metasploit | d75bd5b27d406f50b208ba3656642ae5f6d70a44bafc549318e0883e77b1f2d2

General

Target

b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
Size

247KB
MD5

b1130b1a68cb35dd40649a8f9a46c6b2
SHA1

60ca3cf18cf9017c76b5ca93e9ed75e7dcdcc4c3
SHA256

d75bd5b27d406f50b208ba3656642ae5f6d70a44bafc549318e0883e77b1f2d2
SHA512

3492e742fd2b2302640a39ac1adb4a4385f9ce18f73ba4db0baf0042adb41bc92d9568668f14b252ad2df5e58d9c4f0c162f68a76c4bb1f94c7203c71d56dac8
SSDEEP

3072:ZgJfg0QflE2AREPXSUws0jd4pKiLGRYFhJJvRmJQHbZYLedaxT/qEEDYXD8QENO:ZgCT22VPS2U4pKiLSobZGeoxGYwQE

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\wmpdt64.exe = "C:\\Windows\\SysWOW64\\wmpdt64.exe:*:Enabled:Windows Media Driver"	wmpdt64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdt64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdt64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdt64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdt64.exe = "C:\\Windows\\SysWOW64\\wmpdt64.exe:*:Enabled:Windows Media Driver"	wmpdt64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdt64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdt64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdt64.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2624	wmpdt64.exe

Executes dropped EXE 2 IoCs

pid	Process
2860	wmpdt64.exe
2624	wmpdt64.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 Driver = "C:\\Windows\\SysWOW64\\wmpdt64.exe"	wmpdt64.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	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdt64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdt64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wmpdt64.exe	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdt64.exe
File opened for modification	C:\Windows\SysWOW64\wmpdt64.exe	wmpdt64.exe
File opened for modification	C:\Windows\SysWOW64\	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdt64.exe	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4156 set thread context of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 2860 set thread context of 2624	2860	wmpdt64.exe	91

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1580-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1580-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1580-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1580-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1580-38-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2624-43-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2624-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2624-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2624-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2624-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2624-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2624-55-0x0000000000400000-0x0000000000464000-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	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdt64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdt64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1580	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
1580	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
1580	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
1580	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe
2624	wmpdt64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 4156 wrote to memory of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 4156 wrote to memory of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 4156 wrote to memory of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 4156 wrote to memory of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 4156 wrote to memory of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 4156 wrote to memory of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 4156 wrote to memory of 1580	4156	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	82
PID 1580 wrote to memory of 2860	1580	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	87
PID 1580 wrote to memory of 2860	1580	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	87
PID 1580 wrote to memory of 2860	1580	b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe	87
PID 2860 wrote to memory of 2624	2860	wmpdt64.exe	91
PID 2860 wrote to memory of 2624	2860	wmpdt64.exe	91
PID 2860 wrote to memory of 2624	2860	wmpdt64.exe	91
PID 2860 wrote to memory of 2624	2860	wmpdt64.exe	91
PID 2860 wrote to memory of 2624	2860	wmpdt64.exe	91
PID 2860 wrote to memory of 2624	2860	wmpdt64.exe	91
PID 2860 wrote to memory of 2624	2860	wmpdt64.exe	91
PID 2860 wrote to memory of 2624	2860	wmpdt64.exe	91
PID 2624 wrote to memory of 3368	2624	wmpdt64.exe	56
PID 2624 wrote to memory of 3368	2624	wmpdt64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3368
- C:\Users\Admin\AppData\Local\Temp\b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4156
- - C:\Users\Admin\AppData\Local\Temp\b1130b1a68cb35dd40649a8f9a46c6b2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b1130b1a68cb35dd40649a8f9a46c6b2_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:1580
  - - C:\Windows\SysWOW64\wmpdt64.exe
      "C:\Windows\SysWOW64\wmpdt64.exe" C:\Users\Admin\AppData\Local\Temp\B1130B~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2860
    - - C:\Windows\SysWOW64\wmpdt64.exe
        
        "C:\Windows\SysWOW64\wmpdt64.exe" C:\Users\Admin\AppData\Local\Temp\B1130B~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:2624

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\wmpdt64.exe

Filesize
247KB

MD5
b1130b1a68cb35dd40649a8f9a46c6b2

SHA1
60ca3cf18cf9017c76b5ca93e9ed75e7dcdcc4c3

SHA256
d75bd5b27d406f50b208ba3656642ae5f6d70a44bafc549318e0883e77b1f2d2

SHA512
3492e742fd2b2302640a39ac1adb4a4385f9ce18f73ba4db0baf0042adb41bc92d9568668f14b252ad2df5e58d9c4f0c162f68a76c4bb1f94c7203c71d56dac8

Download Submit
memory/1580-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1580-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1580-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1580-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1580-38-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2624-43-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2624-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2624-44-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2624-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2624-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2624-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2624-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads