metasploit | 0cbf8e687d24688de6125777abe75a1304287b97a68af4f388c3345bee510df5

General

Target

f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
Size

276KB
MD5

f1b5362511582421a0fa96bbf837793d
SHA1

7fc82376891910c566a228f6b9cb40ed2e422620
SHA256

0cbf8e687d24688de6125777abe75a1304287b97a68af4f388c3345bee510df5
SHA512

60634862683cec1b855cc7672987c084eefa06c6feadfa290baaf6c186b46077010fbe87907aa78da2efa7d097e3296eb33d55ab8c328a414bd902cba15096a8
SSDEEP

3072:D8cG/y5jmiMqUDihnrLUmctNsFDkabY5okQVHyN23di5BF9bNufyIWUBFYlz:D8c5a1wrhFDka/hyNKi5B9uSUXY1

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	igfxcn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxcn86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcn86.exe = "C:\\Windows\\SysWOW64\\igfxcn86.exe:*:Enabled:Intel Network Service"	igfxcn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxcn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxcn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxcn86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcn86.exe = "C:\\Windows\\SysWOW64\\igfxcn86.exe:*:Enabled:Intel Network Service"	igfxcn86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxcn86.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
868	igfxcn86.exe

Executes dropped EXE 2 IoCs

pid	Process
1276	igfxcn86.exe
868	igfxcn86.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1020-1-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1020-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1020-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1020-7-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1020-40-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/1020-45-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1020-52-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/868-48-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/868-53-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/868-54-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/868-55-0x0000000000400000-0x000000000044B000-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\Intel Network Service = "C:\\Windows\\SysWOW64\\igfxcn86.exe"	igfxcn86.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	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxcn86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxcn86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\igfxcn86.exe	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxcn86.exe	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxcn86.exe
File opened for modification	C:\Windows\SysWOW64\	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4944 set thread context of 1020	4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	84
PID 1276 set thread context of 868	1276	igfxcn86.exe	91

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	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcn86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcn86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1020	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
1020	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
1020	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
1020	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
868	igfxcn86.exe
868	igfxcn86.exe
868	igfxcn86.exe
868	igfxcn86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 1020	4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	84
PID 4944 wrote to memory of 1020	4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	84
PID 4944 wrote to memory of 1020	4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	84
PID 4944 wrote to memory of 1020	4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	84
PID 4944 wrote to memory of 1020	4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	84
PID 4944 wrote to memory of 1020	4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	84
PID 4944 wrote to memory of 1020	4944	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	84
PID 1020 wrote to memory of 1276	1020	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	90
PID 1020 wrote to memory of 1276	1020	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	90
PID 1020 wrote to memory of 1276	1020	f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe	90
PID 1276 wrote to memory of 868	1276	igfxcn86.exe	91
PID 1276 wrote to memory of 868	1276	igfxcn86.exe	91
PID 1276 wrote to memory of 868	1276	igfxcn86.exe	91
PID 1276 wrote to memory of 868	1276	igfxcn86.exe	91
PID 1276 wrote to memory of 868	1276	igfxcn86.exe	91
PID 1276 wrote to memory of 868	1276	igfxcn86.exe	91
PID 1276 wrote to memory of 868	1276	igfxcn86.exe	91
PID 868 wrote to memory of 3552	868	igfxcn86.exe	56
PID 868 wrote to memory of 3552	868	igfxcn86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3552
- C:\Users\Admin\AppData\Local\Temp\f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Users\Admin\AppData\Local\Temp\f1b5362511582421a0fa96bbf837793d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f1b5362511582421a0fa96bbf837793d_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:1020
  - - C:\Windows\SysWOW64\igfxcn86.exe
      "C:\Windows\SysWOW64\igfxcn86.exe" C:\Users\Admin\AppData\Local\Temp\F1B536~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1276
    - - C:\Windows\SysWOW64\igfxcn86.exe
        
        "C:\Windows\SysWOW64\igfxcn86.exe" C:\Users\Admin\AppData\Local\Temp\F1B536~1.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:868

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\igfxcn86.exe

Filesize
276KB

MD5
f1b5362511582421a0fa96bbf837793d

SHA1
7fc82376891910c566a228f6b9cb40ed2e422620

SHA256
0cbf8e687d24688de6125777abe75a1304287b97a68af4f388c3345bee510df5

SHA512
60634862683cec1b855cc7672987c084eefa06c6feadfa290baaf6c186b46077010fbe87907aa78da2efa7d097e3296eb33d55ab8c328a414bd902cba15096a8

Download Submit
memory/868-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/868-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/868-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/868-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1020-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1020-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1020-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1020-40-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1020-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1020-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1020-2-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1020-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1276-47-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4944-0-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4944-4-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads