metasploit | f140f371d170381886a1870bfa000ea336ea270ca3c9de09886127cecd2f0705

General

Target

e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
Size

146KB
MD5

e351522713d034a97167b1da22a75fa1
SHA1

8d44f2f36d6c11a71cb1a58db3b5297e2dbbf78e
SHA256

f140f371d170381886a1870bfa000ea336ea270ca3c9de09886127cecd2f0705
SHA512

1e0cef960b024263b71168b2f3d356821e39869853fb93c6e75ef9191135957dff8e8e0c0a862520791f35d56444d42b33b1d8619a5504685dfc35cfa104799b
SSDEEP

3072:Rlk6bOFssBemmmEZ0VjLgWY00V/47bDW6PPT1/jvWMNrU5:zk9cmmmCmYj4S6xjuSrU5

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 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\StandardProfile\AuthorizedApplications\List	igfxbk86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbk86.exe = "C:\\Windows\\SysWOW64\\igfxbk86.exe:*:Enabled:Intel Backup Service"	igfxbk86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxbk86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxbk86.exe = "C:\\Windows\\SysWOW64\\igfxbk86.exe:*:Enabled:Intel Backup Service"	igfxbk86.exe

Deletes itself 1 IoCs

pid	Process
2996	igfxbk86.exe

Executes dropped EXE 2 IoCs

pid	Process
2864	igfxbk86.exe
2996	igfxbk86.exe

Loads dropped DLL 2 IoCs

pid	Process
2980	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
2864	igfxbk86.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 Service = "C:\\Windows\\SysWOW64\\igfxbk86.exe"	igfxbk86.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	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxbk86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	igfxbk86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\igfxbk86.exe	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxbk86.exe
File opened for modification	C:\Windows\SysWOW64\	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxbk86.exe	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2980	2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	30
PID 2864 set thread context of 2996	2864	igfxbk86.exe	32

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2980-6-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2980-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2980-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2980-8-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2980-7-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2980-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2980-28-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2980-29-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2996-30-0x0000000000400000-0x000000000044C000-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	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbk86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxbk86.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2980	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
2980	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
2996	igfxbk86.exe
2996	igfxbk86.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
2864	igfxbk86.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2980	2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2980	2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2980	2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2980	2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2980	2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2980	2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2980	2136	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	30
PID 2980 wrote to memory of 2864	2980	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2864	2980	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2864	2980	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2864	2980	e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe	31
PID 2864 wrote to memory of 2996	2864	igfxbk86.exe	32
PID 2864 wrote to memory of 2996	2864	igfxbk86.exe	32
PID 2864 wrote to memory of 2996	2864	igfxbk86.exe	32
PID 2864 wrote to memory of 2996	2864	igfxbk86.exe	32
PID 2864 wrote to memory of 2996	2864	igfxbk86.exe	32
PID 2864 wrote to memory of 2996	2864	igfxbk86.exe	32
PID 2864 wrote to memory of 2996	2864	igfxbk86.exe	32
PID 2996 wrote to memory of 1184	2996	igfxbk86.exe	21
PID 2996 wrote to memory of 1184	2996	igfxbk86.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Users\Admin\AppData\Local\Temp\e351522713d034a97167b1da22a75fa1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e351522713d034a97167b1da22a75fa1_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:2980
  - - C:\Windows\SysWOW64\igfxbk86.exe
      "C:\Windows\SysWOW64\igfxbk86.exe" C:\Users\Admin\AppData\Local\Temp\E35152~1.EXE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:2864
    - - C:\Windows\SysWOW64\igfxbk86.exe
        
        "C:\Windows\SysWOW64\igfxbk86.exe" C:\Users\Admin\AppData\Local\Temp\E35152~1.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:2996

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\igfxbk86.exe

Filesize
146KB

MD5
e351522713d034a97167b1da22a75fa1

SHA1
8d44f2f36d6c11a71cb1a58db3b5297e2dbbf78e

SHA256
f140f371d170381886a1870bfa000ea336ea270ca3c9de09886127cecd2f0705

SHA512
1e0cef960b024263b71168b2f3d356821e39869853fb93c6e75ef9191135957dff8e8e0c0a862520791f35d56444d42b33b1d8619a5504685dfc35cfa104799b

Download Submit
memory/1184-33-0x0000000002E60000-0x0000000002E61000-memory.dmp

Filesize
4KB

Download
memory/1184-31-0x0000000002A20000-0x0000000002A3E000-memory.dmp

Filesize
120KB

Download
memory/2980-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2980-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2980-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2980-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2980-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2980-28-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2980-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2980-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2980-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2996-30-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads