xenorat | fe334383fda5544da762cfdf0e63b67f8353697bd978954eab09c6edba951488

Analysis

max time kernel
594s
max time network
424s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2024 08:47

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General

Target

Fixer/Fixer.exe
Size

45KB
MD5

5ef7344600895b2f13d5d8e44537d946
SHA1

bdf05e86b0c923a0c1edead40cc50819b185d4c0
SHA256

50866224673bc35d89ba701eaf3e794f452fecf308e9fab36be21fe8c486a9d0
SHA512

9563e4b2c98e3ccc8b47c9739a9a74680c9782f1bd18d67c80fb5f85e6bc667df72978b3d7858ddb30ba522d574215b720a2792b7e9e6d34759d0cdc2eb43c69
SSDEEP

768:OdhO/poiiUcjlJInMzH9Xqk5nWEZ5SbTDadWI7CPW5h:Yw+jjgnuH9XqcnW85SbTMWI5

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes

delay
1
install_path
appdata
port
69
startup_name
System-33

Signatures

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

Checks computer location settings 2 TTPs 1 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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Fixer.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	Fixer.exe

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fixer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fixer.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
712	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 2196	3288	Fixer.exe	85
PID 3288 wrote to memory of 2196	3288	Fixer.exe	85
PID 3288 wrote to memory of 2196	3288	Fixer.exe	85
PID 2196 wrote to memory of 712	2196	Fixer.exe	87
PID 2196 wrote to memory of 712	2196	Fixer.exe	87
PID 2196 wrote to memory of 712	2196	Fixer.exe	87

C:\Users\Admin\AppData\Local\Temp\Fixer\Fixer.exe
"C:\Users\Admin\AppData\Local\Temp\Fixer\Fixer.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3288
- C:\Users\Admin\AppData\Roaming\XenoManager\Fixer.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\Fixer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "System-33" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA633.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:712

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

Exfiltration

Impact

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Downloads

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

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA633.tmp

Filesize
1KB

MD5
2ab093f77a33e7004e362f78c87763a8

SHA1
2a4dcef9285dd583a33c1c5195cac7a37daee193

SHA256
4691f336ef4ce21e9f11416ab10393a8d4760db2025cfc0bd59acc25e018e234

SHA512
343b32e2048b259717e04dd98ef8900f3951ca79169947f1ed642b76965d95d517bd5a7878897aee21bd4350ac96aa1240e9d7e86e0fb53b05e28da716e95d3f

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

Filesize
45KB

MD5
5ef7344600895b2f13d5d8e44537d946

SHA1
bdf05e86b0c923a0c1edead40cc50819b185d4c0

SHA256
50866224673bc35d89ba701eaf3e794f452fecf308e9fab36be21fe8c486a9d0

SHA512
9563e4b2c98e3ccc8b47c9739a9a74680c9782f1bd18d67c80fb5f85e6bc667df72978b3d7858ddb30ba522d574215b720a2792b7e9e6d34759d0cdc2eb43c69

Download Submit
memory/2196-15-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2196-17-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2196-20-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3288-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/3288-1-0x0000000000A80000-0x0000000000A92000-memory.dmp

Filesize
72KB

Download
memory/3288-19-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads