metasploit | cc5ace12565a21cc26c7792c0ab65d95c9607099cc7e5435efe68bd42293bf64

General

Target

de35804c493b0728da278079d0622607_JaffaCakes118.exe
Size

250KB
MD5

de35804c493b0728da278079d0622607
SHA1

4bd21b8719e015dffbcc6f4dd5a7810e040ee071
SHA256

cc5ace12565a21cc26c7792c0ab65d95c9607099cc7e5435efe68bd42293bf64
SHA512

6dd12c6d8b1a54c9cedf779135cfabd54b17e8d06368208c0ff7fce1f5b090d6523c82110572ec90debf24a1bf88527d2d1a7d1468cd6e4f98ffa8a56b6b6e2b
SSDEEP

3072:TdS5IDGffZVTrHUn/CNZ2vb+IUzcJ2CvHuRBGBiB7olsNd7VWOLaVyBcqcLYG3ZS:E56GffHrHCU/kLvHrByhL7VWOWVy6LYv

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\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptc32.exe = "C:\\Windows\\SysWOW64\\wmptc32.exe:*:Enabled:Windows Terminal Services"	wmptc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmptc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmptc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmptc32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptc32.exe = "C:\\Windows\\SysWOW64\\wmptc32.exe:*:Enabled:Windows Terminal Services"	wmptc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmptc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmptc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmptc32.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	de35804c493b0728da278079d0622607_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2324	wmptc32.exe

Executes dropped EXE 2 IoCs

pid	Process
1188	wmptc32.exe
2324	wmptc32.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 Terminal Services = "C:\\Windows\\SysWOW64\\wmptc32.exe"	wmptc32.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	wmptc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	de35804c493b0728da278079d0622607_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	de35804c493b0728da278079d0622607_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmptc32.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	de35804c493b0728da278079d0622607_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmptc32.exe	de35804c493b0728da278079d0622607_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmptc32.exe	de35804c493b0728da278079d0622607_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmptc32.exe
File opened for modification	C:\Windows\SysWOW64\wmptc32.exe	wmptc32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 1188 set thread context of 2324	1188	wmptc32.exe	88

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4352-1-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4352-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4352-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4352-6-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2324-45-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4352-47-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2324-49-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2324-50-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2324-51-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2324-58-0x0000000000400000-0x0000000000454000-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	de35804c493b0728da278079d0622607_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmptc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmptc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de35804c493b0728da278079d0622607_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	de35804c493b0728da278079d0622607_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4352	de35804c493b0728da278079d0622607_JaffaCakes118.exe
4352	de35804c493b0728da278079d0622607_JaffaCakes118.exe
4352	de35804c493b0728da278079d0622607_JaffaCakes118.exe
4352	de35804c493b0728da278079d0622607_JaffaCakes118.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe
2324	wmptc32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 1628 wrote to memory of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 1628 wrote to memory of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 1628 wrote to memory of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 1628 wrote to memory of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 1628 wrote to memory of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 1628 wrote to memory of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 1628 wrote to memory of 4352	1628	de35804c493b0728da278079d0622607_JaffaCakes118.exe	85
PID 4352 wrote to memory of 1188	4352	de35804c493b0728da278079d0622607_JaffaCakes118.exe	87
PID 4352 wrote to memory of 1188	4352	de35804c493b0728da278079d0622607_JaffaCakes118.exe	87
PID 4352 wrote to memory of 1188	4352	de35804c493b0728da278079d0622607_JaffaCakes118.exe	87
PID 1188 wrote to memory of 2324	1188	wmptc32.exe	88
PID 1188 wrote to memory of 2324	1188	wmptc32.exe	88
PID 1188 wrote to memory of 2324	1188	wmptc32.exe	88
PID 1188 wrote to memory of 2324	1188	wmptc32.exe	88
PID 1188 wrote to memory of 2324	1188	wmptc32.exe	88
PID 1188 wrote to memory of 2324	1188	wmptc32.exe	88
PID 1188 wrote to memory of 2324	1188	wmptc32.exe	88
PID 1188 wrote to memory of 2324	1188	wmptc32.exe	88
PID 2324 wrote to memory of 3516	2324	wmptc32.exe	56
PID 2324 wrote to memory of 3516	2324	wmptc32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3516
- C:\Users\Admin\AppData\Local\Temp\de35804c493b0728da278079d0622607_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\de35804c493b0728da278079d0622607_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Users\Admin\AppData\Local\Temp\de35804c493b0728da278079d0622607_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\de35804c493b0728da278079d0622607_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:4352
  - - C:\Windows\SysWOW64\wmptc32.exe
      "C:\Windows\SysWOW64\wmptc32.exe" C:\Users\Admin\AppData\Local\Temp\DE3580~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1188
    - - C:\Windows\SysWOW64\wmptc32.exe
        
        "C:\Windows\SysWOW64\wmptc32.exe" C:\Users\Admin\AppData\Local\Temp\DE3580~1.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:2324

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\wmptc32.exe

Filesize
250KB

MD5
de35804c493b0728da278079d0622607

SHA1
4bd21b8719e015dffbcc6f4dd5a7810e040ee071

SHA256
cc5ace12565a21cc26c7792c0ab65d95c9607099cc7e5435efe68bd42293bf64

SHA512
6dd12c6d8b1a54c9cedf779135cfabd54b17e8d06368208c0ff7fce1f5b090d6523c82110572ec90debf24a1bf88527d2d1a7d1468cd6e4f98ffa8a56b6b6e2b

Download Submit
memory/1188-43-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1628-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1628-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2324-49-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-58-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-51-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-50-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-45-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4352-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4352-47-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4352-6-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4352-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4352-1-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads