xtremerat | d17884f1b324c075ec44bc5e94302110f370237b45a8e3ded80ecb4f58da0925

General

Target
20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe
Size 312KB
Sample240703-ebvd3awclg
SHA256 d17884f1b324c075ec44bc5e94302110f370237b45a8e3ded80ecb4f58da0925
MD5 20f9aba50a255d06d96f28aa12e56fc6
SHA1 384c39fc85c2d6ee45f57b7d9e8016badbb647b2
SHA512 df45a39a364b5fc5e14512963bd2b7166bc987809dfc2505c0df0558b15905b8ab978283fb1d9edf5bf4482d69a695700bdef4f232d108b840f8ce550cad704b
SSDEEP 1536:tpwPGSmhCmW7G/K6nL0Jbdpw0gwmoeMAa9M1NOXf8MzzuK:EGSkX/KRJ56wmoeMAa9M1RM3p
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

angham.no-ip.biz

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/936-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/936-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/936-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/936-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3812-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/936-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3812-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/936-10-0x0000000010000000-0x000000001004A000-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

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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{454KY806-HW62-UC07-V56X-5W424N3I2SXF}	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{454KY806-HW62-UC07-V56X-5W424N3I2SXF}\StubPath = "C:\\Windows\\InstallDir\\Wndows.exe restart"	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.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\\Wndows.exe"	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Wndows.exe"	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1324 set thread context of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Wndows.exe	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Wndows.exe	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe

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
3324	3812	WerFault.exe	84
1544	3812	WerFault.exe	84

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe
936	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 1324 wrote to memory of 936	1324	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	83
PID 936 wrote to memory of 3812	936	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	84
PID 936 wrote to memory of 3812	936	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	84
PID 936 wrote to memory of 3812	936	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	84
PID 936 wrote to memory of 3812	936	20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Users\Admin\AppData\Local\Temp\20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\20f9aba50a255d06d96f28aa12e56fc6_JaffaCakes118.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:936
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:3812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 476
      4⤵
      Program crash
      PID:3324
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 488
      4⤵
      Program crash
      PID:1544