFEC9DD3000-0x00007FFEC9DD5000-memory.dmp

Filesize
8KB

Download
memory/2308-1-0x0000000000E70000-0x0000000000E7E000-memory.dmp

Filesize
56KB

Download
memory/3824-33-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/3824-34-0x00000000002C0000-0x00000000002D2000-memory.dmp

Filesize
72KB

Download