metasploit | 1c040647c12db4f4de97c8d8f97186b01012a2fcade1596c463244dd03d79329

General

Target

eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
Size

211KB
MD5

eba119645e9bab6d775dfc7254b034da
SHA1

44c851c1d912cf027367fe078176bf64d9f66ba0
SHA256

1c040647c12db4f4de97c8d8f97186b01012a2fcade1596c463244dd03d79329
SHA512

2e81e85eecab4aa97fe5c02a7f2f12e2878ca2ec56a02c1bd50946a8c3026d03ca612630de3dbe619b0ac7bd25e578f81f803470742b0996e37b04b0158c5c4d
SSDEEP

3072:M6td2a7k2gC8K9JiL+oYYsuL5/ztHtcNqXQfj9zgMMlo1DluxHE2plXF:MK2T2NF8+8kqAfJ9MSZlYHEGV

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\AuthorizedApplications	igfxbt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbt86.exe = "C:\\Windows\\SysWOW64\\igfxbt86.exe:*:Enabled:Intel Backup Monitor"	igfxbt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxbt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxbt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxbt86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbt86.exe = "C:\\Windows\\SysWOW64\\igfxbt86.exe:*:Enabled:Intel Backup Monitor"	igfxbt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxbt86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxbt86.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4860	igfxbt86.exe

Executes dropped EXE 2 IoCs

pid	Process
3380	igfxbt86.exe
4860	igfxbt86.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3472-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3472-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3472-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3472-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4860-40-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4860-44-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/3472-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3472-46-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3472-47-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4860-48-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4860-49-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4860-50-0x0000000000400000-0x0000000000444000-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 Backup Monitor = "C:\\Windows\\SysWOW64\\igfxbt86.exe"	igfxbt86.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxbt86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxbt86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxbt86.exe	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxbt86.exe	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxbt86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 224 set thread context of 3472	224	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	82
PID 3380 set thread context of 4860	3380	igfxbt86.exe	88

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	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbt86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbt86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3472	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
3472	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
3472	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
3472	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
4860	igfxbt86.exe
4860	igfxbt86.exe
4860	igfxbt86.exe
4860	igfxbt86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3472	224	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	82
PID 224 wrote to memory of 3472	224	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	82
PID 224 wrote to memory of 3472	224	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	82
PID 224 wrote to memory of 3472	224	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	82
PID 224 wrote to memory of 3472	224	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	82
PID 224 wrote to memory of 3472	224	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	82
PID 224 wrote to memory of 3472	224	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	82
PID 3472 wrote to memory of 3380	3472	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	87
PID 3472 wrote to memory of 3380	3472	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	87
PID 3472 wrote to memory of 3380	3472	eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe	87
PID 3380 wrote to memory of 4860	3380	igfxbt86.exe	88
PID 3380 wrote to memory of 4860	3380	igfxbt86.exe	88
PID 3380 wrote to memory of 4860	3380	igfxbt86.exe	88
PID 3380 wrote to memory of 4860	3380	igfxbt86.exe	88
PID 3380 wrote to memory of 4860	3380	igfxbt86.exe	88
PID 3380 wrote to memory of 4860	3380	igfxbt86.exe	88
PID 3380 wrote to memory of 4860	3380	igfxbt86.exe	88
PID 4860 wrote to memory of 3440	4860	igfxbt86.exe	56
PID 4860 wrote to memory of 3440	4860	igfxbt86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:224
- - C:\Users\Admin\AppData\Local\Temp\eba119645e9bab6d775dfc7254b034da_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eba119645e9bab6d775dfc7254b034da_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:3472
  - - C:\Windows\SysWOW64\igfxbt86.exe
      "C:\Windows\SysWOW64\igfxbt86.exe" C:\Users\Admin\AppData\Local\Temp\EBA119~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3380
    - - C:\Windows\SysWOW64\igfxbt86.exe
        
        "C:\Windows\SysWOW64\igfxbt86.exe" C:\Users\Admin\AppData\Local\Temp\EBA119~1.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:4860

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\igfxbt86.exe

Filesize
211KB

MD5
eba119645e9bab6d775dfc7254b034da

SHA1
44c851c1d912cf027367fe078176bf64d9f66ba0

SHA256
1c040647c12db4f4de97c8d8f97186b01012a2fcade1596c463244dd03d79329

SHA512
2e81e85eecab4aa97fe5c02a7f2f12e2878ca2ec56a02c1bd50946a8c3026d03ca612630de3dbe619b0ac7bd25e578f81f803470742b0996e37b04b0158c5c4d

Download Submit
memory/3472-47-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3472-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3472-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3472-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3472-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3472-46-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3472-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4860-40-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4860-44-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4860-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4860-49-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4860-50-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads