xtremerat | f6d4b40a18bb3c32cb074006c1dbb86444dbf7fdeda51a8d4d0f5a067ec1e27b

General

Target

JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe
Size

88KB
MD5

63deeb103e37e968c17e4563174830fe
SHA1

887f45d76a7d798af47bfcfc9c832a1343dae68d
SHA256

f6d4b40a18bb3c32cb074006c1dbb86444dbf7fdeda51a8d4d0f5a067ec1e27b
SHA512

36e083cf440fc98c1a4145c6b08df9b1cd86f6a9a73cefac9f2e55abf3a0e8f12608d33e62e980a32bc659aa956892ab60647f1a1e609ef536e6267dab61dbc8
SSDEEP

1536:kqCU1Llu7HttiUq6yry0Qo5LDMzs3p5VEqzm7zNdqKrj9hleVHy:vINtc6y29o1AzE5Vlzm7zprj9Lsy

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

googie.myvnc.com

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/572-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/572-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3988-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/572-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3988-12-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/572-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/572-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/572-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/572-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3988-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/572-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3988-12-0x0000000010000000-0x000000001004D000-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
3864	3988	WerFault.exe	84
3668	3988	WerFault.exe	84

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	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83
PID 2728 wrote to memory of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83
PID 2728 wrote to memory of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83
PID 2728 wrote to memory of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83
PID 2728 wrote to memory of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83
PID 2728 wrote to memory of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83
PID 2728 wrote to memory of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83
PID 2728 wrote to memory of 572	2728	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	83
PID 572 wrote to memory of 3988	572	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	84
PID 572 wrote to memory of 3988	572	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	84
PID 572 wrote to memory of 3988	572	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	84
PID 572 wrote to memory of 3988	572	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	84
PID 572 wrote to memory of 4760	572	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	85
PID 572 wrote to memory of 4760	572	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	85
PID 572 wrote to memory of 4760	572	JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63deeb103e37e968c17e4563174830fe.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:572
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3988
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 480
      4⤵
      Program crash
      PID:3864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 488
      4⤵
      Program crash
      PID:3668
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3988 -ip 3988
1⤵
PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3988 -ip 3988
1⤵
PID:3760

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

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Downloads

memory/572-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/572-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/572-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/572-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/572-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2728-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2728-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3988-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3988-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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