xtremerat | 30254bdef875a3a21897d6ecd8845f005721ab6dcf7fe05a17b9fa2dfd1731d5

General

Target

a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe
Size

44KB
MD5

a56bce337090724acfb239e5fef18f88
SHA1

b8fbbb621658ce1945f2a2a688ea2df8b52873aa
SHA256

30254bdef875a3a21897d6ecd8845f005721ab6dcf7fe05a17b9fa2dfd1731d5
SHA512

9b1bd8a92712e37bfcd2fb4cfbf51b74ed4e35022c61c3b3e150c285eda090f40c74488b57bc58e6368a6590f2b326b9a663146fc3e3f147c18c1e24b7e8067e
SSDEEP

768:rBr+tjFqTPkAlfztB1lr6anXsmTg8uvm2jfOTwYPI+zoJ1L:FyRUHlrL1lr6anXTruvm27uQCozL

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

namehost.dyndns.org

Signatures

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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart"	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3280	explorer.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\\system32\\wbem\\xml.exe"	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe"	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wbem\xml.exe	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wbem\xml.exe	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wbem\	a56bce337090724acfb239e5fef18f88_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 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	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4628	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4628	3936	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe	85
PID 3936 wrote to memory of 4628	3936	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe	85
PID 3936 wrote to memory of 4628	3936	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe	85
PID 3936 wrote to memory of 3280	3936	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe	88
PID 3936 wrote to memory of 3280	3936	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe	88
PID 3936 wrote to memory of 3280	3936	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe	88
PID 3936 wrote to memory of 3280	3936	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe	88
PID 3936 wrote to memory of 4628	3936	a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a56bce337090724acfb239e5fef18f88_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4628
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3280

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

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

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/3280-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/3936-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4628-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/4628-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads