metasploit | cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96

General

Target

cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
Size

256KB
MD5

92b63f18e6d5b8216bcbdc90fc987908
SHA1

c2441296706432e25286c543a4a074f31922b4c7
SHA256

cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96
SHA512

ccd97881156dfe39fc0eb628ebf15744328d951216b58c7962dbe3a483889f145b0abe82bcaa39bcb5c558c61159d3c33dc2ebafd36911444b210ab04edd62a8
SSDEEP

6144:PIfDK6VA+0SxY8ZtiG5rT9Off4vyv2KgcpiTNEwvMv1EtyXPkE:PaGo0wjiqyv2KgcpiTNEwvMv1EtyXPkE

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

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdx64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdx64.exe = "C:\\Windows\\SysWOW64\\wmpdx64.exe:*:Enabled:Windows Media Core"	wmpdx64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdx64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdx64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdx64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdx64.exe = "C:\\Windows\\SysWOW64\\wmpdx64.exe:*:Enabled:Windows Media Core"	wmpdx64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdx64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdx64.exe

Executes dropped EXE 2 IoCs

pid	Process
3992	wmpdx64.exe
4616	wmpdx64.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1856-133-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1856-135-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1856-136-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1856-137-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1856-141-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4616-148-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4616-149-0x0000000000400000-0x0000000000465000-memory.dmp	upx

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wmpdx64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Core = "C:\\Windows\\SysWOW64\\wmpdx64.exe"	wmpdx64.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	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdx64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdx64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
File opened for modification	C:\Windows\SysWOW64\wmpdx64.exe	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
File created	C:\Windows\SysWOW64\wmpdx64.exe	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdx64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4372 set thread context of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 3992 set thread context of 4616	3992	wmpdx64.exe	90

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

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\	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1856	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
1856	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
1856	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
1856	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
4616	wmpdx64.exe
4616	wmpdx64.exe
4616	wmpdx64.exe
4616	wmpdx64.exe
4616	wmpdx64.exe
4616	wmpdx64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 4372 wrote to memory of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 4372 wrote to memory of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 4372 wrote to memory of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 4372 wrote to memory of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 4372 wrote to memory of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 4372 wrote to memory of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 4372 wrote to memory of 1856	4372	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	88
PID 1856 wrote to memory of 3992	1856	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	89
PID 1856 wrote to memory of 3992	1856	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	89
PID 1856 wrote to memory of 3992	1856	cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe	89
PID 3992 wrote to memory of 4616	3992	wmpdx64.exe	90
PID 3992 wrote to memory of 4616	3992	wmpdx64.exe	90
PID 3992 wrote to memory of 4616	3992	wmpdx64.exe	90
PID 3992 wrote to memory of 4616	3992	wmpdx64.exe	90
PID 3992 wrote to memory of 4616	3992	wmpdx64.exe	90
PID 3992 wrote to memory of 4616	3992	wmpdx64.exe	90
PID 3992 wrote to memory of 4616	3992	wmpdx64.exe	90
PID 3992 wrote to memory of 4616	3992	wmpdx64.exe	90
PID 4616 wrote to memory of 3048	4616	wmpdx64.exe	40
PID 4616 wrote to memory of 3048	4616	wmpdx64.exe	40

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3048
- C:\Users\Admin\AppData\Local\Temp\cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
  "C:\Users\Admin\AppData\Local\Temp\cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4372
- - C:\Users\Admin\AppData\Local\Temp\cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.exe
    "C:\Users\Admin\AppData\Local\Temp\cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96.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:1856
  - - C:\Windows\SysWOW64\wmpdx64.exe
      "C:\Windows\SysWOW64\wmpdx64.exe" C:\Users\Admin\AppData\Local\Temp\CB2DE0~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:3992
    - - C:\Windows\SysWOW64\wmpdx64.exe
        
        "C:\Windows\SysWOW64\wmpdx64.exe" C:\Users\Admin\AppData\Local\Temp\CB2DE0~1.EXE
        5⤵
        Modifies firewall policy service
        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:4616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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\wmpdx64.exe

Filesize
256KB

MD5
92b63f18e6d5b8216bcbdc90fc987908

SHA1
c2441296706432e25286c543a4a074f31922b4c7

SHA256
cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96

SHA512
ccd97881156dfe39fc0eb628ebf15744328d951216b58c7962dbe3a483889f145b0abe82bcaa39bcb5c558c61159d3c33dc2ebafd36911444b210ab04edd62a8

Download Submit
C:\Windows\SysWOW64\wmpdx64.exe

Filesize
256KB

MD5
92b63f18e6d5b8216bcbdc90fc987908

SHA1
c2441296706432e25286c543a4a074f31922b4c7

SHA256
cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96

SHA512
ccd97881156dfe39fc0eb628ebf15744328d951216b58c7962dbe3a483889f145b0abe82bcaa39bcb5c558c61159d3c33dc2ebafd36911444b210ab04edd62a8

Download Submit
C:\Windows\SysWOW64\wmpdx64.exe

Filesize
256KB

MD5
92b63f18e6d5b8216bcbdc90fc987908

SHA1
c2441296706432e25286c543a4a074f31922b4c7

SHA256
cb2de00056ce0aa4fef1fec4e23684f4b15544b1f9d2b877272e9dff62e8ba96

SHA512
ccd97881156dfe39fc0eb628ebf15744328d951216b58c7962dbe3a483889f145b0abe82bcaa39bcb5c558c61159d3c33dc2ebafd36911444b210ab04edd62a8

Download Submit
memory/1856-136-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1856-137-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1856-135-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1856-141-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1856-133-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4616-148-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4616-149-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads