metasploit | ea4a78226182e05ef4c1be2a9125f3fe37ccbf16c32359d73f4fff0c7e9e1e6f

General

Target

a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
Size

254KB
MD5

a722e241530d41a570c50f98175ea7ad
SHA1

0c477e473a3e82bf6ca3a3d42074f239e3e395cd
SHA256

ea4a78226182e05ef4c1be2a9125f3fe37ccbf16c32359d73f4fff0c7e9e1e6f
SHA512

faef8e02e819df30851cb1789de2975d7505fea957d34ef6fe46699e48c0fddaeff8263bac3b62f6031394aff5ad4ec0eb81d8df6a5872cfd42d17496a327379
SSDEEP

3072:8ten3nHLUPHt2uYVxa2E65gQS4SCgagXas/WF3R/ul1r/EJUoQwXZ+5et+A:8438cQ2aSuSNuDr//BSZge

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	igfxcb32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcb32.exe = "C:\\Windows\\SysWOW64\\igfxcb32.exe:*:Enabled:Intel Data Backup"	igfxcb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxcb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxcb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxcb32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcb32.exe = "C:\\Windows\\SysWOW64\\igfxcb32.exe:*:Enabled:Intel Data Backup"	igfxcb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxcb32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxcb32.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1056	igfxcb32.exe

Executes dropped EXE 2 IoCs

pid	Process
1496	igfxcb32.exe
1056	igfxcb32.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 Data Backup = "C:\\Windows\\SysWOW64\\igfxcb32.exe"	igfxcb32.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	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxcb32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxcb32.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxcb32.exe	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxcb32.exe	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxcb32.exe
File opened for modification	C:\Windows\SysWOW64\igfxcb32.exe	igfxcb32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4808 set thread context of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 1496 set thread context of 1056	1496	igfxcb32.exe	98

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2004-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/2004-2-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/2004-4-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/2004-3-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/2004-5-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/2004-40-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1056-47-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1056-48-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1056-50-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1056-51-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1056-61-0x0000000000400000-0x0000000000467000-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	igfxcb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcb32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
2004	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
2004	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
2004	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
2004	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe
1056	igfxcb32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 4808 wrote to memory of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 4808 wrote to memory of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 4808 wrote to memory of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 4808 wrote to memory of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 4808 wrote to memory of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 4808 wrote to memory of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 4808 wrote to memory of 2004	4808	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	83
PID 2004 wrote to memory of 1496	2004	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	97
PID 2004 wrote to memory of 1496	2004	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	97
PID 2004 wrote to memory of 1496	2004	a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe	97
PID 1496 wrote to memory of 1056	1496	igfxcb32.exe	98
PID 1496 wrote to memory of 1056	1496	igfxcb32.exe	98
PID 1496 wrote to memory of 1056	1496	igfxcb32.exe	98
PID 1496 wrote to memory of 1056	1496	igfxcb32.exe	98
PID 1496 wrote to memory of 1056	1496	igfxcb32.exe	98
PID 1496 wrote to memory of 1056	1496	igfxcb32.exe	98
PID 1496 wrote to memory of 1056	1496	igfxcb32.exe	98
PID 1496 wrote to memory of 1056	1496	igfxcb32.exe	98
PID 1056 wrote to memory of 3472	1056	igfxcb32.exe	56
PID 1056 wrote to memory of 3472	1056	igfxcb32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3472
- C:\Users\Admin\AppData\Local\Temp\a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4808
- - C:\Users\Admin\AppData\Local\Temp\a722e241530d41a570c50f98175ea7ad_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a722e241530d41a570c50f98175ea7ad_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:2004
  - - C:\Windows\SysWOW64\igfxcb32.exe
      "C:\Windows\SysWOW64\igfxcb32.exe" C:\Users\Admin\AppData\Local\Temp\A722E2~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1496
    - - C:\Windows\SysWOW64\igfxcb32.exe
        
        "C:\Windows\SysWOW64\igfxcb32.exe" C:\Users\Admin\AppData\Local\Temp\A722E2~1.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:1056

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\igfxcb32.exe

Filesize
254KB

MD5
a722e241530d41a570c50f98175ea7ad

SHA1
0c477e473a3e82bf6ca3a3d42074f239e3e395cd

SHA256
ea4a78226182e05ef4c1be2a9125f3fe37ccbf16c32359d73f4fff0c7e9e1e6f

SHA512
faef8e02e819df30851cb1789de2975d7505fea957d34ef6fe46699e48c0fddaeff8263bac3b62f6031394aff5ad4ec0eb81d8df6a5872cfd42d17496a327379

Download Submit
memory/1056-47-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1056-48-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1056-50-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1056-51-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1056-61-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2004-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2004-2-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2004-4-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2004-3-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2004-5-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2004-40-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads