metasploit | e4569156c6f2b99d68078cd75d9f7aa223c7f0369d448c5696311d302098c03f

General

Target

f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
Size

247KB
MD5

f5bdde2b3d0dea969d2b85cbb26ee18a
SHA1

3ef1f24309ac3046771f02205d0ad9edd877153b
SHA256

e4569156c6f2b99d68078cd75d9f7aa223c7f0369d448c5696311d302098c03f
SHA512

062e33469134e11da45d8764a6e10802cd615391e0e184b799ce1c9c1e1ac02dd4099787be62ba6aae24e15d06b4022f6eef985710270686ce9a0f9ec8865dfd
SSDEEP

3072:sfdXWpzz/leQXt0gqSVWZVznMhqsCUYndbkyY2Md3o:sfdyvwQXnd+kIdBl

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\igfxhs64.exe = "C:\\Windows\\SysWOW64\\igfxhs64.exe:*:Enabled:Intel Service Helper"	igfxhs64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxhs64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxhs64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxhs64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxhs64.exe = "C:\\Windows\\SysWOW64\\igfxhs64.exe:*:Enabled:Intel Service Helper"	igfxhs64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxhs64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxhs64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxhs64.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2844	igfxhs64.exe

Executes dropped EXE 2 IoCs

pid	Process
4924	igfxhs64.exe
2844	igfxhs64.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 Service Helper = "C:\\Windows\\SysWOW64\\igfxhs64.exe"	igfxhs64.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	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxhs64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxhs64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxhs64.exe
File opened for modification	C:\Windows\SysWOW64\igfxhs64.exe	igfxhs64.exe
File opened for modification	C:\Windows\SysWOW64\	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxhs64.exe	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxhs64.exe	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2652 set thread context of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 4924 set thread context of 2844	4924	igfxhs64.exe	93

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1360-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1360-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1360-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1360-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1360-36-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2844-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2844-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2844-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2844-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/2844-55-0x0000000000400000-0x0000000000464000-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	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxhs64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxhs64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1360	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
1360	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
1360	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
1360	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe
2844	igfxhs64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 2652 wrote to memory of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 2652 wrote to memory of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 2652 wrote to memory of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 2652 wrote to memory of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 2652 wrote to memory of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 2652 wrote to memory of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 2652 wrote to memory of 1360	2652	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	83
PID 1360 wrote to memory of 4924	1360	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	84
PID 1360 wrote to memory of 4924	1360	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	84
PID 1360 wrote to memory of 4924	1360	f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe	84
PID 4924 wrote to memory of 2844	4924	igfxhs64.exe	93
PID 4924 wrote to memory of 2844	4924	igfxhs64.exe	93
PID 4924 wrote to memory of 2844	4924	igfxhs64.exe	93
PID 4924 wrote to memory of 2844	4924	igfxhs64.exe	93
PID 4924 wrote to memory of 2844	4924	igfxhs64.exe	93
PID 4924 wrote to memory of 2844	4924	igfxhs64.exe	93
PID 4924 wrote to memory of 2844	4924	igfxhs64.exe	93
PID 4924 wrote to memory of 2844	4924	igfxhs64.exe	93
PID 2844 wrote to memory of 3536	2844	igfxhs64.exe	56
PID 2844 wrote to memory of 3536	2844	igfxhs64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3536
- C:\Users\Admin\AppData\Local\Temp\f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Users\Admin\AppData\Local\Temp\f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5bdde2b3d0dea969d2b85cbb26ee18a_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:1360
  - - C:\Windows\SysWOW64\igfxhs64.exe
      "C:\Windows\SysWOW64\igfxhs64.exe" C:\Users\Admin\AppData\Local\Temp\F5BDDE~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4924
    - - C:\Windows\SysWOW64\igfxhs64.exe
        
        "C:\Windows\SysWOW64\igfxhs64.exe" C:\Users\Admin\AppData\Local\Temp\F5BDDE~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:2844

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\igfxhs64.exe

Filesize
247KB

MD5
f5bdde2b3d0dea969d2b85cbb26ee18a

SHA1
3ef1f24309ac3046771f02205d0ad9edd877153b

SHA256
e4569156c6f2b99d68078cd75d9f7aa223c7f0369d448c5696311d302098c03f

SHA512
062e33469134e11da45d8764a6e10802cd615391e0e184b799ce1c9c1e1ac02dd4099787be62ba6aae24e15d06b4022f6eef985710270686ce9a0f9ec8865dfd

Download Submit
memory/1360-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1360-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1360-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1360-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1360-36-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2844-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2844-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2844-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2844-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2844-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads