metasploit | d8f4c627f0e25abe98be7572483cf0474ca1f41e0ab98b5c4eb081db6be8c2ed

General

Target

9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
Size

252KB
MD5

9b174ca049ff64b9bb7b0bdb70343b71
SHA1

0bd0107156db8118c6f29b74afec15b8d18fe5ef
SHA256

d8f4c627f0e25abe98be7572483cf0474ca1f41e0ab98b5c4eb081db6be8c2ed
SHA512

2d40e68eac43622a7e4947ad631d108cec3d2769b8f0605561e8dc20fb68e06e640728bf93c3de9830b1ccc81fdcdb39ab608ec619d3ee8a668ed50d5aed79fa
SSDEEP

6144:kp2YmLxFktij8QPy/pYwEze9YDtF7qq4iA8uLGNVKI7:Y2Y0naH/pbEzdDTqqT

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	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdr64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr64.exe = "C:\\Windows\\SysWOW64\\wmpdr64.exe:*:Enabled:Windows Media DHCP"	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdr64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr64.exe = "C:\\Windows\\SysWOW64\\wmpdr64.exe:*:Enabled:Windows Media DHCP"	wmpdr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdr64.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1920	wmpdr64.exe

Executes dropped EXE 2 IoCs

pid	Process
3316	wmpdr64.exe
1920	wmpdr64.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 DHCP = "C:\\Windows\\SysWOW64\\wmpdr64.exe"	wmpdr64.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	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdr64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdr64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wmpdr64.exe	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdr64.exe
File opened for modification	C:\Windows\SysWOW64\wmpdr64.exe	wmpdr64.exe
File opened for modification	C:\Windows\SysWOW64\	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdr64.exe	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3648 set thread context of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 3316 set thread context of 1920	3316	wmpdr64.exe	85

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1272-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1272-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1272-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1272-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1272-38-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1920-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1920-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1920-43-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1920-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1920-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1920-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1920-55-0x0000000000400000-0x0000000000464000-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	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdr64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdr64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1272	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
1272	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
1272	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
1272	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe
1920	wmpdr64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 3648 wrote to memory of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 3648 wrote to memory of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 3648 wrote to memory of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 3648 wrote to memory of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 3648 wrote to memory of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 3648 wrote to memory of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 3648 wrote to memory of 1272	3648	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	81
PID 1272 wrote to memory of 3316	1272	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	84
PID 1272 wrote to memory of 3316	1272	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	84
PID 1272 wrote to memory of 3316	1272	9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe	84
PID 3316 wrote to memory of 1920	3316	wmpdr64.exe	85
PID 3316 wrote to memory of 1920	3316	wmpdr64.exe	85
PID 3316 wrote to memory of 1920	3316	wmpdr64.exe	85
PID 3316 wrote to memory of 1920	3316	wmpdr64.exe	85
PID 3316 wrote to memory of 1920	3316	wmpdr64.exe	85
PID 3316 wrote to memory of 1920	3316	wmpdr64.exe	85
PID 3316 wrote to memory of 1920	3316	wmpdr64.exe	85
PID 3316 wrote to memory of 1920	3316	wmpdr64.exe	85
PID 1920 wrote to memory of 3348	1920	wmpdr64.exe	55
PID 1920 wrote to memory of 3348	1920	wmpdr64.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3348
- C:\Users\Admin\AppData\Local\Temp\9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Users\Admin\AppData\Local\Temp\9b174ca049ff64b9bb7b0bdb70343b71_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9b174ca049ff64b9bb7b0bdb70343b71_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:1272
  - - C:\Windows\SysWOW64\wmpdr64.exe
      "C:\Windows\SysWOW64\wmpdr64.exe" C:\Users\Admin\AppData\Local\Temp\9B174C~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3316
    - - C:\Windows\SysWOW64\wmpdr64.exe
        
        "C:\Windows\SysWOW64\wmpdr64.exe" C:\Users\Admin\AppData\Local\Temp\9B174C~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:1920

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\wmpdr64.exe

Filesize
252KB

MD5
9b174ca049ff64b9bb7b0bdb70343b71

SHA1
0bd0107156db8118c6f29b74afec15b8d18fe5ef

SHA256
d8f4c627f0e25abe98be7572483cf0474ca1f41e0ab98b5c4eb081db6be8c2ed

SHA512
2d40e68eac43622a7e4947ad631d108cec3d2769b8f0605561e8dc20fb68e06e640728bf93c3de9830b1ccc81fdcdb39ab608ec619d3ee8a668ed50d5aed79fa

Download Submit
memory/1272-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1272-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1272-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1272-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1272-38-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1920-44-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1920-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1920-43-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1920-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1920-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1920-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1920-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads