xenorat | b85d7c34416d1790525a95f190a2ede356e611659c1199c31de24c2e1c10171e

Analysis

max time kernel
149s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-08-2024 13:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fnfnayeemsirmod.exe
Size

40KB
MD5

b882799bf2bfee26b5f7c11dc6788134
SHA1

6e7550054253349e498b5399ba8539036adb2e1f
SHA256

b85d7c34416d1790525a95f190a2ede356e611659c1199c31de24c2e1c10171e
SHA512

5f918b654a663d7eec78fc71d48f3bbf91ffca8538f2a9a0f3f172f35cfa93af98f690edb77a44d2c8f8dcadcbf46e272780ba194cf634490b11a75b3b9f8689
SSDEEP

768:GQbHY3voobaXV2pecXb77HpUpTBVrbokr8qt23R9:LKvxaXV2peIzOlbrborqi

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes

delay
1000
install_path
appdata
port
4444
startup_name
macchanger

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	fnfnayeemsirmod.exe

Executes dropped EXE 1 IoCs

pid	Process
1020	fnfnayeemsirmod.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	fnfnayeemsirmod.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fnfnayeemsirmod.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
1568	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1020	2004	fnfnayeemsirmod.exe	86
PID 2004 wrote to memory of 1020	2004	fnfnayeemsirmod.exe	86
PID 2004 wrote to memory of 1020	2004	fnfnayeemsirmod.exe	86
PID 1020 wrote to memory of 1568	1020	fnfnayeemsirmod.exe	88
PID 1020 wrote to memory of 1568	1020	fnfnayeemsirmod.exe	88
PID 1020 wrote to memory of 1568	1020	fnfnayeemsirmod.exe	88

C:\Users\Admin\AppData\Local\Temp\fnfnayeemsirmod.exe
"C:\Users\Admin\AppData\Local\Temp\fnfnayeemsirmod.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Roaming\XenoManager\fnfnayeemsirmod.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\fnfnayeemsirmod.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "macchanger" /XML "C:\Users\Admin\AppData\Local\Temp\tmp979C.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1568

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp979C.tmp

Filesize
1KB

MD5
5955984e9807564d0056c4d592639075

SHA1
cb3d1cc966850f755e3d4d806b9876c616570672

SHA256
d4e4be3941aac26e06757bacdc317bd943fe62fbd1509be0e26350ccda831c1c

SHA512
72dab97ff2d8d19f976dc20c7bb83543c5f2079d41fbb6bdb81fdac43084ebc4afc9edca4ddc81f2042c322ef4f7344f1868d57de01ee9ec82eaa0ffff787570

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

Filesize
40KB

MD5
b882799bf2bfee26b5f7c11dc6788134

SHA1
6e7550054253349e498b5399ba8539036adb2e1f

SHA256
b85d7c34416d1790525a95f190a2ede356e611659c1199c31de24c2e1c10171e

SHA512
5f918b654a663d7eec78fc71d48f3bbf91ffca8538f2a9a0f3f172f35cfa93af98f690edb77a44d2c8f8dcadcbf46e272780ba194cf634490b11a75b3b9f8689

Download Submit
memory/1020-15-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/1020-18-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/1020-19-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/2004-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2004-1-0x0000000000E00000-0x0000000000E10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads