xtremerat | b7c149c32f4a808072ad5d96506abb24ac8b9f483874a40ba36939865ecf8e42

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 11:50

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General

Target

51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Size

306KB
MD5

51f233b146dd0a4e5b0f7b10b36564a4
SHA1

65a46c9d479be9e96b211d5cef6dcf10d8efa165
SHA256

b7c149c32f4a808072ad5d96506abb24ac8b9f483874a40ba36939865ecf8e42
SHA512

c542a668732fc817bdeebbf636cacdf55240f81e0e2fead614e1e293e281870cfd56415382444efdd4ca4d1ee910bf4d1f9ea8e75e2925a2bc4dbdcb420ff218
SSDEEP

6144:CcOkzRueZq/UAEb1Qlei+GQpuc4TyQOGoQbwyUx/F8pKMOqRPHY:ttudUAEb1Q7+GVpT0SuCtOq+

Score

10^/10

xtremerat bootkit discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

4ever4.zapto.org

enadksa.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2708-58-0x0000000010000000-0x0000000010056000-memory.dmp	family_xtremerat
behavioral1/memory/2708-56-0x0000000010000000-0x0000000010056000-memory.dmp	family_xtremerat
behavioral1/memory/2264-63-0x0000000010000000-0x0000000010056000-memory.dmp	family_xtremerat
behavioral1/memory/2708-64-0x0000000010000000-0x0000000010056000-memory.dmp	family_xtremerat
behavioral1/memory/2264-65-0x0000000010000000-0x0000000010056000-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

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

Processes:

51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2936 set thread context of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2708-58-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral1/memory/2708-56-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral1/memory/2708-55-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral1/memory/2708-50-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral1/memory/2264-63-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral1/memory/2708-64-0x0000000010000000-0x0000000010056000-memory.dmp	upx
behavioral1/memory/2264-65-0x0000000010000000-0x0000000010056000-memory.dmp	upx

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

Processes:

51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 3 IoCs

Processes:

51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

pid	Process
2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2708	2936	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2264	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2264	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2264	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2264	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2264	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	32
PID 2708 wrote to memory of 2644	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	33
PID 2708 wrote to memory of 2644	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	33
PID 2708 wrote to memory of 2644	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	33
PID 2708 wrote to memory of 2644	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	33
PID 2708 wrote to memory of 2644	2708	51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\51f233b146dd0a4e5b0f7b10b36564a4_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2264
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/2264-63-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2264-65-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2264-61-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2708-58-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2708-56-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2708-55-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2708-50-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2708-64-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2936-36-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-30-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-4-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-3-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-2-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-1-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-26-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-28-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-29-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-27-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-25-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-24-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-35-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-43-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-45-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-44-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-42-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-41-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-40-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-39-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-38-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-37-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-5-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-34-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-33-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-32-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2936-31-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-8-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-23-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-22-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-21-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-20-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-19-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-18-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-17-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-16-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-15-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-14-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-13-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-12-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-11-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-10-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-9-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-46-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2936-49-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/2936-57-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2936-60-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/2936-54-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-53-0x0000000003970000-0x0000000003A64000-memory.dmp

Filesize
976KB

Download
memory/2936-6-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-7-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2936-0-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/2936-51-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download