xtremerat | c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 12:21

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General

Target

c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe
Size

65KB
MD5

5bef2dd96e9b8f7e30dd50f759d634a5
SHA1

1bba2373219ef0752575598d49bfc2e85485c1a1
SHA256

c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155
SHA512

b55492b756d37b95f290ebe6ccdc49ac745111688a0acdd472f65f10456a2ca60a1fa2b123d53f23e6284c02bbde9f0b58d73d105ee8c9b1423555979fe01500
SSDEEP

768:i8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnc6/yyR+P2ujfHi5KPA+7XoR:Qsq+QV4rObAdXWpffy/bozNwipJ

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

syrianow.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3976-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4468-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3976-2-0x0000000010000000-0x000000001004A000-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

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
2848	3976	WerFault.exe	83
4892	3976	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

Processes:

c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe

description	pid	Process	procid_target
PID 4468 wrote to memory of 3976	4468	c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe	83
PID 4468 wrote to memory of 3976	4468	c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe	83
PID 4468 wrote to memory of 3976	4468	c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe	83
PID 4468 wrote to memory of 3976	4468	c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe	83
PID 4468 wrote to memory of 4432	4468	c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe	84
PID 4468 wrote to memory of 4432	4468	c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe	84
PID 4468 wrote to memory of 4432	4468	c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe	84

C:\Users\Admin\AppData\Local\Temp\c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe
"C:\Users\Admin\AppData\Local\Temp\c9a4688f8653d355698d84fa7c40299b583f60e1d9dde7ec9ab6ad8055c21155.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 480
    3⤵
    - Program crash
    PID:2848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 504
    3⤵
    - Program crash
    PID:4892
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3976 -ip 3976
1⤵
PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3976 -ip 3976
1⤵
PID:4500

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/3976-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3976-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4468-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download