metasploit | 921e5de8683cc121f3667dce87c02b4c4cc3ff009a83cf0ed7f213cd7577f539

General

Target

JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Size

244KB
MD5

97c171647ceae4a593ed0a22545dc555
SHA1

130fb9b31411582887e558ed0b7e358a3045faf5
SHA256

921e5de8683cc121f3667dce87c02b4c4cc3ff009a83cf0ed7f213cd7577f539
SHA512

9addeba0828aa35160c336d20b31c2f2f085514def5949be17e4e4de586df3a790a26826454fcd9e2d6893f88d6191d82a7fa57e96bb87fffa301e96ebc15c6e
SSDEEP

6144:KjrVP0zmzl0rkLmzqHbBy+WV41BI4tzY+tBcw:QrVP0zmHmOHFQV41SU6w

Score

10^/10

metasploit backdoor defense_evasion discovery 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 4 IoCs

defense_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\igfxvk32.exe = "C:\\Windows\\SysWOW64\\igfxvk32.exe:*:Enabled:Intel Virtual Config"	igfxvk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxvk32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxvk32.exe = "C:\\Windows\\SysWOW64\\igfxvk32.exe:*:Enabled:Intel Virtual Config"	igfxvk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxvk32.exe

Deletes itself 1 IoCs

pid	Process
2700	igfxvk32.exe

Executes dropped EXE 2 IoCs

pid	Process
2400	igfxvk32.exe
2700	igfxvk32.exe

Loads dropped DLL 2 IoCs

pid	Process
1988	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
2400	igfxvk32.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	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxvk32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	igfxvk32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxvk32.exe
File opened for modification	C:\Windows\SysWOW64\	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
File opened for modification	C:\Windows\SysWOW64\igfxvk32.exe	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
File created	C:\Windows\SysWOW64\igfxvk32.exe	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 1988	1644	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	31
PID 2400 set thread context of 2700	2400	igfxvk32.exe	33

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1988-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1988-5-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1988-10-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1988-9-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1988-8-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1988-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1988-11-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1988-14-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2700-33-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/1988-36-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2700-37-0x0000000000400000-0x000000000044C000-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 3 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	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxvk32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1988	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
1988	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
2700	igfxvk32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1988	1644	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	31
PID 1644 wrote to memory of 1988	1644	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	31
PID 1644 wrote to memory of 1988	1644	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	31
PID 1644 wrote to memory of 1988	1644	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	31
PID 1644 wrote to memory of 1988	1644	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	31
PID 1644 wrote to memory of 1988	1644	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	31
PID 1644 wrote to memory of 1988	1644	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	31
PID 1988 wrote to memory of 2400	1988	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	32
PID 1988 wrote to memory of 2400	1988	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	32
PID 1988 wrote to memory of 2400	1988	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	32
PID 1988 wrote to memory of 2400	1988	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	32
PID 2400 wrote to memory of 2700	2400	igfxvk32.exe	33
PID 2400 wrote to memory of 2700	2400	igfxvk32.exe	33
PID 2400 wrote to memory of 2700	2400	igfxvk32.exe	33
PID 2400 wrote to memory of 2700	2400	igfxvk32.exe	33
PID 2400 wrote to memory of 2700	2400	igfxvk32.exe	33
PID 2400 wrote to memory of 2700	2400	igfxvk32.exe	33
PID 2400 wrote to memory of 2700	2400	igfxvk32.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe"
  2⤵
  - Loads dropped DLL
  - 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:1988
- - C:\Windows\SysWOW64\igfxvk32.exe
    "C:\Windows\SysWOW64\igfxvk32.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2400
  - - C:\Windows\SysWOW64\igfxvk32.exe
      "C:\Windows\SysWOW64\igfxvk32.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
      4⤵
      Modifies firewall policy service
      Deletes itself
      Executes dropped EXE
      Maps connected drives based on registry
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

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

2

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

\Windows\SysWOW64\igfxvk32.exe

Filesize
244KB

MD5
97c171647ceae4a593ed0a22545dc555

SHA1
130fb9b31411582887e558ed0b7e358a3045faf5

SHA256
921e5de8683cc121f3667dce87c02b4c4cc3ff009a83cf0ed7f213cd7577f539

SHA512
9addeba0828aa35160c336d20b31c2f2f085514def5949be17e4e4de586df3a790a26826454fcd9e2d6893f88d6191d82a7fa57e96bb87fffa301e96ebc15c6e

Download Submit
memory/1988-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-36-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2700-33-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2700-37-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads