plugx | 918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f

General

Target

918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe
Size

1.2MB
MD5

e5a23e8a2c0f98850b1a43b595c08e63
SHA1

9136eed34bea473d0f8554fb1d914502b832f219
SHA256

918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f
SHA512

cee90fc9c50cec6e41b1c14f1dfb3b25839fbb9f4e09c914343e673216e37f7e93f4a8a8e47cddfe841c4f0f122ba2a4f32bc8d673b9a882d92b0498748d3a6e

Score

10^/10

plugx persistence suricata trojan

Malware Config

Extracted

Family

plugx

C2

www.apple-net.com:80

www.apple-net.com:53

www.apple-net.com:8080

www.apple-net.com:443

Mutex

Attributes

folder
Microsoft Malware ProtectionGCg

Signatures

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx
suricata: ET MALWARE APT Mustang Panda Payload - CnC Checkin
suricata: ET MALWARE APT Mustang Panda Payload - CnC Checkin
suricata
suricata: ET MALWARE Possible PlugX Common Header Struct
suricata: ET MALWARE Possible PlugX Common Header Struct
suricata

Executes dropped EXE 2 IoCs

pid	Process
3024	DSR.exe
916	unsecapp.exe

Loads dropped DLL 2 IoCs

pid	Process
3024	DSR.exe
916	unsecapp.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	DSR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Malware ProtectionGCg = "\"C:\\ProgramData\\Microsoft Malware ProtectionGCg\\unsecapp.exe\" 94"	DSR.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run	DSR.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Malware ProtectionGCg = "\"C:\\ProgramData\\Microsoft Malware ProtectionGCg\\unsecapp.exe\" 94"	DSR.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\CLASSES\ms-pu\PROXY	unsecapp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ms-pu	unsecapp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ms-pu\PROXY	unsecapp.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1052	WINWORD.EXE
1052	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	unsecapp.exe
Token: SeTcbPrivilege	916	unsecapp.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE
1052	WINWORD.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2664	2668	918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe	68
PID 2668 wrote to memory of 2664	2668	918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe	68
PID 2668 wrote to memory of 2664	2668	918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe	68
PID 2668 wrote to memory of 2712	2668	918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe	69
PID 2668 wrote to memory of 2712	2668	918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe	69
PID 2668 wrote to memory of 2712	2668	918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe	69
PID 2712 wrote to memory of 3024	2712	rundll32.exe	70
PID 2712 wrote to memory of 3024	2712	rundll32.exe	70
PID 2712 wrote to memory of 3024	2712	rundll32.exe	70
PID 3024 wrote to memory of 916	3024	DSR.exe	71
PID 3024 wrote to memory of 916	3024	DSR.exe	71
PID 3024 wrote to memory of 916	3024	DSR.exe	71
PID 2664 wrote to memory of 1052	2664	rundll32.exe	72
PID 2664 wrote to memory of 1052	2664	rundll32.exe	72

C:\Users\Admin\AppData\Local\Temp\918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe
"C:\Users\Admin\AppData\Local\Temp\918de40e8ba7e9c1ba555aa22c8acbfdf77f9c050d5ddcd7bd0e3221195c876f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" url.dll, FileProtocolHandler C:\Users\Admin\AppData\Local\Temp\DSR.docx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\DSR.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:1052
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" url.dll, FileProtocolHandler C:\Users\Admin\AppData\Local\Temp\DSR.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Users\Admin\AppData\Local\Temp\DSR.exe
    "C:\Users\Admin\AppData\Local\Temp\DSR.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3024
  - - C:\ProgramData\Microsoft Malware ProtectionGCg\unsecapp.exe
      "C:\ProgramData\Microsoft Malware ProtectionGCg\unsecapp.exe" 6
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Modifies registry class
      Suspicious use of AdjustPrivilegeToken
      PID:916

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/916-132-0x00000000005B0000-0x00000000005DF000-memory.dmp

Filesize
188KB

Download
memory/916-131-0x0000000000260000-0x00000000002C1000-memory.dmp

Filesize
388KB

Download
memory/1052-133-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/1052-134-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/1052-135-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/1052-136-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/1052-139-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/1052-140-0x00007FFF03D00000-0x00007FFF03D10000-memory.dmp

Filesize
64KB

Download
memory/1052-143-0x00007FFF03D00000-0x00007FFF03D10000-memory.dmp

Filesize
64KB

Download
memory/3024-124-0x00000000004B0000-0x0000000000512000-memory.dmp

Filesize
392KB

Download
memory/3024-125-0x0000000000E30000-0x0000000000E5F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads