xtremerat | 2003b6788d0ae9f3dfa199d6b458683024935e561c922fa54f2a30a995b54755

General

Target

JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Size

747KB
MD5

b21e16d26a741f0ebafdcb4773f4af10
SHA1

2dccc61d0b5ed0f598596426fb9624963aab5727
SHA256

2003b6788d0ae9f3dfa199d6b458683024935e561c922fa54f2a30a995b54755
SHA512

58c96ee217a5afe313921b27685a068952600bbba76aaf05834d20f06e2540944094672f9055a4463041ae22e5f2cbcd7eedfee3b549faafb25e49d9f8bb7ace
SSDEEP

12288:Y1j327fuuvuEPdPnP+hVdC2DBHgeas88MEqj4CFRA+LjTUf3rH3OvA:YEzuEVPnWhVdCyBAy88o4CN/y3LMA

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

lethal.no-ip.org

타慮뀀lethal.no-ip.org

踀Microsolethal.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/5540-6-0x0000000000C80000-0x0000000000D43000-memory.dmp	family_xtremerat
behavioral1/files/0x0007000000024268-7.dat	family_xtremerat
behavioral1/memory/5528-8-0x0000000000C80000-0x0000000000D43000-memory.dmp	family_xtremerat
behavioral1/memory/1552-20-0x0000000000C80000-0x0000000000D43000-memory.dmp	family_xtremerat
behavioral1/memory/5528-24-0x0000000000C80000-0x0000000000D43000-memory.dmp	family_xtremerat

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	svchost.exe

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

Adds policy Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Key created	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Key created	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	svchost.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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\{EXL1271C-3VJ1-PD0K-VR82-YR18IG4J5YC1}	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{EXL1271C-3VJ1-PD0K-VR82-YR18IG4J5YC1}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe restart"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{EXL1271C-3VJ1-PD0K-VR82-YR18IG4J5YC1}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{EXL1271C-3VJ1-PD0K-VR82-YR18IG4J5YC1}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe restart"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe

Executes dropped EXE 1 IoCs

pid	Process
3692	167Weapon Myster Hack.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSN = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSN = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3027557611-1484967174-339164627-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\cmd = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\cmd.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cmd.exe	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
File opened for modification	C:\Windows\SysWOW64\cmd.exe	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\167Weapon Myster Hack.exe.exe	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
File created	C:\Program Files (x86)\167Weapon Myster Hack.exe	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.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 4 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_b21e16d26a741f0ebafdcb4773f4af10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	167Weapon Myster Hack.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3692	167Weapon Myster Hack.exe
3692	167Weapon Myster Hack.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3692	167Weapon Myster Hack.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5528	svchost.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 5540	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	87
PID 1552 wrote to memory of 5540	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	87
PID 1552 wrote to memory of 5540	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	87
PID 1552 wrote to memory of 5540	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	87
PID 1552 wrote to memory of 5528	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	88
PID 1552 wrote to memory of 5528	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	88
PID 1552 wrote to memory of 5528	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	88
PID 1552 wrote to memory of 5528	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	88
PID 1552 wrote to memory of 3692	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	89
PID 1552 wrote to memory of 3692	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	89
PID 1552 wrote to memory of 3692	1552	JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b21e16d26a741f0ebafdcb4773f4af10.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - Adds policy Run key to start application
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:5540
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5528
- C:\Program Files (x86)\167Weapon Myster Hack.exe
  "C:\Program Files (x86)\167Weapon Myster Hack.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3692

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

C:\Program Files (x86)\167Weapon Myster Hack.exe

Filesize
692KB

MD5
31fa625878b7c96c503afe23b68ff38c

SHA1
3fd0fa70f96bb9fa8737bb4c693e61e063220710

SHA256
cf6f11c3b54b5aa212672e29980431a22ee8f813ec28f91863000a5df946473a

SHA512
b050d7a47674ccf0b5881bb86b1dbed41e9176044016b0d83d0e38264c7308648d2146dac42a3f01ada24529451ee002b63469943c24408f89bfdf906fe2ddde

Download Submit
C:\Users\Admin\AppData\Roaming\System32\cmd.exe

Filesize
747KB

MD5
b21e16d26a741f0ebafdcb4773f4af10

SHA1
2dccc61d0b5ed0f598596426fb9624963aab5727

SHA256
2003b6788d0ae9f3dfa199d6b458683024935e561c922fa54f2a30a995b54755

SHA512
58c96ee217a5afe313921b27685a068952600bbba76aaf05834d20f06e2540944094672f9055a4463041ae22e5f2cbcd7eedfee3b549faafb25e49d9f8bb7ace

Download Submit
memory/1552-20-0x0000000000C80000-0x0000000000D43000-memory.dmp

Filesize
780KB

Download
memory/3692-22-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3692-25-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/5528-8-0x0000000000C80000-0x0000000000D43000-memory.dmp

Filesize
780KB

Download
memory/5528-24-0x0000000000C80000-0x0000000000D43000-memory.dmp

Filesize
780KB

Download
memory/5540-6-0x0000000000C80000-0x0000000000D43000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads