xtremerat | d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870b

Analysis

max time kernel
92s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 06:46

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General

Target

d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe
Size

65KB
MD5

902b1c05455ca5b638162dfad59c9cc0
SHA1

738aace79fd0d5a59c82b17fe91e832c0429d8db
SHA256

d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870b
SHA512

cd0ebafc5803774eed0c220710298d9bfafb26a0daaa6ab7ec30af6b8e241298da4b4ce4c9bfb73125fd7e5658656229ee298c2ac687aba9dbaf6a47380a8888
SSDEEP

768:i8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnc6/yyR+P2ujfHi5KPA+7XoD:Qsq+QV4rObAdXWpffy/bozNwipr

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

syrianow.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3924-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4996-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3924-2-0x0000000010000000-0x000000001004A000-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
Xtremerat family
xtremerat
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2416	3924	WerFault.exe	83
4960	3924	WerFault.exe	83

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 3924	4996	d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe	83
PID 4996 wrote to memory of 3924	4996	d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe	83
PID 4996 wrote to memory of 3924	4996	d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe	83
PID 4996 wrote to memory of 3924	4996	d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe	83
PID 4996 wrote to memory of 5048	4996	d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe	84
PID 4996 wrote to memory of 5048	4996	d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe	84
PID 4996 wrote to memory of 5048	4996	d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe	84

C:\Users\Admin\AppData\Local\Temp\d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe
"C:\Users\Admin\AppData\Local\Temp\d9a57ff763e5df446bb83f18e4dda245148dabf6988c24dc813a83b1271c870bN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 480
    3⤵
    - Program crash
    PID:2416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 488
    3⤵
    - Program crash
    PID:4960
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:5048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3924 -ip 3924
1⤵
PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3924 -ip 3924
1⤵
PID:3644

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/3924-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3924-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4996-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download