xtremerat | cfb8e373d25c3066be308e95f75d6bd1e3d0f55391143f0c1430bcdcf54ce861

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 22:02

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General

Target

JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe
Size

1.1MB
MD5

687b0fb7b4ff87c0961ad7a347a169c5
SHA1

5f79997c39a214f392240570f336f381403d89d7
SHA256

cfb8e373d25c3066be308e95f75d6bd1e3d0f55391143f0c1430bcdcf54ce861
SHA512

b1822f80236a708c9c242f6d80b4bb82ab3df85f79165f179da0704b88c90fd0afecfdd9af0e72be15539a34510f30f43961cb875c88d647ff22ad61fb867d19
SSDEEP

1536:i8qDqQMKgMK3tGjbNwPZ6CIeXHWzlyD9yD9Z:iqcXKdcNeXHWZyYX

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

windows.sytes.net

Signatures

Detect XtremeRAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/2720-0-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1224-1-0x0000000010000000-0x0000000010048000-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 4 IoCs

pid	pid_target	Process	procid_target
2492	1224	WerFault.exe	82
1508	2720	WerFault.exe	83
4936	1224	WerFault.exe	82
552	2720	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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_687b0fb7b4ff87c0961ad7a347a169c5.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 2720	1224	JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe	83
PID 1224 wrote to memory of 2720	1224	JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe	83
PID 1224 wrote to memory of 2720	1224	JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe	83
PID 1224 wrote to memory of 2720	1224	JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe	83
PID 1224 wrote to memory of 776	1224	JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe	84
PID 1224 wrote to memory of 776	1224	JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe	84
PID 1224 wrote to memory of 776	1224	JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_687b0fb7b4ff87c0961ad7a347a169c5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 204
    3⤵
    - Program crash
    PID:1508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 200
    3⤵
    - Program crash
    PID:552
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:776
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 652
  2⤵
  - Program crash
  PID:2492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 720
  2⤵
  - Program crash
  PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2720 -ip 2720
1⤵
PID:4852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1224 -ip 1224
1⤵
PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1224 -ip 1224
1⤵
PID:536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2720 -ip 2720
1⤵
PID:3516

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/1224-1-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2720-0-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download