xenorat | e9c1454178cf25794257a759159d732889cd21029c341277cbd2744389eb2856

Analysis

max time kernel
129s
max time network
146s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
10/08/2024, 00:50

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
asa.exe
Size 45KB
Sample240810-a691sa1hpd
SHA256 e9c1454178cf25794257a759159d732889cd21029c341277cbd2744389eb2856
MD5 2c0fc0bb0f24233fecf2430fe5851ded
SHA1 1d3503d6e71eba788a02a1288ba85422e9349fea
SHA512 35f5bb99063bfd4453b2bafad9802d9b1858170a9ec207782cd1ea44ed31f3fc822b260cdee25c4c1b5ca98bc7b135707e556c2476e79d82f0cd95a4b82a8d9f
SSDEEP 768:hdhO/poiiUcjlJInLtUH9Xqk5nWEZ5SbTDazWI7CPW52:fw+jjgnhUH9XqcnW85SbTiWI+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

76.109.192.116

Mutex

Nitro-Gen

Attributes

delay
1000
install_path
appdata
port
7777
startup_name
Nitro

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1948	asa.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	asa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asa.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
4400	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 1948	1584	asa.exe	78
PID 1584 wrote to memory of 1948	1584	asa.exe	78
PID 1584 wrote to memory of 1948	1584	asa.exe	78
PID 1948 wrote to memory of 4400	1948	asa.exe	79
PID 1948 wrote to memory of 4400	1948	asa.exe	79
PID 1948 wrote to memory of 4400	1948	asa.exe	79

C:\Users\Admin\AppData\Local\Temp\asa.exe
"C:\Users\Admin\AppData\Local\Temp\asa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Users\Admin\AppData\Roaming\XenoManager\asa.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\asa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Nitro" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C71.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4400

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

Replay Monitor

Loading Replay Monitor...

Downloads

asa.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\asa.exe.log
Size 226B
SHA256 494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0
MD5 1294de804ea5400409324a82fdc7ec59
SHA1 9a39506bc6cadf99c1f2129265b610c69d1518f7
SHA512 033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1
MD5 SHA1 SHA512

Submit Download

tmp8C71.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp8C71.tmp
Size 1KB
SHA256 41543b5d037b54a3b2d1082df7dc3e0d6dc0e3f5bd3f254718ce1105a92fe8b0
MD5 9d882cb7f12d3bafa4fbb7e4da24a11a
SHA1 7a92cabf426c3f5230e120393d2b36bd65c90610
SHA512 c388d9ec39d03574f58a185f323f17ada7ffc75d3b765ac1a3fd21a5651addb9c3a82a5e74a28b636812806c5535f1822b56649a5b258b0d474ec3c2fac21a25
MD5 SHA1 SHA512

Submit Download

asa.exe

Path C:\Users\Admin\AppData\Roaming\XenoManager\asa.exe
Size 45KB
SHA256 e9c1454178cf25794257a759159d732889cd21029c341277cbd2744389eb2856
MD5 2c0fc0bb0f24233fecf2430fe5851ded
SHA1 1d3503d6e71eba788a02a1288ba85422e9349fea
SHA512 35f5bb99063bfd4453b2bafad9802d9b1858170a9ec207782cd1ea44ed31f3fc822b260cdee25c4c1b5ca98bc7b135707e556c2476e79d82f0cd95a4b82a8d9f
SSDEEP 768:hdhO/poiiUcjlJInLtUH9Xqk5nWEZ5SbTDazWI7CPW52:fw+jjgnhUH9XqcnW85SbTiWI+
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1584-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Download

memory/1584-1-0x00000000000C0000-0x00000000000D2000-memory.dmp

Download

memory/1948-15-0x00000000746D0000-0x0000000074E81000-memory.dmp

Download

memory/1948-18-0x00000000746D0000-0x0000000074E81000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads