metasploit | dfbfa4fad8adc88e801d9c3c1239703edea4fa5d5aa4265ef8239c639b6c0610

General

Target

d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
Size

141KB
MD5

d617201bb005654a4ff3577acefd8bd5
SHA1

6520f0954519c6dca8b3f6739306bb504d1df13b
SHA256

dfbfa4fad8adc88e801d9c3c1239703edea4fa5d5aa4265ef8239c639b6c0610
SHA512

6d275f76855b61ccf442fe35584f2d6ba8a005e4f3479dd9772db21e33f96b4ba8a97a811ddfe8f623f88c42d326477b29cf576deafbc8139f96b6a6dfa7b964
SSDEEP

3072:sqGM5TyaLKsiMwcwHtEorsvTG6wrVWCsLAMchafgkXjv:BC7NKi62VWv48

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 4 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\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnt32.exe = "C:\\Windows\\SysWOW64\\igfxnt32.exe:*:Enabled:Intel nDisplay Driver"	igfxnt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxnt32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnt32.exe = "C:\\Windows\\SysWOW64\\igfxnt32.exe:*:Enabled:Intel nDisplay Driver"	igfxnt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxnt32.exe

Deletes itself 1 IoCs

pid	Process
2732	igfxnt32.exe

Executes dropped EXE 2 IoCs

pid	Process
2576	igfxnt32.exe
2732	igfxnt32.exe

Loads dropped DLL 2 IoCs

pid	Process
1764	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
2576	igfxnt32.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\Intel nDisplay Driver = "C:\\Windows\\SysWOW64\\igfxnt32.exe"	igfxnt32.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	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxnt32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	igfxnt32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxnt32.exe	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxnt32.exe	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxnt32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 1764	2664	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	31
PID 2576 set thread context of 2732	2576	igfxnt32.exe	33

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1764-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1764-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1764-7-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1764-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1764-8-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1764-9-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2732-26-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1764-30-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2732-32-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2732-36-0x0000000000400000-0x000000000044C000-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	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxnt32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxnt32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1764	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
1764	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
2732	igfxnt32.exe
2732	igfxnt32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 1764	2664	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	31
PID 2664 wrote to memory of 1764	2664	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	31
PID 2664 wrote to memory of 1764	2664	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	31
PID 2664 wrote to memory of 1764	2664	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	31
PID 2664 wrote to memory of 1764	2664	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	31
PID 2664 wrote to memory of 1764	2664	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	31
PID 2664 wrote to memory of 1764	2664	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	31
PID 1764 wrote to memory of 2576	1764	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	32
PID 1764 wrote to memory of 2576	1764	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	32
PID 1764 wrote to memory of 2576	1764	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	32
PID 1764 wrote to memory of 2576	1764	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	32
PID 2576 wrote to memory of 2732	2576	igfxnt32.exe	33
PID 2576 wrote to memory of 2732	2576	igfxnt32.exe	33
PID 2576 wrote to memory of 2732	2576	igfxnt32.exe	33
PID 2576 wrote to memory of 2732	2576	igfxnt32.exe	33
PID 2576 wrote to memory of 2732	2576	igfxnt32.exe	33
PID 2576 wrote to memory of 2732	2576	igfxnt32.exe	33
PID 2576 wrote to memory of 2732	2576	igfxnt32.exe	33
PID 2732 wrote to memory of 1124	2732	igfxnt32.exe	20
PID 2732 wrote to memory of 1124	2732	igfxnt32.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1124
- C:\Users\Admin\AppData\Local\Temp\d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Users\Admin\AppData\Local\Temp\d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe"
    3⤵
    - Loads dropped DLL
    - 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:1764
  - - C:\Windows\SysWOW64\igfxnt32.exe
      "C:\Windows\SysWOW64\igfxnt32.exe" C:\Users\Admin\AppData\Local\Temp\D61720~1.EXE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2576
    - - C:\Windows\SysWOW64\igfxnt32.exe
        
        "C:\Windows\SysWOW64\igfxnt32.exe" C:\Users\Admin\AppData\Local\Temp\D61720~1.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:2732

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

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Windows\SysWOW64\igfxnt32.exe

Filesize
141KB

MD5
d617201bb005654a4ff3577acefd8bd5

SHA1
6520f0954519c6dca8b3f6739306bb504d1df13b

SHA256
dfbfa4fad8adc88e801d9c3c1239703edea4fa5d5aa4265ef8239c639b6c0610

SHA512
6d275f76855b61ccf442fe35584f2d6ba8a005e4f3479dd9772db21e33f96b4ba8a97a811ddfe8f623f88c42d326477b29cf576deafbc8139f96b6a6dfa7b964

Download Submit
memory/1124-33-0x0000000002DA0000-0x0000000002DBE000-memory.dmp

Filesize
120KB

Download
memory/1124-35-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/1764-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-30-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1764-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2732-26-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2732-32-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2732-36-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads