metasploit | d22e30d9f7c47907c781515324718da812ed67f2fec994cc301e03abb621c532

General

Target

ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
Size

208KB
MD5

ecea092f08ad96e5b3b43fd65e2efff0
SHA1

de6fe8eeaed28bbdc842d6bb0556ea39b8998cc2
SHA256

d22e30d9f7c47907c781515324718da812ed67f2fec994cc301e03abb621c532
SHA512

625cadbfcb22ac7cc24c85dfb663fc1dd1234823ece0e2ee870667d8e0359a3b8c50f5bbe34b4947682853b1d00cd6724a578f8dc90cfbf1edf7b68a871e9f37
SSDEEP

3072:XKe+lvVtnymmdT1QK5d1AmJAXbMp7Zn2YN+w50+JCwj8:XKe+lxmdhQ8duGybqgYQwxIu8

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\AuthorizedApplications	wmpht86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpht86.exe = "C:\\Windows\\SysWOW64\\wmpht86.exe:*:Enabled:Windows Help"	wmpht86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpht86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpht86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpht86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpht86.exe = "C:\\Windows\\SysWOW64\\wmpht86.exe:*:Enabled:Windows Help"	wmpht86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpht86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpht86.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2156	wmpht86.exe

Executes dropped EXE 2 IoCs

pid	Process
5008	wmpht86.exe
2156	wmpht86.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4792-1-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4792-4-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4792-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4792-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4792-42-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2156-46-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4792-48-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/4792-49-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral2/memory/2156-50-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2156-51-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2156-53-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2156-54-0x0000000000400000-0x000000000044B000-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 Help = "C:\\Windows\\SysWOW64\\wmpht86.exe"	wmpht86.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	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpht86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpht86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpht86.exe	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpht86.exe	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpht86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 4792	1400	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	82
PID 5008 set thread context of 2156	5008	wmpht86.exe	84

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	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpht86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpht86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4792	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
4792	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
4792	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
4792	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
2156	wmpht86.exe
2156	wmpht86.exe
2156	wmpht86.exe
2156	wmpht86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 4792	1400	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	82
PID 1400 wrote to memory of 4792	1400	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	82
PID 1400 wrote to memory of 4792	1400	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	82
PID 1400 wrote to memory of 4792	1400	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	82
PID 1400 wrote to memory of 4792	1400	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	82
PID 1400 wrote to memory of 4792	1400	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	82
PID 1400 wrote to memory of 4792	1400	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	82
PID 4792 wrote to memory of 5008	4792	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	83
PID 4792 wrote to memory of 5008	4792	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	83
PID 4792 wrote to memory of 5008	4792	ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe	83
PID 5008 wrote to memory of 2156	5008	wmpht86.exe	84
PID 5008 wrote to memory of 2156	5008	wmpht86.exe	84
PID 5008 wrote to memory of 2156	5008	wmpht86.exe	84
PID 5008 wrote to memory of 2156	5008	wmpht86.exe	84
PID 5008 wrote to memory of 2156	5008	wmpht86.exe	84
PID 5008 wrote to memory of 2156	5008	wmpht86.exe	84
PID 5008 wrote to memory of 2156	5008	wmpht86.exe	84
PID 2156 wrote to memory of 3432	2156	wmpht86.exe	56
PID 2156 wrote to memory of 3432	2156	wmpht86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3432
- C:\Users\Admin\AppData\Local\Temp\ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Users\Admin\AppData\Local\Temp\ecea092f08ad96e5b3b43fd65e2efff0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ecea092f08ad96e5b3b43fd65e2efff0_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:4792
  - - C:\Windows\SysWOW64\wmpht86.exe
      "C:\Windows\SysWOW64\wmpht86.exe" C:\Users\Admin\AppData\Local\Temp\ECEA09~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:5008
    - - C:\Windows\SysWOW64\wmpht86.exe
        
        "C:\Windows\SysWOW64\wmpht86.exe" C:\Users\Admin\AppData\Local\Temp\ECEA09~1.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:2156

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\wmpht86.exe

Filesize
208KB

MD5
ecea092f08ad96e5b3b43fd65e2efff0

SHA1
de6fe8eeaed28bbdc842d6bb0556ea39b8998cc2

SHA256
d22e30d9f7c47907c781515324718da812ed67f2fec994cc301e03abb621c532

SHA512
625cadbfcb22ac7cc24c85dfb663fc1dd1234823ece0e2ee870667d8e0359a3b8c50f5bbe34b4947682853b1d00cd6724a578f8dc90cfbf1edf7b68a871e9f37

Download Submit
memory/1400-0-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1400-3-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2156-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2156-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2156-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2156-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4792-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4792-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4792-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4792-42-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4792-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4792-49-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/4792-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/5008-47-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads