xenorat | be045cf8976030dc7200bedb119e053213e575af26e5e5b92a1a4f51e2f96b4e

General

Target

Nitro.exe
Size

45KB
MD5

7ff205ae30f13c7fac35957f21a12174
SHA1

10a776f49aa65cc8b2d02404689a9b535585aba0
SHA256

be045cf8976030dc7200bedb119e053213e575af26e5e5b92a1a4f51e2f96b4e
SHA512

8d4fcda66dbb1090c2b14677598f6280f2531e054510c2dde99c45a3d4e9181c1827ed192401d6fa4753bbb06b678d6c1f437b7bbaaef32b0759817db8ed5408
SSDEEP

768:1dhO/poiiUcjlJInzXSeH9Xqk5nWEZ5SbTDadWI7CPW5+:Lw+jjgnrH9XqcnW85SbTcWI2

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

C2

148.0.169.121

Mutex

Nitro

Attributes

delay
5000
install_path
temp
port
4444
startup_name
Nitro

Signatures

Detect XenoRat Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2480-1-0x0000000001090000-0x00000000010A2000-memory.dmp	family_xenorat
behavioral1/files/0x000700000001924c-7.dat	family_xenorat
behavioral1/memory/2284-9-0x00000000010F0000-0x0000000001102000-memory.dmp	family_xenorat

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

Executes dropped EXE 1 IoCs

pid	Process
2284	Nitro.exe

Loads dropped DLL 1 IoCs

pid	Process
2480	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nitro.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nitro.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
2064	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2284	2480	Nitro.exe	30
PID 2480 wrote to memory of 2284	2480	Nitro.exe	30
PID 2480 wrote to memory of 2284	2480	Nitro.exe	30
PID 2480 wrote to memory of 2284	2480	Nitro.exe	30
PID 2284 wrote to memory of 2064	2284	Nitro.exe	32
PID 2284 wrote to memory of 2064	2284	Nitro.exe	32
PID 2284 wrote to memory of 2064	2284	Nitro.exe	32
PID 2284 wrote to memory of 2064	2284	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:2480
- C:\Users\Admin\AppData\Local\Temp\XenoManager\Nitro.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\Nitro.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Nitro" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD48E.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2064

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\Nitro.exe

Filesize
45KB

MD5
7ff205ae30f13c7fac35957f21a12174

SHA1
10a776f49aa65cc8b2d02404689a9b535585aba0

SHA256
be045cf8976030dc7200bedb119e053213e575af26e5e5b92a1a4f51e2f96b4e

SHA512
8d4fcda66dbb1090c2b14677598f6280f2531e054510c2dde99c45a3d4e9181c1827ed192401d6fa4753bbb06b678d6c1f437b7bbaaef32b0759817db8ed5408

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD48E.tmp

Filesize
1KB

MD5
f292f0812e8b5cea420ad7fb063bc968

SHA1
e33b7761603aac46807a31d85be6126ef294c794

SHA256
4c66a47aa57a8014b7a18da47b7b1e269fb9b65cb655c4207052795c2834c42f

SHA512
4e897bae204f48be3d523e84b1b0aa9b18c93b51f96311be57da2e758f2a463ee92bbac568fd120a37f52ef65822d111d421647f5ab82fc46ee4c462676377cf

Download Submit
memory/2284-9-0x00000000010F0000-0x0000000001102000-memory.dmp

Filesize
72KB

Download
memory/2284-10-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-13-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-14-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-15-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2480-0-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/2480-1-0x0000000001090000-0x00000000010A2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads