xtremerat | ef01b3b7a85f9368e2d6e9884dc0868cf9c0d419ab0732753c1c00579785b4c3

General

Target

5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe
Size

216KB
MD5

5d6368db301de5c858b43599c6be25b0
SHA1

ed16ae256236f08163c132c95d3b5213af19acfa
SHA256

ef01b3b7a85f9368e2d6e9884dc0868cf9c0d419ab0732753c1c00579785b4c3
SHA512

b0392fd15620b902908708cf5bd1ef2a5b4e619f89166691ab3d770a439fadbbb6c8d1ac655945709146e044c0a56e2aac821e228797c3cfa6989ca7016ee306
SSDEEP

3072:AUFuVSnpZQFg9csV8qqdNd1rcV47GHvpdglyt+zY8ldw:pAEn7cg9c1qqj846B6lw+zY8n

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

magicshop84.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4172-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4172-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2260-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4172-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2260-9-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3528 set thread context of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4172-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4172-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4172-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4172-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2260-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4172-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2260-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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
4148	2260	WerFault.exe	88
5104	2260	WerFault.exe	88

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	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3528 wrote to memory of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87
PID 3528 wrote to memory of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87
PID 3528 wrote to memory of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87
PID 3528 wrote to memory of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87
PID 3528 wrote to memory of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87
PID 3528 wrote to memory of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87
PID 3528 wrote to memory of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87
PID 3528 wrote to memory of 4172	3528	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	87
PID 4172 wrote to memory of 2260	4172	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	88
PID 4172 wrote to memory of 2260	4172	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	88
PID 4172 wrote to memory of 2260	4172	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	88
PID 4172 wrote to memory of 2260	4172	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	88
PID 4172 wrote to memory of 1736	4172	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	89
PID 4172 wrote to memory of 1736	4172	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	89
PID 4172 wrote to memory of 1736	4172	5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\5d6368db301de5c858b43599c6be25b0_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2260
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 484
      4⤵
      Program crash
      PID:4148
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 492
      4⤵
      Program crash
      PID:5104
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2260 -ip 2260
1⤵
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2260 -ip 2260
1⤵
PID:228

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/2260-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2260-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4172-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4172-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4172-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4172-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4172-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing