xenorat | 86bbb24cb5eb36b70ba26e8d56c912707626596f7169ecb72d6897784e83f94a

Analysis

max time kernel
141s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
12-09-2024 20:27

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General

Target

Arkhavis.exe
Size

45KB
MD5

1cf6d40fb37a46fa8e586441e4218421
SHA1

d6235a7da398d420f97e57f02faadb12fdec1a9f
SHA256

86bbb24cb5eb36b70ba26e8d56c912707626596f7169ecb72d6897784e83f94a
SHA512

f9d682d4387b209eb4da820eb1b0b4e451588a5888052658a8a9ffe71342be345a16bab7539d6444db7adaf83c0b1b918ddedeaa3a3ab67acecb94d0afe35a43
SSDEEP

768:5dhO/poiiUcjlJInuC2H9Xqk5nWEZ5SbTDaHuI7CPW5R:3w+jjgnP2H9XqcnW85SbTiuIZ

Score

10^/10

xenorat discovery 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
Arkhavis

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2800-1-0x0000000000DA0000-0x0000000000DB2000-memory.dmp	family_xenorat
behavioral2/files/0x000300000002a946-6.dat	family_xenorat

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

Executes dropped EXE 1 IoCs

pid	Process
2396	Arkhavis.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	Arkhavis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Arkhavis.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
3604	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2396	2800	Arkhavis.exe	79
PID 2800 wrote to memory of 2396	2800	Arkhavis.exe	79
PID 2800 wrote to memory of 2396	2800	Arkhavis.exe	79
PID 2396 wrote to memory of 3604	2396	Arkhavis.exe	80
PID 2396 wrote to memory of 3604	2396	Arkhavis.exe	80
PID 2396 wrote to memory of 3604	2396	Arkhavis.exe	80

C:\Users\Admin\AppData\Local\Temp\Arkhavis.exe
"C:\Users\Admin\AppData\Local\Temp\Arkhavis.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Roaming\XenoManager\Arkhavis.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\Arkhavis.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Arkhavis" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9913.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3604

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

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\Arkhavis.exe.log

Filesize
226B

MD5
1294de804ea5400409324a82fdc7ec59

SHA1
9a39506bc6cadf99c1f2129265b610c69d1518f7

SHA256
494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

SHA512
033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9913.tmp

Filesize
1KB

MD5
50e1965af8f964bfef655b475c3e5305

SHA1
da2122e4c7205a00b8949afb00b89ee569f7f7e3

SHA256
f58af66c8ce56a34a237759b1311477a434f6b5b9645280ca51d9e4bf58ec0ea

SHA512
3083be876907e1246243addef6d6841c7f9cd6a921af68db30c8fd0bd5e01ca516481a85558a3335f889f8c44778d349b3970786153225ab4c1ca4ebcb05a18f

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

Filesize
45KB

MD5
1cf6d40fb37a46fa8e586441e4218421

SHA1
d6235a7da398d420f97e57f02faadb12fdec1a9f

SHA256
86bbb24cb5eb36b70ba26e8d56c912707626596f7169ecb72d6897784e83f94a

SHA512
f9d682d4387b209eb4da820eb1b0b4e451588a5888052658a8a9ffe71342be345a16bab7539d6444db7adaf83c0b1b918ddedeaa3a3ab67acecb94d0afe35a43

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memory/2396-15-0x00000000749C0000-0x0000000075171000-memory.dmp

Filesize
7.7MB

Download
memory/2396-16-0x00000000749C0000-0x0000000075171000-memory.dmp

Filesize
7.7MB

Download
memory/2396-19-0x00000000749C0000-0x0000000075171000-memory.dmp

Filesize
7.7MB

Download
memory/2396-20-0x00000000749C0000-0x0000000075171000-memory.dmp

Filesize
7.7MB

Download
memory/2800-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/2800-1-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads