xtremerat | 4e0a10b0b304135f423db565cd5c56bdb517ab351853c8cf496f22b76859b554

General

Target

JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
Size

212KB
MD5

448c010f97b27def89b320f2f16bf023
SHA1

e410047920fda5e58a6502d761e77570546a78ed
SHA256

4e0a10b0b304135f423db565cd5c56bdb517ab351853c8cf496f22b76859b554
SHA512

870ef17c96c4a0786f72be2edaae42f3f2882330f949a27d354cdb3b19d7ea0035467f7f6b16cea1de36dd3b02d7dfadb8e7c6c27e809162dcdbbe45aa616d4e
SSDEEP

3072:cP/yYUhFRlPa2W2ykbtT5+fKHDjzFPtPWIZOWzbSBMbXZshk4ix5RyKymZLkWe:c3Ilw2vtT5+fKHD3FtWhTO51ZQWe

Score

10^/10

xtremerat bootkit discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4524-7-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/4524-8-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/4524-10-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/4396-17-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral2/memory/4396-19-0x0000000000C80000-0x0000000000C92000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\update restart"	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\update"	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\update"	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4048 set thread context of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 1756 set thread context of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\InstallDir\update	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
File opened for modification	C:\Windows\InstallDir\update	JaffaCakes118_448c010f97b27def89b320f2f16bf023.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 4 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	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
4396	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 4048 wrote to memory of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 4048 wrote to memory of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 4048 wrote to memory of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 4048 wrote to memory of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 4048 wrote to memory of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 4048 wrote to memory of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 4048 wrote to memory of 1756	4048	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	82
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 1756 wrote to memory of 4524	1756	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	83
PID 4524 wrote to memory of 4396	4524	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	84
PID 4524 wrote to memory of 4396	4524	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	84
PID 4524 wrote to memory of 4396	4524	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	84
PID 4524 wrote to memory of 4396	4524	JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448c010f97b27def89b320f2f16bf023.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4524
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:4396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1756-2-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1756-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1756-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4396-17-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/4396-19-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/4524-7-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/4524-8-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/4524-10-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/4524-13-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads