xtremerat | 1f5b5f662b6740934ae20a5bd735686d49bdc15aec27165ef74275b063375477

Analysis

max time kernel
94s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 17:23

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General

Target

d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe
Size

172KB
MD5

d4e1c7ddfb06cc9dc9b499502a988ffc
SHA1

9f5f6bfb7c925eb44d03b7a29b8b9ed39f7edffb
SHA256

1f5b5f662b6740934ae20a5bd735686d49bdc15aec27165ef74275b063375477
SHA512

3a0491c412e62534950bb5063e14dc0a99c9b985b52571309aa774d2c33f80bbfcc30a345d78a2fcf14a1941c9b9faa10b66f0ac8a00dd0906b69c8f3e713c7b
SSDEEP

3072:25eRAMziHGYsyikqOajWgBrRYfnE4sl5BUjJj1MXqN3c5Zy9BaoGJ1uG4at:25emMSBs5OtgBefnEJqjJiXo3OZ+Guat

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

kyfen.no-ip.biz

�䌀ကunnamed.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1624-4-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/1624-5-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/1624-6-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/1624-7-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/464-8-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/1624-10-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/464-11-0x0000000010000000-0x000000001004C000-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
3152	464	WerFault.exe	83
1392	464	WerFault.exe	83

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	d4e1c7ddfb06cc9dc9b499502a988ffc_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 1624 wrote to memory of 464	1624	d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe	83
PID 1624 wrote to memory of 464	1624	d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe	83
PID 1624 wrote to memory of 464	1624	d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe	83
PID 1624 wrote to memory of 464	1624	d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe	83
PID 1624 wrote to memory of 4956	1624	d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe	85
PID 1624 wrote to memory of 4956	1624	d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe	85
PID 1624 wrote to memory of 4956	1624	d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d4e1c7ddfb06cc9dc9b499502a988ffc_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 484
    3⤵
    - Program crash
    PID:3152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 492
    3⤵
    - Program crash
    PID:1392
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 464 -ip 464
1⤵
PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 464 -ip 464
1⤵
PID:3228

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/464-8-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/464-11-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1624-0-0x0000000010001000-0x0000000010003000-memory.dmp

Filesize
8KB

Download
memory/1624-1-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1624-3-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1624-4-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1624-5-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1624-6-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1624-7-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/1624-10-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download