xtremerat | 749f855103a4a9bf442f6586448120d89be3d38bac229d27d32d2b6534909f0a

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2024 21:53

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General

Target

6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe
Size

52KB
MD5

6791da54946f9fcf0a30a002fd0ccb87
SHA1

0a9193bc4277fbbefc1e4280d48a119fb6468402
SHA256

749f855103a4a9bf442f6586448120d89be3d38bac229d27d32d2b6534909f0a
SHA512

97d0b5b2e5f09f6517a083ab36cfeff78dd77937975c90a6d250814d3a6e67a51d47da5ed2f7c4288663ff8523e0be3875e85f591324d8df4b79164054a54f29
SSDEEP

768:5Wc9quCDQyTZsnw0bCdovh1oMbFoUHS2NfcKAS7dGSJ/V:Uc9quCDQTwM9By25ua

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

intissar.zapto.org

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3504-0-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/2140-2-0x0000000010000000-0x0000000010045000-memory.dmp	family_xtremerat
behavioral2/memory/3504-3-0x0000000010000000-0x0000000010045000-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

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3660 3504 WerFault.exe svchost.exe
780 3504 WerFault.exe svchost.exe

pid	pid_target	process	target process
3660	3504	WerFault.exe	svchost.exe
780	3504	WerFault.exe	svchost.exe

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

Processes:

6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe

description	pid	process	target process
PID 2140 wrote to memory of 3504	2140	6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe	svchost.exe
PID 2140 wrote to memory of 3504	2140	6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe	svchost.exe
PID 2140 wrote to memory of 3504	2140	6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe	svchost.exe
PID 2140 wrote to memory of 3504	2140	6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe	svchost.exe
PID 2140 wrote to memory of 428	2140	6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe	msedge.exe
PID 2140 wrote to memory of 428	2140	6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe	msedge.exe
PID 2140 wrote to memory of 428	2140	6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6791da54946f9fcf0a30a002fd0ccb87_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 480
    3⤵
    - Program crash
    PID:3660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 488
    3⤵
    - Program crash
    PID:780
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3504 -ip 3504
1⤵
PID:3856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3504 -ip 3504
1⤵
PID:3112

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/2140-2-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3504-0-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/3504-1-0x00007FF9BBBD0000-0x00007FF9BBDC5000-memory.dmp

Filesize
2.0MB

Download
memory/3504-3-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download