metasploit | 6cd0bd31401f19f42a7cd01746288122afa504519dad3e523f74febd8311da45

General

Target

e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
Size

255KB
MD5

e53200e9d295bfa749e236c054c51171
SHA1

2da9ecd0c20c153e5827b5257e2ab02d724a6f22
SHA256

6cd0bd31401f19f42a7cd01746288122afa504519dad3e523f74febd8311da45
SHA512

f47320d74e2cdc89641926a21241c4ddfdba2b39b14ecf2d2654fb4bb573a4f456f33f40089fcd4257e9cedfe286c1f40a770b3d124202294bedaa4e0d09feab
SSDEEP

6144:kOXSzd4MZFHnOr/mqk1p2vKXy2Rwrt+lxawMX3s4tTc:kqSeMZFur/I10vcwp+lxawMX3s4tTc

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\StandardProfile\AuthorizedApplications	wmpdc64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdc64.exe = "C:\\Windows\\SysWOW64\\wmpdc64.exe:*:Enabled:Windows Media Center"	wmpdc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdc64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdc64.exe = "C:\\Windows\\SysWOW64\\wmpdc64.exe:*:Enabled:Windows Media Center"	wmpdc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdc64.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	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3096	wmpdc64.exe

Executes dropped EXE 2 IoCs

pid	Process
1492	wmpdc64.exe
3096	wmpdc64.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 Center = "C:\\Windows\\SysWOW64\\wmpdc64.exe"	wmpdc64.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	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdc64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdc64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wmpdc64.exe	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdc64.exe	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdc64.exe
File opened for modification	C:\Windows\SysWOW64\wmpdc64.exe	wmpdc64.exe
File opened for modification	C:\Windows\SysWOW64\	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3136 set thread context of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 1492 set thread context of 3096	1492	wmpdc64.exe	93

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2752-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2752-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2752-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2752-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2752-40-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3096-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3096-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3096-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3096-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3096-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3096-49-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/3096-56-0x0000000000400000-0x0000000000464000-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	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdc64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdc64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2752	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
2752	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
2752	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
2752	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe
3096	wmpdc64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 3136 wrote to memory of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 3136 wrote to memory of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 3136 wrote to memory of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 3136 wrote to memory of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 3136 wrote to memory of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 3136 wrote to memory of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 3136 wrote to memory of 2752	3136	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	84
PID 2752 wrote to memory of 1492	2752	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	85
PID 2752 wrote to memory of 1492	2752	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	85
PID 2752 wrote to memory of 1492	2752	e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe	85
PID 1492 wrote to memory of 3096	1492	wmpdc64.exe	93
PID 1492 wrote to memory of 3096	1492	wmpdc64.exe	93
PID 1492 wrote to memory of 3096	1492	wmpdc64.exe	93
PID 1492 wrote to memory of 3096	1492	wmpdc64.exe	93
PID 1492 wrote to memory of 3096	1492	wmpdc64.exe	93
PID 1492 wrote to memory of 3096	1492	wmpdc64.exe	93
PID 1492 wrote to memory of 3096	1492	wmpdc64.exe	93
PID 1492 wrote to memory of 3096	1492	wmpdc64.exe	93
PID 3096 wrote to memory of 3440	3096	wmpdc64.exe	56
PID 3096 wrote to memory of 3440	3096	wmpdc64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3136
- - C:\Users\Admin\AppData\Local\Temp\e53200e9d295bfa749e236c054c51171_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e53200e9d295bfa749e236c054c51171_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:2752
  - - C:\Windows\SysWOW64\wmpdc64.exe
      "C:\Windows\SysWOW64\wmpdc64.exe" C:\Users\Admin\AppData\Local\Temp\E53200~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1492
    - - C:\Windows\SysWOW64\wmpdc64.exe
        
        "C:\Windows\SysWOW64\wmpdc64.exe" C:\Users\Admin\AppData\Local\Temp\E53200~1.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:3096

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\wmpdc64.exe

Filesize
255KB

MD5
e53200e9d295bfa749e236c054c51171

SHA1
2da9ecd0c20c153e5827b5257e2ab02d724a6f22

SHA256
6cd0bd31401f19f42a7cd01746288122afa504519dad3e523f74febd8311da45

SHA512
f47320d74e2cdc89641926a21241c4ddfdba2b39b14ecf2d2654fb4bb573a4f456f33f40089fcd4257e9cedfe286c1f40a770b3d124202294bedaa4e0d09feab

Download Submit
memory/2752-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2752-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2752-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2752-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2752-40-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3096-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3096-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3096-44-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3096-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3096-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3096-49-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3096-56-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads