metasploit | 64aefe6340d980fd4e9e6335d963603240017bcfc47c066f4594540b6ed4d091

General

Target

JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
Size

387KB
MD5

6578960c947459cf94a7fe1a198dcee1
SHA1

53773c69ec64a2bf142bb53189dd20ac469e0410
SHA256

64aefe6340d980fd4e9e6335d963603240017bcfc47c066f4594540b6ed4d091
SHA512

07905b92d0f77d468f5faccd92db4887920daa836f33d0e3a6c44589516a3462d61f4a2bc0dd8a222fffa60881abed20fe97c1f1f6a7d7598145f00b6c91fc68
SSDEEP

3072:a0+e5h95FBnOwlv13zbSCcH88Or1KJ1VbB5XU+bSk7HPbIcJv:5+e3VB1xRbSK86kJ3r7EEv

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpsl64.exe = "C:\\Windows\\SysWOW64\\wmpsl64.exe:*:Enabled:Windows Media Scheduler"	wmpsl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpsl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpsl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpsl64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpsl64.exe = "C:\\Windows\\SysWOW64\\wmpsl64.exe:*:Enabled:Windows Media Scheduler"	wmpsl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpsl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpsl64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpsl64.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe	wmpsl64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "CMD /C>null"	wmpsl64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe	wmpsl64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\epplauncher.exe\Debugger = "CMD /C>null"	wmpsl64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe	wmpsl64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\Debugger = "CMD /C>null"	wmpsl64.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	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe

Deletes itself 1 IoCs

pid	Process
5004	wmpsl64.exe

Executes dropped EXE 2 IoCs

pid	Process
4020	wmpsl64.exe
5004	wmpsl64.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 Scheduler = "C:\\Windows\\SysWOW64\\wmpsl64.exe"	wmpsl64.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	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpsl64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpsl64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
File opened for modification	C:\Windows\SysWOW64\wmpsl64.exe	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
File created	C:\Windows\SysWOW64\wmpsl64.exe	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
File opened for modification	C:\Windows\SysWOW64\	wmpsl64.exe
File opened for modification	C:\Windows\SysWOW64\wmpsl64.exe	wmpsl64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2180 set thread context of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 4020 set thread context of 5004	4020	wmpsl64.exe	84

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1928-1-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/1928-4-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/1928-6-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/1928-5-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/1928-43-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/5004-47-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/5004-50-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/5004-49-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/5004-51-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/5004-52-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/5004-53-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/5004-61-0x0000000000400000-0x0000000000461000-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	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpsl64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpsl64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1928	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
1928	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
1928	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
1928	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe
5004	wmpsl64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 2180 wrote to memory of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 2180 wrote to memory of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 2180 wrote to memory of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 2180 wrote to memory of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 2180 wrote to memory of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 2180 wrote to memory of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 2180 wrote to memory of 1928	2180	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	82
PID 1928 wrote to memory of 4020	1928	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	83
PID 1928 wrote to memory of 4020	1928	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	83
PID 1928 wrote to memory of 4020	1928	JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe	83
PID 4020 wrote to memory of 5004	4020	wmpsl64.exe	84
PID 4020 wrote to memory of 5004	4020	wmpsl64.exe	84
PID 4020 wrote to memory of 5004	4020	wmpsl64.exe	84
PID 4020 wrote to memory of 5004	4020	wmpsl64.exe	84
PID 4020 wrote to memory of 5004	4020	wmpsl64.exe	84
PID 4020 wrote to memory of 5004	4020	wmpsl64.exe	84
PID 4020 wrote to memory of 5004	4020	wmpsl64.exe	84
PID 4020 wrote to memory of 5004	4020	wmpsl64.exe	84
PID 5004 wrote to memory of 3496	5004	wmpsl64.exe	56
PID 5004 wrote to memory of 3496	5004	wmpsl64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3496
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6578960c947459cf94a7fe1a198dcee1.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:1928
  - - C:\Windows\SysWOW64\wmpsl64.exe
      "C:\Windows\SysWOW64\wmpsl64.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4020
    - - C:\Windows\SysWOW64\wmpsl64.exe
        
        "C:\Windows\SysWOW64\wmpsl64.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
        5⤵
        Modifies firewall policy service
        Event Triggered Execution: Image File Execution Options Injection
        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:5004

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

Event Triggered Execution

1

T1546

Image File Execution Options Injection

1

T1546.012

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

Event Triggered Execution

1

T1546

Image File Execution Options Injection

1

T1546.012

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\wmpsl64.exe

Filesize
387KB

MD5
6578960c947459cf94a7fe1a198dcee1

SHA1
53773c69ec64a2bf142bb53189dd20ac469e0410

SHA256
64aefe6340d980fd4e9e6335d963603240017bcfc47c066f4594540b6ed4d091

SHA512
07905b92d0f77d468f5faccd92db4887920daa836f33d0e3a6c44589516a3462d61f4a2bc0dd8a222fffa60881abed20fe97c1f1f6a7d7598145f00b6c91fc68

Download Submit
memory/1928-1-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/1928-4-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/1928-6-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/1928-5-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/1928-43-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2180-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2180-3-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4020-40-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4020-48-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/5004-47-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/5004-50-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/5004-49-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/5004-51-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/5004-52-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/5004-53-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/5004-61-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads