metasploit | b24ecc0c081c5569a70595829d86a1a7fd395b5b14f6cfd647f0641c05be3cb1

General

Target

c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
Size

256KB
MD5

c6249413efcd3e58d88dceed473493b7
SHA1

7c30049862fc8a636ee14de87308515dfa186ca6
SHA256

b24ecc0c081c5569a70595829d86a1a7fd395b5b14f6cfd647f0641c05be3cb1
SHA512

c04e5850b460f387ac4eb746d190db8555912ed2d2ee9b8840ccae7b94a14cef91b1ced6eb1992ce755468cdc6cbe607cc887f4d84547b12335d396787be5f79
SSDEEP

6144:+eCLGDZIry5WchpMXxvQqf30Q0UE00e0Vl550ZUf30Q0UE00e0Vl550ZUf:+e7IrxiKhvnf39vE0Xil55Bf39vE0Xin

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	wmphv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmphv64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphv64.exe = "C:\\Windows\\SysWOW64\\wmphv64.exe:*:Enabled:Windows Media Config"	wmphv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmphv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmphv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmphv64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphv64.exe = "C:\\Windows\\SysWOW64\\wmphv64.exe:*:Enabled:Windows Media Config"	wmphv64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmphv64.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1492	wmphv64.exe

Executes dropped EXE 2 IoCs

pid	Process
2192	wmphv64.exe
1492	wmphv64.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 Config = "C:\\Windows\\SysWOW64\\wmphv64.exe"	wmphv64.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	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmphv64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmphv64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmphv64.exe	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmphv64.exe	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmphv64.exe
File opened for modification	C:\Windows\SysWOW64\wmphv64.exe	wmphv64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3644 set thread context of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 2192 set thread context of 1492	2192	wmphv64.exe	93

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2676-0-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2676-2-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2676-3-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2676-4-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2676-38-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1492-43-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1492-45-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1492-44-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1492-46-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1492-47-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1492-48-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/1492-55-0x0000000000400000-0x0000000000465000-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	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphv64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphv64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2676	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
2676	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
2676	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
2676	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe
1492	wmphv64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 3644 wrote to memory of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 3644 wrote to memory of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 3644 wrote to memory of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 3644 wrote to memory of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 3644 wrote to memory of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 3644 wrote to memory of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 3644 wrote to memory of 2676	3644	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	89
PID 2676 wrote to memory of 2192	2676	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	90
PID 2676 wrote to memory of 2192	2676	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	90
PID 2676 wrote to memory of 2192	2676	c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe	90
PID 2192 wrote to memory of 1492	2192	wmphv64.exe	93
PID 2192 wrote to memory of 1492	2192	wmphv64.exe	93
PID 2192 wrote to memory of 1492	2192	wmphv64.exe	93
PID 2192 wrote to memory of 1492	2192	wmphv64.exe	93
PID 2192 wrote to memory of 1492	2192	wmphv64.exe	93
PID 2192 wrote to memory of 1492	2192	wmphv64.exe	93
PID 2192 wrote to memory of 1492	2192	wmphv64.exe	93
PID 2192 wrote to memory of 1492	2192	wmphv64.exe	93
PID 1492 wrote to memory of 3484	1492	wmphv64.exe	56
PID 1492 wrote to memory of 3484	1492	wmphv64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3484
- C:\Users\Admin\AppData\Local\Temp\c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3644
- - C:\Users\Admin\AppData\Local\Temp\c6249413efcd3e58d88dceed473493b7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c6249413efcd3e58d88dceed473493b7_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:2676
  - - C:\Windows\SysWOW64\wmphv64.exe
      "C:\Windows\SysWOW64\wmphv64.exe" C:\Users\Admin\AppData\Local\Temp\C62494~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2192
    - - C:\Windows\SysWOW64\wmphv64.exe
        
        "C:\Windows\SysWOW64\wmphv64.exe" C:\Users\Admin\AppData\Local\Temp\C62494~1.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:1492

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\wmphv64.exe

Filesize
256KB

MD5
c6249413efcd3e58d88dceed473493b7

SHA1
7c30049862fc8a636ee14de87308515dfa186ca6

SHA256
b24ecc0c081c5569a70595829d86a1a7fd395b5b14f6cfd647f0641c05be3cb1

SHA512
c04e5850b460f387ac4eb746d190db8555912ed2d2ee9b8840ccae7b94a14cef91b1ced6eb1992ce755468cdc6cbe607cc887f4d84547b12335d396787be5f79

Download Submit
memory/1492-46-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1492-43-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1492-45-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1492-44-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1492-47-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1492-48-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1492-55-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2676-3-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2676-4-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2676-2-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2676-38-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2676-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads