metasploit | c4cdb0e408fa3d41033dac5638fe8c4b0377e77fdcceb62a037ff739720f3a54

General

Target

afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
Size

238KB
MD5

afee16acea213df28f0682559fa82a77
SHA1

78e644344c87005c4dabb2e65859ac11416ab0e0
SHA256

c4cdb0e408fa3d41033dac5638fe8c4b0377e77fdcceb62a037ff739720f3a54
SHA512

0a26a4779374a5e831ac9d39db481775a3add145e5e13b838eba150ac14592e43d93527a2534c324398fcf8fdc13025dbd009023cd9ed0a3d2dabfd6efc85350
SSDEEP

6144:WC3MpH6kDw0RNHxHSK8GwNzBC4Tzv8yoBQC1KXfNEK:h3MpaGw0XHJ8GAg4TzlE1Kvh

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\List	igfxbh86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxbh86.exe
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

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
220	igfxbh86.exe

Executes dropped EXE 2 IoCs

pid	Process
4528	igfxbh86.exe
220	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	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\igfxbh86.exe	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxbh86.exe	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxbh86.exe
File opened for modification	C:\Windows\SysWOW64\	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3396 set thread context of 3760	3396	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	83
PID 4528 set thread context of 220	4528	igfxbh86.exe	95

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3760-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3760-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3760-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3760-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3760-40-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/220-44-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3760-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/220-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/220-48-0x0000000000400000-0x000000000044C000-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	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbh86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3760	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
3760	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
3760	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
3760	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
220	igfxbh86.exe
220	igfxbh86.exe
220	igfxbh86.exe
220	igfxbh86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 3760	3396	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	83
PID 3396 wrote to memory of 3760	3396	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	83
PID 3396 wrote to memory of 3760	3396	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	83
PID 3396 wrote to memory of 3760	3396	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	83
PID 3396 wrote to memory of 3760	3396	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	83
PID 3396 wrote to memory of 3760	3396	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	83
PID 3396 wrote to memory of 3760	3396	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	83
PID 3760 wrote to memory of 4528	3760	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	94
PID 3760 wrote to memory of 4528	3760	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	94
PID 3760 wrote to memory of 4528	3760	afee16acea213df28f0682559fa82a77_JaffaCakes118.exe	94
PID 4528 wrote to memory of 220	4528	igfxbh86.exe	95
PID 4528 wrote to memory of 220	4528	igfxbh86.exe	95
PID 4528 wrote to memory of 220	4528	igfxbh86.exe	95
PID 4528 wrote to memory of 220	4528	igfxbh86.exe	95
PID 4528 wrote to memory of 220	4528	igfxbh86.exe	95
PID 4528 wrote to memory of 220	4528	igfxbh86.exe	95
PID 4528 wrote to memory of 220	4528	igfxbh86.exe	95
PID 220 wrote to memory of 3592	220	igfxbh86.exe	56
PID 220 wrote to memory of 3592	220	igfxbh86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3592
- C:\Users\Admin\AppData\Local\Temp\afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\afee16acea213df28f0682559fa82a77_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3396
- - C:\Users\Admin\AppData\Local\Temp\afee16acea213df28f0682559fa82a77_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\afee16acea213df28f0682559fa82a77_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:3760
  - - C:\Windows\SysWOW64\igfxbh86.exe
      "C:\Windows\SysWOW64\igfxbh86.exe" C:\Users\Admin\AppData\Local\Temp\AFEE16~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4528
    - - C:\Windows\SysWOW64\igfxbh86.exe
        
        "C:\Windows\SysWOW64\igfxbh86.exe" C:\Users\Admin\AppData\Local\Temp\AFEE16~1.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:220

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
afee16acea213df28f0682559fa82a77

SHA1
78e644344c87005c4dabb2e65859ac11416ab0e0

SHA256
c4cdb0e408fa3d41033dac5638fe8c4b0377e77fdcceb62a037ff739720f3a54

SHA512
0a26a4779374a5e831ac9d39db481775a3add145e5e13b838eba150ac14592e43d93527a2534c324398fcf8fdc13025dbd009023cd9ed0a3d2dabfd6efc85350

Download Submit
memory/220-44-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/220-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/220-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3760-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3760-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3760-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3760-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3760-40-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3760-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads