xenorat | 57f7eb514c99759aad8e22283c23dc974bb40d0b3bae8fe05fcbf5bd681382e1

General

Target

Nitro.exe
Size

45KB
MD5

048a4609bb110ca3e09bbfef1cc40c96
SHA1

7d01285acc3f07037ab0254da3ec68bf4ceddb34
SHA256

57f7eb514c99759aad8e22283c23dc974bb40d0b3bae8fe05fcbf5bd681382e1
SHA512

fe2a26dd117df6eda626adb17d316010052098655fe794a37a5861290a4201b3bdc7eff184bcb93152a2e808bce82733dace9de143020c4748161e5ac28a4b1b
SSDEEP

768:xdhO/poiiUcjlJInG1H9Xqk5nWEZ5SbTDaSuI7CPW5K:vw+jjgneH9XqcnW85SbTHuIi

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

148.0.169.121

Mutex

Nitro

Attributes

delay
5000
install_path
appdata
port
4444
startup_name
Nitro

Signatures

Detect XenoRat Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2484-1-0x0000000000A30000-0x0000000000A42000-memory.dmp	family_xenorat
behavioral1/files/0x000800000001612f-4.dat	family_xenorat
behavioral1/memory/1920-9-0x0000000001040000-0x0000000001052000-memory.dmp	family_xenorat

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

Executes dropped EXE 1 IoCs

pid	Process
1920	Nitro.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	Nitro.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	Nitro.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nitro.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
2640	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1920	2484	Nitro.exe	31
PID 2484 wrote to memory of 1920	2484	Nitro.exe	31
PID 2484 wrote to memory of 1920	2484	Nitro.exe	31
PID 2484 wrote to memory of 1920	2484	Nitro.exe	31
PID 1920 wrote to memory of 2640	1920	Nitro.exe	32
PID 1920 wrote to memory of 2640	1920	Nitro.exe	32
PID 1920 wrote to memory of 2640	1920	Nitro.exe	32
PID 1920 wrote to memory of 2640	1920	Nitro.exe	32

C:\Users\Admin\AppData\Local\Temp\Nitro.exe
"C:\Users\Admin\AppData\Local\Temp\Nitro.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Roaming\XenoManager\Nitro.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\Nitro.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Nitro" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF844.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2640

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\tmpF844.tmp

Filesize
1KB

MD5
de437554760b4ddf55e4c0df8d5fb7b4

SHA1
c2840202b15ed2b2e258d24c8ed94d75f51d6c9f

SHA256
fb42616a8c96dd4b39d802e022a24ccece0dbc2aad771dbce0443a47489bcdf1

SHA512
818243ac45c5a1603638e09071806434512a9b8074348a9950c7df21fa27ac4b41d2ac47f80fc2f72af78336f97cce90147fee82a3ed17f5aaba96abd27788c3

Download Submit
\Users\Admin\AppData\Roaming\XenoManager\Nitro.exe

Filesize
45KB

MD5
048a4609bb110ca3e09bbfef1cc40c96

SHA1
7d01285acc3f07037ab0254da3ec68bf4ceddb34

SHA256
57f7eb514c99759aad8e22283c23dc974bb40d0b3bae8fe05fcbf5bd681382e1

SHA512
fe2a26dd117df6eda626adb17d316010052098655fe794a37a5861290a4201b3bdc7eff184bcb93152a2e808bce82733dace9de143020c4748161e5ac28a4b1b

Download Submit
memory/1920-9-0x0000000001040000-0x0000000001052000-memory.dmp

Filesize
72KB

Download
memory/1920-10-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1920-13-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1920-14-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1920-15-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-0-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/2484-1-0x0000000000A30000-0x0000000000A42000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads