metasploit | ede63458a70e893bb2f4bf38384b0c50d6303b746b2c477b04899622bfd8464b

General

Target

c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
Size

242KB
MD5

c881277196e98d396fcc6ddb4d2ebdc6
SHA1

aa8ee793fe5fa8d7252bdcab4fef2b34dc3f9b2f
SHA256

ede63458a70e893bb2f4bf38384b0c50d6303b746b2c477b04899622bfd8464b
SHA512

6e7100f737c75a39070a7bff153fb616aaec34b212463474d8e24be7a1f92b2c01fea4fa6ad59560214e1644ad2b8bb4345aa58a4f5fc4d1e4e7def8bc028ec3
SSDEEP

3072:34u5Jwdk07up1MTmGgbky7HerR3ke9EKX1ZeMXFcq4G+aLwfndrRqh:35wJ+BvH7+7RcVAendr

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\AuthorizedApplications	wmptc64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptc64.exe = "C:\\Windows\\SysWOW64\\wmptc64.exe:*:Enabled:Windows Media ToolTip"	wmptc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmptc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmptc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmptc64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmptc64.exe = "C:\\Windows\\SysWOW64\\wmptc64.exe:*:Enabled:Windows Media ToolTip"	wmptc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmptc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmptc64.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	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3004	wmptc64.exe

Executes dropped EXE 2 IoCs

pid	Process
3104	wmptc64.exe
3004	wmptc64.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 ToolTip = "C:\\Windows\\SysWOW64\\wmptc64.exe"	wmptc64.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	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmptc64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmptc64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	wmptc64.exe
File opened for modification	C:\Windows\SysWOW64\wmptc64.exe	wmptc64.exe
File opened for modification	C:\Windows\SysWOW64\	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmptc64.exe	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmptc64.exe	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 3104 set thread context of 3004	3104	wmptc64.exe	93

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4180-0-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/4180-2-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/4180-4-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/4180-3-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/4180-38-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3004-45-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3004-44-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3004-43-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3004-46-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3004-47-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3004-48-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3004-55-0x0000000000400000-0x0000000000461000-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	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmptc64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmptc64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4180	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
4180	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
4180	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
4180	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe
3004	wmptc64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 2372 wrote to memory of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 2372 wrote to memory of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 2372 wrote to memory of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 2372 wrote to memory of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 2372 wrote to memory of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 2372 wrote to memory of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 2372 wrote to memory of 4180	2372	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	85
PID 4180 wrote to memory of 3104	4180	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	87
PID 4180 wrote to memory of 3104	4180	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	87
PID 4180 wrote to memory of 3104	4180	c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe	87
PID 3104 wrote to memory of 3004	3104	wmptc64.exe	93
PID 3104 wrote to memory of 3004	3104	wmptc64.exe	93
PID 3104 wrote to memory of 3004	3104	wmptc64.exe	93
PID 3104 wrote to memory of 3004	3104	wmptc64.exe	93
PID 3104 wrote to memory of 3004	3104	wmptc64.exe	93
PID 3104 wrote to memory of 3004	3104	wmptc64.exe	93
PID 3104 wrote to memory of 3004	3104	wmptc64.exe	93
PID 3104 wrote to memory of 3004	3104	wmptc64.exe	93
PID 3004 wrote to memory of 3516	3004	wmptc64.exe	56
PID 3004 wrote to memory of 3516	3004	wmptc64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3516
- C:\Users\Admin\AppData\Local\Temp\c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Users\Admin\AppData\Local\Temp\c881277196e98d396fcc6ddb4d2ebdc6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c881277196e98d396fcc6ddb4d2ebdc6_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:4180
  - - C:\Windows\SysWOW64\wmptc64.exe
      "C:\Windows\SysWOW64\wmptc64.exe" C:\Users\Admin\AppData\Local\Temp\C88127~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3104
    - - C:\Windows\SysWOW64\wmptc64.exe
        
        "C:\Windows\SysWOW64\wmptc64.exe" C:\Users\Admin\AppData\Local\Temp\C88127~1.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:3004

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\wmptc64.exe

Filesize
242KB

MD5
c881277196e98d396fcc6ddb4d2ebdc6

SHA1
aa8ee793fe5fa8d7252bdcab4fef2b34dc3f9b2f

SHA256
ede63458a70e893bb2f4bf38384b0c50d6303b746b2c477b04899622bfd8464b

SHA512
6e7100f737c75a39070a7bff153fb616aaec34b212463474d8e24be7a1f92b2c01fea4fa6ad59560214e1644ad2b8bb4345aa58a4f5fc4d1e4e7def8bc028ec3

Download Submit
memory/3004-46-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3004-45-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3004-44-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3004-43-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3004-47-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3004-48-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3004-55-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/4180-4-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/4180-3-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/4180-2-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/4180-38-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/4180-0-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads