metasploit | 7d8d418e3cc18a3bedf8b6a6bb703e12ef4266796f0ac86c31042833ae43b68d

General

Target

b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
Size

268KB
MD5

b20d003545125a0e73653bfee99206a8
SHA1

c683e669cfac0a350d34f73c5dd06d1f2663bbba
SHA256

7d8d418e3cc18a3bedf8b6a6bb703e12ef4266796f0ac86c31042833ae43b68d
SHA512

5ddd8659db62764035d04e26a76809926f044fb8ae7180ec064a4d6a2ed91f24f686c22695475a6452ab6c7e866e2289caff991e4a3df77ddc5d0ff9c477c1d2
SSDEEP

6144:40xrdIwioULocdUhwdWYCYczeougs6c7N4a90XBg:405/0aw

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\DomainProfile	wmpld64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpld64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpld64.exe = "C:\\Windows\\SysWOW64\\wmpld64.exe:*:Enabled:Windows Media Loader"	wmpld64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpld64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpld64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpld64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpld64.exe = "C:\\Windows\\SysWOW64\\wmpld64.exe:*:Enabled:Windows Media Loader"	wmpld64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpld64.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4844	wmpld64.exe

Executes dropped EXE 2 IoCs

pid	Process
944	wmpld64.exe
4844	wmpld64.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 Loader = "C:\\Windows\\SysWOW64\\wmpld64.exe"	wmpld64.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	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpld64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpld64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wmpld64.exe	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpld64.exe
File opened for modification	C:\Windows\SysWOW64\wmpld64.exe	wmpld64.exe
File opened for modification	C:\Windows\SysWOW64\	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpld64.exe	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 944 set thread context of 4844	944	wmpld64.exe	86

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4136-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4136-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4136-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4136-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4136-38-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4844-43-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4844-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4844-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4844-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4844-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4844-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4844-55-0x0000000000400000-0x0000000000464000-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	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpld64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpld64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4136	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
4136	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
4136	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
4136	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe
4844	wmpld64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 5004 wrote to memory of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 5004 wrote to memory of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 5004 wrote to memory of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 5004 wrote to memory of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 5004 wrote to memory of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 5004 wrote to memory of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 5004 wrote to memory of 4136	5004	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	84
PID 4136 wrote to memory of 944	4136	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	85
PID 4136 wrote to memory of 944	4136	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	85
PID 4136 wrote to memory of 944	4136	b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe	85
PID 944 wrote to memory of 4844	944	wmpld64.exe	86
PID 944 wrote to memory of 4844	944	wmpld64.exe	86
PID 944 wrote to memory of 4844	944	wmpld64.exe	86
PID 944 wrote to memory of 4844	944	wmpld64.exe	86
PID 944 wrote to memory of 4844	944	wmpld64.exe	86
PID 944 wrote to memory of 4844	944	wmpld64.exe	86
PID 944 wrote to memory of 4844	944	wmpld64.exe	86
PID 944 wrote to memory of 4844	944	wmpld64.exe	86
PID 4844 wrote to memory of 3436	4844	wmpld64.exe	56
PID 4844 wrote to memory of 3436	4844	wmpld64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Users\Admin\AppData\Local\Temp\b20d003545125a0e73653bfee99206a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b20d003545125a0e73653bfee99206a8_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:4136
  - - C:\Windows\SysWOW64\wmpld64.exe
      "C:\Windows\SysWOW64\wmpld64.exe" C:\Users\Admin\AppData\Local\Temp\B20D00~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:944
    - - C:\Windows\SysWOW64\wmpld64.exe
        
        "C:\Windows\SysWOW64\wmpld64.exe" C:\Users\Admin\AppData\Local\Temp\B20D00~1.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:4844

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\wmpld64.exe

Filesize
268KB

MD5
b20d003545125a0e73653bfee99206a8

SHA1
c683e669cfac0a350d34f73c5dd06d1f2663bbba

SHA256
7d8d418e3cc18a3bedf8b6a6bb703e12ef4266796f0ac86c31042833ae43b68d

SHA512
5ddd8659db62764035d04e26a76809926f044fb8ae7180ec064a4d6a2ed91f24f686c22695475a6452ab6c7e866e2289caff991e4a3df77ddc5d0ff9c477c1d2

Download Submit
memory/4136-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4136-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4136-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4136-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4136-38-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4844-43-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4844-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4844-44-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4844-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4844-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4844-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4844-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads