xtremerat | 1ba9e0e680bb0600dd352b879a25b7db298f67af0389dc17a7294e576e631561

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 12:07

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General

Target

8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe
Size

66KB
MD5

8b679de54e5842a9ae8c9aac0650675b
SHA1

4d2d1f5a67357fc7791ba1e4ab736d2c083726b5
SHA256

1ba9e0e680bb0600dd352b879a25b7db298f67af0389dc17a7294e576e631561
SHA512

e99feaf79b8b035a86a8dca6a5001ee276305ae80e696ab8d05fcc4a1114776056b70647214232e795297a7598f1eba7d78e3cb5aec0b82723f839832b686dd0
SSDEEP

768:I9m1Sq4NQkrBsH1U8z05DeeQuMVTyN8ipHo37Vmd6AeXVtWAJXSTbtFggSl5q:psq+Q1aZQuIyJp0mgA+FJ0+5q

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

loool200.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4312-0-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2628-1-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4312-2-0x0000000010000000-0x0000000010048000-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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4332 4312 WerFault.exe svchost.exe
4568 4312 WerFault.exe svchost.exe

pid	pid_target	process	target process
4332	4312	WerFault.exe	svchost.exe
4568	4312	WerFault.exe	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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:

8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe

description	pid	process	target process
PID 2628 wrote to memory of 4312	2628	8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe	svchost.exe
PID 2628 wrote to memory of 4312	2628	8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe	svchost.exe
PID 2628 wrote to memory of 4312	2628	8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe	svchost.exe
PID 2628 wrote to memory of 4312	2628	8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe	svchost.exe
PID 2628 wrote to memory of 2704	2628	8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe	msedge.exe
PID 2628 wrote to memory of 2704	2628	8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe	msedge.exe
PID 2628 wrote to memory of 2704	2628	8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8b679de54e5842a9ae8c9aac0650675b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 476
    3⤵
    - Program crash
    PID:4332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 488
    3⤵
    - Program crash
    PID:4568
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4312 -ip 4312
1⤵
PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4312 -ip 4312
1⤵
PID:2376

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/2628-1-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4312-0-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4312-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download