metasploit | 328483e6ddf3a852454ab43f53fc5a7a671f2d08c4c7db05f4ad67e750ea81d4

General

Target

f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
Size

141KB
MD5

f85048b179b1c0c882172192c4c571b7
SHA1

1757effd5fad23ff2c0dd73dd2b260f94f65f59e
SHA256

328483e6ddf3a852454ab43f53fc5a7a671f2d08c4c7db05f4ad67e750ea81d4
SHA512

1b228f6db6805d8ce17823584b20e4253c1076681e0cca9abd50024536177d5df958a02d1097f5d7a22693efeaf5a194fa5ff79b5c02c86a6fd748b28121990d
SSDEEP

3072:e7Sjl5yIqM9LPhtutwI8zDTTntdlVDOZ4MuhLfUtvGk0hPK:e7JlMtutwlTnRVjXWmS

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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxmt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxmt32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxmt32.exe = "C:\\Windows\\SysWOW64\\igfxmt32.exe:*:Enabled:Intel Service Manager"	igfxmt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxmt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxmt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxmt32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxmt32.exe = "C:\\Windows\\SysWOW64\\igfxmt32.exe:*:Enabled:Intel Service Manager"	igfxmt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxmt32.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4380	igfxmt32.exe

Executes dropped EXE 2 IoCs

pid	Process
432	igfxmt32.exe
4380	igfxmt32.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 Manager = "C:\\Windows\\SysWOW64\\igfxmt32.exe"	igfxmt32.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	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxmt32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxmt32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxmt32.exe	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxmt32.exe	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxmt32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 208	2584	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	83
PID 432 set thread context of 4380	432	igfxmt32.exe	93

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/208-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/208-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/208-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/208-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/208-31-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4380-44-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/208-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4380-47-0x0000000000400000-0x000000000044C000-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	igfxmt32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxmt32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
208	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
208	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
208	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
208	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
4380	igfxmt32.exe
4380	igfxmt32.exe
4380	igfxmt32.exe
4380	igfxmt32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
432	igfxmt32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 208	2584	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	83
PID 2584 wrote to memory of 208	2584	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	83
PID 2584 wrote to memory of 208	2584	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	83
PID 2584 wrote to memory of 208	2584	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	83
PID 2584 wrote to memory of 208	2584	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	83
PID 2584 wrote to memory of 208	2584	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	83
PID 2584 wrote to memory of 208	2584	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	83
PID 208 wrote to memory of 432	208	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	92
PID 208 wrote to memory of 432	208	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	92
PID 208 wrote to memory of 432	208	f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe	92
PID 432 wrote to memory of 4380	432	igfxmt32.exe	93
PID 432 wrote to memory of 4380	432	igfxmt32.exe	93
PID 432 wrote to memory of 4380	432	igfxmt32.exe	93
PID 432 wrote to memory of 4380	432	igfxmt32.exe	93
PID 432 wrote to memory of 4380	432	igfxmt32.exe	93
PID 432 wrote to memory of 4380	432	igfxmt32.exe	93
PID 432 wrote to memory of 4380	432	igfxmt32.exe	93
PID 4380 wrote to memory of 3548	4380	igfxmt32.exe	55
PID 4380 wrote to memory of 3548	4380	igfxmt32.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3548
- C:\Users\Admin\AppData\Local\Temp\f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Users\Admin\AppData\Local\Temp\f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f85048b179b1c0c882172192c4c571b7_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:208
  - - C:\Windows\SysWOW64\igfxmt32.exe
      "C:\Windows\SysWOW64\igfxmt32.exe" C:\Users\Admin\AppData\Local\Temp\F85048~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:432
    - - C:\Windows\SysWOW64\igfxmt32.exe
        
        "C:\Windows\SysWOW64\igfxmt32.exe" C:\Users\Admin\AppData\Local\Temp\F85048~1.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:4380

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\igfxmt32.exe

Filesize
141KB

MD5
f85048b179b1c0c882172192c4c571b7

SHA1
1757effd5fad23ff2c0dd73dd2b260f94f65f59e

SHA256
328483e6ddf3a852454ab43f53fc5a7a671f2d08c4c7db05f4ad67e750ea81d4

SHA512
1b228f6db6805d8ce17823584b20e4253c1076681e0cca9abd50024536177d5df958a02d1097f5d7a22693efeaf5a194fa5ff79b5c02c86a6fd748b28121990d

Download Submit
memory/208-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/208-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/208-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/208-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/208-31-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/208-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4380-44-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4380-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads