xtremerat | 25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0b

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 14:57

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General

Target

25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe
Size

31KB
MD5

18e89b72077ea52611cd34097bc419f0
SHA1

8ab38edb43f02af4197b0b0fcd0c2339068db167
SHA256

25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0b
SHA512

7fe47953ef703a3fc0f3a8b05c7aacde2edb59bbdb44d79def57c184967fbad258f4f48033107bc653048b6d80b83a2b50188617315b1630b8b1b1647da918e3
SSDEEP

768:fsuijtHf5g7/MjN3Ha4LWqY+5cpSMuRRRzv4/+5jGs1jVHv:UNW70x6ALBwuBP

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

moumou0000.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5016-1-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/3172-3-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/5016-4-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3172-0-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/5016-1-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/3172-3-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/5016-4-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3032 5016 WerFault.exe svchost.exe
756 5016 WerFault.exe svchost.exe

pid	pid_target	process	target process
3032	5016	WerFault.exe	svchost.exe
756	5016	WerFault.exe	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe

description	pid	process	target process
PID 3172 wrote to memory of 5016	3172	25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe	svchost.exe
PID 3172 wrote to memory of 5016	3172	25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe	svchost.exe
PID 3172 wrote to memory of 5016	3172	25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe	svchost.exe
PID 3172 wrote to memory of 5016	3172	25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe	svchost.exe
PID 3172 wrote to memory of 1444	3172	25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe	msedge.exe
PID 3172 wrote to memory of 1444	3172	25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe	msedge.exe
PID 3172 wrote to memory of 1444	3172	25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe
"C:\Users\Admin\AppData\Local\Temp\25cd0a6bad28eb6da6942cb0b1baf1e7e16e7775086c2b38facab7193f962e0bN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 472
    3⤵
    - Program crash
    PID:3032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 484
    3⤵
    - Program crash
    PID:756
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5016 -ip 5016
1⤵
PID:2148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5016 -ip 5016
1⤵
PID:2140

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

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Downloads

memory/3172-0-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/3172-3-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/5016-1-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/5016-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download