xtremerat | ec9adf81ba9d9d46eaf2f118fdc93c135368e34b786414db1d2edf05ac278fce

General

Target

JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe
Size

61KB
MD5

866c66d6f7543e9707b7ac2363bb89de
SHA1

8d9d176c57013dd87b8b1e0b941cf4a7fbb11b4d
SHA256

ec9adf81ba9d9d46eaf2f118fdc93c135368e34b786414db1d2edf05ac278fce
SHA512

fa66e23fd69cc8b3cec3b5b9e564d27edb3b8d3233b414c1ae28338dd8fb4a4bebb53d683f82ed6774ef23f5deb886722c34dda8c2b72cf1fe484f9257f0cccb
SSDEEP

1536:pT8qDqQ8K9MKhuiUMKgP2koJ0w8tl5NXH:tqMyKQLKw8/7

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

amhi.no-ip.info

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2696-2-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2156-6-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2772-5-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2772-9-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/files/0x0008000000016a66-10.dat	family_xtremerat
behavioral1/memory/2696-11-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral1/memory/2772-12-0x0000000010000000-0x0000000010047000-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 4 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\{OK78736S-42O5-3NC0-4M31-L30Q5R78HMEH}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{OK78736S-42O5-3NC0-4M31-L30Q5R78HMEH}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	notepad.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{OK78736S-42O5-3NC0-4M31-L30Q5R78HMEH}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{OK78736S-42O5-3NC0-4M31-L30Q5R78HMEH}\StubPath = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2772	notepad.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\InstallDir\Server.exe	notepad.exe
File opened for modification	C:\Windows\InstallDir\	notepad.exe
File opened for modification	C:\Windows\InstallDir\Server.exe	notepad.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	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2772	notepad.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2696	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	30
PID 2156 wrote to memory of 2696	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	30
PID 2156 wrote to memory of 2696	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	30
PID 2156 wrote to memory of 2696	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	30
PID 2156 wrote to memory of 2696	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	30
PID 2156 wrote to memory of 2772	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	31
PID 2156 wrote to memory of 2772	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	31
PID 2156 wrote to memory of 2772	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	31
PID 2156 wrote to memory of 2772	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	31
PID 2156 wrote to memory of 2772	2156	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Deletes itself
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2772

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

C:\Windows\InstallDir\Server.exe

Filesize
61KB

MD5
866c66d6f7543e9707b7ac2363bb89de

SHA1
8d9d176c57013dd87b8b1e0b941cf4a7fbb11b4d

SHA256
ec9adf81ba9d9d46eaf2f118fdc93c135368e34b786414db1d2edf05ac278fce

SHA512
fa66e23fd69cc8b3cec3b5b9e564d27edb3b8d3233b414c1ae28338dd8fb4a4bebb53d683f82ed6774ef23f5deb886722c34dda8c2b72cf1fe484f9257f0cccb

Download Submit
memory/2156-6-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2696-0-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2696-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2696-11-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2772-5-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2772-9-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2772-12-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads