xtremerat | 8e85fd6cdb0091d060260384900869536ce00b202c00ec1627b0930808a3c93e

General

Target

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Size

764KB
MD5

832f2b111403ad8ba6994a6edd624fff
SHA1

f4d8334159868ee2233cfa38a100f58a65651523
SHA256

8e85fd6cdb0091d060260384900869536ce00b202c00ec1627b0930808a3c93e
SHA512

0d4dccadf8e651d01cadb0895646b52169ed9c51d76764a87864351ec6801c44ec02d742bd4f90bb71f745f2c5783c6414a5a3d347a7e35d040f953de351ed03
SSDEEP

12288:h5mt0idn673b33FeokUwwwMMNoOrAAgQCRwp57HGOvQyUgSG:hwtF6wYez9IywG

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

kr4tos.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2904-7-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/2904-8-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/2904-12-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/3288-20-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat
behavioral2/memory/3288-22-0x0000000000C80000-0x0000000000C98000-memory.dmp	family_xtremerat

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

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

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\java = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\java = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

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

Processes:

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe restart"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\java = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\java = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\srhost.exe"	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

description	pid	process	target process
PID 2224 set thread context of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 set thread context of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.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

Processes:

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exesvchost.exe

pid process

2224 832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
4892 832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
3288 svchost.exe

pid	process
2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
3288	svchost.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4892
- - C:\Users\Admin\AppData\Local\Temp\832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      PID:3192
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      PID:2628
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      PID:928
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:3288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

4

T1112

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/2904-7-0x0000000000C80000-0x0000000000C98000-memory.dmp

Filesize
96KB

Download
memory/2904-8-0x0000000000C80000-0x0000000000C98000-memory.dmp

Filesize
96KB

Download
memory/2904-12-0x0000000000C80000-0x0000000000C98000-memory.dmp

Filesize
96KB

Download
memory/2904-13-0x0000000000400000-0x0000000000495000-memory.dmp

Filesize
596KB

Download
memory/3288-20-0x0000000000C80000-0x0000000000C98000-memory.dmp

Filesize
96KB

Download
memory/3288-22-0x0000000000C80000-0x0000000000C98000-memory.dmp

Filesize
96KB

Download
memory/4892-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4892-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4892-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

description	pid	process	target process
PID 2224 wrote to memory of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 2224 wrote to memory of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 2224 wrote to memory of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 2224 wrote to memory of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 2224 wrote to memory of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 2224 wrote to memory of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 2224 wrote to memory of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 2224 wrote to memory of 4892	2224	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 4892 wrote to memory of 2904	4892	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe
PID 2904 wrote to memory of 3192	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 3192	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 3192	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 2628	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 2628	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 2628	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 928	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 928	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 928	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 3288	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 3288	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 3288	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe
PID 2904 wrote to memory of 3288	2904	832f2b111403ad8ba6994a6edd624fff_JaffaCakes118.exe	svchost.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads