xtremerat | 172ed8dccfa77af72fa89cc401f07e06aedf891f5948653dba43a4ef3d2def72

General

Target

e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
Size

166KB
MD5

e8828ef7328cfa84e5cfccfc399645dd
SHA1

5be3525a5cf3a5c99be280812788f766c8c45ce5
SHA256

172ed8dccfa77af72fa89cc401f07e06aedf891f5948653dba43a4ef3d2def72
SHA512

71921c64a39d0ec7f6b46dc1fd3e3f94fdcb20f9cfe1da2fa33c81dc2df7da1fd68098f4fdf08faf8d049a24a383d6139b40d4f300ca0a4d913f1ce5e3d07f39
SSDEEP

3072:wkBJK6EP9PhHU/jCrlE8WALcZzgFWTngFuDZAOHINfeXrWGbfmzqwVGTrl2s:wgK6A0zjKGb+z9V27

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

smokepawts.no-ip.info

Signatures

Detect XtremeRAT payload 12 IoCs

resource	yara_rule
behavioral1/memory/2344-14-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2344-16-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2344-17-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2344-15-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2344-10-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2344-9-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2344-11-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2344-8-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/1884-24-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2096-28-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2344-29-0x0000000013140000-0x000000001315C000-memory.dmp	family_xtremerat
behavioral1/memory/2096-31-0x0000000013140000-0x000000001315C000-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

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\{56E8WS3X-1MMN-WBAE-5228-SH4XYF733I28}	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{56E8WS3X-1MMN-WBAE-5228-SH4XYF733I28}\StubPath = "C:\\Windows\\system32\\Boot\\nvcpl.exe restart"	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{56E8WS3X-1MMN-WBAE-5228-SH4XYF733I28}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{56E8WS3X-1MMN-WBAE-5228-SH4XYF733I28}\StubPath = "C:\\Windows\\system32\\Boot\\nvcpl.exe"	svchost.exe

Adds Run key to start application 2 TTPs 4 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\nvdisplay = "C:\\Windows\\system32\\Boot\\nvcpl.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinRAR = "C:\\Windows\\system32\\Boot\\nvcpl.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nvdisplay = "C:\\Windows\\system32\\Boot\\nvcpl.exe"	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinRAR = "C:\\Windows\\system32\\Boot\\nvcpl.exe"	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Boot\	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Boot\nvcpl.exe	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Boot\nvcpl.exe	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30

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	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
2096	svchost.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2344	2500	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	30
PID 2344 wrote to memory of 1884	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	31
PID 2344 wrote to memory of 1884	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	31
PID 2344 wrote to memory of 1884	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	31
PID 2344 wrote to memory of 1884	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	31
PID 2344 wrote to memory of 1884	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	31
PID 2344 wrote to memory of 2096	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	32
PID 2344 wrote to memory of 2096	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	32
PID 2344 wrote to memory of 2096	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	32
PID 2344 wrote to memory of 2096	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	32
PID 2344 wrote to memory of 2096	2344	e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e8828ef7328cfa84e5cfccfc399645dd_JaffaCakes118.exe"
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1884
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2096

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

C:\Windows\SysWOW64\Boot\nvcpl.exe

Filesize
166KB

MD5
e8828ef7328cfa84e5cfccfc399645dd

SHA1
5be3525a5cf3a5c99be280812788f766c8c45ce5

SHA256
172ed8dccfa77af72fa89cc401f07e06aedf891f5948653dba43a4ef3d2def72

SHA512
71921c64a39d0ec7f6b46dc1fd3e3f94fdcb20f9cfe1da2fa33c81dc2df7da1fd68098f4fdf08faf8d049a24a383d6139b40d4f300ca0a4d913f1ce5e3d07f39

Download Submit
memory/1884-24-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2096-31-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2096-28-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-15-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2344-10-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-9-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-11-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-8-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-7-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-6-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-5-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-17-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-16-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-29-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download
memory/2344-14-0x0000000013140000-0x000000001315C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads