metasploit | 499839f62ea8f13d090d0d28b45b9f2121526596522c60ec0c0bfdc2985ce0b1

General

Target

d644761f071041cbad07dbb040685778_JaffaCakes118.exe
Size

261KB
MD5

d644761f071041cbad07dbb040685778
SHA1

b6330192f5a089b778c2c1f0a951af7608b2cc10
SHA256

499839f62ea8f13d090d0d28b45b9f2121526596522c60ec0c0bfdc2985ce0b1
SHA512

f93d1d66bd188e6ff8aa77a1752046d8a94f8fd0d28652d31dc5f8aac6d22973e9068108726459be10b8ee8ab10b11105d9282988e03405a6a86fb703560d432
SSDEEP

3072:+bsUtq7WH2ZRTUKGkpRu2yW0BXUA8ZrplwC/rwwwwwwwwwwwqmLG3e26FNXxMcbp:+bsUESHsRQKfwlHzxL1gGbjG

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

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\List	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdt86.exe = "C:\\Windows\\SysWOW64\\wmpdt86.exe:*:Enabled:Windows Data Recovery"	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdt86.exe = "C:\\Windows\\SysWOW64\\wmpdt86.exe:*:Enabled:Windows Data Recovery"	wmpdt86.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	d644761f071041cbad07dbb040685778_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3068	wmpdt86.exe

Executes dropped EXE 2 IoCs

pid	Process
2692	wmpdt86.exe
3068	wmpdt86.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3612-6-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3612-7-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3612-5-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3612-1-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3068-47-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3612-48-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3068-50-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3068-51-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3068-52-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/3068-59-0x0000000000400000-0x0000000000456000-memory.dmp	upx

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 Data Recovery = "C:\\Windows\\SysWOW64\\wmpdt86.exe"	wmpdt86.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	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdt86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdt86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d644761f071041cbad07dbb040685778_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	wmpdt86.exe
File opened for modification	C:\Windows\SysWOW64\wmpdt86.exe	wmpdt86.exe
File opened for modification	C:\Windows\SysWOW64\	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdt86.exe	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdt86.exe	d644761f071041cbad07dbb040685778_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4328 set thread context of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 2692 set thread context of 3068	2692	wmpdt86.exe	89

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	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdt86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdt86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d644761f071041cbad07dbb040685778_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3612	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
3612	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
3612	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
3612	d644761f071041cbad07dbb040685778_JaffaCakes118.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe
3068	wmpdt86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 4328 wrote to memory of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 4328 wrote to memory of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 4328 wrote to memory of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 4328 wrote to memory of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 4328 wrote to memory of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 4328 wrote to memory of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 4328 wrote to memory of 3612	4328	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	84
PID 3612 wrote to memory of 2692	3612	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	88
PID 3612 wrote to memory of 2692	3612	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	88
PID 3612 wrote to memory of 2692	3612	d644761f071041cbad07dbb040685778_JaffaCakes118.exe	88
PID 2692 wrote to memory of 3068	2692	wmpdt86.exe	89
PID 2692 wrote to memory of 3068	2692	wmpdt86.exe	89
PID 2692 wrote to memory of 3068	2692	wmpdt86.exe	89
PID 2692 wrote to memory of 3068	2692	wmpdt86.exe	89
PID 2692 wrote to memory of 3068	2692	wmpdt86.exe	89
PID 2692 wrote to memory of 3068	2692	wmpdt86.exe	89
PID 2692 wrote to memory of 3068	2692	wmpdt86.exe	89
PID 2692 wrote to memory of 3068	2692	wmpdt86.exe	89
PID 3068 wrote to memory of 3532	3068	wmpdt86.exe	56
PID 3068 wrote to memory of 3532	3068	wmpdt86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3532
- C:\Users\Admin\AppData\Local\Temp\d644761f071041cbad07dbb040685778_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d644761f071041cbad07dbb040685778_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4328
- - C:\Users\Admin\AppData\Local\Temp\d644761f071041cbad07dbb040685778_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d644761f071041cbad07dbb040685778_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:3612
  - - C:\Windows\SysWOW64\wmpdt86.exe
      "C:\Windows\SysWOW64\wmpdt86.exe" C:\Users\Admin\AppData\Local\Temp\D64476~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2692
    - - C:\Windows\SysWOW64\wmpdt86.exe
        
        "C:\Windows\SysWOW64\wmpdt86.exe" C:\Users\Admin\AppData\Local\Temp\D64476~1.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:3068

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\wmpdt86.exe

Filesize
261KB

MD5
d644761f071041cbad07dbb040685778

SHA1
b6330192f5a089b778c2c1f0a951af7608b2cc10

SHA256
499839f62ea8f13d090d0d28b45b9f2121526596522c60ec0c0bfdc2985ce0b1

SHA512
f93d1d66bd188e6ff8aa77a1752046d8a94f8fd0d28652d31dc5f8aac6d22973e9068108726459be10b8ee8ab10b11105d9282988e03405a6a86fb703560d432

Download Submit
memory/2692-44-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3068-59-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3068-52-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3068-51-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3068-50-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3068-47-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3612-7-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3612-1-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3612-2-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3612-48-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3612-5-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3612-6-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4328-0-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4328-4-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads