metasploit | 6e46b4324fafdf8e3b86434c646bf039259354400dd77d5b146b6fa3b3f6dc79

General

Target

f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
Size

251KB
MD5

f75b6b1468e4312e927017805638ff92
SHA1

cc8017c5b67834d5ce33549850ca910c7907eb78
SHA256

6e46b4324fafdf8e3b86434c646bf039259354400dd77d5b146b6fa3b3f6dc79
SHA512

3face27e360934fe42c1999e864b789beb097ddf5da3e7b441863d58fa6356912f5fcf14638a02eb1a3f580e98164ea30bc6fabf677967e6fda116acec9025d5
SSDEEP

6144:gTkwIQVIcEd/haua5r5whMKi2jYSy6B2qMXRKx0yhaE:ggzgIcEdehWrKSy6BIJE

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\DomainProfile	wmphn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmphn32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphn32.exe = "C:\\Windows\\SysWOW64\\wmphn32.exe:*:Enabled:Windows Host Controller"	wmphn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmphn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmphn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmphn32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmphn32.exe = "C:\\Windows\\SysWOW64\\wmphn32.exe:*:Enabled:Windows Host Controller"	wmphn32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmphn32.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1508	wmphn32.exe

Executes dropped EXE 2 IoCs

pid	Process
388	wmphn32.exe
1508	wmphn32.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\Windows Host Controller = "C:\\Windows\\SysWOW64\\wmphn32.exe"	wmphn32.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	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmphn32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmphn32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmphn32.exe	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmphn32.exe	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmphn32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4772 set thread context of 4276	4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	82
PID 388 set thread context of 1508	388	wmphn32.exe	84

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4276-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4276-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4276-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4276-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1508-40-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/1508-44-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/4276-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4276-46-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4276-47-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/1508-48-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/1508-49-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/1508-50-0x0000000000400000-0x0000000000446000-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	wmphn32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmphn32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4276	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
4276	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
4276	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
4276	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
1508	wmphn32.exe
1508	wmphn32.exe
1508	wmphn32.exe
1508	wmphn32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 4276	4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	82
PID 4772 wrote to memory of 4276	4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	82
PID 4772 wrote to memory of 4276	4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	82
PID 4772 wrote to memory of 4276	4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	82
PID 4772 wrote to memory of 4276	4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	82
PID 4772 wrote to memory of 4276	4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	82
PID 4772 wrote to memory of 4276	4772	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	82
PID 4276 wrote to memory of 388	4276	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	83
PID 4276 wrote to memory of 388	4276	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	83
PID 4276 wrote to memory of 388	4276	f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe	83
PID 388 wrote to memory of 1508	388	wmphn32.exe	84
PID 388 wrote to memory of 1508	388	wmphn32.exe	84
PID 388 wrote to memory of 1508	388	wmphn32.exe	84
PID 388 wrote to memory of 1508	388	wmphn32.exe	84
PID 388 wrote to memory of 1508	388	wmphn32.exe	84
PID 388 wrote to memory of 1508	388	wmphn32.exe	84
PID 388 wrote to memory of 1508	388	wmphn32.exe	84
PID 1508 wrote to memory of 3588	1508	wmphn32.exe	56
PID 1508 wrote to memory of 3588	1508	wmphn32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3588
- C:\Users\Admin\AppData\Local\Temp\f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4772
- - C:\Users\Admin\AppData\Local\Temp\f75b6b1468e4312e927017805638ff92_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f75b6b1468e4312e927017805638ff92_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:4276
  - - C:\Windows\SysWOW64\wmphn32.exe
      "C:\Windows\SysWOW64\wmphn32.exe" C:\Users\Admin\AppData\Local\Temp\F75B6B~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:388
    - - C:\Windows\SysWOW64\wmphn32.exe
        
        "C:\Windows\SysWOW64\wmphn32.exe" C:\Users\Admin\AppData\Local\Temp\F75B6B~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:1508

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\wmphn32.exe

Filesize
251KB

MD5
f75b6b1468e4312e927017805638ff92

SHA1
cc8017c5b67834d5ce33549850ca910c7907eb78

SHA256
6e46b4324fafdf8e3b86434c646bf039259354400dd77d5b146b6fa3b3f6dc79

SHA512
3face27e360934fe42c1999e864b789beb097ddf5da3e7b441863d58fa6356912f5fcf14638a02eb1a3f580e98164ea30bc6fabf677967e6fda116acec9025d5

Download Submit
memory/1508-44-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1508-50-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1508-49-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1508-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1508-40-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/4276-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4276-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4276-46-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4276-47-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/4276-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4276-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4276-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads