metasploit | 6991210fa8d7a4cbe26ec93ed0527cb86a868f886941cdb7b74993f009bb4178

General

Target

a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
Size

270KB
MD5

a07ca99f0834243f6ebb834d6b776659
SHA1

0b9df698a1f9dfccb564861305085a76b0a95b44
SHA256

6991210fa8d7a4cbe26ec93ed0527cb86a868f886941cdb7b74993f009bb4178
SHA512

3030da509754e464be60964c09ef0f33a2b9c35f5e5ff0cecb37d57d43adccc2d25d5ac95081e697cc0e1eddf65327757a6b5569b7d3b7c8839a0ec69cec66d5
SSDEEP

6144:RRHarDVeNP2mKF78tMoq6XJLeEeEVjTw5R0PIz:Rp4ZeNP2my8tMoq6FrtGow

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\wmpdr86.exe = "C:\\Windows\\SysWOW64\\wmpdr86.exe:*:Enabled:Windows Drive Monitor"	wmpdr86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdr86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdr86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdr86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdr86.exe = "C:\\Windows\\SysWOW64\\wmpdr86.exe:*:Enabled:Windows Drive Monitor"	wmpdr86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdr86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdr86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdr86.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3216	wmpdr86.exe

Executes dropped EXE 2 IoCs

pid	Process
4008	wmpdr86.exe
3216	wmpdr86.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 Drive Monitor = "C:\\Windows\\SysWOW64\\wmpdr86.exe"	wmpdr86.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	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdr86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdr86.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdr86.exe	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdr86.exe	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdr86.exe
File opened for modification	C:\Windows\SysWOW64\wmpdr86.exe	wmpdr86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4684 set thread context of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 4008 set thread context of 3216	4008	wmpdr86.exe	92

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1684-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1684-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1684-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1684-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3216-43-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1684-45-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3216-47-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3216-48-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3216-49-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3216-56-0x0000000000400000-0x0000000000454000-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	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdr86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdr86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
1684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
1684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
1684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe
3216	wmpdr86.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 4684 wrote to memory of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 4684 wrote to memory of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 4684 wrote to memory of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 4684 wrote to memory of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 4684 wrote to memory of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 4684 wrote to memory of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 4684 wrote to memory of 1684	4684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	83
PID 1684 wrote to memory of 4008	1684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	91
PID 1684 wrote to memory of 4008	1684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	91
PID 1684 wrote to memory of 4008	1684	a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe	91
PID 4008 wrote to memory of 3216	4008	wmpdr86.exe	92
PID 4008 wrote to memory of 3216	4008	wmpdr86.exe	92
PID 4008 wrote to memory of 3216	4008	wmpdr86.exe	92
PID 4008 wrote to memory of 3216	4008	wmpdr86.exe	92
PID 4008 wrote to memory of 3216	4008	wmpdr86.exe	92
PID 4008 wrote to memory of 3216	4008	wmpdr86.exe	92
PID 4008 wrote to memory of 3216	4008	wmpdr86.exe	92
PID 4008 wrote to memory of 3216	4008	wmpdr86.exe	92
PID 3216 wrote to memory of 3544	3216	wmpdr86.exe	56
PID 3216 wrote to memory of 3544	3216	wmpdr86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3544
- C:\Users\Admin\AppData\Local\Temp\a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4684
- - C:\Users\Admin\AppData\Local\Temp\a07ca99f0834243f6ebb834d6b776659_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a07ca99f0834243f6ebb834d6b776659_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:1684
  - - C:\Windows\SysWOW64\wmpdr86.exe
      "C:\Windows\SysWOW64\wmpdr86.exe" C:\Users\Admin\AppData\Local\Temp\A07CA9~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4008
    - - C:\Windows\SysWOW64\wmpdr86.exe
        
        "C:\Windows\SysWOW64\wmpdr86.exe" C:\Users\Admin\AppData\Local\Temp\A07CA9~1.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:3216

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\wmpdr86.exe

Filesize
270KB

MD5
a07ca99f0834243f6ebb834d6b776659

SHA1
0b9df698a1f9dfccb564861305085a76b0a95b44

SHA256
6991210fa8d7a4cbe26ec93ed0527cb86a868f886941cdb7b74993f009bb4178

SHA512
3030da509754e464be60964c09ef0f33a2b9c35f5e5ff0cecb37d57d43adccc2d25d5ac95081e697cc0e1eddf65327757a6b5569b7d3b7c8839a0ec69cec66d5

Download Submit
memory/1684-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1684-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1684-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1684-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1684-45-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3216-43-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3216-47-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3216-48-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3216-49-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3216-56-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads