xenorat | f121a7a6bec3889cdf928ab386d5115f9485e0df3943f1e7155829254ee13847

Analysis

max time kernel
143s
max time network
125s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 17:26

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General

Target

utthdfgd.exe
Size

45KB
MD5

f0fdc0b13c302bedbbebf9883cf3ffa2
SHA1

3a0bfca5bd5695372d57029a24f99b1ecbefe443
SHA256

f121a7a6bec3889cdf928ab386d5115f9485e0df3943f1e7155829254ee13847
SHA512

f25f19c0ab53811e4ba0ed2c56359789323375272d3685e698fd330e3a7b21ce0eb84e2f223ddc0125661b536baebb53ce78f6c5e40d1840bff5c4f3f5fe3f9f
SSDEEP

768:FdhO/poiiUcjlJInazH9Xqk5nWEZ5SbTDa+WI7CPW59:bw+jjgnYH9XqcnW85SbTPWIV

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

0.0.0.0

Mutex

Xeno_rat_nd8912d

Attributes

delay
1
install_path
appdata
port
8888
startup_name
Windows

Signatures

Detect XenoRat Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2088-1-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xenorat
behavioral1/files/0x0007000000018780-4.dat	family_xenorat
behavioral1/memory/2772-9-0x0000000001070000-0x0000000001082000-memory.dmp	family_xenorat

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

Executes dropped EXE 1 IoCs

pid	Process
2772	utthdfgd.exe

Loads dropped DLL 1 IoCs

pid	Process
2088	utthdfgd.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	utthdfgd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	utthdfgd.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
2844	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2772	2088	utthdfgd.exe	30
PID 2088 wrote to memory of 2772	2088	utthdfgd.exe	30
PID 2088 wrote to memory of 2772	2088	utthdfgd.exe	30
PID 2088 wrote to memory of 2772	2088	utthdfgd.exe	30
PID 2772 wrote to memory of 2844	2772	utthdfgd.exe	31
PID 2772 wrote to memory of 2844	2772	utthdfgd.exe	31
PID 2772 wrote to memory of 2844	2772	utthdfgd.exe	31
PID 2772 wrote to memory of 2844	2772	utthdfgd.exe	31

C:\Users\Admin\AppData\Local\Temp\utthdfgd.exe
"C:\Users\Admin\AppData\Local\Temp\utthdfgd.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Roaming\XenoManager\utthdfgd.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\utthdfgd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Windows" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41E0.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2844

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\tmp41E0.tmp

Filesize
1KB

MD5
06e85dacdfe730c91184c0fbf263a068

SHA1
b4e823bd79b7da585a1d5a606745cba6bb48fb34

SHA256
b4c95b80c0d1b208296ec426811c8ccd49f91fcde094efd7df34059a021818c9

SHA512
2dc699a530aed67b2162342133e3d76da6190dd2939bba420f775715cdf58d9a15cc2c332a376a770cfca7e50976d0348d116e2d39b0561d39243cc2faf7f153

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

Filesize
45KB

MD5
f0fdc0b13c302bedbbebf9883cf3ffa2

SHA1
3a0bfca5bd5695372d57029a24f99b1ecbefe443

SHA256
f121a7a6bec3889cdf928ab386d5115f9485e0df3943f1e7155829254ee13847

SHA512
f25f19c0ab53811e4ba0ed2c56359789323375272d3685e698fd330e3a7b21ce0eb84e2f223ddc0125661b536baebb53ce78f6c5e40d1840bff5c4f3f5fe3f9f

Download Submit
memory/2088-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/2088-1-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/2772-9-0x0000000001070000-0x0000000001082000-memory.dmp

Filesize
72KB

Download
memory/2772-11-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-13-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2772-14-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads