xtremerat | 6121d9b2eb307726d78bd4ba089aa5a217b2a7f9d8c283ae9a1cbec087c0b8fa

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 23:24

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General

Target

JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe
Size

65KB
MD5

76b11849d41df0f43c1fe4e780852bf2
SHA1

00a74cd5dad6974ccb1ea49a5fad70f5b4c15625
SHA256

6121d9b2eb307726d78bd4ba089aa5a217b2a7f9d8c283ae9a1cbec087c0b8fa
SHA512

fa485f7edd93ac530ad93e600dfea84d4acaff73b8d75d39323705d2d8982f287e189e917bc7346010275fc5dfef991ca615049f0f61443a8065400055cc5329
SSDEEP

1536:ssq+QV4rObAdNoAf5UqiYmlArNwCobx8v:p44rOR1Ajo1O

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3872-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4612-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3872-2-0x0000000010000000-0x000000001004A000-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
3272	3872	WerFault.exe	85
1740	3872	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	JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 3872	4612	JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe	85
PID 4612 wrote to memory of 3872	4612	JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe	85
PID 4612 wrote to memory of 3872	4612	JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe	85
PID 4612 wrote to memory of 3872	4612	JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe	85
PID 4612 wrote to memory of 3180	4612	JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe	86
PID 4612 wrote to memory of 3180	4612	JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe	86
PID 4612 wrote to memory of 3180	4612	JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76b11849d41df0f43c1fe4e780852bf2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 476
    3⤵
    - Program crash
    PID:3272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 488
    3⤵
    - Program crash
    PID:1740
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3872 -ip 3872
1⤵
PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3872 -ip 3872
1⤵
PID:996

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

Replay Monitor

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Downloads

memory/3872-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3872-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4612-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download