xtremerat | ec9adf81ba9d9d46eaf2f118fdc93c135368e34b786414db1d2edf05ac278fce

Analysis

max time kernel
105s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 14:20

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General

Target

JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe
Size

61KB
MD5

866c66d6f7543e9707b7ac2363bb89de
SHA1

8d9d176c57013dd87b8b1e0b941cf4a7fbb11b4d
SHA256

ec9adf81ba9d9d46eaf2f118fdc93c135368e34b786414db1d2edf05ac278fce
SHA512

fa66e23fd69cc8b3cec3b5b9e564d27edb3b8d3233b414c1ae28338dd8fb4a4bebb53d683f82ed6774ef23f5deb886722c34dda8c2b72cf1fe484f9257f0cccb
SSDEEP

1536:pT8qDqQ8K9MKhuiUMKgP2koJ0w8tl5NXH:tqMyKQLKw8/7

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

amhi.no-ip.info

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3968-4-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4116-2-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4564-1-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/3968-0-0x0000000010000000-0x0000000010047000-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
Xtremerat family
xtremerat
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
2752	4564	WerFault.exe
5760	3968	WerFault.exe	85
1968	4564	WerFault.exe
1416	3968	WerFault.exe	85

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	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 3968	4116	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	85
PID 4116 wrote to memory of 3968	4116	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	85
PID 4116 wrote to memory of 3968	4116	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	85
PID 4116 wrote to memory of 3968	4116	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	85
PID 4116 wrote to memory of 4564	4116	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	86
PID 4116 wrote to memory of 4564	4116	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	86
PID 4116 wrote to memory of 4564	4116	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	86
PID 4116 wrote to memory of 4564	4116	JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_866c66d6f7543e9707b7ac2363bb89de.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 484
    3⤵
    - Program crash
    PID:1416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 492
    3⤵
    - Program crash
    PID:5760
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 480
    3⤵
    - Program crash
    PID:1968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 488
    3⤵
    - Program crash
    PID:2752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3968 -ip 3968
1⤵
PID:436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4564 -ip 4564
1⤵
PID:2708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3968 -ip 3968
1⤵
PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4564 -ip 4564
1⤵
PID:3136

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/3968-4-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/3968-0-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4116-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4564-1-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download