xtremerat | 726fb33f8f6adf52571449a941cf822b98337403e920f9707540e4f69d115ced

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 14:18

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General

Target

bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
Size

308KB
MD5

bec610acf1f7241d3f4d91bd227b84a7
SHA1

8baa92c39b5e5d8f173afd9963e90d6e352088e2
SHA256

726fb33f8f6adf52571449a941cf822b98337403e920f9707540e4f69d115ced
SHA512

76381722f922843135cae235ab22bd97fbfe7a12da69e7afdee1b1a7c99fc0ee2380a08051958f8d8004a3419dfcc823b1029363df227693225612e6eb5f2d7e
SSDEEP

6144:jJjdcAX8NtvBTwOQUl1eMX7GKb4yvn4ODmq:ljdT2vVwOQ2MSGmff/

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

rabah1627.zapto.org

Signatures

Detect XtremeRAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/4024-3-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4024-4-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4024-5-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4024-6-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/2600-7-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4364-10-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4024-11-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/2600-13-0x0000000010000000-0x0000000010047000-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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4516 set thread context of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 set thread context of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4924	4364	WerFault.exe	89
2632	2600	WerFault.exe	88
4780	4364	WerFault.exe	89
3804	2600	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 4 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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 4024	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	84
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4024 wrote to memory of 2600	4024	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	88
PID 4024 wrote to memory of 2600	4024	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	88
PID 4024 wrote to memory of 2600	4024	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	88
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4024 wrote to memory of 2600	4024	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	88
PID 4024 wrote to memory of 4364	4024	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	89
PID 4024 wrote to memory of 4364	4024	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	89
PID 4024 wrote to memory of 4364	4024	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	89
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4516 wrote to memory of 0	4516	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
PID 4024 wrote to memory of 4364	4024	bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Users\Admin\AppData\Local\Temp\bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4024
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2600
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 488
      4⤵
      Program crash
      PID:2632
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 496
      4⤵
      Program crash
      PID:3804
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4364
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 480
      4⤵
      Program crash
      PID:4924
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 488
      4⤵
      Program crash
      PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2600 -ip 2600
1⤵
PID:4752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4364 -ip 4364
1⤵
PID:1104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4364 -ip 4364
1⤵
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2600 -ip 2600
1⤵
PID:4356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/2600-7-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/2600-13-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4024-3-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4024-4-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4024-5-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4024-6-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4024-11-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4364-10-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4516-0-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/4516-9-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download