metasploit | ab81fb6bd7ccc58cbf7e8447cae489f10257fbbbf2ed013944a175f7be5a8281

General

Target

f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
Size

262KB
MD5

f2c100ba6f26babec4770228451f1a86
SHA1

4b717e79b2a32aa90c84c46f8ed4b18baeb4c64b
SHA256

ab81fb6bd7ccc58cbf7e8447cae489f10257fbbbf2ed013944a175f7be5a8281
SHA512

c2db16c0b6bd7cae0651b4dfc5b5ba1cf6472a04f04c4ebf7d7254f89395b1e2c57c34a9273dda7e52b8ba334d890935323f8ce024994eaee8d42911ec6b5651
SSDEEP

6144:ivAsqZeri+nIPtRPYElpD7T97oB7caPN:iv3qZeriactRRJ7VoBtP

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\wmptn32.exe = "C:\\Windows\\SysWOW64\\wmptn32.exe:*:Enabled:Windows Terminal Protocol"	wmptn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmptn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmptn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmptn32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptn32.exe = "C:\\Windows\\SysWOW64\\wmptn32.exe:*:Enabled:Windows Terminal Protocol"	wmptn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmptn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmptn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmptn32.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3608	wmptn32.exe

Executes dropped EXE 2 IoCs

pid	Process
3232	wmptn32.exe
3608	wmptn32.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 Terminal Protocol = "C:\\Windows\\SysWOW64\\wmptn32.exe"	wmptn32.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	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmptn32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmptn32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wmptn32.exe	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmptn32.exe
File opened for modification	C:\Windows\SysWOW64\wmptn32.exe	wmptn32.exe
File opened for modification	C:\Windows\SysWOW64\	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmptn32.exe	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3708 set thread context of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 3232 set thread context of 3608	3232	wmptn32.exe	86

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2340-1-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2340-4-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2340-6-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2340-5-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3608-46-0x0000000000400000-0x0000000000458000-memory.dmp	upx
behavioral2/memory/2340-47-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3608-49-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3608-50-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3608-52-0x0000000000400000-0x0000000000458000-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	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmptn32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmptn32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2340	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
2340	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
2340	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
2340	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe
3608	wmptn32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 3708 wrote to memory of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 3708 wrote to memory of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 3708 wrote to memory of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 3708 wrote to memory of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 3708 wrote to memory of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 3708 wrote to memory of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 3708 wrote to memory of 2340	3708	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	83
PID 2340 wrote to memory of 3232	2340	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	85
PID 2340 wrote to memory of 3232	2340	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	85
PID 2340 wrote to memory of 3232	2340	f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe	85
PID 3232 wrote to memory of 3608	3232	wmptn32.exe	86
PID 3232 wrote to memory of 3608	3232	wmptn32.exe	86
PID 3232 wrote to memory of 3608	3232	wmptn32.exe	86
PID 3232 wrote to memory of 3608	3232	wmptn32.exe	86
PID 3232 wrote to memory of 3608	3232	wmptn32.exe	86
PID 3232 wrote to memory of 3608	3232	wmptn32.exe	86
PID 3232 wrote to memory of 3608	3232	wmptn32.exe	86
PID 3232 wrote to memory of 3608	3232	wmptn32.exe	86
PID 3608 wrote to memory of 3440	3608	wmptn32.exe	56
PID 3608 wrote to memory of 3440	3608	wmptn32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3708
- - C:\Users\Admin\AppData\Local\Temp\f2c100ba6f26babec4770228451f1a86_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f2c100ba6f26babec4770228451f1a86_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:2340
  - - C:\Windows\SysWOW64\wmptn32.exe
      "C:\Windows\SysWOW64\wmptn32.exe" C:\Users\Admin\AppData\Local\Temp\F2C100~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3232
    - - C:\Windows\SysWOW64\wmptn32.exe
        
        "C:\Windows\SysWOW64\wmptn32.exe" C:\Users\Admin\AppData\Local\Temp\F2C100~1.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:3608

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\wmptn32.exe

Filesize
262KB

MD5
f2c100ba6f26babec4770228451f1a86

SHA1
4b717e79b2a32aa90c84c46f8ed4b18baeb4c64b

SHA256
ab81fb6bd7ccc58cbf7e8447cae489f10257fbbbf2ed013944a175f7be5a8281

SHA512
c2db16c0b6bd7cae0651b4dfc5b5ba1cf6472a04f04c4ebf7d7254f89395b1e2c57c34a9273dda7e52b8ba334d890935323f8ce024994eaee8d42911ec6b5651

Download Submit
memory/2340-4-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2340-6-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2340-5-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2340-1-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2340-47-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3232-43-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3608-46-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3608-49-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3608-50-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3608-52-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3708-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3708-0-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads