xtremerat | 118f4d9398ef18da3c919ea8e637b2d48f168031fcd6fe7064e6211159abb991

General

Target

JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe
Size

651KB
MD5

e5eced7cd4b0f383ca100862d650361e
SHA1

42bade75ff2c0dae1a1ca51c2b154fa2595948df
SHA256

118f4d9398ef18da3c919ea8e637b2d48f168031fcd6fe7064e6211159abb991
SHA512

dd7fe044470e07e49341e4a80f88c1fec91c392b596e045db102d0507610089834ef3af3ea3694cb31fe91483e2637b9ed777cd0adf8189b641aef06cad7a9bd
SSDEEP

12288:XYq3o7YNQMN2K3yd9ids0JKpKyV0JK5CKmSlrjRydmKchOgU2FzP1hy0t98+lm9j:Xz4wQMN2K3yWds0JkKyVm075lymxOOLu

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

francesco11.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4180-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4180-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1320-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4180-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1320-13-0x0000000010000000-0x000000001004D000-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 3720 set thread context of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4180-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4180-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4180-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4180-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1320-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4180-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1320-13-0x0000000010000000-0x000000001004D000-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
1504	1320	WerFault.exe	85
2936	1320	WerFault.exe	85

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_e5eced7cd4b0f383ca100862d650361e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe
3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84
PID 3720 wrote to memory of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84
PID 3720 wrote to memory of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84
PID 3720 wrote to memory of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84
PID 3720 wrote to memory of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84
PID 3720 wrote to memory of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84
PID 3720 wrote to memory of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84
PID 3720 wrote to memory of 4180	3720	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	84
PID 4180 wrote to memory of 1320	4180	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	85
PID 4180 wrote to memory of 1320	4180	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	85
PID 4180 wrote to memory of 1320	4180	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	85
PID 4180 wrote to memory of 1320	4180	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	85
PID 4180 wrote to memory of 3628	4180	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	87
PID 4180 wrote to memory of 3628	4180	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	87
PID 4180 wrote to memory of 3628	4180	JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5eced7cd4b0f383ca100862d650361e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4180
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1320
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 480
      4⤵
      Program crash
      PID:1504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 488
      4⤵
      Program crash
      PID:2936
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1320 -ip 1320
1⤵
PID:2980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1320 -ip 1320
1⤵
PID:4372

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/1320-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1320-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3720-0-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/3720-10-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4180-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4180-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4180-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4180-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4180-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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