xtremerat | 31166c12bf45a1fd90c19b0ffd75dccefc921ba3adf1db3377687c7cf594f9a0

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 18:40

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General

Target

JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe
Size

167KB
MD5

5a214df6ff98abe072c84a54fd6b6a2e
SHA1

f32e7b4a432ff09a1ffb1dc85194425e48092720
SHA256

31166c12bf45a1fd90c19b0ffd75dccefc921ba3adf1db3377687c7cf594f9a0
SHA512

5af3ed2ff761504a2623d4e948c6b1d5d0b71cb05ae754056b1bc8a17c472a5691474000142599a211c0ce7693f9595d966855f885f975ab2e417c02e611107f
SSDEEP

3072:7/QVZG2YfLc0YfDsj6/uxGE5H3Ibm9sPpCIAIF86/WJhoPT1czphNt:7Bw0YAG/OG4JsxQIFFeDoL2zph

Score

10^/10

xtremerat bootkit discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

finders.hopto.org

Signatures

Detect XtremeRAT payload 9 IoCs

resource	yara_rule
behavioral2/memory/396-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/396-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/396-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4032-15-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1596-16-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1596-19-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1596-18-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4032-20-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1596-21-0x0000000010000000-0x000000001004A000-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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{67Y18SF0-58HJ-YRVS-O7A4-83320TV80YU0}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{67Y18SF0-58HJ-YRVS-O7A4-83320TV80YU0}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\csrss.exe restart"	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\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\csrss.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\csrss.exe"	explorer.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3572 set thread context of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3516 set thread context of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3572-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3572-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx

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
1936	4032	WerFault.exe	90
1856	4032	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 5 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe
3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe
1596	explorer.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3572 wrote to memory of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3572 wrote to memory of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3572 wrote to memory of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3572 wrote to memory of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3572 wrote to memory of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3572 wrote to memory of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3572 wrote to memory of 3516	3572	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	88
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 3516 wrote to memory of 396	3516	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	89
PID 396 wrote to memory of 4032	396	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	90
PID 396 wrote to memory of 4032	396	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	90
PID 396 wrote to memory of 4032	396	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	90
PID 396 wrote to memory of 4032	396	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	90
PID 396 wrote to memory of 1596	396	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	91
PID 396 wrote to memory of 1596	396	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	91
PID 396 wrote to memory of 1596	396	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	91
PID 396 wrote to memory of 1596	396	JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3572
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3516
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a214df6ff98abe072c84a54fd6b6a2e.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:396
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:4032
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 480
        5⤵
        Program crash
        
        PID:1936
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 488
        5⤵
        Program crash
        
        PID:1856
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:1596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4032 -ip 4032
1⤵
PID:3124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4032 -ip 4032
1⤵
PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/396-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/396-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/396-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1596-16-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1596-19-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1596-18-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1596-21-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3516-5-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3516-3-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3516-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3572-6-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/3572-0-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4032-15-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4032-20-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads