metasploit | bb2e9955dc4978105b509db18d0e3d461b842233a820b1c3f2b4a98fa565b48a

General

Target

da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
Size

180KB
MD5

da3b3abdafffdf7c1e753adb04ac050d
SHA1

5f12a97ec90418047f135d746ec36f778ce1e2ef
SHA256

bb2e9955dc4978105b509db18d0e3d461b842233a820b1c3f2b4a98fa565b48a
SHA512

1a68e27497d4eeb0607983d134cbd265057ec601bb269036b76b8a5bc2e86ed1a720959df35b4397d8677eab09d9e59d9891ec6f5438cb13a8776bd378f731ba
SSDEEP

3072:4/u4HPElLA8tyHCIQVsM+VUq/l0BgVB9JktJha3xd:iugEtyH/Qr+Uq/VBJkfhY

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\DomainProfile\AuthorizedApplications	wmpts64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpts64.exe = "C:\\Windows\\SysWOW64\\wmpts64.exe:*:Enabled:Windows Media Client"	wmpts64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpts64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpts64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpts64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpts64.exe = "C:\\Windows\\SysWOW64\\wmpts64.exe:*:Enabled:Windows Media Client"	wmpts64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpts64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpts64.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	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2040	wmpts64.exe

Executes dropped EXE 2 IoCs

pid	Process
1808	wmpts64.exe
2040	wmpts64.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 Client = "C:\\Windows\\SysWOW64\\wmpts64.exe"	wmpts64.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	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpts64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpts64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpts64.exe	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpts64.exe	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpts64.exe
File opened for modification	C:\Windows\SysWOW64\wmpts64.exe	wmpts64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4680 set thread context of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 1808 set thread context of 2040	1808	wmpts64.exe	86

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2084-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2084-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2084-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2084-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2084-38-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2040-45-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2040-44-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2040-43-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2040-46-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2040-47-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2040-51-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2040-58-0x0000000000400000-0x0000000000454000-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	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpts64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpts64.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2084	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
2084	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
2084	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
2084	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe
2040	wmpts64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 4680 wrote to memory of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 4680 wrote to memory of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 4680 wrote to memory of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 4680 wrote to memory of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 4680 wrote to memory of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 4680 wrote to memory of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 4680 wrote to memory of 2084	4680	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	84
PID 2084 wrote to memory of 1808	2084	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	85
PID 2084 wrote to memory of 1808	2084	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	85
PID 2084 wrote to memory of 1808	2084	da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe	85
PID 1808 wrote to memory of 2040	1808	wmpts64.exe	86
PID 1808 wrote to memory of 2040	1808	wmpts64.exe	86
PID 1808 wrote to memory of 2040	1808	wmpts64.exe	86
PID 1808 wrote to memory of 2040	1808	wmpts64.exe	86
PID 1808 wrote to memory of 2040	1808	wmpts64.exe	86
PID 1808 wrote to memory of 2040	1808	wmpts64.exe	86
PID 1808 wrote to memory of 2040	1808	wmpts64.exe	86
PID 1808 wrote to memory of 2040	1808	wmpts64.exe	86
PID 2040 wrote to memory of 3436	2040	wmpts64.exe	56
PID 2040 wrote to memory of 3436	2040	wmpts64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4680
- - C:\Users\Admin\AppData\Local\Temp\da3b3abdafffdf7c1e753adb04ac050d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\da3b3abdafffdf7c1e753adb04ac050d_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:2084
  - - C:\Windows\SysWOW64\wmpts64.exe
      "C:\Windows\SysWOW64\wmpts64.exe" C:\Users\Admin\AppData\Local\Temp\DA3B3A~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1808
    - - C:\Windows\SysWOW64\wmpts64.exe
        
        "C:\Windows\SysWOW64\wmpts64.exe" C:\Users\Admin\AppData\Local\Temp\DA3B3A~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:2040

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\wmpts64.exe

Filesize
180KB

MD5
da3b3abdafffdf7c1e753adb04ac050d

SHA1
5f12a97ec90418047f135d746ec36f778ce1e2ef

SHA256
bb2e9955dc4978105b509db18d0e3d461b842233a820b1c3f2b4a98fa565b48a

SHA512
1a68e27497d4eeb0607983d134cbd265057ec601bb269036b76b8a5bc2e86ed1a720959df35b4397d8677eab09d9e59d9891ec6f5438cb13a8776bd378f731ba

Download Submit
memory/2040-46-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2040-45-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2040-44-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2040-43-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2040-47-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2040-51-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2040-58-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2084-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2084-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2084-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2084-38-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2084-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads