metasploit | 1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45

General

Target

1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
Size

204KB
MD5

e9a72688b0347aae595ef4d1918b2ce0
SHA1

5369efd0697bccd73fdbc9544c06b524b15a352e
SHA256

1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45
SHA512

272d8aa8bbf5a240abd3f4d61cc878c2bd7c18c5236f2c0ae70bd14958f3c87dd1cb2392460fe075ea0bf92bd4b8df99af12c8efc023dd4afbc83c8de46b1370
SSDEEP

3072:2fUVnTNXt1K4mvNrw1mFujqr2x7TtUJrX4p/+AbAsZf8NxI/sF:2fUVnTJK4ml6q6xXtUJrX4l+kAGExI/o

Score

10^/10

metasploit backdoor discovery evasion persistence trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Modifies firewall policy service 3 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmphn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmphn86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphn86.exe = "C:\\Windows\\SysWOW64\\wmphn86.exe:*:Enabled:Windows Networking Manager"	wmphn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmphn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmphn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmphn86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphn86.exe = "C:\\Windows\\SysWOW64\\wmphn86.exe:*:Enabled:Windows Networking Manager"	wmphn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmphn86.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe

Deletes itself 1 IoCs

pid	Process
1400	wmphn86.exe

Executes dropped EXE 2 IoCs

pid	Process
232	wmphn86.exe
1400	wmphn86.exe

Adds Run key to start application 2 TTPs 1 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\Windows Networking Manager = "C:\\Windows\\SysWOW64\\wmphn86.exe"	wmphn86.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmphn86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmphn86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
File opened for modification	C:\Windows\SysWOW64\wmphn86.exe	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
File created	C:\Windows\SysWOW64\wmphn86.exe	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
File opened for modification	C:\Windows\SysWOW64\	wmphn86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5040 set thread context of 3472	5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	82
PID 232 set thread context of 1400	232	wmphn86.exe	88

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3472-0-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3472-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3472-3-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3472-4-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1400-42-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/3472-44-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/3472-45-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/1400-46-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1400-47-0x0000000000400000-0x000000000044B000-memory.dmp	upx

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	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphn86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphn86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3472	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
3472	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
3472	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
3472	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
1400	wmphn86.exe
1400	wmphn86.exe
1400	wmphn86.exe
1400	wmphn86.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
232	wmphn86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 3472	5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	82
PID 5040 wrote to memory of 3472	5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	82
PID 5040 wrote to memory of 3472	5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	82
PID 5040 wrote to memory of 3472	5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	82
PID 5040 wrote to memory of 3472	5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	82
PID 5040 wrote to memory of 3472	5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	82
PID 5040 wrote to memory of 3472	5040	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	82
PID 3472 wrote to memory of 232	3472	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	87
PID 3472 wrote to memory of 232	3472	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	87
PID 3472 wrote to memory of 232	3472	1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe	87
PID 232 wrote to memory of 1400	232	wmphn86.exe	88
PID 232 wrote to memory of 1400	232	wmphn86.exe	88
PID 232 wrote to memory of 1400	232	wmphn86.exe	88
PID 232 wrote to memory of 1400	232	wmphn86.exe	88
PID 232 wrote to memory of 1400	232	wmphn86.exe	88
PID 232 wrote to memory of 1400	232	wmphn86.exe	88
PID 232 wrote to memory of 1400	232	wmphn86.exe	88
PID 1400 wrote to memory of 3456	1400	wmphn86.exe	56
PID 1400 wrote to memory of 3456	1400	wmphn86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3456
- C:\Users\Admin\AppData\Local\Temp\1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
  "C:\Users\Admin\AppData\Local\Temp\1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:5040
- - C:\Users\Admin\AppData\Local\Temp\1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe
    "C:\Users\Admin\AppData\Local\Temp\1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45N.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3472
  - - C:\Windows\SysWOW64\wmphn86.exe
      "C:\Windows\SysWOW64\wmphn86.exe" C:\Users\Admin\AppData\Local\Temp\1993C9~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:232
    - - C:\Windows\SysWOW64\wmphn86.exe
        
        "C:\Windows\SysWOW64\wmphn86.exe" C:\Users\Admin\AppData\Local\Temp\1993C9~1.EXE
        5⤵
        Modifies firewall policy service
        Deletes itself
        Executes dropped EXE
        Adds Run key to start application
        Maps connected drives based on registry
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

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\wmphn86.exe

Filesize
204KB

MD5
e9a72688b0347aae595ef4d1918b2ce0

SHA1
5369efd0697bccd73fdbc9544c06b524b15a352e

SHA256
1993c97f06281c83ca954f4cd75de73c8fbb80f8c1c175c40fdb6ed47be35b45

SHA512
272d8aa8bbf5a240abd3f4d61cc878c2bd7c18c5236f2c0ae70bd14958f3c87dd1cb2392460fe075ea0bf92bd4b8df99af12c8efc023dd4afbc83c8de46b1370

Download Submit
memory/1400-42-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1400-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1400-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3472-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3472-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3472-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3472-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3472-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3472-45-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads