xtremerat | 3c13016cf0957a91fe2040db0658d3216c1221ccb60567d529230b6df7bd4834

General

Target

d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe
Size

108KB
MD5

d9a7217dc9e564ec15aa4493f59eb421
SHA1

dc1df3091604963da901166c9fef3d38aadc355d
SHA256

3c13016cf0957a91fe2040db0658d3216c1221ccb60567d529230b6df7bd4834
SHA512

ca43221a8164e44ade213dda463314f3d8420197c1f65a414b9ef3e4d208a555357c194b86391de6a2a9835f5068c1ac3ec7d03b53a2046ba4d0c5a24881524c
SSDEEP

3072:jqdudwV4GeIuGnjHACtBIMAAPtix/XqecJ/36:WdudW4GeIVLACtBuJwZ36

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

black100.no-ip.biz

cantstop.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/1468-11-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/1468-10-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/4964-12-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/1468-13-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/4964-14-0x0000000010000000-0x0000000010049000-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 1820 set thread context of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1468-5-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/1468-9-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/1468-11-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/1468-10-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/4964-12-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/1468-13-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/4964-14-0x0000000010000000-0x0000000010049000-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
4464	4964	WerFault.exe	83
180	4964	WerFault.exe	83

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	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82
PID 1820 wrote to memory of 1468	1820	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	82
PID 1468 wrote to memory of 4964	1468	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	83
PID 1468 wrote to memory of 4964	1468	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	83
PID 1468 wrote to memory of 4964	1468	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	83
PID 1468 wrote to memory of 4964	1468	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	83
PID 1468 wrote to memory of 812	1468	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	84
PID 1468 wrote to memory of 812	1468	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	84
PID 1468 wrote to memory of 812	1468	d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Users\Admin\AppData\Local\Temp\d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d9a7217dc9e564ec15aa4493f59eb421_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4964
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 484
      4⤵
      Program crash
      PID:4464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 480
      4⤵
      Program crash
      PID:180
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4964 -ip 4964
1⤵
PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4964 -ip 4964
1⤵
PID:112

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/1468-5-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/1468-9-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/1468-11-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/1468-10-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/1468-13-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/1820-0-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1820-1-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/1820-8-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4964-12-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/4964-14-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing