metasploit | 9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2

General

Target

9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
Size

252KB
MD5

6b5c3f17d9e7b5ad63bad5942de2c70e
SHA1

deda530914a326b910361980a8851f13240e1fbf
SHA256

9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2
SHA512

10ed506a932b0ec31c6843035b942f9e978396255fe9daf7c01e5bdb70db0e3805a7f82df2f188c62f3054adacf7b922f5423b0d2db171af64bdc972bdf52511
SSDEEP

6144:YCKpK87npwHLVYSE/A8xsTfr3F/MxObu3O+ObuBc/2777777777777777777777K:KpT7MYS21xIfr3ZMh77777777777777W

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
Metasploit family
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\StandardProfile\AuthorizedApplications	wmpal64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpal64.exe = "C:\\Windows\\SysWOW64\\wmpal64.exe:*:Enabled:Windows Media Panel"	wmpal64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpal64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpal64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpal64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpal64.exe = "C:\\Windows\\SysWOW64\\wmpal64.exe:*:Enabled:Windows Media Panel"	wmpal64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpal64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpal64.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe	wmpal64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe\Debugger = "CMD /C>null"	wmpal64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe	wmpal64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\Debugger = "CMD /C>null"	wmpal64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe	wmpal64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "CMD /C>null"	wmpal64.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe

Deletes itself 1 IoCs

pid	Process
2512	wmpal64.exe

Executes dropped EXE 2 IoCs

pid	Process
1508	wmpal64.exe
2512	wmpal64.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 Media Panel = "C:\\Windows\\SysWOW64\\wmpal64.exe"	wmpal64.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	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpal64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpal64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
File opened for modification	C:\Windows\SysWOW64\wmpal64.exe	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
File created	C:\Windows\SysWOW64\wmpal64.exe	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
File opened for modification	C:\Windows\SysWOW64\	wmpal64.exe
File opened for modification	C:\Windows\SysWOW64\wmpal64.exe	wmpal64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1520 set thread context of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 1508 set thread context of 2512	1508	wmpal64.exe	84

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4836-1-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/4836-4-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/4836-6-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/4836-5-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/4836-40-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/2512-48-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/2512-46-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/2512-45-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/2512-49-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/2512-50-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/2512-51-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/2512-58-0x0000000000400000-0x0000000000463000-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	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpal64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpal64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4836	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
4836	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
4836	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
4836	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe
2512	wmpal64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 1520 wrote to memory of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 1520 wrote to memory of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 1520 wrote to memory of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 1520 wrote to memory of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 1520 wrote to memory of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 1520 wrote to memory of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 1520 wrote to memory of 4836	1520	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	82
PID 4836 wrote to memory of 1508	4836	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	83
PID 4836 wrote to memory of 1508	4836	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	83
PID 4836 wrote to memory of 1508	4836	9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe	83
PID 1508 wrote to memory of 2512	1508	wmpal64.exe	84
PID 1508 wrote to memory of 2512	1508	wmpal64.exe	84
PID 1508 wrote to memory of 2512	1508	wmpal64.exe	84
PID 1508 wrote to memory of 2512	1508	wmpal64.exe	84
PID 1508 wrote to memory of 2512	1508	wmpal64.exe	84
PID 1508 wrote to memory of 2512	1508	wmpal64.exe	84
PID 1508 wrote to memory of 2512	1508	wmpal64.exe	84
PID 1508 wrote to memory of 2512	1508	wmpal64.exe	84
PID 2512 wrote to memory of 3532	2512	wmpal64.exe	56
PID 2512 wrote to memory of 3532	2512	wmpal64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3532
- C:\Users\Admin\AppData\Local\Temp\9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
  "C:\Users\Admin\AppData\Local\Temp\9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\Users\Admin\AppData\Local\Temp\9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.exe
    "C:\Users\Admin\AppData\Local\Temp\9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2.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:4836
  - - C:\Windows\SysWOW64\wmpal64.exe
      "C:\Windows\SysWOW64\wmpal64.exe" C:\Users\Admin\AppData\Local\Temp\9A332B~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1508
    - - C:\Windows\SysWOW64\wmpal64.exe
        
        "C:\Windows\SysWOW64\wmpal64.exe" C:\Users\Admin\AppData\Local\Temp\9A332B~1.EXE
        5⤵
        Modifies firewall policy service
        Event Triggered Execution: Image File Execution Options Injection
        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:2512

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

Event Triggered Execution

1

T1546

Image File Execution Options Injection

1

T1546.012

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

Event Triggered Execution

1

T1546

Image File Execution Options Injection

1

T1546.012

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\wmpal64.exe

Filesize
252KB

MD5
6b5c3f17d9e7b5ad63bad5942de2c70e

SHA1
deda530914a326b910361980a8851f13240e1fbf

SHA256
9a332bdd9e66b6f3dacfc2298988d52c8a5ddf9f8a75421ca6e76fbbeb4f29c2

SHA512
10ed506a932b0ec31c6843035b942f9e978396255fe9daf7c01e5bdb70db0e3805a7f82df2f188c62f3054adacf7b922f5423b0d2db171af64bdc972bdf52511

Download Submit
memory/1508-47-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1520-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1520-3-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2512-49-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-48-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-46-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-45-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-50-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-51-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-58-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4836-5-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4836-6-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4836-40-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4836-4-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4836-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads