metasploit | f4e94c82a35c2c2ae4420c0410d1af3107017c8c2ffe1fdbffdf8977dbdf7096

General

Target

8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
Size

258KB
MD5

8ea8c479e2748f23340c9ce38ff63cdc
SHA1

78742d7252f34a587ead676ce8e31349ac34ea13
SHA256

f4e94c82a35c2c2ae4420c0410d1af3107017c8c2ffe1fdbffdf8977dbdf7096
SHA512

90970e86a9bd8193579672a2c50ed5fcd140a77cd167e73dc37367455c9aba1ecf7c416f8b911f48f111a07d682a19fbe553554b6859003009302b77555cc00d
SSDEEP

3072:Pin9WJktz3w5hi/vcjm9VvtXvKxmwtHIMX3RMX+7UbK9OZ3zuUgh:PibN/F9lNCxNtHIMK+sxZD

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	wmpdi32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdi32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdi32.exe = "C:\\Windows\\SysWOW64\\wmpdi32.exe:*:Enabled:Windows iMedia Center"	wmpdi32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdi32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdi32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdi32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdi32.exe = "C:\\Windows\\SysWOW64\\wmpdi32.exe:*:Enabled:Windows iMedia Center"	wmpdi32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdi32.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	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4816	wmpdi32.exe

Executes dropped EXE 2 IoCs

pid	Process
3476	wmpdi32.exe
4816	wmpdi32.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 iMedia Center = "C:\\Windows\\SysWOW64\\wmpdi32.exe"	wmpdi32.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	wmpdi32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdi32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdi32.exe	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdi32.exe	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdi32.exe
File opened for modification	C:\Windows\SysWOW64\wmpdi32.exe	wmpdi32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 844 set thread context of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 3476 set thread context of 4816	3476	wmpdi32.exe	101

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1352-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1352-2-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1352-3-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1352-4-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1352-38-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4816-43-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4816-45-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4816-44-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4816-46-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4816-47-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4816-51-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4816-58-0x0000000000400000-0x0000000000467000-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	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdi32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdi32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1352	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
1352	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
1352	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
1352	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe
4816	wmpdi32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 844 wrote to memory of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 844 wrote to memory of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 844 wrote to memory of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 844 wrote to memory of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 844 wrote to memory of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 844 wrote to memory of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 844 wrote to memory of 1352	844	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	96
PID 1352 wrote to memory of 3476	1352	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	97
PID 1352 wrote to memory of 3476	1352	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	97
PID 1352 wrote to memory of 3476	1352	8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe	97
PID 3476 wrote to memory of 4816	3476	wmpdi32.exe	101
PID 3476 wrote to memory of 4816	3476	wmpdi32.exe	101
PID 3476 wrote to memory of 4816	3476	wmpdi32.exe	101
PID 3476 wrote to memory of 4816	3476	wmpdi32.exe	101
PID 3476 wrote to memory of 4816	3476	wmpdi32.exe	101
PID 3476 wrote to memory of 4816	3476	wmpdi32.exe	101
PID 3476 wrote to memory of 4816	3476	wmpdi32.exe	101
PID 3476 wrote to memory of 4816	3476	wmpdi32.exe	101
PID 4816 wrote to memory of 3448	4816	wmpdi32.exe	56
PID 4816 wrote to memory of 3448	4816	wmpdi32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448
- C:\Users\Admin\AppData\Local\Temp\8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:844
- - C:\Users\Admin\AppData\Local\Temp\8ea8c479e2748f23340c9ce38ff63cdc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8ea8c479e2748f23340c9ce38ff63cdc_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:1352
  - - C:\Windows\SysWOW64\wmpdi32.exe
      "C:\Windows\SysWOW64\wmpdi32.exe" C:\Users\Admin\AppData\Local\Temp\8EA8C4~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3476
    - - C:\Windows\SysWOW64\wmpdi32.exe
        
        "C:\Windows\SysWOW64\wmpdi32.exe" C:\Users\Admin\AppData\Local\Temp\8EA8C4~1.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:4816

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\wmpdi32.exe

Filesize
258KB

MD5
8ea8c479e2748f23340c9ce38ff63cdc

SHA1
78742d7252f34a587ead676ce8e31349ac34ea13

SHA256
f4e94c82a35c2c2ae4420c0410d1af3107017c8c2ffe1fdbffdf8977dbdf7096

SHA512
90970e86a9bd8193579672a2c50ed5fcd140a77cd167e73dc37367455c9aba1ecf7c416f8b911f48f111a07d682a19fbe553554b6859003009302b77555cc00d

Download Submit
memory/1352-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1352-2-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1352-3-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1352-4-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1352-38-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4816-43-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4816-45-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4816-44-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4816-46-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4816-47-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4816-51-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4816-58-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads