metasploit | e3812e3a415389dc3db0df9dad7a049bd9b6bd4d95381d1c070aeda351beddba

General

Target

14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
Size

185KB
MD5

14927d008ff009c30bada8e317fd1ea2
SHA1

e4e21c8b9f51946af1c0a445bc08553e23510e6f
SHA256

e3812e3a415389dc3db0df9dad7a049bd9b6bd4d95381d1c070aeda351beddba
SHA512

a268bd14034544c3b0a5b8475a2dcb8d900603c93639c747e19894a1504002e58d87ba7f22c5afb78a2a726530f859bd8283e23c200dd0f9ae7ed6044334be80
SSDEEP

3072:e0CQaH5qyUy4ctZs3sIfHUEbDhW3jyu7H5XrkqEsC19A:UW1y5jAsqHJbDQmu7H5Y8

Score

10^/10

metasploit backdoor 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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcm86.exe = "C:\\Windows\\SysWOW64\\igfxcm86.exe:*:Enabled:Intel Service Control"	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxcm86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcm86.exe = "C:\\Windows\\SysWOW64\\igfxcm86.exe:*:Enabled:Intel Service Control"	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxcm86.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4512	igfxcm86.exe

Executes dropped EXE 2 IoCs

pid	Process
2708	igfxcm86.exe
4512	igfxcm86.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4352-0-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4352-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4352-3-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4352-4-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4512-42-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4512-43-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4352-45-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4512-47-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4512-48-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4512-49-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4512-51-0x0000000000400000-0x000000000044E000-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 Service Control = "C:\\Windows\\SysWOW64\\igfxcm86.exe"	igfxcm86.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	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxcm86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxcm86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxcm86.exe
File opened for modification	C:\Windows\SysWOW64\	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxcm86.exe	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxcm86.exe	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1256 set thread context of 4352	1256	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	81
PID 2708 set thread context of 4512	2708	igfxcm86.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4352	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
4352	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
4352	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
4352	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
4512	igfxcm86.exe
4512	igfxcm86.exe
4512	igfxcm86.exe
4512	igfxcm86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 4352	1256	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	81
PID 1256 wrote to memory of 4352	1256	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	81
PID 1256 wrote to memory of 4352	1256	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	81
PID 1256 wrote to memory of 4352	1256	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	81
PID 1256 wrote to memory of 4352	1256	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	81
PID 1256 wrote to memory of 4352	1256	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	81
PID 1256 wrote to memory of 4352	1256	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	81
PID 4352 wrote to memory of 2708	4352	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	82
PID 4352 wrote to memory of 2708	4352	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	82
PID 4352 wrote to memory of 2708	4352	14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe	82
PID 2708 wrote to memory of 4512	2708	igfxcm86.exe	83
PID 2708 wrote to memory of 4512	2708	igfxcm86.exe	83
PID 2708 wrote to memory of 4512	2708	igfxcm86.exe	83
PID 2708 wrote to memory of 4512	2708	igfxcm86.exe	83
PID 2708 wrote to memory of 4512	2708	igfxcm86.exe	83
PID 2708 wrote to memory of 4512	2708	igfxcm86.exe	83
PID 2708 wrote to memory of 4512	2708	igfxcm86.exe	83
PID 4512 wrote to memory of 3580	4512	igfxcm86.exe	56
PID 4512 wrote to memory of 3580	4512	igfxcm86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3580
- C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4352
  - - C:\Windows\SysWOW64\igfxcm86.exe
      "C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\14927D~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2708
    - - C:\Windows\SysWOW64\igfxcm86.exe
        
        "C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\14927D~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
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4512

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\igfxcm86.exe

Filesize
185KB

MD5
14927d008ff009c30bada8e317fd1ea2

SHA1
e4e21c8b9f51946af1c0a445bc08553e23510e6f

SHA256
e3812e3a415389dc3db0df9dad7a049bd9b6bd4d95381d1c070aeda351beddba

SHA512
a268bd14034544c3b0a5b8475a2dcb8d900603c93639c747e19894a1504002e58d87ba7f22c5afb78a2a726530f859bd8283e23c200dd0f9ae7ed6044334be80

Download Submit
memory/4352-0-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4352-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4352-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4352-4-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4352-45-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4512-42-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4512-43-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4512-47-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4512-48-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4512-49-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4512-51-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads