metasploit | 1643669d76f791be474bd0104a1cb4ff281cfbd5e314f4928b2a1aee3ed13a13

General

Target

f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
Size

158KB
MD5

f059f6568c24e0c04f08f97e3cdcf70e
SHA1

6fb5d3b4393197a8255fda521058050749156941
SHA256

1643669d76f791be474bd0104a1cb4ff281cfbd5e314f4928b2a1aee3ed13a13
SHA512

50ccc994e9f25c993c8c2a8877df788eaff6ad7d73db3341a3c65717e5c80c8ede3190dc1abf99b42af7e1fff25ecaf4ed69d73c72d489b9b19f83821f36a3bf
SSDEEP

3072:lGOKa/n5eetQhxoLMIlkmPQADPLIim+hIf9P:kajt6YQARjyP

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 8 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	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxcm86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcm86.exe = "C:\\Windows\\SysWOW64\\igfxcm86.exe:*:Enabled:Intel Service Control"	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxcm86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcm86.exe = "C:\\Windows\\SysWOW64\\igfxcm86.exe:*:Enabled:Intel Service Control"	igfxcm86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxcm86.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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3604	igfxcm86.exe

Executes dropped EXE 2 IoCs

pid	Process
2100	igfxcm86.exe
3604	igfxcm86.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2920-0-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2920-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2920-3-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2920-4-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3604-43-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2920-42-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2920-45-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2920-46-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral2/memory/3604-47-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3604-48-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3604-49-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3604-50-0x0000000000400000-0x000000000044E000-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 Service Control = "C:\\Windows\\SysWOW64\\igfxcm86.exe"	igfxcm86.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	igfxcm86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxcm86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxcm86.exe
File opened for modification	C:\Windows\SysWOW64\	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\igfxcm86.exe	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\igfxcm86.exe	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2920	2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	84
PID 2100 set thread context of 3604	2100	igfxcm86.exe	91

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	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcm86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxcm86.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2920	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
2920	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
2920	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
2920	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
3604	igfxcm86.exe
3604	igfxcm86.exe
3604	igfxcm86.exe
3604	igfxcm86.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2920	2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	84
PID 2700 wrote to memory of 2920	2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	84
PID 2700 wrote to memory of 2920	2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	84
PID 2700 wrote to memory of 2920	2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	84
PID 2700 wrote to memory of 2920	2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	84
PID 2700 wrote to memory of 2920	2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	84
PID 2700 wrote to memory of 2920	2700	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	84
PID 2920 wrote to memory of 2100	2920	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	90
PID 2920 wrote to memory of 2100	2920	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	90
PID 2920 wrote to memory of 2100	2920	f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe	90
PID 2100 wrote to memory of 3604	2100	igfxcm86.exe	91
PID 2100 wrote to memory of 3604	2100	igfxcm86.exe	91
PID 2100 wrote to memory of 3604	2100	igfxcm86.exe	91
PID 2100 wrote to memory of 3604	2100	igfxcm86.exe	91
PID 2100 wrote to memory of 3604	2100	igfxcm86.exe	91
PID 2100 wrote to memory of 3604	2100	igfxcm86.exe	91
PID 2100 wrote to memory of 3604	2100	igfxcm86.exe	91
PID 3604 wrote to memory of 3456	3604	igfxcm86.exe	56
PID 3604 wrote to memory of 3456	3604	igfxcm86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3456
- C:\Users\Admin\AppData\Local\Temp\f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Users\Admin\AppData\Local\Temp\f059f6568c24e0c04f08f97e3cdcf70e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f059f6568c24e0c04f08f97e3cdcf70e_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:2920
  - - C:\Windows\SysWOW64\igfxcm86.exe
      "C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\F059F6~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2100
    - - C:\Windows\SysWOW64\igfxcm86.exe
        
        "C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\F059F6~1.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:3604

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\igfxcm86.exe

Filesize
158KB

MD5
f059f6568c24e0c04f08f97e3cdcf70e

SHA1
6fb5d3b4393197a8255fda521058050749156941

SHA256
1643669d76f791be474bd0104a1cb4ff281cfbd5e314f4928b2a1aee3ed13a13

SHA512
50ccc994e9f25c993c8c2a8877df788eaff6ad7d73db3341a3c65717e5c80c8ede3190dc1abf99b42af7e1fff25ecaf4ed69d73c72d489b9b19f83821f36a3bf

Download Submit
memory/2920-42-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2920-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2920-4-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2920-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2920-0-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2920-45-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2920-46-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3604-43-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3604-47-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3604-48-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3604-49-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3604-50-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads