metasploit | deff9b120e9384f4ead8cd1ac40a52aa4922e4b6dd66be7a539d23ca1e582f81

General

Target

8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
Size

261KB
MD5

8da272dd26f195ad93a890bc0b06de18
SHA1

1dd58b3a4c21f7dc4b0439574e07a4d0f82f7604
SHA256

deff9b120e9384f4ead8cd1ac40a52aa4922e4b6dd66be7a539d23ca1e582f81
SHA512

89901e62392ba91437cacd3db2c423c45b41ee26b432cc84a45940bd597f22674eb9b277d848b61786826121cac55ae76dbd8627d2755389ca7be2b03579eba1
SSDEEP

6144:9JcikIaeUFgqmAzYhoRcXAmEg7mVTS7MxzoEMF2j9kKYm:9OnfeUFgqmdhoRcTTmVT/VoEvJR

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxsb86.exe = "C:\\Windows\\SysWOW64\\igfxsb86.exe:*:Enabled:Intel Service Driver"	igfxsb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxsb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxsb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxsb86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxsb86.exe = "C:\\Windows\\SysWOW64\\igfxsb86.exe:*:Enabled:Intel Service Driver"	igfxsb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxsb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxsb86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxsb86.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4960	igfxsb86.exe

Executes dropped EXE 2 IoCs

pid	Process
4824	igfxsb86.exe
4960	igfxsb86.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 Service Driver = "C:\\Windows\\SysWOW64\\igfxsb86.exe"	igfxsb86.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	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxsb86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxsb86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxsb86.exe
File opened for modification	C:\Windows\SysWOW64\	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxsb86.exe	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxsb86.exe	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1852 set thread context of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 4824 set thread context of 4960	4824	igfxsb86.exe	93

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4144-0-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4144-2-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4144-3-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4144-4-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4144-44-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4960-46-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4960-47-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4960-48-0x0000000000400000-0x0000000000452000-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	igfxsb86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxsb86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4144	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
4144	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
4144	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
4144	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
4960	igfxsb86.exe
4960	igfxsb86.exe
4960	igfxsb86.exe
4960	igfxsb86.exe
4960	igfxsb86.exe
4960	igfxsb86.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 1852 wrote to memory of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 1852 wrote to memory of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 1852 wrote to memory of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 1852 wrote to memory of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 1852 wrote to memory of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 1852 wrote to memory of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 1852 wrote to memory of 4144	1852	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	84
PID 4144 wrote to memory of 4824	4144	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	92
PID 4144 wrote to memory of 4824	4144	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	92
PID 4144 wrote to memory of 4824	4144	8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe	92
PID 4824 wrote to memory of 4960	4824	igfxsb86.exe	93
PID 4824 wrote to memory of 4960	4824	igfxsb86.exe	93
PID 4824 wrote to memory of 4960	4824	igfxsb86.exe	93
PID 4824 wrote to memory of 4960	4824	igfxsb86.exe	93
PID 4824 wrote to memory of 4960	4824	igfxsb86.exe	93
PID 4824 wrote to memory of 4960	4824	igfxsb86.exe	93
PID 4824 wrote to memory of 4960	4824	igfxsb86.exe	93
PID 4824 wrote to memory of 4960	4824	igfxsb86.exe	93
PID 4960 wrote to memory of 3424	4960	igfxsb86.exe	56
PID 4960 wrote to memory of 3424	4960	igfxsb86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3424
- C:\Users\Admin\AppData\Local\Temp\8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Users\Admin\AppData\Local\Temp\8da272dd26f195ad93a890bc0b06de18_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8da272dd26f195ad93a890bc0b06de18_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:4144
  - - C:\Windows\SysWOW64\igfxsb86.exe
      "C:\Windows\SysWOW64\igfxsb86.exe" C:\Users\Admin\AppData\Local\Temp\8DA272~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4824
    - - C:\Windows\SysWOW64\igfxsb86.exe
        
        "C:\Windows\SysWOW64\igfxsb86.exe" C:\Users\Admin\AppData\Local\Temp\8DA272~1.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:4960

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\igfxsb86.exe

Filesize
261KB

MD5
8da272dd26f195ad93a890bc0b06de18

SHA1
1dd58b3a4c21f7dc4b0439574e07a4d0f82f7604

SHA256
deff9b120e9384f4ead8cd1ac40a52aa4922e4b6dd66be7a539d23ca1e582f81

SHA512
89901e62392ba91437cacd3db2c423c45b41ee26b432cc84a45940bd597f22674eb9b277d848b61786826121cac55ae76dbd8627d2755389ca7be2b03579eba1

Download Submit
memory/4144-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4144-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4144-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4144-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4144-44-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4960-46-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4960-47-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4960-48-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads