xenorat | c9b145d19869e40e615086a5b158fca378b0098dc3621991eff2c43b67435863

General

Target

horion executor.exe
Size

468KB
MD5

2eb0ea8d72d333361e25d0098cf9e3f9
SHA1

ca83c1003b89271df09d3930a21693916d9bdf00
SHA256

c9b145d19869e40e615086a5b158fca378b0098dc3621991eff2c43b67435863
SHA512

6ad5bc8cf4ef20d5965b20b2f2fa7e4ba23f397d150f9ea4803d64ee1f58ae0eadce4eddd3ea44eee7f05a7541759897e4891a168d4b2b371935be40a1e9baab
SSDEEP

3072:Gw+jqS91UbTiEy5dUBoqcPvSqqw1QHgtUOJ/yDPjPVc2WLiK4XVfI2a:zWb91Ub2dXrSYiEnJ8b22Wo

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

10.0.2.15

Mutex

horiom executor

Attributes

delay
5000
install_path
appdata
port
4444
startup_name
horion

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1476-1-0x0000000000340000-0x00000000003BC000-memory.dmp	family_xenorat
behavioral2/files/0x0009000000023c85-6.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	horion executor.exe

Executes dropped EXE 1 IoCs

pid	Process
2940	horion executor.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	horion executor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	horion executor.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
4664	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 2940	1476	horion executor.exe	85
PID 1476 wrote to memory of 2940	1476	horion executor.exe	85
PID 1476 wrote to memory of 2940	1476	horion executor.exe	85
PID 2940 wrote to memory of 4664	2940	horion executor.exe	86
PID 2940 wrote to memory of 4664	2940	horion executor.exe	86
PID 2940 wrote to memory of 4664	2940	horion executor.exe	86

C:\Users\Admin\AppData\Local\Temp\horion executor.exe
"C:\Users\Admin\AppData\Local\Temp\horion executor.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Roaming\XenoManager\horion executor.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\horion executor.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "horion" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC256.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4664

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC256.tmp

Filesize
1KB

MD5
a5d34e4f70c0f81519354ab56c05b496

SHA1
3f51ca99e94765128ac747a31c48160586fdcfe1

SHA256
7b65fe498c991e293aac865a9f3363758632aef005bcb286daf3728f8ef7a19c

SHA512
d512f10ab0349a0eb2fc2870f45589cce64860d7a444a4f064a050a8560c9711f8dbcfd186b3631942b2d2ac11f39e8eb56ceef63df09d026174f1b7c588016b

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

Filesize
468KB

MD5
2eb0ea8d72d333361e25d0098cf9e3f9

SHA1
ca83c1003b89271df09d3930a21693916d9bdf00

SHA256
c9b145d19869e40e615086a5b158fca378b0098dc3621991eff2c43b67435863

SHA512
6ad5bc8cf4ef20d5965b20b2f2fa7e4ba23f397d150f9ea4803d64ee1f58ae0eadce4eddd3ea44eee7f05a7541759897e4891a168d4b2b371935be40a1e9baab

Download Submit
memory/1476-0-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1476-1-0x0000000000340000-0x00000000003BC000-memory.dmp

Filesize
496KB

Download
memory/2940-15-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/2940-18-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/2940-19-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads