xtremerat | 3a5f4007bdb13e0f9d0d6de69a7cb4153f5d0ce66d3bc85d3778e950330f6edd

Analysis

max time kernel
94s
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
25/01/2025, 15:49

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General

Target

JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe
Size

136KB
MD5

2d310a4e3cbe6cd09561c919c7d8d862
SHA1

201af6c114fe88e50e79416cf6c0e502f5f9cffa
SHA256

3a5f4007bdb13e0f9d0d6de69a7cb4153f5d0ce66d3bc85d3778e950330f6edd
SHA512

371ed486e2523337b7b10ca98dfadddd86f4b5c07ace05a3c275ef658f4af8f64d5c94f8ea8c87a6d9b958983ffc22c32b2e4cbfef45ffe8e04307bb9865f0cb
SSDEEP

1536:7AKZjlelHaXYkr99nMSlZA4UrMUwyB9H6tXWCxJ/x9NjMh6490Ll3KUj+Ud1+FbS:7A8IkYkAp79Hmz9JMh6n3KUeFb8/T

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/2956-5-0x0000000010000000-0x000000001004A000-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

Executes dropped EXE 1 IoCs

pid	Process
2956	win86.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\runAPI79 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\runAPI46.exe\""	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3604 set thread context of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3192	2956	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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_2d310a4e3cbe6cd09561c919c7d8d862.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83
PID 3604 wrote to memory of 2956	3604	JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d310a4e3cbe6cd09561c919c7d8d862.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Users\Admin\AppData\Local\Temp\win86.exe
  C:\Users\Admin\AppData\Local\Temp\win86.exe
  2⤵
  - Executes dropped EXE
  PID:2956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 12
    3⤵
    - Program crash
    PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2956 -ip 2956
1⤵
PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\win86.exe

Filesize
4KB

MD5
5e5ecae8b08152c885904cde71c50dad

SHA1
727f24d102ab29be690c783ddc149b3a39430fb6

SHA256
b3550952a2474802ae5f2d2d7e75987ccd7ca23baa8ba015c3eaa6fd04b55541

SHA512
dd6287a8471aa575abbcf46300ac64a170c0cb19052d779c7bc0899149c6114a4e42520756dae1598e18458d94522d6c7701a7bc3a37067ac2a1616dbbf8e5ea

Download Submit
memory/2956-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3604-0-0x0000000075392000-0x0000000075393000-memory.dmp

Filesize
4KB

Download
memory/3604-1-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/3604-2-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/3604-9-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads