metasploit | 739ed36031b3c40e9aecd31fe81d20e95875720a74b4ed6a0f4b168a29438357

General

Target

d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
Size

238KB
MD5

d3533377832375322ddbbb74cc5345ba
SHA1

cdcda6610099c7293313aea7c81ed2076cc1488d
SHA256

739ed36031b3c40e9aecd31fe81d20e95875720a74b4ed6a0f4b168a29438357
SHA512

e765279be0b81a673147b6528bf1a4162e7a83cb3771611151428aa6a26658b7881a38a532047c498704f48b09558bb8f64fb3b0aed54e40de4ff69a8ef30faa
SSDEEP

6144:zC3MpH6kDw0RNHxHSK8GfvI9Ns6heKn89dSIc:e3MpaGw0XHJ8GYcWeKnUc

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\AuthorizedApplications	igfxbh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbh86.exe = "C:\\Windows\\SysWOW64\\igfxbh86.exe:*:Enabled:Intel Backup Drive"	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxbh86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbh86.exe = "C:\\Windows\\SysWOW64\\igfxbh86.exe:*:Enabled:Intel Backup Drive"	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxbh86.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
736	igfxbh86.exe

Executes dropped EXE 2 IoCs

pid	Process
3892	igfxbh86.exe
736	igfxbh86.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 Backup Drive = "C:\\Windows\\SysWOW64\\igfxbh86.exe"	igfxbh86.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	igfxbh86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxbh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxbh86.exe	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxbh86.exe	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxbh86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4052 set thread context of 2184	4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	83
PID 3892 set thread context of 736	3892	igfxbh86.exe	86

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2184-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2184-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2184-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2184-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/736-44-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2184-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2184-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2184-46-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/736-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/736-48-0x0000000000400000-0x000000000044C000-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	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbh86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2184	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
2184	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
2184	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
2184	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
736	igfxbh86.exe
736	igfxbh86.exe
736	igfxbh86.exe
736	igfxbh86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 2184	4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	83
PID 4052 wrote to memory of 2184	4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	83
PID 4052 wrote to memory of 2184	4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	83
PID 4052 wrote to memory of 2184	4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	83
PID 4052 wrote to memory of 2184	4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	83
PID 4052 wrote to memory of 2184	4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	83
PID 4052 wrote to memory of 2184	4052	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	83
PID 2184 wrote to memory of 3892	2184	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	85
PID 2184 wrote to memory of 3892	2184	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	85
PID 2184 wrote to memory of 3892	2184	d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe	85
PID 3892 wrote to memory of 736	3892	igfxbh86.exe	86
PID 3892 wrote to memory of 736	3892	igfxbh86.exe	86
PID 3892 wrote to memory of 736	3892	igfxbh86.exe	86
PID 3892 wrote to memory of 736	3892	igfxbh86.exe	86
PID 3892 wrote to memory of 736	3892	igfxbh86.exe	86
PID 3892 wrote to memory of 736	3892	igfxbh86.exe	86
PID 3892 wrote to memory of 736	3892	igfxbh86.exe	86
PID 736 wrote to memory of 3408	736	igfxbh86.exe	56
PID 736 wrote to memory of 3408	736	igfxbh86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3408
- C:\Users\Admin\AppData\Local\Temp\d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4052
- - C:\Users\Admin\AppData\Local\Temp\d3533377832375322ddbbb74cc5345ba_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d3533377832375322ddbbb74cc5345ba_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:2184
  - - C:\Windows\SysWOW64\igfxbh86.exe
      "C:\Windows\SysWOW64\igfxbh86.exe" C:\Users\Admin\AppData\Local\Temp\D35333~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3892
    - - C:\Windows\SysWOW64\igfxbh86.exe
        
        "C:\Windows\SysWOW64\igfxbh86.exe" C:\Users\Admin\AppData\Local\Temp\D35333~1.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:736

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\igfxbh86.exe

Filesize
238KB

MD5
d3533377832375322ddbbb74cc5345ba

SHA1
cdcda6610099c7293313aea7c81ed2076cc1488d

SHA256
739ed36031b3c40e9aecd31fe81d20e95875720a74b4ed6a0f4b168a29438357

SHA512
e765279be0b81a673147b6528bf1a4162e7a83cb3771611151428aa6a26658b7881a38a532047c498704f48b09558bb8f64fb3b0aed54e40de4ff69a8ef30faa

Download Submit
memory/736-44-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/736-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/736-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2184-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2184-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2184-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2184-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2184-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2184-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2184-46-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads