metasploit | b4a4d9d871bfb733b16c6c8ac61bc11e48a3df6c890cb8a2af719ceb8cbdb48d

General

Target

a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
Size

260KB
MD5

a952fb59013a34434083c0d59df5c4cd
SHA1

585afd55d77dd4b54055e62dc167e034d6b83057
SHA256

b4a4d9d871bfb733b16c6c8ac61bc11e48a3df6c890cb8a2af719ceb8cbdb48d
SHA512

467f196933442c80eabeaa008a7acd9ac8e19009455e66b96a837ee12eacdc7c9021dc30a353e4126f9d4fb5b79663c7e18ccd84f38fb00df347ba6d8c356002
SSDEEP

3072:XXNtLGkl/985pk60kQi3Atem045GmwkkNet3gLCpp8dnPsasM:HLG4/9ECemr5GmHt

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\igfxcn32.exe = "C:\\Windows\\SysWOW64\\igfxcn32.exe:*:Enabled:Intel Display Manager"	igfxcn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxcn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxcn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxcn32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcn32.exe = "C:\\Windows\\SysWOW64\\igfxcn32.exe:*:Enabled:Intel Display Manager"	igfxcn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxcn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxcn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxcn32.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1468	igfxcn32.exe

Executes dropped EXE 2 IoCs

pid	Process
2496	igfxcn32.exe
1468	igfxcn32.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 Display Manager = "C:\\Windows\\SysWOW64\\igfxcn32.exe"	igfxcn32.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	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxcn32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxcn32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\igfxcn32.exe	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxcn32.exe	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	igfxcn32.exe
File opened for modification	C:\Windows\SysWOW64\igfxcn32.exe	igfxcn32.exe
File opened for modification	C:\Windows\SysWOW64\	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4812 set thread context of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 2496 set thread context of 1468	2496	igfxcn32.exe	95

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4948-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4948-2-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4948-4-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4948-3-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4948-40-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1468-44-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1468-47-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1468-46-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1468-45-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1468-48-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1468-49-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1468-53-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1468-60-0x0000000000400000-0x0000000000467000-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	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcn32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcn32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4948	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
4948	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
4948	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
4948	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe
1468	igfxcn32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 4812 wrote to memory of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 4812 wrote to memory of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 4812 wrote to memory of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 4812 wrote to memory of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 4812 wrote to memory of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 4812 wrote to memory of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 4812 wrote to memory of 4948	4812	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	88
PID 4948 wrote to memory of 2496	4948	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	91
PID 4948 wrote to memory of 2496	4948	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	91
PID 4948 wrote to memory of 2496	4948	a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe	91
PID 2496 wrote to memory of 1468	2496	igfxcn32.exe	95
PID 2496 wrote to memory of 1468	2496	igfxcn32.exe	95
PID 2496 wrote to memory of 1468	2496	igfxcn32.exe	95
PID 2496 wrote to memory of 1468	2496	igfxcn32.exe	95
PID 2496 wrote to memory of 1468	2496	igfxcn32.exe	95
PID 2496 wrote to memory of 1468	2496	igfxcn32.exe	95
PID 2496 wrote to memory of 1468	2496	igfxcn32.exe	95
PID 2496 wrote to memory of 1468	2496	igfxcn32.exe	95
PID 1468 wrote to memory of 3452	1468	igfxcn32.exe	56
PID 1468 wrote to memory of 3452	1468	igfxcn32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3452
- C:\Users\Admin\AppData\Local\Temp\a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4812
- - C:\Users\Admin\AppData\Local\Temp\a952fb59013a34434083c0d59df5c4cd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a952fb59013a34434083c0d59df5c4cd_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:4948
  - - C:\Windows\SysWOW64\igfxcn32.exe
      "C:\Windows\SysWOW64\igfxcn32.exe" C:\Users\Admin\AppData\Local\Temp\A952FB~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2496
    - - C:\Windows\SysWOW64\igfxcn32.exe
        
        "C:\Windows\SysWOW64\igfxcn32.exe" C:\Users\Admin\AppData\Local\Temp\A952FB~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:1468

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\igfxcn32.exe

Filesize
260KB

MD5
a952fb59013a34434083c0d59df5c4cd

SHA1
585afd55d77dd4b54055e62dc167e034d6b83057

SHA256
b4a4d9d871bfb733b16c6c8ac61bc11e48a3df6c890cb8a2af719ceb8cbdb48d

SHA512
467f196933442c80eabeaa008a7acd9ac8e19009455e66b96a837ee12eacdc7c9021dc30a353e4126f9d4fb5b79663c7e18ccd84f38fb00df347ba6d8c356002

Download Submit
memory/1468-45-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1468-44-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1468-47-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1468-46-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1468-48-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1468-49-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1468-53-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1468-60-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4948-4-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4948-3-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4948-2-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4948-40-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4948-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads