xtremerat | 21018579c539c92c6d4b28e8161effbf210724dde43dd839aa84e23d8f0cfec3

General

Target

JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe
Size

95KB
MD5

82e455803abe0bbe30e7485de60c997b
SHA1

775737947945afd30cde582ce28049a59de5b04c
SHA256

21018579c539c92c6d4b28e8161effbf210724dde43dd839aa84e23d8f0cfec3
SHA512

99f16074d68345e09653423226b7ebaa79ede897f615f8260a4bc048a7eb07ade6132872131693967d28cc19572e846f80e68f0defed9edee784810b066d1013
SSDEEP

1536:U9PB8bbPpFfNqiZSQP+pPD7R0LK2RV/ONC3MWT6fkSATXk86NPmIq:U9PB8bbj8iZSQP+6jpOeH6cV/6NPC

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

stanko.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/3980-0-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3980-1-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3980-2-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3980-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4864-4-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3980-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4864-6-0x0000000010000000-0x0000000010048000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2892 set thread context of 3980	2892	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	88

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
4888	4864	WerFault.exe	89
1676	4864	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 3 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 3980	2892	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	88
PID 2892 wrote to memory of 3980	2892	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	88
PID 2892 wrote to memory of 3980	2892	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	88
PID 2892 wrote to memory of 3980	2892	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	88
PID 2892 wrote to memory of 3980	2892	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	88
PID 3980 wrote to memory of 4864	3980	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	89
PID 3980 wrote to memory of 4864	3980	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	89
PID 3980 wrote to memory of 4864	3980	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	89
PID 3980 wrote to memory of 4864	3980	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	89
PID 3980 wrote to memory of 5328	3980	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	90
PID 3980 wrote to memory of 5328	3980	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	90
PID 3980 wrote to memory of 5328	3980	JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82e455803abe0bbe30e7485de60c997b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 480
      4⤵
      Program crash
      PID:4888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 488
      4⤵
      Program crash
      PID:1676
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4864 -ip 4864
1⤵
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4864 -ip 4864
1⤵
PID:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3980-0-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3980-1-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3980-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3980-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3980-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4864-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4864-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing