xenorat | 0e944d5857ca770465f9b4372cf3ec39050cef2cad2c3cd63dc01157f840e164

General

Target

RuntimeBroker.exe
Size

45KB
MD5

b7c141189db621ece4b6935dd3795495
SHA1

159ebbf22f951ab07ec5794aa19ca9440cbd2837
SHA256

0e944d5857ca770465f9b4372cf3ec39050cef2cad2c3cd63dc01157f840e164
SHA512

1257e345ac1f11bda207da7186a4919da59f10ebad919f6d2a98d62547b4a06eec8c061657fbef522012742b6cf1bfcbd6edee39e0cf4e2e0914fb6bd278d043
SSDEEP

768:ddhO/poiiUcjlJInIaH9Xqk5nWEZ5SbTDajuI7CPW5V:Tw+jjgnfH9XqcnW85SbT+uIt

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

anonam39-41248.portmap.io

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
temp
port
41248
startup_name
RuntimeBroker

Signatures

Detect XenoRat Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2416-1-0x0000000000E20000-0x0000000000E32000-memory.dmp	family_xenorat
behavioral1/files/0x0007000000016d54-7.dat	family_xenorat
behavioral1/memory/2380-9-0x0000000000BE0000-0x0000000000BF2000-memory.dmp	family_xenorat

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

Executes dropped EXE 1 IoCs

pid	Process
2380	RuntimeBroker.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	RuntimeBroker.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	RuntimeBroker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RuntimeBroker.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
2992	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2380	2416	RuntimeBroker.exe	30
PID 2416 wrote to memory of 2380	2416	RuntimeBroker.exe	30
PID 2416 wrote to memory of 2380	2416	RuntimeBroker.exe	30
PID 2416 wrote to memory of 2380	2416	RuntimeBroker.exe	30
PID 2380 wrote to memory of 2992	2380	RuntimeBroker.exe	31
PID 2380 wrote to memory of 2992	2380	RuntimeBroker.exe	31
PID 2380 wrote to memory of 2992	2380	RuntimeBroker.exe	31
PID 2380 wrote to memory of 2992	2380	RuntimeBroker.exe	31

C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
"C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\XenoManager\RuntimeBroker.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\RuntimeBroker.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "RuntimeBroker" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA7C4.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2992

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

System Information Discovery

1

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\Temp\XenoManager\RuntimeBroker.exe

Filesize
45KB

MD5
b7c141189db621ece4b6935dd3795495

SHA1
159ebbf22f951ab07ec5794aa19ca9440cbd2837

SHA256
0e944d5857ca770465f9b4372cf3ec39050cef2cad2c3cd63dc01157f840e164

SHA512
1257e345ac1f11bda207da7186a4919da59f10ebad919f6d2a98d62547b4a06eec8c061657fbef522012742b6cf1bfcbd6edee39e0cf4e2e0914fb6bd278d043

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA7C4.tmp

Filesize
1KB

MD5
9ffccad2fb12c509e1e22393a89749a2

SHA1
8f3adf6af32c1f9a62dca4217a8c2299d2171ad1

SHA256
0bc1134a6453684d81b51f7c0f91e056fe8fc4efbf85ef57510f54e3e6b64c50

SHA512
e67c1af1c2e4271e548b83c24830566a9f7b55c0ef4b70386d0dfe4c04356ae9aceba1ccbf9ec1e367d6b8f3241798ecf01a0561b1312e74175aead28b167641

Download Submit
memory/2380-9-0x0000000000BE0000-0x0000000000BF2000-memory.dmp

Filesize
72KB

Download
memory/2380-10-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-13-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-14-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-15-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2416-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2416-1-0x0000000000E20000-0x0000000000E32000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads