metasploit | 3febc09bde4c5d583075bdf4ccbf333ad597624c5214b28b7016a3434d09c2cf

General

Target

ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
Size

243KB
MD5

ca5c9bba8a53f2f9e122c3a674ec680c
SHA1

947a98d43d32fde4ed2b599b68b845d1b130881b
SHA256

3febc09bde4c5d583075bdf4ccbf333ad597624c5214b28b7016a3434d09c2cf
SHA512

631e04665168d0f29ef48edc2c80d8a95be9c33f0f22cfad7a8bd2e29b9bb6c154b9cd915c12efa51eadf53d832c1c257489374c4267c150767847231f2fcf23
SSDEEP

6144:maX+lPhTr2MwPUAJWVhzn8YfSIw8Bx0Sz4WxP:NX+lJTreJahb7fSOBx0I

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxvt32.exe = "C:\\Windows\\SysWOW64\\igfxvt32.exe:*:Enabled:Intel Virtual Driver"	igfxvt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxvt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxvt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxvt32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxvt32.exe = "C:\\Windows\\SysWOW64\\igfxvt32.exe:*:Enabled:Intel Virtual Driver"	igfxvt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxvt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxvt32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxvt32.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	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4208	igfxvt32.exe

Executes dropped EXE 2 IoCs

pid	Process
2668	igfxvt32.exe
4208	igfxvt32.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 Virtual Driver = "C:\\Windows\\SysWOW64\\igfxvt32.exe"	igfxvt32.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxvt32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxvt32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxvt32.exe	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxvt32.exe	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxvt32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 3464	1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	83
PID 2668 set thread context of 4208	2668	igfxvt32.exe	92

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3464-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3464-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3464-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3464-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4208-43-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/3464-42-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3464-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3464-46-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/4208-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4208-48-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/4208-49-0x0000000000400000-0x0000000000442000-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	igfxvt32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxvt32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3464	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
3464	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
3464	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
3464	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
4208	igfxvt32.exe
4208	igfxvt32.exe
4208	igfxvt32.exe
4208	igfxvt32.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
2668	igfxvt32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 3464	1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	83
PID 1488 wrote to memory of 3464	1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	83
PID 1488 wrote to memory of 3464	1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	83
PID 1488 wrote to memory of 3464	1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	83
PID 1488 wrote to memory of 3464	1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	83
PID 1488 wrote to memory of 3464	1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	83
PID 1488 wrote to memory of 3464	1488	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	83
PID 3464 wrote to memory of 2668	3464	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	91
PID 3464 wrote to memory of 2668	3464	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	91
PID 3464 wrote to memory of 2668	3464	ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe	91
PID 2668 wrote to memory of 4208	2668	igfxvt32.exe	92
PID 2668 wrote to memory of 4208	2668	igfxvt32.exe	92
PID 2668 wrote to memory of 4208	2668	igfxvt32.exe	92
PID 2668 wrote to memory of 4208	2668	igfxvt32.exe	92
PID 2668 wrote to memory of 4208	2668	igfxvt32.exe	92
PID 2668 wrote to memory of 4208	2668	igfxvt32.exe	92
PID 2668 wrote to memory of 4208	2668	igfxvt32.exe	92
PID 4208 wrote to memory of 3504	4208	igfxvt32.exe	56
PID 4208 wrote to memory of 3504	4208	igfxvt32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3504
- C:\Users\Admin\AppData\Local\Temp\ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Users\Admin\AppData\Local\Temp\ca5c9bba8a53f2f9e122c3a674ec680c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ca5c9bba8a53f2f9e122c3a674ec680c_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:3464
  - - C:\Windows\SysWOW64\igfxvt32.exe
      "C:\Windows\SysWOW64\igfxvt32.exe" C:\Users\Admin\AppData\Local\Temp\CA5C9B~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:2668
    - - C:\Windows\SysWOW64\igfxvt32.exe
        
        "C:\Windows\SysWOW64\igfxvt32.exe" C:\Users\Admin\AppData\Local\Temp\CA5C9B~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:4208

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\igfxvt32.exe

Filesize
243KB

MD5
ca5c9bba8a53f2f9e122c3a674ec680c

SHA1
947a98d43d32fde4ed2b599b68b845d1b130881b

SHA256
3febc09bde4c5d583075bdf4ccbf333ad597624c5214b28b7016a3434d09c2cf

SHA512
631e04665168d0f29ef48edc2c80d8a95be9c33f0f22cfad7a8bd2e29b9bb6c154b9cd915c12efa51eadf53d832c1c257489374c4267c150767847231f2fcf23

Download Submit
memory/3464-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-42-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4208-43-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4208-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4208-48-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4208-49-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads