metasploit | e299499c945ff8c2adc6303cad492e6a6f1537abc4619023075402da256ad8d8

General

Target

9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
Size

244KB
MD5

9d31ed92201bbf00a64bbeecd10c7f65
SHA1

0636dd320130edfc37991cd684eecd909eb44571
SHA256

e299499c945ff8c2adc6303cad492e6a6f1537abc4619023075402da256ad8d8
SHA512

8e8c3f1df13643a0ae9a8a66179e5c58cfda8bf4e8e97dab746fbd066a222b8aa7c7afeff0fc479c4749a1d21a65ffeb21e1ca84de61d37565fa031e59341237
SSDEEP

3072:OGitY/nMf2A8eRNCaaFrXW0MyCiYloG7vPux/QuOR:FLnMfb84Cq9D7vPwhOR

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	wmpct64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpct64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpct64.exe = "C:\\Windows\\SysWOW64\\wmpct64.exe:*:Enabled:Windows Media Control"	wmpct64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpct64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpct64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpct64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpct64.exe = "C:\\Windows\\SysWOW64\\wmpct64.exe:*:Enabled:Windows Media Control"	wmpct64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpct64.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	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2644	wmpct64.exe

Executes dropped EXE 2 IoCs

pid	Process
2448	wmpct64.exe
2644	wmpct64.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 Control = "C:\\Windows\\SysWOW64\\wmpct64.exe"	wmpct64.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	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpct64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpct64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wmpct64.exe	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpct64.exe	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpct64.exe
File opened for modification	C:\Windows\SysWOW64\wmpct64.exe	wmpct64.exe
File opened for modification	C:\Windows\SysWOW64\	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3308 set thread context of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 2448 set thread context of 2644	2448	wmpct64.exe	86

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4484-0-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4484-2-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4484-3-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4484-4-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/4484-38-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2644-45-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2644-46-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2644-47-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2644-48-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/memory/2644-55-0x0000000000400000-0x0000000000465000-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	wmpct64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpct64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4484	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
4484	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
4484	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
4484	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe
2644	wmpct64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 3308 wrote to memory of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 3308 wrote to memory of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 3308 wrote to memory of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 3308 wrote to memory of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 3308 wrote to memory of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 3308 wrote to memory of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 3308 wrote to memory of 4484	3308	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	82
PID 4484 wrote to memory of 2448	4484	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	85
PID 4484 wrote to memory of 2448	4484	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	85
PID 4484 wrote to memory of 2448	4484	9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe	85
PID 2448 wrote to memory of 2644	2448	wmpct64.exe	86
PID 2448 wrote to memory of 2644	2448	wmpct64.exe	86
PID 2448 wrote to memory of 2644	2448	wmpct64.exe	86
PID 2448 wrote to memory of 2644	2448	wmpct64.exe	86
PID 2448 wrote to memory of 2644	2448	wmpct64.exe	86
PID 2448 wrote to memory of 2644	2448	wmpct64.exe	86
PID 2448 wrote to memory of 2644	2448	wmpct64.exe	86
PID 2448 wrote to memory of 2644	2448	wmpct64.exe	86
PID 2644 wrote to memory of 3576	2644	wmpct64.exe	56
PID 2644 wrote to memory of 3576	2644	wmpct64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3576
- C:\Users\Admin\AppData\Local\Temp\9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3308
- - C:\Users\Admin\AppData\Local\Temp\9d31ed92201bbf00a64bbeecd10c7f65_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9d31ed92201bbf00a64bbeecd10c7f65_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:4484
  - - C:\Windows\SysWOW64\wmpct64.exe
      "C:\Windows\SysWOW64\wmpct64.exe" C:\Users\Admin\AppData\Local\Temp\9D31ED~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2448
    - - C:\Windows\SysWOW64\wmpct64.exe
        
        "C:\Windows\SysWOW64\wmpct64.exe" C:\Users\Admin\AppData\Local\Temp\9D31ED~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:2644

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\wmpct64.exe

Filesize
244KB

MD5
9d31ed92201bbf00a64bbeecd10c7f65

SHA1
0636dd320130edfc37991cd684eecd909eb44571

SHA256
e299499c945ff8c2adc6303cad492e6a6f1537abc4619023075402da256ad8d8

SHA512
8e8c3f1df13643a0ae9a8a66179e5c58cfda8bf4e8e97dab746fbd066a222b8aa7c7afeff0fc479c4749a1d21a65ffeb21e1ca84de61d37565fa031e59341237

Download Submit
memory/2644-45-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2644-46-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2644-47-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2644-48-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2644-55-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4484-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4484-2-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4484-3-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4484-4-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4484-38-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads