metasploit | 945895dc959d46aae26c56c22a8271d3acd83cd6b3b2bbcbc4a846a5c2202515

General

Target

c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
Size

264KB
MD5

c04ad7b4f0bf3cd74688222681c7ca02
SHA1

6227d30cf6a51824826628a0269870e26d4b75e8
SHA256

945895dc959d46aae26c56c22a8271d3acd83cd6b3b2bbcbc4a846a5c2202515
SHA512

ca0340ee7c2532950f8d9d73c7bcf51b3c8622a2b937efd42d20127c2b9fa7128d1a42bd7d7f0ae9032d4684371cf783ac43cc60b6390ab39fe1d3b90aa5d4b9
SSDEEP

3072:4ZrZand/N76dTWQllamyqRw0er5aQd+JmrWdPDPPanTYF8uG78mxjEwpFOA7jn:5nX76jxyq2adEr4LuUW78mx4sf

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpla64.exe = "C:\\Windows\\SysWOW64\\wmpla64.exe:*:Enabled:Windows Media Player"	wmpla64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpla64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpla64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpla64.exe = "C:\\Windows\\SysWOW64\\wmpla64.exe:*:Enabled:Windows Media Player"	wmpla64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpla64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpla64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpla64.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 18 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\AvastUI.exe	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastUI.exe\Debugger = "CMD /C>null"	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avast.setup\Debugger = "CMD /C>null"	wmpla64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastSvc.exe	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AvastSvc.exe\Debugger = "CMD /C>null"	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "CMD /C>null"	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe\Debugger = "CMD /C>null"	wmpla64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe	wmpla64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avast.setup	wmpla64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe	wmpla64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\Debugger = "CMD /C>null"	wmpla64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe\Debugger = "CMD /C>null"	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe\Debugger = "CMD /C>null"	wmpla64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe	wmpla64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe	wmpla64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe\Debugger = "CMD /C>null"	wmpla64.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4388	wmpla64.exe

Executes dropped EXE 2 IoCs

pid	Process
2060	wmpla64.exe
4388	wmpla64.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 Player = "C:\\Windows\\SysWOW64\\wmpla64.exe"	wmpla64.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	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpla64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpla64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpla64.exe	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpla64.exe	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpla64.exe
File opened for modification	C:\Windows\SysWOW64\wmpla64.exe	wmpla64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1884 set thread context of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 2060 set thread context of 4388	2060	wmpla64.exe	86

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3928-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3928-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3928-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3928-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3928-38-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4388-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4388-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4388-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4388-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4388-55-0x0000000000400000-0x0000000000464000-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	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpla64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpla64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3928	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
3928	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
3928	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
3928	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe
4388	wmpla64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 1884 wrote to memory of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 1884 wrote to memory of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 1884 wrote to memory of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 1884 wrote to memory of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 1884 wrote to memory of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 1884 wrote to memory of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 1884 wrote to memory of 3928	1884	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	82
PID 3928 wrote to memory of 2060	3928	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	85
PID 3928 wrote to memory of 2060	3928	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	85
PID 3928 wrote to memory of 2060	3928	c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe	85
PID 2060 wrote to memory of 4388	2060	wmpla64.exe	86
PID 2060 wrote to memory of 4388	2060	wmpla64.exe	86
PID 2060 wrote to memory of 4388	2060	wmpla64.exe	86
PID 2060 wrote to memory of 4388	2060	wmpla64.exe	86
PID 2060 wrote to memory of 4388	2060	wmpla64.exe	86
PID 2060 wrote to memory of 4388	2060	wmpla64.exe	86
PID 2060 wrote to memory of 4388	2060	wmpla64.exe	86
PID 2060 wrote to memory of 4388	2060	wmpla64.exe	86
PID 4388 wrote to memory of 3448	4388	wmpla64.exe	56
PID 4388 wrote to memory of 3448	4388	wmpla64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448
- C:\Users\Admin\AppData\Local\Temp\c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Users\Admin\AppData\Local\Temp\c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c04ad7b4f0bf3cd74688222681c7ca02_JaffaCakes118.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:3928
  - - C:\Windows\SysWOW64\wmpla64.exe
      "C:\Windows\SysWOW64\wmpla64.exe" C:\Users\Admin\AppData\Local\Temp\C04AD7~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2060
    - - C:\Windows\SysWOW64\wmpla64.exe
        
        "C:\Windows\SysWOW64\wmpla64.exe" C:\Users\Admin\AppData\Local\Temp\C04AD7~1.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:4388

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\wmpla64.exe

Filesize
264KB

MD5
c04ad7b4f0bf3cd74688222681c7ca02

SHA1
6227d30cf6a51824826628a0269870e26d4b75e8

SHA256
945895dc959d46aae26c56c22a8271d3acd83cd6b3b2bbcbc4a846a5c2202515

SHA512
ca0340ee7c2532950f8d9d73c7bcf51b3c8622a2b937efd42d20127c2b9fa7128d1a42bd7d7f0ae9032d4684371cf783ac43cc60b6390ab39fe1d3b90aa5d4b9

Download Submit
memory/3928-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3928-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3928-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3928-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3928-38-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4388-44-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4388-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4388-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4388-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4388-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads