metasploit | b2d72f2d06e24529991aea70cc561f98a97be630238f8996b879a78a88ba6c9a

General

Target

a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
Size

159KB
MD5

a48c444ada434980ad9260ab465313c0
SHA1

a251419118c5b50dd34edb888492417d35f922a9
SHA256

b2d72f2d06e24529991aea70cc561f98a97be630238f8996b879a78a88ba6c9a
SHA512

f4b0ae9d68fbd2c4afbeaab454e2db8214433354d8a0a705b4ba5d85565dc6550bf8bd4c2dc2e8146c27a97105c05230a2ab5689e1b994216acabe1157201da1
SSDEEP

3072:U6jPhcT8BHa+P5oW79RkYfNMAWgt7dYExYon+rUfXpidvopczVrL2fM:JOT8XkCNMDgt7uy5PpidQpcztLMM

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\StandardProfile	igfxcp86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxcp86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcp86.exe = "C:\\Windows\\SysWOW64\\igfxcp86.exe:*:Enabled:Intel System Monitor"	igfxcp86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxcp86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxcp86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxcp86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcp86.exe = "C:\\Windows\\SysWOW64\\igfxcp86.exe:*:Enabled:Intel System Monitor"	igfxcp86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxcp86.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4240	igfxcp86.exe

Executes dropped EXE 2 IoCs

pid	Process
692	igfxcp86.exe
4240	igfxcp86.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1472-0-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1472-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1472-3-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1472-4-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1472-41-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4240-44-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1472-45-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4240-47-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4240-48-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4240-49-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4240-50-0x0000000000400000-0x000000000044E000-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 System Monitor = "C:\\Windows\\SysWOW64\\igfxcp86.exe"	igfxcp86.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	igfxcp86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxcp86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\igfxcp86.exe	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxcp86.exe	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxcp86.exe
File opened for modification	C:\Windows\SysWOW64\	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 1472	1748	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	84
PID 692 set thread context of 4240	692	igfxcp86.exe	93

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	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcp86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcp86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1472	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
1472	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
1472	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
1472	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
4240	igfxcp86.exe
4240	igfxcp86.exe
4240	igfxcp86.exe
4240	igfxcp86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1472	1748	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	84
PID 1748 wrote to memory of 1472	1748	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	84
PID 1748 wrote to memory of 1472	1748	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	84
PID 1748 wrote to memory of 1472	1748	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	84
PID 1748 wrote to memory of 1472	1748	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	84
PID 1748 wrote to memory of 1472	1748	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	84
PID 1748 wrote to memory of 1472	1748	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	84
PID 1472 wrote to memory of 692	1472	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	92
PID 1472 wrote to memory of 692	1472	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	92
PID 1472 wrote to memory of 692	1472	a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe	92
PID 692 wrote to memory of 4240	692	igfxcp86.exe	93
PID 692 wrote to memory of 4240	692	igfxcp86.exe	93
PID 692 wrote to memory of 4240	692	igfxcp86.exe	93
PID 692 wrote to memory of 4240	692	igfxcp86.exe	93
PID 692 wrote to memory of 4240	692	igfxcp86.exe	93
PID 692 wrote to memory of 4240	692	igfxcp86.exe	93
PID 692 wrote to memory of 4240	692	igfxcp86.exe	93
PID 4240 wrote to memory of 3464	4240	igfxcp86.exe	55
PID 4240 wrote to memory of 3464	4240	igfxcp86.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464
- C:\Users\Admin\AppData\Local\Temp\a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Users\Admin\AppData\Local\Temp\a48c444ada434980ad9260ab465313c0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a48c444ada434980ad9260ab465313c0_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:1472
  - - C:\Windows\SysWOW64\igfxcp86.exe
      "C:\Windows\SysWOW64\igfxcp86.exe" C:\Users\Admin\AppData\Local\Temp\A48C44~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:692
    - - C:\Windows\SysWOW64\igfxcp86.exe
        
        "C:\Windows\SysWOW64\igfxcp86.exe" C:\Users\Admin\AppData\Local\Temp\A48C44~1.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:4240

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\igfxcp86.exe

Filesize
159KB

MD5
a48c444ada434980ad9260ab465313c0

SHA1
a251419118c5b50dd34edb888492417d35f922a9

SHA256
b2d72f2d06e24529991aea70cc561f98a97be630238f8996b879a78a88ba6c9a

SHA512
f4b0ae9d68fbd2c4afbeaab454e2db8214433354d8a0a705b4ba5d85565dc6550bf8bd4c2dc2e8146c27a97105c05230a2ab5689e1b994216acabe1157201da1

Download Submit
memory/1472-0-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1472-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1472-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1472-4-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1472-41-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1472-45-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4240-44-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4240-47-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4240-48-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4240-49-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4240-50-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads