metasploit | 4e876bf933e2f7244904dd14950f3f7781e97a8e964838b6a2257055e5f14a33

General

Target

d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
Size

250KB
MD5

d6edb56b37fd2fef68e326f06066937c
SHA1

61ac2d26e058f2a9c219b7219099e00cedb5fc0d
SHA256

4e876bf933e2f7244904dd14950f3f7781e97a8e964838b6a2257055e5f14a33
SHA512

990a454d667a701da56889db3d72fb566adfb41c691fd6fd0eb877374ed728469c1e506e5ed71ef92d4b7db0337362221feb942439a0dbf9306c0d5f596b2e1c
SSDEEP

6144:e00ads/WnIufgOb6m/qNica8L9ATGbxzcOMCjFrl+:eJoeWn8Ob2Ach+qzcPCBrl+

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	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
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

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4152	wmphn32.exe

Executes dropped EXE 2 IoCs

pid	Process
4612	wmphn32.exe
4152	wmphn32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5112-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5112-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5112-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5112-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5112-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4152-44-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5112-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/5112-46-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/4152-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4152-48-0x0000000000400000-0x000000000044C000-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\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	wmphn32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmphn32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmphn32.exe	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmphn32.exe	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmphn32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 5112	4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	83
PID 4612 set thread context of 4152	4612	wmphn32.exe	89

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	wmphn32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5112	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
5112	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
5112	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
5112	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
4152	wmphn32.exe
4152	wmphn32.exe
4152	wmphn32.exe
4152	wmphn32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 5112	4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	83
PID 4848 wrote to memory of 5112	4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	83
PID 4848 wrote to memory of 5112	4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	83
PID 4848 wrote to memory of 5112	4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	83
PID 4848 wrote to memory of 5112	4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	83
PID 4848 wrote to memory of 5112	4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	83
PID 4848 wrote to memory of 5112	4848	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	83
PID 5112 wrote to memory of 4612	5112	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	88
PID 5112 wrote to memory of 4612	5112	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	88
PID 5112 wrote to memory of 4612	5112	d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe	88
PID 4612 wrote to memory of 4152	4612	wmphn32.exe	89
PID 4612 wrote to memory of 4152	4612	wmphn32.exe	89
PID 4612 wrote to memory of 4152	4612	wmphn32.exe	89
PID 4612 wrote to memory of 4152	4612	wmphn32.exe	89
PID 4612 wrote to memory of 4152	4612	wmphn32.exe	89
PID 4612 wrote to memory of 4152	4612	wmphn32.exe	89
PID 4612 wrote to memory of 4152	4612	wmphn32.exe	89
PID 4152 wrote to memory of 3436	4152	wmphn32.exe	56
PID 4152 wrote to memory of 3436	4152	wmphn32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Users\Admin\AppData\Local\Temp\d6edb56b37fd2fef68e326f06066937c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d6edb56b37fd2fef68e326f06066937c_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:5112
  - - C:\Windows\SysWOW64\wmphn32.exe
      "C:\Windows\SysWOW64\wmphn32.exe" C:\Users\Admin\AppData\Local\Temp\D6EDB5~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4612
    - - C:\Windows\SysWOW64\wmphn32.exe
        
        "C:\Windows\SysWOW64\wmphn32.exe" C:\Users\Admin\AppData\Local\Temp\D6EDB5~1.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:4152

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
250KB

MD5
d6edb56b37fd2fef68e326f06066937c

SHA1
61ac2d26e058f2a9c219b7219099e00cedb5fc0d

SHA256
4e876bf933e2f7244904dd14950f3f7781e97a8e964838b6a2257055e5f14a33

SHA512
990a454d667a701da56889db3d72fb566adfb41c691fd6fd0eb877374ed728469c1e506e5ed71ef92d4b7db0337362221feb942439a0dbf9306c0d5f596b2e1c

Download Submit
memory/4152-44-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4152-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4152-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5112-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5112-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5112-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5112-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5112-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5112-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5112-46-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads