metasploit | b20b391c2d32ee1d3609db547888e894c09161f5933c521e194edb3ca6301586

General

Target

dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
Size

213KB
MD5

dd311b9496cfb87a07d7990e7a3127b8
SHA1

817b1e70a94203221e4901740c0e4c915b5c7777
SHA256

b20b391c2d32ee1d3609db547888e894c09161f5933c521e194edb3ca6301586
SHA512

8b0cacf1a10183e9e91fd4402b85b05f333d06f23f22bdbddc85efd2f64eaa611865034c4bf8e5c8ce50e3f834bcc39e2320246418c391f56699d70488bfe5a0
SSDEEP

3072:WWtDChHWBzQHLiudSxdTItA6D3ddUv5Jt0i2rWYf3jIVvanH4I3pGlgoXM:WADxzQC9lMIN72S4OrGAGoXM

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

Modifies firewall policy service 3 TTPs 4 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	igfxct86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxct86.exe = "C:\\Windows\\SysWOW64\\igfxct86.exe:*:Enabled:Intel Control Service"	igfxct86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxct86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxct86.exe = "C:\\Windows\\SysWOW64\\igfxct86.exe:*:Enabled:Intel Control Service"	igfxct86.exe

Deletes itself 1 IoCs

pid	Process
2764	igfxct86.exe

Executes dropped EXE 2 IoCs

pid	Process
2384	igfxct86.exe
2764	igfxct86.exe

Loads dropped DLL 2 IoCs

pid	Process
2488	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
2488	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2488-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-7-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-4-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-8-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-11-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-10-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-9-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-23-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2764-34-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2764-32-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2488-37-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2764-39-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2764-43-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2764-44-0x0000000000400000-0x000000000044B000-memory.dmp	upx

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 Control Service = "C:\\Windows\\SysWOW64\\igfxct86.exe"	igfxct86.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	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxct86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	igfxct86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxct86.exe	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxct86.exe	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxct86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1804 set thread context of 2488	1804	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	30
PID 2384 set thread context of 2764	2384	igfxct86.exe	33

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	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxct86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxct86.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2488	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
2488	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
2764	igfxct86.exe
2764	igfxct86.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2488	1804	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	30
PID 1804 wrote to memory of 2488	1804	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	30
PID 1804 wrote to memory of 2488	1804	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	30
PID 1804 wrote to memory of 2488	1804	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	30
PID 1804 wrote to memory of 2488	1804	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	30
PID 1804 wrote to memory of 2488	1804	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	30
PID 1804 wrote to memory of 2488	1804	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	30
PID 2488 wrote to memory of 2384	2488	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	32
PID 2488 wrote to memory of 2384	2488	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	32
PID 2488 wrote to memory of 2384	2488	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	32
PID 2488 wrote to memory of 2384	2488	dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe	32
PID 2384 wrote to memory of 2764	2384	igfxct86.exe	33
PID 2384 wrote to memory of 2764	2384	igfxct86.exe	33
PID 2384 wrote to memory of 2764	2384	igfxct86.exe	33
PID 2384 wrote to memory of 2764	2384	igfxct86.exe	33
PID 2384 wrote to memory of 2764	2384	igfxct86.exe	33
PID 2384 wrote to memory of 2764	2384	igfxct86.exe	33
PID 2384 wrote to memory of 2764	2384	igfxct86.exe	33
PID 2764 wrote to memory of 1368	2764	igfxct86.exe	21
PID 2764 wrote to memory of 1368	2764	igfxct86.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368
- C:\Users\Admin\AppData\Local\Temp\dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Users\Admin\AppData\Local\Temp\dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dd311b9496cfb87a07d7990e7a3127b8_JaffaCakes118.exe"
    3⤵
    - 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:2488
  - - C:\Windows\SysWOW64\igfxct86.exe
      "C:\Windows\SysWOW64\igfxct86.exe" C:\Users\Admin\AppData\Local\Temp\DD311B~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2384
    - - C:\Windows\SysWOW64\igfxct86.exe
        
        "C:\Windows\SysWOW64\igfxct86.exe" C:\Users\Admin\AppData\Local\Temp\DD311B~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:2764

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

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\igfxct86.exe

Filesize
213KB

MD5
dd311b9496cfb87a07d7990e7a3127b8

SHA1
817b1e70a94203221e4901740c0e4c915b5c7777

SHA256
b20b391c2d32ee1d3609db547888e894c09161f5933c521e194edb3ca6301586

SHA512
8b0cacf1a10183e9e91fd4402b85b05f333d06f23f22bdbddc85efd2f64eaa611865034c4bf8e5c8ce50e3f834bcc39e2320246418c391f56699d70488bfe5a0

Download Submit
memory/1368-42-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/1368-41-0x00000000025E0000-0x00000000025FE000-memory.dmp

Filesize
120KB

Download
memory/2488-9-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-23-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-11-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-37-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2764-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2764-32-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2764-34-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2764-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2764-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads