xenorat | 544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7

General

Target
544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe
Size 46KB
Sample250127-jspmcszmen
SHA256 544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7
MD5 9ce983782ef6449547057837fbf28149
SHA1 95efe91de8f9e7ddb866efc015906a1f498f8c53
SHA512 6ffd8563bc5ce87882fc835d2c753c673b4f178deb8815ec32f168c8d6344f4457d8d09aba41b1d2ddfc204257f5c29359a79525726490183bfd50cc435e84e8
SSDEEP 768:PdhO/poiiUcjlJInbTH9Xqk5nWEZ5SbTDaNuI7CPW5A:Fw+jjgnnH9XqcnW85SbTIuIY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

roblox.airdns.org

Mutex

Microsoft_nd8912d

Attributes

delay
5000
install_path
appdata
port
62604
startup_name
Runtime Broker.

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3672-1-0x0000000000DF0000-0x0000000000E02000-memory.dmp	family_xenorat
behavioral2/files/0x0009000000023c59-6.dat	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Xenorat family
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe

Executes dropped EXE 1 IoCs

pid	Process
1964	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.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	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.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
4104	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 1964	3672	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe	83
PID 3672 wrote to memory of 1964	3672	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe	83
PID 3672 wrote to memory of 1964	3672	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe	83
PID 1964 wrote to memory of 4104	1964	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe	84
PID 1964 wrote to memory of 4104	1964	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe	84
PID 1964 wrote to memory of 4104	1964	544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe	84

C:\Users\Admin\AppData\Local\Temp\544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe
"C:\Users\Admin\AppData\Local\Temp\544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Users\Admin\AppData\Roaming\XenoManager\544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Runtime Broker." /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD95.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4104

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

544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

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tmpAD95.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpAD95.tmp
Size 1KB
SHA256 00c2794cb384ffa8999369611c28b331c0666ff6895cbac59f8e42f70c5e3bbc
MD5 fa27b0c82dcf8ba44de98b5b46a61e22
SHA1 8ee34446365273a71b139e0bace51131620ef63c
SHA512 7bf74a6bd2869297b02aa7004ee5364b3c4e72cd2535c20972db6d9024d97d6210b8ba92705fa09da7313631706b64cb37b8673b07347444e67d75497956baaf
MD5 SHA1 SHA512

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544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe

Path C:\Users\Admin\AppData\Roaming\XenoManager\544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7.exe
Size 46KB
SHA256 544f68f90157e53fb81a864b1aa1b30a91a7e297062cc33b9194d2d83ab124e7
MD5 9ce983782ef6449547057837fbf28149
SHA1 95efe91de8f9e7ddb866efc015906a1f498f8c53
SHA512 6ffd8563bc5ce87882fc835d2c753c673b4f178deb8815ec32f168c8d6344f4457d8d09aba41b1d2ddfc204257f5c29359a79525726490183bfd50cc435e84e8
SSDEEP 768:PdhO/poiiUcjlJInbTH9Xqk5nWEZ5SbTDaNuI7CPW5A:Fw+jjgnnH9XqcnW85SbTIuIY
MD5 SHA1 SHA512 SSDEEP

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memory/1964-15-0x0000000074430000-0x0000000074BE0000-memory.dmp

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memory/1964-18-0x0000000074430000-0x0000000074BE0000-memory.dmp

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memory/1964-19-0x0000000074430000-0x0000000074BE0000-memory.dmp

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memory/3672-0-0x000000007443E000-0x000000007443F000-memory.dmp

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memory/3672-1-0x0000000000DF0000-0x0000000000E02000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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