xtremerat | 629e5058d009bc0636338571c02f41bf160d4369c653bafa3395a8ab9c57748e

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 01:56

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General

Target

8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe
Size

72KB
MD5

8e937200db3fd38f75cd6045214ec070
SHA1

a78fe6247d3a8d63114240ad72ce308dd5d1d228
SHA256

629e5058d009bc0636338571c02f41bf160d4369c653bafa3395a8ab9c57748e
SHA512

1654b79f9908ef299c9f40efb0233f0b70921cc0e49c7130a437d6685190c89b975a1a0bc8d4782e1db8a564284695e0ac6ab3339187b902c38e06b9c24fd9af
SSDEEP

768:WIkfCb1fzdqS5ZpUUO1RQjjHTSnnvQA43OAFCph7SVQV/Y6GUp75bYaJu+lX51bv:Uefcu9jCv/43OAo296G6dlJmg5Tf9u8x

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

kyfen.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4872-2-0x0000000010000000-0x0000000010068000-memory.dmp	family_xtremerat
behavioral2/memory/4340-3-0x0000000010000000-0x0000000010068000-memory.dmp	family_xtremerat
behavioral2/memory/4872-4-0x0000000010000000-0x0000000010068000-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
1592	4872	WerFault.exe	85
2012	4872	WerFault.exe	85

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	8e937200db3fd38f75cd6045214ec070_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 4340 wrote to memory of 4872	4340	8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe	85
PID 4340 wrote to memory of 4872	4340	8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe	85
PID 4340 wrote to memory of 4872	4340	8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe	85
PID 4340 wrote to memory of 4872	4340	8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe	85
PID 4340 wrote to memory of 2492	4340	8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe	87
PID 4340 wrote to memory of 2492	4340	8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe	87
PID 4340 wrote to memory of 2492	4340	8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e937200db3fd38f75cd6045214ec070_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4340
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 492
    3⤵
    - Program crash
    PID:1592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 500
    3⤵
    - Program crash
    PID:2012
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4872 -ip 4872
1⤵
PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4872 -ip 4872
1⤵
PID:2360

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/4340-0-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/4340-1-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/4340-3-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/4872-2-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/4872-4-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download