metasploit | 048b4b6e905e9f7ca1258a3ded781280d5d67c71bac00f7e8da71325b2f330f2

General

Target

e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
Size

157KB
MD5

e80e4c632bb0820047f6a58cd964f852
SHA1

da97daa5ee2a451ec14f2e712e98d36efa840df0
SHA256

048b4b6e905e9f7ca1258a3ded781280d5d67c71bac00f7e8da71325b2f330f2
SHA512

6278821ff69bcde55bc4596a87b2062acd18a66dc2f77c62ba0deb4eef34d01f06b866bb6f9d90c2d8880469e43ab7213a25831dddc6e4abe733700e2f317478
SSDEEP

3072:doOO85Gb5FQRBQV5KdhLfgEtLh8dHzKqiXVFNtIr3aO4wOW6:+KBKofgEcdTkXDNG3aNW6

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

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\wmpnt86.exe = "C:\\Windows\\SysWOW64\\wmpnt86.exe:*:Enabled:Windows Media Networking"	wmpnt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpnt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpnt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpnt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpnt86.exe = "C:\\Windows\\SysWOW64\\wmpnt86.exe:*:Enabled:Windows Media Networking"	wmpnt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpnt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpnt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpnt86.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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
5000	wmpnt86.exe

Executes dropped EXE 2 IoCs

pid	Process
4156	wmpnt86.exe
5000	wmpnt86.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5076-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5076-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5076-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5076-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5076-40-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5000-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5076-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5000-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5000-48-0x0000000000400000-0x000000000044C000-memory.dmp	upx

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 Networking = "C:\\Windows\\SysWOW64\\wmpnt86.exe"	wmpnt86.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	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpnt86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpnt86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	wmpnt86.exe
File opened for modification	C:\Windows\SysWOW64\	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpnt86.exe	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpnt86.exe	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 5076	2812	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	82
PID 4156 set thread context of 5000	4156	wmpnt86.exe	89

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	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpnt86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpnt86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5076	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
5076	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
5076	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
5076	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
5000	wmpnt86.exe
5000	wmpnt86.exe
5000	wmpnt86.exe
5000	wmpnt86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 5076	2812	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	82
PID 2812 wrote to memory of 5076	2812	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	82
PID 2812 wrote to memory of 5076	2812	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	82
PID 2812 wrote to memory of 5076	2812	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	82
PID 2812 wrote to memory of 5076	2812	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	82
PID 2812 wrote to memory of 5076	2812	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	82
PID 2812 wrote to memory of 5076	2812	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	82
PID 5076 wrote to memory of 4156	5076	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	88
PID 5076 wrote to memory of 4156	5076	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	88
PID 5076 wrote to memory of 4156	5076	e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe	88
PID 4156 wrote to memory of 5000	4156	wmpnt86.exe	89
PID 4156 wrote to memory of 5000	4156	wmpnt86.exe	89
PID 4156 wrote to memory of 5000	4156	wmpnt86.exe	89
PID 4156 wrote to memory of 5000	4156	wmpnt86.exe	89
PID 4156 wrote to memory of 5000	4156	wmpnt86.exe	89
PID 4156 wrote to memory of 5000	4156	wmpnt86.exe	89
PID 4156 wrote to memory of 5000	4156	wmpnt86.exe	89
PID 5000 wrote to memory of 3472	5000	wmpnt86.exe	56
PID 5000 wrote to memory of 3472	5000	wmpnt86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3472
- C:\Users\Admin\AppData\Local\Temp\e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Users\Admin\AppData\Local\Temp\e80e4c632bb0820047f6a58cd964f852_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e80e4c632bb0820047f6a58cd964f852_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:5076
  - - C:\Windows\SysWOW64\wmpnt86.exe
      "C:\Windows\SysWOW64\wmpnt86.exe" C:\Users\Admin\AppData\Local\Temp\E80E4C~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4156
    - - C:\Windows\SysWOW64\wmpnt86.exe
        
        "C:\Windows\SysWOW64\wmpnt86.exe" C:\Users\Admin\AppData\Local\Temp\E80E4C~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:5000

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\wmpnt86.exe

Filesize
157KB

MD5
e80e4c632bb0820047f6a58cd964f852

SHA1
da97daa5ee2a451ec14f2e712e98d36efa840df0

SHA256
048b4b6e905e9f7ca1258a3ded781280d5d67c71bac00f7e8da71325b2f330f2

SHA512
6278821ff69bcde55bc4596a87b2062acd18a66dc2f77c62ba0deb4eef34d01f06b866bb6f9d90c2d8880469e43ab7213a25831dddc6e4abe733700e2f317478

Download Submit
memory/5000-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5000-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5000-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5076-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5076-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5076-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5076-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5076-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5076-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads