xenorat | 86bbb24cb5eb36b70ba26e8d56c912707626596f7169ecb72d6897784e83f94a

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

C2

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
behavioral1/memory/3500-1-0x00000000006D0000-0x00000000006E2000-memory.dmp	family_xenorat
behavioral1/files/0x0007000000023416-6.dat	family_xenorat

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	Arkhavis.exe

Executes dropped EXE 1 IoCs

pid	Process
2060	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
2604	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 2060	3500	Arkhavis.exe	87
PID 3500 wrote to memory of 2060	3500	Arkhavis.exe	87
PID 3500 wrote to memory of 2060	3500	Arkhavis.exe	87
PID 2060 wrote to memory of 2604	2060	Arkhavis.exe	94
PID 2060 wrote to memory of 2604	2060	Arkhavis.exe	94
PID 2060 wrote to memory of 2604	2060	Arkhavis.exe	94

C:\Users\Admin\AppData\Local\Temp\Arkhavis.exe
"C:\Users\Admin\AppData\Local\Temp\Arkhavis.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3500
- 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:2060
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Arkhavis" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8760.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2604

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8760.tmp

Filesize
1KB

MD5
50e1965af8f964bfef655b475c3e5305

SHA1
da2122e4c7205a00b8949afb00b89ee569f7f7e3

SHA256
f58af66c8ce56a34a237759b1311477a434f6b5b9645280ca51d9e4bf58ec0ea

SHA512
3083be876907e1246243addef6d6841c7f9cd6a921af68db30c8fd0bd5e01ca516481a85558a3335f889f8c44778d349b3970786153225ab4c1ca4ebcb05a18f

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

Filesize
45KB

MD5
1cf6d40fb37a46fa8e586441e4218421

SHA1
d6235a7da398d420f97e57f02faadb12fdec1a9f

SHA256
86bbb24cb5eb36b70ba26e8d56c912707626596f7169ecb72d6897784e83f94a

SHA512
f9d682d4387b209eb4da820eb1b0b4e451588a5888052658a8a9ffe71342be345a16bab7539d6444db7adaf83c0b1b918ddedeaa3a3ab67acecb94d0afe35a43

Download Submit
memory/2060-15-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/2060-18-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/2060-19-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/3500-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/3500-1-0x00000000006D0000-0x00000000006E2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads