xtremerat | 977820fcfce4bb8e9af2b5e4c505b668a56c0a29de6c623cc3d190fefb4e259a

General

Target

6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
Size

552KB
MD5

6e48070fa946f236a14394c06f21e2d1
SHA1

bd6476462051ce2f6c5f8037b51951e49c56831c
SHA256

977820fcfce4bb8e9af2b5e4c505b668a56c0a29de6c623cc3d190fefb4e259a
SHA512

86fbacefe6e3f28e9f1354c3d9cd47564e70e31f220e61bfb0e50d13d5531c491e6d91f6a30a14779645a7127024046e6fdd2bd32bcce20b9c3b631bc5e5ae9b
SSDEEP

12288:9tB3ghKLWZTPJQy0VYP/wSuZqbNrMsKpaDUN:9tBMKLW7Qy0W7w4NrVDC

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

2hask.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2808-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2808-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2808-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2932-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2932-18-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2932-17-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2932-19-0x0000000010000000-0x0000000010048000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{0N13TR8V-7U4H-WWIK-ALGJ-MC7CT02FHMQ7}	NOTEPAD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{0N13TR8V-7U4H-WWIK-ALGJ-MC7CT02FHMQ7}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	NOTEPAD.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	NOTEPAD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	NOTEPAD.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	NOTEPAD.EXE
File created	C:\Windows\InstallDir\Server.exe	NOTEPAD.EXE
File opened for modification	C:\Windows\InstallDir\	NOTEPAD.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
2932	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2808	2880	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2932	2808	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2932	2808	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2932	2808	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2932	2808	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2932	2808	6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\6e48070fa946f236a14394c06f21e2d1_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\NOTEPAD.EXE
    NOTEPAD.EXE
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

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

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Downloads

memory/2808-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2808-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2808-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2880-3-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/2880-0-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/2880-1-0x00000000005A7000-0x00000000005C4000-memory.dmp

Filesize
116KB

Download
memory/2880-2-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/2880-11-0x00000000005A7000-0x00000000005C4000-memory.dmp

Filesize
116KB

Download
memory/2880-10-0x0000000000400000-0x00000000005E1000-memory.dmp

Filesize
1.9MB

Download
memory/2932-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2932-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2932-18-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2932-17-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2932-19-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads