metasploit | e8553915ff83d177211948ee0fd98b609e7918024a68456b8f7e228bff4b5a93

General

Target

be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
Size

248KB
MD5

be1400b43bc205cfa9da61da7f38aed8
SHA1

f78cec4279e1a24304e3ac7ed9aa10bc7bad9fe4
SHA256

e8553915ff83d177211948ee0fd98b609e7918024a68456b8f7e228bff4b5a93
SHA512

bc98009873cc4038cc7c864b319898cf871cb0974457bfd4bb1394b3714840a8e3d1974c6a89633360c1441243da9b9b4502c36b051b473a1380b98b2aef1653
SSDEEP

3072:AWtDChHWBzQHLiudSxKTitAidToXmBUmqCKizF+/4EuXMMdh94dg+eWClAvORbTu:AADxzQCcfgwUfzAwcOh9R2WzJq

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\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
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

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	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4468	igfxct86.exe

Executes dropped EXE 2 IoCs

pid	Process
4940	igfxct86.exe
4468	igfxct86.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 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	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	be1400b43bc205cfa9da61da7f38aed8_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	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxct86.exe
File opened for modification	C:\Windows\SysWOW64\	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxct86.exe	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 1004	1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	83
PID 4940 set thread context of 4468	4940	igfxct86.exe	92

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1004-0-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1004-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1004-3-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1004-4-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4468-43-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1004-42-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1004-45-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1004-46-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/4468-47-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4468-48-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4468-49-0x0000000000400000-0x000000000044B000-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	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxct86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxct86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1004	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
1004	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
1004	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
1004	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
4468	igfxct86.exe
4468	igfxct86.exe
4468	igfxct86.exe
4468	igfxct86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1004	1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	83
PID 1344 wrote to memory of 1004	1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	83
PID 1344 wrote to memory of 1004	1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	83
PID 1344 wrote to memory of 1004	1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	83
PID 1344 wrote to memory of 1004	1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	83
PID 1344 wrote to memory of 1004	1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	83
PID 1344 wrote to memory of 1004	1344	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	83
PID 1004 wrote to memory of 4940	1004	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	91
PID 1004 wrote to memory of 4940	1004	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	91
PID 1004 wrote to memory of 4940	1004	be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe	91
PID 4940 wrote to memory of 4468	4940	igfxct86.exe	92
PID 4940 wrote to memory of 4468	4940	igfxct86.exe	92
PID 4940 wrote to memory of 4468	4940	igfxct86.exe	92
PID 4940 wrote to memory of 4468	4940	igfxct86.exe	92
PID 4940 wrote to memory of 4468	4940	igfxct86.exe	92
PID 4940 wrote to memory of 4468	4940	igfxct86.exe	92
PID 4940 wrote to memory of 4468	4940	igfxct86.exe	92
PID 4468 wrote to memory of 3540	4468	igfxct86.exe	56
PID 4468 wrote to memory of 3540	4468	igfxct86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3540
- C:\Users\Admin\AppData\Local\Temp\be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Users\Admin\AppData\Local\Temp\be1400b43bc205cfa9da61da7f38aed8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be1400b43bc205cfa9da61da7f38aed8_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:1004
  - - C:\Windows\SysWOW64\igfxct86.exe
      "C:\Windows\SysWOW64\igfxct86.exe" C:\Users\Admin\AppData\Local\Temp\BE1400~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4940
    - - C:\Windows\SysWOW64\igfxct86.exe
        
        "C:\Windows\SysWOW64\igfxct86.exe" C:\Users\Admin\AppData\Local\Temp\BE1400~1.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:4468

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
248KB

MD5
be1400b43bc205cfa9da61da7f38aed8

SHA1
f78cec4279e1a24304e3ac7ed9aa10bc7bad9fe4

SHA256
e8553915ff83d177211948ee0fd98b609e7918024a68456b8f7e228bff4b5a93

SHA512
bc98009873cc4038cc7c864b319898cf871cb0974457bfd4bb1394b3714840a8e3d1974c6a89633360c1441243da9b9b4502c36b051b473a1380b98b2aef1653

Download Submit
memory/1004-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1004-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1004-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1004-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1004-42-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1004-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1004-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4468-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4468-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4468-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4468-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads