metasploit | 838f6b50eacce49e2e67aa642b066512a5cc25aee6e225ab626aa9c1c8e74a8d

General

Target

caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
Size

252KB
MD5

caaa2c22a3498dd5590cd390afe46898
SHA1

3fe9ef42dd58f9cd98f72d858afba7339c1ab23f
SHA256

838f6b50eacce49e2e67aa642b066512a5cc25aee6e225ab626aa9c1c8e74a8d
SHA512

5bf1778c5547868b8add754e137ea2a9e02176506d5057ea8a65b146a8141fb5c2ff47c01f64153d03fc68beec70948e4ec39f64f7773ea336596695727dd3d6
SSDEEP

3072:YOynz2tgKd/LvdHoe3s5NmgKo9rGZFA7pPju5Zc3ZZ8XMKAEPDxCQMkKmxLl:8nz6l25eh/AFPKAb8XxAetCQRKmxLl

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	igfxad64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxad64.exe = "C:\\Windows\\SysWOW64\\igfxad64.exe:*:Enabled:Intel Automatic Updater"	igfxad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxad64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxad64.exe = "C:\\Windows\\SysWOW64\\igfxad64.exe:*:Enabled:Intel Automatic Updater"	igfxad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxad64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxad64.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2936	igfxad64.exe

Executes dropped EXE 2 IoCs

pid	Process
2612	igfxad64.exe
2936	igfxad64.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 Automatic Updater = "C:\\Windows\\SysWOW64\\igfxad64.exe"	igfxad64.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	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxad64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxad64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxad64.exe	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxad64.exe	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxad64.exe
File opened for modification	C:\Windows\SysWOW64\igfxad64.exe	igfxad64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4552 set thread context of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 2612 set thread context of 2936	2612	igfxad64.exe	84

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1928-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1928-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1928-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1928-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1928-38-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2936-43-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2936-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2936-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2936-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2936-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2936-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2936-55-0x0000000000400000-0x0000000000464000-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	igfxad64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxad64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1928	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
1928	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
1928	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
1928	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe
2936	igfxad64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 4552 wrote to memory of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 4552 wrote to memory of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 4552 wrote to memory of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 4552 wrote to memory of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 4552 wrote to memory of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 4552 wrote to memory of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 4552 wrote to memory of 1928	4552	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	82
PID 1928 wrote to memory of 2612	1928	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	83
PID 1928 wrote to memory of 2612	1928	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	83
PID 1928 wrote to memory of 2612	1928	caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe	83
PID 2612 wrote to memory of 2936	2612	igfxad64.exe	84
PID 2612 wrote to memory of 2936	2612	igfxad64.exe	84
PID 2612 wrote to memory of 2936	2612	igfxad64.exe	84
PID 2612 wrote to memory of 2936	2612	igfxad64.exe	84
PID 2612 wrote to memory of 2936	2612	igfxad64.exe	84
PID 2612 wrote to memory of 2936	2612	igfxad64.exe	84
PID 2612 wrote to memory of 2936	2612	igfxad64.exe	84
PID 2612 wrote to memory of 2936	2612	igfxad64.exe	84
PID 2936 wrote to memory of 3488	2936	igfxad64.exe	56
PID 2936 wrote to memory of 3488	2936	igfxad64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3488
- C:\Users\Admin\AppData\Local\Temp\caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4552
- - C:\Users\Admin\AppData\Local\Temp\caaa2c22a3498dd5590cd390afe46898_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\caaa2c22a3498dd5590cd390afe46898_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:1928
  - - C:\Windows\SysWOW64\igfxad64.exe
      "C:\Windows\SysWOW64\igfxad64.exe" C:\Users\Admin\AppData\Local\Temp\CAAA2C~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2612
    - - C:\Windows\SysWOW64\igfxad64.exe
        
        "C:\Windows\SysWOW64\igfxad64.exe" C:\Users\Admin\AppData\Local\Temp\CAAA2C~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:2936

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\igfxad64.exe

Filesize
252KB

MD5
caaa2c22a3498dd5590cd390afe46898

SHA1
3fe9ef42dd58f9cd98f72d858afba7339c1ab23f

SHA256
838f6b50eacce49e2e67aa642b066512a5cc25aee6e225ab626aa9c1c8e74a8d

SHA512
5bf1778c5547868b8add754e137ea2a9e02176506d5057ea8a65b146a8141fb5c2ff47c01f64153d03fc68beec70948e4ec39f64f7773ea336596695727dd3d6

Download Submit
memory/1928-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1928-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1928-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1928-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1928-38-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2936-43-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2936-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2936-44-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2936-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2936-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2936-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2936-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads