metasploit | bda852e75c054e1bbfcc880af4b3a8ead19bb8130921aada2a1541f328f1c9c9

General

Target

c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
Size

252KB
MD5

c0e45514fd5a3d753d5dcf88025f52ea
SHA1

4e154be021ddc5c52ca30136cdbd82911700f4ac
SHA256

bda852e75c054e1bbfcc880af4b3a8ead19bb8130921aada2a1541f328f1c9c9
SHA512

6babbd91b562d8aafc9b0bfa9e4df5d43f8d0f63bfc1b833a3c199e3fe5a2031e8b0a205f27115bc2ac3a33518edec1bfcba4767368fe26361431406fd45dc72
SSDEEP

3072:g4UlooTl0f9Idj9ebUYv7SX9TmeF/7HT4cj8+pBk5mUsURNZNeRRR:g48/yadjQblGt3F/7Hl/pBPURNZN

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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpsh64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpsh64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpsh64.exe = "C:\\Windows\\SysWOW64\\wmpsh64.exe:*:Enabled:Windows Media HelpSvc"	wmpsh64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpsh64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpsh64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpsh64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpsh64.exe = "C:\\Windows\\SysWOW64\\wmpsh64.exe:*:Enabled:Windows Media HelpSvc"	wmpsh64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpsh64.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1624	wmpsh64.exe

Executes dropped EXE 2 IoCs

pid	Process
3304	wmpsh64.exe
1624	wmpsh64.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 Media HelpSvc = "C:\\Windows\\SysWOW64\\wmpsh64.exe"	wmpsh64.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	wmpsh64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpsh64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wmpsh64.exe	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpsh64.exe	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpsh64.exe
File opened for modification	C:\Windows\SysWOW64\wmpsh64.exe	wmpsh64.exe
File opened for modification	C:\Windows\SysWOW64\	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4192 set thread context of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 3304 set thread context of 1624	3304	wmpsh64.exe	96

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4612-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4612-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4612-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4612-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4612-38-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1624-43-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1624-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1624-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1624-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1624-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1624-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1624-55-0x0000000000400000-0x0000000000464000-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	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpsh64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpsh64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4612	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
4612	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
4612	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
4612	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe
1624	wmpsh64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 4192 wrote to memory of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 4192 wrote to memory of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 4192 wrote to memory of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 4192 wrote to memory of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 4192 wrote to memory of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 4192 wrote to memory of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 4192 wrote to memory of 4612	4192	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	83
PID 4612 wrote to memory of 3304	4612	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	90
PID 4612 wrote to memory of 3304	4612	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	90
PID 4612 wrote to memory of 3304	4612	c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe	90
PID 3304 wrote to memory of 1624	3304	wmpsh64.exe	96
PID 3304 wrote to memory of 1624	3304	wmpsh64.exe	96
PID 3304 wrote to memory of 1624	3304	wmpsh64.exe	96
PID 3304 wrote to memory of 1624	3304	wmpsh64.exe	96
PID 3304 wrote to memory of 1624	3304	wmpsh64.exe	96
PID 3304 wrote to memory of 1624	3304	wmpsh64.exe	96
PID 3304 wrote to memory of 1624	3304	wmpsh64.exe	96
PID 3304 wrote to memory of 1624	3304	wmpsh64.exe	96
PID 1624 wrote to memory of 3588	1624	wmpsh64.exe	56
PID 1624 wrote to memory of 3588	1624	wmpsh64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3588
- C:\Users\Admin\AppData\Local\Temp\c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Users\Admin\AppData\Local\Temp\c0e45514fd5a3d753d5dcf88025f52ea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c0e45514fd5a3d753d5dcf88025f52ea_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:4612
  - - C:\Windows\SysWOW64\wmpsh64.exe
      "C:\Windows\SysWOW64\wmpsh64.exe" C:\Users\Admin\AppData\Local\Temp\C0E455~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3304
    - - C:\Windows\SysWOW64\wmpsh64.exe
        
        "C:\Windows\SysWOW64\wmpsh64.exe" C:\Users\Admin\AppData\Local\Temp\C0E455~1.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:1624

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\wmpsh64.exe

Filesize
252KB

MD5
c0e45514fd5a3d753d5dcf88025f52ea

SHA1
4e154be021ddc5c52ca30136cdbd82911700f4ac

SHA256
bda852e75c054e1bbfcc880af4b3a8ead19bb8130921aada2a1541f328f1c9c9

SHA512
6babbd91b562d8aafc9b0bfa9e4df5d43f8d0f63bfc1b833a3c199e3fe5a2031e8b0a205f27115bc2ac3a33518edec1bfcba4767368fe26361431406fd45dc72

Download Submit
memory/1624-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1624-43-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1624-44-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1624-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1624-47-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1624-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1624-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4612-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4612-3-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4612-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4612-38-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4612-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads