metasploit | d04e93aca6fe28900f81d0f2462850400e045290cd51e5f19ddf884e02b58471

General

Target

b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
Size

253KB
MD5

b592dd98c6619bdccfd2a2ceb8f5e4b2
SHA1

377ffe866538c44a43d688ca4bbd0c12ca74801e
SHA256

d04e93aca6fe28900f81d0f2462850400e045290cd51e5f19ddf884e02b58471
SHA512

e30f54f673c4d1842d4f2ceb13d8d8366170d85d015dbd8c0df7284cb7a448204824d40af708dfd0545316430cf68e21b455b9f5822d9091b21b3ff6ee5e7963
SSDEEP

3072:pbsUtq7WH2ZRTUKGkpRu2yW0XXUAE7n1kn9ot5KWDw+B92QPK7+vY/Z78eK2KL:pbsUESHsRQKfwren1bZ32X+vctK2

Score

10^/10

metasploit backdoor 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 2 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdt86.exe = "C:\\Windows\\SysWOW64\\wmpdt86.exe:*:Enabled:Windows Data Recovery"	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdt86.exe = "C:\\Windows\\SysWOW64\\wmpdt86.exe:*:Enabled:Windows Data Recovery"	wmpdt86.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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe

Deletes itself 1 IoCs

pid	Process
4568	wmpdt86.exe

Executes dropped EXE 2 IoCs

pid	Process
4816	wmpdt86.exe
4568	wmpdt86.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4628-1-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4628-4-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4628-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4628-6-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4628-7-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4628-47-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4568-50-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4568-51-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4568-52-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4568-58-0x0000000000400000-0x0000000000454000-memory.dmp	upx

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 Data Recovery = "C:\\Windows\\SysWOW64\\wmpdt86.exe"	wmpdt86.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdt86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdt86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
File opened for modification	C:\Windows\SysWOW64\wmpdt86.exe	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
File created	C:\Windows\SysWOW64\wmpdt86.exe	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdt86.exe
File opened for modification	C:\Windows\SysWOW64\wmpdt86.exe	wmpdt86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 4816 set thread context of 4568	4816	wmpdt86.exe	94

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4628	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
4628	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
4628	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
4628	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe
4568	wmpdt86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 1984 wrote to memory of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 1984 wrote to memory of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 1984 wrote to memory of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 1984 wrote to memory of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 1984 wrote to memory of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 1984 wrote to memory of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 1984 wrote to memory of 4628	1984	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	90
PID 4628 wrote to memory of 4816	4628	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	93
PID 4628 wrote to memory of 4816	4628	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	93
PID 4628 wrote to memory of 4816	4628	b592dd98c6619bdccfd2a2ceb8f5e4b2.exe	93
PID 4816 wrote to memory of 4568	4816	wmpdt86.exe	94
PID 4816 wrote to memory of 4568	4816	wmpdt86.exe	94
PID 4816 wrote to memory of 4568	4816	wmpdt86.exe	94
PID 4816 wrote to memory of 4568	4816	wmpdt86.exe	94
PID 4816 wrote to memory of 4568	4816	wmpdt86.exe	94
PID 4816 wrote to memory of 4568	4816	wmpdt86.exe	94
PID 4816 wrote to memory of 4568	4816	wmpdt86.exe	94
PID 4816 wrote to memory of 4568	4816	wmpdt86.exe	94
PID 4568 wrote to memory of 3388	4568	wmpdt86.exe	56
PID 4568 wrote to memory of 3388	4568	wmpdt86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3388
- C:\Users\Admin\AppData\Local\Temp\b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
  "C:\Users\Admin\AppData\Local\Temp\b592dd98c6619bdccfd2a2ceb8f5e4b2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Users\Admin\AppData\Local\Temp\b592dd98c6619bdccfd2a2ceb8f5e4b2.exe
    "C:\Users\Admin\AppData\Local\Temp\b592dd98c6619bdccfd2a2ceb8f5e4b2.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4628
  - - C:\Windows\SysWOW64\wmpdt86.exe
      "C:\Windows\SysWOW64\wmpdt86.exe" C:\Users\Admin\AppData\Local\Temp\B592DD~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4816
    - - C:\Windows\SysWOW64\wmpdt86.exe
        
        "C:\Windows\SysWOW64\wmpdt86.exe" C:\Users\Admin\AppData\Local\Temp\B592DD~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
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4568

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

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmpdt86.exe

Filesize
253KB

MD5
b592dd98c6619bdccfd2a2ceb8f5e4b2

SHA1
377ffe866538c44a43d688ca4bbd0c12ca74801e

SHA256
d04e93aca6fe28900f81d0f2462850400e045290cd51e5f19ddf884e02b58471

SHA512
e30f54f673c4d1842d4f2ceb13d8d8366170d85d015dbd8c0df7284cb7a448204824d40af708dfd0545316430cf68e21b455b9f5822d9091b21b3ff6ee5e7963

Download Submit
memory/1984-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1984-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4568-58-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4568-52-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4568-51-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4568-50-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4628-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4628-47-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4628-6-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4628-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4628-4-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4628-1-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4816-41-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4816-45-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads