metasploit | a0d557d86d74a2868e62d29e8ac0f25aa967d6feaaba7b3364436f3c73084de7

General

Target

ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
Size

173KB
MD5

ab384f406d37a9911a1bfab189d28d44
SHA1

53688d5217853ad0e0a67dc7555684c876c24734
SHA256

a0d557d86d74a2868e62d29e8ac0f25aa967d6feaaba7b3364436f3c73084de7
SHA512

e4daab398459a70d08b3c31999875e47d4bdced683d7b41bd9d02b556d74bce89a0da1c2b5c2b898e1ae44a98b6d43cdbd5c4eb5932d3b36d761c8fd1cbfe911
SSDEEP

3072:ulL0FkRGxbEaHUzJh/Ib2mbleeJGrxzB3bPTfTrJFnOqmNJ7RGsdj1N0ebz+xF:ut0FdxEaWVIbPESGFp/3nOqmNJ7Rd/0Z

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	wmpdr32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdr32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr32.exe = "C:\\Windows\\SysWOW64\\wmpdr32.exe:*:Enabled:WinMedia vServer"	wmpdr32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdr32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdr32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdr32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr32.exe = "C:\\Windows\\SysWOW64\\wmpdr32.exe:*:Enabled:WinMedia vServer"	wmpdr32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdr32.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4736	wmpdr32.exe

Executes dropped EXE 2 IoCs

pid	Process
2656	wmpdr32.exe
4736	wmpdr32.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\WinMedia vServer = "C:\\Windows\\SysWOW64\\wmpdr32.exe"	wmpdr32.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	wmpdr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdr32.exe	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdr32.exe	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdr32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3748 set thread context of 1316	3748	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	83
PID 2656 set thread context of 4736	2656	wmpdr32.exe	97

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1316-1-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1316-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1316-5-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1316-6-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1316-33-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1316-50-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4736-51-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4736-52-0x0000000000400000-0x000000000044C000-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	wmpdr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1316	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
1316	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
1316	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
1316	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
4736	wmpdr32.exe
4736	wmpdr32.exe
4736	wmpdr32.exe
4736	wmpdr32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 1316	3748	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	83
PID 3748 wrote to memory of 1316	3748	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	83
PID 3748 wrote to memory of 1316	3748	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	83
PID 3748 wrote to memory of 1316	3748	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	83
PID 3748 wrote to memory of 1316	3748	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	83
PID 3748 wrote to memory of 1316	3748	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	83
PID 3748 wrote to memory of 1316	3748	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	83
PID 1316 wrote to memory of 2656	1316	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	96
PID 1316 wrote to memory of 2656	1316	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	96
PID 1316 wrote to memory of 2656	1316	ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe	96
PID 2656 wrote to memory of 4736	2656	wmpdr32.exe	97
PID 2656 wrote to memory of 4736	2656	wmpdr32.exe	97
PID 2656 wrote to memory of 4736	2656	wmpdr32.exe	97
PID 2656 wrote to memory of 4736	2656	wmpdr32.exe	97
PID 2656 wrote to memory of 4736	2656	wmpdr32.exe	97
PID 2656 wrote to memory of 4736	2656	wmpdr32.exe	97
PID 2656 wrote to memory of 4736	2656	wmpdr32.exe	97
PID 4736 wrote to memory of 3440	4736	wmpdr32.exe	56
PID 4736 wrote to memory of 3440	4736	wmpdr32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Users\Admin\AppData\Local\Temp\ab384f406d37a9911a1bfab189d28d44_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ab384f406d37a9911a1bfab189d28d44_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:1316
  - - C:\Windows\SysWOW64\wmpdr32.exe
      "C:\Windows\SysWOW64\wmpdr32.exe" C:\Users\Admin\AppData\Local\Temp\AB384F~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2656
    - - C:\Windows\SysWOW64\wmpdr32.exe
        
        "C:\Windows\SysWOW64\wmpdr32.exe" C:\Users\Admin\AppData\Local\Temp\AB384F~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:4736

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\wmpdr32.exe

Filesize
173KB

MD5
ab384f406d37a9911a1bfab189d28d44

SHA1
53688d5217853ad0e0a67dc7555684c876c24734

SHA256
a0d557d86d74a2868e62d29e8ac0f25aa967d6feaaba7b3364436f3c73084de7

SHA512
e4daab398459a70d08b3c31999875e47d4bdced683d7b41bd9d02b556d74bce89a0da1c2b5c2b898e1ae44a98b6d43cdbd5c4eb5932d3b36d761c8fd1cbfe911

Download Submit
memory/1316-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1316-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1316-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1316-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1316-33-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1316-50-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2656-40-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2656-46-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3748-3-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3748-0-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4736-51-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4736-52-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads