xenorat | bc6df9c438db5ef373c33b6c6a16a1dfa70f2d8c66a8352ea1632579225edc76

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
27-12-2024 23:03

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General

Target

vff.exe
Size

45KB
MD5

3e857e2fb2793de1f0310d2443088f82
SHA1

582b81e67f23a93c713b68d432432aace74c731a
SHA256

bc6df9c438db5ef373c33b6c6a16a1dfa70f2d8c66a8352ea1632579225edc76
SHA512

4cf910b7fa9bd39ffaab40789c0f896f26f41b5004f0d4434deb50453131a930998a87a8bc2e0383d3dd982fa473f14ff228cff5bbd46cc1a0d0cf79fb97ffbc
SSDEEP

768:RdhO/poiiUcjlJInGTwH9Xqk5nWEZ5SbTDa6WI7CPW5p:Pw+jjgnLH9XqcnW85SbTTWIR

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

agreement-lists.gl.at.ply.gg

Mutex

skibdiitoilet!zzz

Attributes

delay
5000
install_path
nothingset
port
48889
startup_name
nothingset

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral1/memory/2860-1-0x0000000000700000-0x0000000000712000-memory.dmp	family_xenorat
behavioral1/memory/2860-6-0x0000000005B40000-0x0000000005B4A000-memory.dmp	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Xenorat family
xenorat
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 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vff.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe
2860	vff.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	vff.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 788	2860	vff.exe	78
PID 2860 wrote to memory of 788	2860	vff.exe	78
PID 2860 wrote to memory of 788	2860	vff.exe	78
PID 2860 wrote to memory of 4132	2860	vff.exe	80
PID 2860 wrote to memory of 4132	2860	vff.exe	80
PID 2860 wrote to memory of 4132	2860	vff.exe	80
PID 4132 wrote to memory of 1500	4132	cmd.exe	82
PID 4132 wrote to memory of 1500	4132	cmd.exe	82
PID 4132 wrote to memory of 1500	4132	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\vff.exe
"C:\Users\Admin\AppData\Local\Temp\vff.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /query /v /fo csv
  2⤵
  - System Location Discovery: System Language Discovery
  PID:788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\vff.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4132
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2860-0-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/2860-1-0x0000000000700000-0x0000000000712000-memory.dmp

Filesize
72KB

Download
memory/2860-2-0x0000000075050000-0x0000000075801000-memory.dmp

Filesize
7.7MB

Download
memory/2860-3-0x0000000005B90000-0x0000000005BF6000-memory.dmp

Filesize
408KB

Download
memory/2860-4-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/2860-5-0x0000000075050000-0x0000000075801000-memory.dmp

Filesize
7.7MB

Download
memory/2860-6-0x0000000005B40000-0x0000000005B4A000-memory.dmp

Filesize
40KB

Download
memory/2860-7-0x0000000006020000-0x00000000060B2000-memory.dmp

Filesize
584KB

Download
memory/2860-8-0x0000000006670000-0x0000000006C16000-memory.dmp

Filesize
5.6MB

Download
memory/2860-9-0x0000000075050000-0x0000000075801000-memory.dmp

Filesize
7.7MB

Download