xtremerat | cd939590f397e8abf0b8ca583b24fc1ca6b60dd3b1819ab276b88765a0d159c6

Analysis

max time kernel
70s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2025, 21:37

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General

Target

JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe
Size

64KB
MD5

a1b38ffb3a38e9673cafa6cc77800951
SHA1

7f6bdfdb95e203633e868efae3671b40b29147d8
SHA256

cd939590f397e8abf0b8ca583b24fc1ca6b60dd3b1819ab276b88765a0d159c6
SHA512

5b19a905a4c86de3fcd086a1b774e59cf6d76de798fe4c77cf11c6b0e416deeecfc2924007b5f49f98433daa618ff73c41539fbb503f62a07bd3b1d5114696ef
SSDEEP

1536:psq+QV4rObAdNoAf5UqyYY/ArNw8vFkoXAM:o44rOBDAVkox

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

x40.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/4568-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/4636-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/4568-2-0x0000000010000000-0x000000001004A000-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
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
3684	4568	WerFault.exe	87
4824	4568	WerFault.exe	87

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4568	4636	JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe	87
PID 4636 wrote to memory of 4568	4636	JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe	87
PID 4636 wrote to memory of 4568	4636	JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe	87
PID 4636 wrote to memory of 4568	4636	JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe	87
PID 4636 wrote to memory of 3704	4636	JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe	88
PID 4636 wrote to memory of 3704	4636	JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe	88
PID 4636 wrote to memory of 3704	4636	JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a1b38ffb3a38e9673cafa6cc77800951.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 484
    3⤵
    - Program crash
    PID:3684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 500
    3⤵
    - Program crash
    PID:4824
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4568 -ip 4568
1⤵
PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4568 -ip 4568
1⤵
PID:4424

Network

MITRE ATT&CK Enterprise v16

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/4568-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4568-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4636-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download