xtremerat | fdab0a31ff67dffb842e2804a98f382aa60fcf8db5b7f405b0bcf2983175c53f

Analysis

max time kernel
115s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 16:05

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General

Target

528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
Size

250KB
MD5

528bc0869a28d3040c8032459698b12e
SHA1

7eee273cf12b17ea80c8bb76f3be3f456a23f51d
SHA256

fdab0a31ff67dffb842e2804a98f382aa60fcf8db5b7f405b0bcf2983175c53f
SHA512

2aa442406bd8ab8ed1787b778543bbe2a7befedf4128af4b58e063721c887c6bc94e1148ebb734a78c638bf9828cb3f4e9649710a08f25884197c68748afaacd
SSDEEP

6144:tCNGbnw4LTMcG9Tdajy5iJ9ZzoUaS3BB06Alwc:tCNQPHBmajy5sz06Al

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

far3on.zapto.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/2732-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2732-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2732-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2732-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3992-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2732-10-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3992-11-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1776 set thread context of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 set thread context of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.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
2892	3992	WerFault.exe	88
2856	3992	WerFault.exe	88

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	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 2732	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	84
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 2732 wrote to memory of 3992	2732	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	88
PID 2732 wrote to memory of 3992	2732	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	88
PID 2732 wrote to memory of 3992	2732	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	88
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 2732 wrote to memory of 3992	2732	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	88
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 2732 wrote to memory of 1492	2732	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	89
PID 2732 wrote to memory of 1492	2732	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	89
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 1776 wrote to memory of 0	1776	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
PID 2732 wrote to memory of 1492	2732	528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Users\Admin\AppData\Local\Temp\528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\528bc0869a28d3040c8032459698b12e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 480
      4⤵
      Program crash
      PID:2892
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 488
      4⤵
      Program crash
      PID:2856
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3992 -ip 3992
1⤵
PID:1412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3992 -ip 3992
1⤵
PID:3856

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

Replay Monitor

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Downloads

memory/1776-0-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/1776-9-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/2732-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2732-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2732-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2732-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2732-10-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3992-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3992-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download