xtremerat | 319bd044c2603712d845968af175e04a02a7b06e57345ff61905d257f82d27bb

Analysis

max time kernel
130s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 00:36

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General

Target

71e8802ab441c062584a275048f5b587_JaffaCakes118.exe
Size

62KB
MD5

71e8802ab441c062584a275048f5b587
SHA1

e44e4b41a79e41d2ad14e5305deb1234ff46fee7
SHA256

319bd044c2603712d845968af175e04a02a7b06e57345ff61905d257f82d27bb
SHA512

46b918621e99c6448a6ba3209fa1e48bd325ddf279b71260045bd6199f9a7471837732507c0bd0af3f742731e7514d8fdb8e226ff6d678cf78e1f7e54b742f6d
SSDEEP

1536:tT8qDqQ+U9MKWtGjbNwPZXpxXHWTlfNX3/:5qAyKqcMXHW59

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

updatsys.sytes.net

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4160-0-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/3628-1-0x0000000010000000-0x0000000010047000-memory.dmp	family_xtremerat
behavioral2/memory/4160-2-0x0000000010000000-0x0000000010047000-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
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
4984	4160	WerFault.exe	84
1372	4160	WerFault.exe	84

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	71e8802ab441c062584a275048f5b587_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 4160	3628	71e8802ab441c062584a275048f5b587_JaffaCakes118.exe	84
PID 3628 wrote to memory of 4160	3628	71e8802ab441c062584a275048f5b587_JaffaCakes118.exe	84
PID 3628 wrote to memory of 4160	3628	71e8802ab441c062584a275048f5b587_JaffaCakes118.exe	84
PID 3628 wrote to memory of 4160	3628	71e8802ab441c062584a275048f5b587_JaffaCakes118.exe	84
PID 3628 wrote to memory of 3116	3628	71e8802ab441c062584a275048f5b587_JaffaCakes118.exe	86
PID 3628 wrote to memory of 3116	3628	71e8802ab441c062584a275048f5b587_JaffaCakes118.exe	86
PID 3628 wrote to memory of 3116	3628	71e8802ab441c062584a275048f5b587_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\71e8802ab441c062584a275048f5b587_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\71e8802ab441c062584a275048f5b587_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3628
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 484
    3⤵
    - Program crash
    PID:4984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 492
    3⤵
    - Program crash
    PID:1372
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4160 -ip 4160
1⤵
PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4160 -ip 4160
1⤵
PID:520

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/3628-1-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4160-0-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4160-2-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download