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 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	igfxnt32.exe
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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxnt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxnt32.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1984	igfxnt32.exe

Executes dropped EXE 2 IoCs

pid	Process
3200	igfxnt32.exe
1984	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 3164 set thread context of 4608	3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	83
PID 3200 set thread context of 1984	3200	igfxnt32.exe	86

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4608-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4608-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4608-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4608-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4608-40-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1984-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4608-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4608-46-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/1984-48-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1984-49-0x0000000000400000-0x000000000044C000-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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4608	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
4608	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
4608	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
4608	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
1984	igfxnt32.exe
1984	igfxnt32.exe
1984	igfxnt32.exe
1984	igfxnt32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 4608	3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	83
PID 3164 wrote to memory of 4608	3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	83
PID 3164 wrote to memory of 4608	3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	83
PID 3164 wrote to memory of 4608	3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	83
PID 3164 wrote to memory of 4608	3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	83
PID 3164 wrote to memory of 4608	3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	83
PID 3164 wrote to memory of 4608	3164	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	83
PID 4608 wrote to memory of 3200	4608	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	85
PID 4608 wrote to memory of 3200	4608	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	85
PID 4608 wrote to memory of 3200	4608	d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe	85
PID 3200 wrote to memory of 1984	3200	igfxnt32.exe	86
PID 3200 wrote to memory of 1984	3200	igfxnt32.exe	86
PID 3200 wrote to memory of 1984	3200	igfxnt32.exe	86
PID 3200 wrote to memory of 1984	3200	igfxnt32.exe	86
PID 3200 wrote to memory of 1984	3200	igfxnt32.exe	86
PID 3200 wrote to memory of 1984	3200	igfxnt32.exe	86
PID 3200 wrote to memory of 1984	3200	igfxnt32.exe	86
PID 1984 wrote to memory of 3460	1984	igfxnt32.exe	55
PID 1984 wrote to memory of 3460	1984	igfxnt32.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3460
- 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 UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3164
- - C:\Users\Admin\AppData\Local\Temp\d617201bb005654a4ff3577acefd8bd5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d617201bb005654a4ff3577acefd8bd5_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:4608
  - - C:\Windows\SysWOW64\igfxnt32.exe
      "C:\Windows\SysWOW64\igfxnt32.exe" C:\Users\Admin\AppData\Local\Temp\D61720~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3200
    - - 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:1984

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\igfxnt32.exe

Filesize
141KB

MD5
d617201bb005654a4ff3577acefd8bd5

SHA1
6520f0954519c6dca8b3f6739306bb504d1df13b

SHA256
dfbfa4fad8adc88e801d9c3c1239703edea4fa5d5aa4265ef8239c639b6c0610

SHA512
6d275f76855b61ccf442fe35584f2d6ba8a005e4f3479dd9772db21e33f96b4ba8a97a811ddfe8f623f88c42d326477b29cf576deafbc8139f96b6a6dfa7b964

Download Submit
memory/1984-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1984-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1984-49-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4608-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4608-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4608-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4608-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4608-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4608-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4608-46-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads