xtremerat | 4ed161bd4c36ab1add6bd37374c1276ca59334b693fd28bd95e2cd3f953ccc97

General

Target

JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
Size

843KB
MD5

748646a41dbe693c5cf65f9f7e9ae433
SHA1

9e02c4246cabd557c9539bf46a9b72db301a7c09
SHA256

4ed161bd4c36ab1add6bd37374c1276ca59334b693fd28bd95e2cd3f953ccc97
SHA512

eed1011e8aaa9d2cb767030c61009c9817988f2bd644df8ca2b81f4e726d394512c2d6c09b1211ed9ee5a82d4872a44ae089868d321ae6d7b318445034cd259c
SSDEEP

12288:whkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aFpPF5MEq:4RmJkcoQricOIQxiZY1iaTPFaEq

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

rkt.no-ip.org

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/4692-0-0x00000000000D0000-0x000000000011A000-memory.dmp	family_xtremerat
behavioral2/memory/4692-1-0x00000000000D0000-0x000000000011A000-memory.dmp	family_xtremerat
behavioral2/memory/4692-2-0x00000000000D0000-0x000000000011A000-memory.dmp	family_xtremerat
behavioral2/memory/4692-3-0x00000000000D0000-0x000000000011A000-memory.dmp	family_xtremerat
behavioral2/memory/4012-4-0x00000000000D0000-0x000000000011A000-memory.dmp	family_xtremerat
behavioral2/memory/4692-7-0x00000000000D0000-0x000000000011A000-memory.dmp	family_xtremerat
behavioral2/memory/4012-8-0x00000000000D0000-0x000000000011A000-memory.dmp	family_xtremerat
behavioral2/memory/4692-9-0x00000000000D0000-0x000000000011A000-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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{GU4V8AV7-P7K3-0S5G-F07S-44441OE83P5F}	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{GU4V8AV7-P7K3-0S5G-F07S-44441OE83P5F}\StubPath = "C:\\Windows\\system32\\Graphic Driver\\graphic32.exe restart"	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gaming Graphic Driver = "C:\\Windows\\system32\\Graphic Driver\\graphic32.exe"	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\Graphic Driver\\graphic32.exe"	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Graphic Driver\\graphic32.exe"	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Graphic Driver\graphic32.exe	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
File created	C:\Windows\SysWOW64\Graphic Driver\graphic32.exe	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
File opened for modification	C:\Windows\SysWOW64\Graphic Driver\	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 4692	2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	86

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
4560	4012	WerFault.exe	87
5032	4012	WerFault.exe	87

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_748646a41dbe693c5cf65f9f7e9ae433.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4692	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 4692	2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	86
PID 2448 wrote to memory of 4692	2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	86
PID 2448 wrote to memory of 4692	2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	86
PID 2448 wrote to memory of 4692	2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	86
PID 2448 wrote to memory of 4692	2448	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	86
PID 4692 wrote to memory of 4012	4692	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	87
PID 4692 wrote to memory of 4012	4692	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	87
PID 4692 wrote to memory of 4012	4692	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	87
PID 4692 wrote to memory of 4012	4692	JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_748646a41dbe693c5cf65f9f7e9ae433.exe"
  2⤵
  - 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 SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4692
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4012
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 484
      4⤵
      Program crash
      PID:4560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 492
      4⤵
      Program crash
      PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4012 -ip 4012
1⤵
PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4012 -ip 4012
1⤵
PID:1336

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/4012-4-0x00000000000D0000-0x000000000011A000-memory.dmp

Filesize
296KB

Download
memory/4012-8-0x00000000000D0000-0x000000000011A000-memory.dmp

Filesize
296KB

Download
memory/4692-0-0x00000000000D0000-0x000000000011A000-memory.dmp

Filesize
296KB

Download
memory/4692-1-0x00000000000D0000-0x000000000011A000-memory.dmp

Filesize
296KB

Download
memory/4692-2-0x00000000000D0000-0x000000000011A000-memory.dmp

Filesize
296KB

Download
memory/4692-3-0x00000000000D0000-0x000000000011A000-memory.dmp

Filesize
296KB

Download
memory/4692-7-0x00000000000D0000-0x000000000011A000-memory.dmp

Filesize
296KB

Download
memory/4692-9-0x00000000000D0000-0x000000000011A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads