metasploit | 11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074

General

Target

87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
Size

214KB
MD5

87e683e9577a4b36a1744b42bf8be44b
SHA1

cc69d58f56f91a4ce36e4ca841eb83a9d1fb813e
SHA256

11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074
SHA512

62b53941b98d27ec75544dcb8fce76215723db3386bdd43a619a13f23c1f7d5e683661441279474de3fe7bf7f4dd13689cd04f7358282479f43c3b9e12820da9
SSDEEP

3072:FWtDChHWBzQHLiudSxxTdtAyLHmZ+vGGj69kpO+hQVlf/6lf4WkMsQNYcWb+ha17:FADxzQCBwyLHIWG9CWh/IsQNsf1KK

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\AuthorizedApplications\List	igfxct86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxct86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxct86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxct86.exe = "C:\\Windows\\SysWOW64\\igfxct86.exe:*:Enabled:Intel Control Service"	igfxct86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxct86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxct86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxct86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxct86.exe = "C:\\Windows\\SysWOW64\\igfxct86.exe:*:Enabled:Intel Control Service"	igfxct86.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2612	igfxct86.exe

Executes dropped EXE 2 IoCs

pid	Process
4852	igfxct86.exe
2612	igfxct86.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1404-0-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1404-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1404-4-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1404-3-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2612-43-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1404-44-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1404-45-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/memory/2612-46-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2612-47-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2612-48-0x0000000000400000-0x000000000044E000-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 Control Service = "C:\\Windows\\SysWOW64\\igfxct86.exe"	igfxct86.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	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxct86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxct86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\igfxct86.exe	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxct86.exe
File opened for modification	C:\Windows\SysWOW64\	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxct86.exe	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4392 set thread context of 1404	4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	84
PID 4852 set thread context of 2612	4852	igfxct86.exe	94

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	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxct86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxct86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1404	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
1404	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
1404	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
1404	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
2612	igfxct86.exe
2612	igfxct86.exe
2612	igfxct86.exe
2612	igfxct86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 1404	4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 1404	4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 1404	4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 1404	4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 1404	4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 1404	4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	84
PID 4392 wrote to memory of 1404	4392	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	84
PID 1404 wrote to memory of 4852	1404	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	93
PID 1404 wrote to memory of 4852	1404	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	93
PID 1404 wrote to memory of 4852	1404	87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe	93
PID 4852 wrote to memory of 2612	4852	igfxct86.exe	94
PID 4852 wrote to memory of 2612	4852	igfxct86.exe	94
PID 4852 wrote to memory of 2612	4852	igfxct86.exe	94
PID 4852 wrote to memory of 2612	4852	igfxct86.exe	94
PID 4852 wrote to memory of 2612	4852	igfxct86.exe	94
PID 4852 wrote to memory of 2612	4852	igfxct86.exe	94
PID 4852 wrote to memory of 2612	4852	igfxct86.exe	94
PID 2612 wrote to memory of 3520	2612	igfxct86.exe	56
PID 2612 wrote to memory of 3520	2612	igfxct86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3520
- C:\Users\Admin\AppData\Local\Temp\87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Users\Admin\AppData\Local\Temp\87e683e9577a4b36a1744b42bf8be44b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\87e683e9577a4b36a1744b42bf8be44b_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:1404
  - - C:\Windows\SysWOW64\igfxct86.exe
      "C:\Windows\SysWOW64\igfxct86.exe" C:\Users\Admin\AppData\Local\Temp\87E683~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4852
    - - C:\Windows\SysWOW64\igfxct86.exe
        
        "C:\Windows\SysWOW64\igfxct86.exe" C:\Users\Admin\AppData\Local\Temp\87E683~1.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:2612

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\igfxct86.exe

Filesize
214KB

MD5
87e683e9577a4b36a1744b42bf8be44b

SHA1
cc69d58f56f91a4ce36e4ca841eb83a9d1fb813e

SHA256
11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074

SHA512
62b53941b98d27ec75544dcb8fce76215723db3386bdd43a619a13f23c1f7d5e683661441279474de3fe7bf7f4dd13689cd04f7358282479f43c3b9e12820da9

Download Submit
memory/1404-0-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-4-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-44-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1404-45-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2612-43-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2612-46-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2612-47-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2612-48-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads