xenorat | 1bffeb2de9e3834c8d5f06ca2d0b0ce8c6b152c7da76532f05579244152441e6

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 19:08

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General

Target

TLLc.exe
Size

45KB
MD5

36b5aab052b385a20b92d9d8244322d2
SHA1

b4c7e30f7edeeb921a1e06da190fe136958fd103
SHA256

1bffeb2de9e3834c8d5f06ca2d0b0ce8c6b152c7da76532f05579244152441e6
SHA512

3271ab0e5c8d35bef0bb3d8daf1eaf1b3fad796e01ad308a4b660ccca1c1bd3d4c01fe944914fb410a4c0ea6bbe4edd26ea062de232cf76b36dd5ea4e6f6f0cc
SSDEEP

768:pdhO/poiiUcjlJInyCLue9H9Xqk5nWEZ5SbTDaAWI7CPW5J:nw+jjgntye9H9XqcnW85SbThWIx

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

tax-sri.gl.at.ply.gg

Mutex

TLLc

Attributes

delay
5000
install_path
appdata
port
9388
startup_name
TLegacyLaunncher

Signatures

Detect XenoRat Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2372-1-0x0000000000170000-0x0000000000182000-memory.dmp	family_xenorat
behavioral1/files/0x000700000001938e-4.dat	family_xenorat
behavioral1/memory/1484-9-0x0000000000A00000-0x0000000000A12000-memory.dmp	family_xenorat
behavioral1/memory/1484-16-0x0000000000670000-0x000000000067C000-memory.dmp	family_xenorat
behavioral1/memory/1484-20-0x0000000001FD0000-0x0000000001FDA000-memory.dmp	family_xenorat

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

Executes dropped EXE 2 IoCs

pid	Process
1484	TLLc.exe
2672	TLLc.exe

Loads dropped DLL 1 IoCs

pid	Process
2372	TLLc.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 5 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	TLLc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TLLc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TLLc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2044	schtasks.exe
2200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe
1484	TLLc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	TLLc.exe
Token: SeDebugPrivilege	2672	TLLc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1484	2372	TLLc.exe	30
PID 2372 wrote to memory of 1484	2372	TLLc.exe	30
PID 2372 wrote to memory of 1484	2372	TLLc.exe	30
PID 2372 wrote to memory of 1484	2372	TLLc.exe	30
PID 1484 wrote to memory of 2044	1484	TLLc.exe	31
PID 1484 wrote to memory of 2044	1484	TLLc.exe	31
PID 1484 wrote to memory of 2044	1484	TLLc.exe	31
PID 1484 wrote to memory of 2044	1484	TLLc.exe	31
PID 1484 wrote to memory of 2672	1484	TLLc.exe	35
PID 1484 wrote to memory of 2672	1484	TLLc.exe	35
PID 1484 wrote to memory of 2672	1484	TLLc.exe	35
PID 1484 wrote to memory of 2672	1484	TLLc.exe	35
PID 2672 wrote to memory of 2200	2672	TLLc.exe	36
PID 2672 wrote to memory of 2200	2672	TLLc.exe	36
PID 2672 wrote to memory of 2200	2672	TLLc.exe	36
PID 2672 wrote to memory of 2200	2672	TLLc.exe	36

C:\Users\Admin\AppData\Local\Temp\TLLc.exe
"C:\Users\Admin\AppData\Local\Temp\TLLc.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Roaming\XenoManager\TLLc.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\TLLc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "TLegacyLaunncher" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E71.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2044
- - C:\Users\Admin\AppData\Roaming\XenoManager\TLLc.exe
    "C:\Users\Admin\AppData\Roaming\XenoManager\TLLc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2672
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "TLegacyLaunncher" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2481.tmp" /F
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9E71.tmp

Filesize
1KB

MD5
f5aa53285ab4b90db542251be153972f

SHA1
e64f22bfb5e45d73bba73b0c6aa997341e25e176

SHA256
6a50c89347a2401721e69d2875a456f7eee0c169c590e0c3a016f31b882981e1

SHA512
32cb3d6f863532af625f9967cc2e935ec38105f073c21c241eb0571598c2ebad2856208543643a8b7b7a15c0c45d1c5a59523c9dc7738bf2f0c374648302494b

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

Filesize
45KB

MD5
36b5aab052b385a20b92d9d8244322d2

SHA1
b4c7e30f7edeeb921a1e06da190fe136958fd103

SHA256
1bffeb2de9e3834c8d5f06ca2d0b0ce8c6b152c7da76532f05579244152441e6

SHA512
3271ab0e5c8d35bef0bb3d8daf1eaf1b3fad796e01ad308a4b660ccca1c1bd3d4c01fe944914fb410a4c0ea6bbe4edd26ea062de232cf76b36dd5ea4e6f6f0cc

Download Submit
memory/1484-9-0x0000000000A00000-0x0000000000A12000-memory.dmp

Filesize
72KB

Download
memory/1484-10-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-13-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-14-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-15-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-16-0x0000000000670000-0x000000000067C000-memory.dmp

Filesize
48KB

Download
memory/1484-20-0x0000000001FD0000-0x0000000001FDA000-memory.dmp

Filesize
40KB

Download
memory/2372-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download
memory/2372-1-0x0000000000170000-0x0000000000182000-memory.dmp

Filesize
72KB

Download