xtremerat | 89eb6d8b59331ae386fb085a32b3e2c05b0b0741f0478d0c9ecab1cd21d2d960

General

Target

JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
Size

125KB
MD5

b3c7298bcfd539b7e74a169e55017803
SHA1

eafbb294d99ad22e712b0dd10e1214d4dc980653
SHA256

89eb6d8b59331ae386fb085a32b3e2c05b0b0741f0478d0c9ecab1cd21d2d960
SHA512

438d27299f900dd46ccb394c24b78a63813cded59cda9370e7b9dc3da86afc3506f0a47cf960836fc26e0f1c2bc829cd517249cc326133480631527e9a3bf2e5
SSDEEP

3072:36tbksgGH7NFlG/FRJ1g/+AN+vZuXcsUvE0bf:qtbkmHDliFRrg/2xuXcjxf

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

vvnv12.no-ip.biz

Signatures

Detect XtremeRAT payload 9 IoCs

resource	yara_rule
behavioral2/memory/4728-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4728-2-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4728-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4728-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4372-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4728-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4728-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4372-12-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4728-13-0x0000000010000000-0x000000001004A000-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
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\Windows Genuine Update\\Advantage.exe restart"	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.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\Windows Genuine Update = "C:\\Windows\\Windows Genuine Update\\Advantage.exe"	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Genuine Update = "C:\\Windows\\Windows Genuine Update\\Advantage.exe"	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3908 set thread context of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Windows Genuine Update\Advantage.exe	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
File created	C:\Windows\Windows Genuine Update\Advantage.exe	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
File opened for modification	C:\Windows\Windows Genuine Update\	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.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
732	4372	WerFault.exe	85
840	4372	WerFault.exe	85

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_b3c7298bcfd539b7e74a169e55017803.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
4728	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 3908 wrote to memory of 4728	3908	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	84
PID 4728 wrote to memory of 4372	4728	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	85
PID 4728 wrote to memory of 4372	4728	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	85
PID 4728 wrote to memory of 4372	4728	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	85
PID 4728 wrote to memory of 4372	4728	JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4728
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 480
      4⤵
      Program crash
      PID:732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 500
      4⤵
      Program crash
      PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4372 -ip 4372
1⤵
PID:424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4372 -ip 4372
1⤵
PID:1152

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/4372-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4372-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4728-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4728-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4728-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4728-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4728-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4728-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4728-13-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads