xtremerat | 1bb6741552bbf2b53356efb52972f7553eef5715bc5991d95341825df413bc91

General

Target

JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe
Size

4.2MB
MD5

322bf28a650ec5e79f2cb95cbcf408ca
SHA1

4a9701ad3d0c2a8490aeb9492d048be802531169
SHA256

1bb6741552bbf2b53356efb52972f7553eef5715bc5991d95341825df413bc91
SHA512

4e27a345b2523391e6dcc7ca080b799aea8c42cfedbfd2317db43a887f26e6a7e35dbef60a90071d2ff5ed72fa1a3bc8feea9017786d600d1e25edf83187387c
SSDEEP

98304:uFDx9x4c8hIQ4ziSqKW/B0qOnCe4fPtAZkLl+n2:Axkc8mQ429KWJ0qaK3tAZzn2

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

danny.no-ip.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/920-2-0x0000000010000000-0x0000000010455000-memory.dmp	family_xtremerat
behavioral2/memory/920-3-0x0000000010000000-0x0000000010455000-memory.dmp	family_xtremerat
behavioral2/memory/920-4-0x0000000010000000-0x0000000010455000-memory.dmp	family_xtremerat
behavioral2/memory/920-5-0x0000000010000000-0x0000000010455000-memory.dmp	family_xtremerat
behavioral2/memory/4692-6-0x0000000010000000-0x0000000010455000-memory.dmp	family_xtremerat
behavioral2/memory/4692-14-0x0000000010000000-0x0000000010455000-memory.dmp	family_xtremerat
behavioral2/memory/920-15-0x0000000010000000-0x0000000010455000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\894Tu non mi lasciare mai - Fausto Leali.wmv.mp3	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe
File created	C:\Windows\SysWOW64\894Tu non mi lasciare mai - Fausto Leali.wmv.mp3.exe	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3200 set thread context of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83

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
4920	4692	WerFault.exe	84
4004	4692	WerFault.exe	84

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
768	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
768	vlc.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe
768	vlc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe
768	vlc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 3200 wrote to memory of 920	3200	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	83
PID 920 wrote to memory of 4692	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	84
PID 920 wrote to memory of 4692	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	84
PID 920 wrote to memory of 4692	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	84
PID 920 wrote to memory of 4692	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	84
PID 920 wrote to memory of 2544	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	85
PID 920 wrote to memory of 2544	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	85
PID 920 wrote to memory of 2544	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	85
PID 920 wrote to memory of 768	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	91
PID 920 wrote to memory of 768	920	JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_322bf28a650ec5e79f2cb95cbcf408ca.exe"
  2⤵
  - Checks computer location settings
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:920
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4692
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 480
      4⤵
      Program crash
      PID:4920
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 476
      4⤵
      Program crash
      PID:4004
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2544
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Windows\system32\894Tu non mi lasciare mai - Fausto Leali.wmv.mp3"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4692 -ip 4692
1⤵
PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4692 -ip 4692
1⤵
PID:744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\894Tu non mi lasciare mai - Fausto Leali.wmv.mp3

Filesize
4.0MB

MD5
2ff7501ecbeec22f936a4704a506f687

SHA1
f596a7dc2fe17160a61f46c34347f28410011d57

SHA256
beab94a18e79c3cf0022f591cb053ee34bba60d677a9de46c114a7b47e65e657

SHA512
829ca34a70f3a3f9286cbc9b5d8d4f35b6f6f2685ceec3dc2500581874c00d2ec44da85ed6150d3d68c77da24d720dcc6bb8b7516bbdc6dd39499f76c9499644

Download Submit
memory/768-31-0x00007FFE71A50000-0x00007FFE71C5B000-memory.dmp

Filesize
2.0MB

Download
memory/768-34-0x00007FFE814B0000-0x00007FFE814D1000-memory.dmp

Filesize
132KB

Download
memory/768-66-0x00007FFE709A0000-0x00007FFE71A50000-memory.dmp

Filesize
16.7MB

Download
memory/768-32-0x00007FFE709A0000-0x00007FFE71A50000-memory.dmp

Filesize
16.7MB

Download
memory/768-33-0x00007FFE814E0000-0x00007FFE81521000-memory.dmp

Filesize
260KB

Download
memory/768-27-0x00007FFE776C0000-0x00007FFE776D7000-memory.dmp

Filesize
92KB

Download
memory/768-35-0x00007FFE80BD0000-0x00007FFE80BE8000-memory.dmp

Filesize
96KB

Download
memory/768-21-0x00007FF7B8410000-0x00007FF7B8508000-memory.dmp

Filesize
992KB

Download
memory/768-22-0x00007FFE78CC0000-0x00007FFE78CF4000-memory.dmp

Filesize
208KB

Download
memory/768-24-0x00007FFE7D410000-0x00007FFE7D428000-memory.dmp

Filesize
96KB

Download
memory/768-28-0x00007FFE86560000-0x00007FFE86571000-memory.dmp

Filesize
68KB

Download
memory/768-30-0x00007FFE81530000-0x00007FFE81541000-memory.dmp

Filesize
68KB

Download
memory/768-36-0x00007FFE72A10000-0x00007FFE72A77000-memory.dmp

Filesize
412KB

Download
memory/768-26-0x00007FFE776E0000-0x00007FFE776F1000-memory.dmp

Filesize
68KB

Download
memory/768-29-0x00007FFE81550000-0x00007FFE8156D000-memory.dmp

Filesize
116KB

Download
memory/768-25-0x00007FFE77700000-0x00007FFE77717000-memory.dmp

Filesize
92KB

Download
memory/768-23-0x00007FFE71E20000-0x00007FFE720D6000-memory.dmp

Filesize
2.7MB

Download
memory/768-37-0x00007FFE80BB0000-0x00007FFE80BC7000-memory.dmp

Filesize
92KB

Download
memory/920-2-0x0000000010000000-0x0000000010455000-memory.dmp

Filesize
4.3MB

Download
memory/920-4-0x0000000010000000-0x0000000010455000-memory.dmp

Filesize
4.3MB

Download
memory/920-15-0x0000000010000000-0x0000000010455000-memory.dmp

Filesize
4.3MB

Download
memory/920-3-0x0000000010000000-0x0000000010455000-memory.dmp

Filesize
4.3MB

Download
memory/920-5-0x0000000010000000-0x0000000010455000-memory.dmp

Filesize
4.3MB

Download
memory/4692-14-0x0000000010000000-0x0000000010455000-memory.dmp

Filesize
4.3MB

Download
memory/4692-6-0x0000000010000000-0x0000000010455000-memory.dmp

Filesize
4.3MB

Download

Analysis

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