xtremerat | 9ac7bea93d641666f0c1468355b212f5a91d8a4144fd30c332542a2737b1c1c2

General

Target

JaffaCakes118_77998898264d408477fa6598d25058eb.exe
Size

158KB
MD5

77998898264d408477fa6598d25058eb
SHA1

63c9ee82f4db9f474407da35d6b362a909e6557b
SHA256

9ac7bea93d641666f0c1468355b212f5a91d8a4144fd30c332542a2737b1c1c2
SHA512

439c30e0bf099d1c40dd709ca7ca67f985862cb805147a85cee106087245d7da7d3b98587b9b60d81b8cff8b617c71bd47ba0395f9f122512cb5ec74102ae39d
SSDEEP

1536:Vsq+QV4rObAdXWpfKy/Vz97qjh3rmKPNIoT:M44rjktzojZqMNIoT

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2472-2-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2516-5-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/576-6-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2516-8-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/files/0x00070000000195c5-9.dat	family_xtremerat
behavioral1/memory/2472-10-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2516-11-0x0000000010000000-0x0000000010051000-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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\Microsoft\\windows.exe restart"	notepad.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\Microsoft\\windows.exe"	svchost.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\\Microsoft\\windows.exe"	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Microsoft\\windows.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Microsoft\\windows.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Microsoft\\windows.exe"	notepad.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft\windows.exe	notepad.exe
File created	C:\Windows\Microsoft\windows.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_77998898264d408477fa6598d25058eb.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
2516	notepad.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 576 wrote to memory of 2472	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	31
PID 576 wrote to memory of 2472	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	31
PID 576 wrote to memory of 2472	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	31
PID 576 wrote to memory of 2472	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	31
PID 576 wrote to memory of 2472	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	31
PID 576 wrote to memory of 2516	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	32
PID 576 wrote to memory of 2516	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	32
PID 576 wrote to memory of 2516	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	32
PID 576 wrote to memory of 2516	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	32
PID 576 wrote to memory of 2516	576	JaffaCakes118_77998898264d408477fa6598d25058eb.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77998898264d408477fa6598d25058eb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77998898264d408477fa6598d25058eb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:576
- 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:2472
- C:\Windows\SysWOW64\notepad.exe
  notepad.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
  PID:2516

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\Microsoft\windows.exe

Filesize
158KB

MD5
77998898264d408477fa6598d25058eb

SHA1
63c9ee82f4db9f474407da35d6b362a909e6557b

SHA256
9ac7bea93d641666f0c1468355b212f5a91d8a4144fd30c332542a2737b1c1c2

SHA512
439c30e0bf099d1c40dd709ca7ca67f985862cb805147a85cee106087245d7da7d3b98587b9b60d81b8cff8b617c71bd47ba0395f9f122512cb5ec74102ae39d

Download Submit
memory/576-6-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2472-1-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2472-2-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2472-10-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2516-5-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2516-8-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/2516-11-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads