metasploit | 7234f4c8d899cceae7cab8e87c8b501a9bc70545ed376c3c6676b77153e4aafc

General

Target

e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
Size

264KB
MD5

e6bf913938f1534b14ad418567d39d06
SHA1

5c5676472e7d702c7eaeafe0c79bd8a9aa35b85a
SHA256

7234f4c8d899cceae7cab8e87c8b501a9bc70545ed376c3c6676b77153e4aafc
SHA512

48bfff86736e4ca205b6e5b469ed8aea629d73aad3482374e31d074dad89409034b76f39bda266b74d8cd554f74195d19ed039409207486a514ba418ab295ac9
SSDEEP

6144:iDkoxj/IyB8NFUtNIj5eNbeN9eNBNyN2rkS2:FaB8NFUQccmTEh

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	wmpvc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpvc32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpvc32.exe = "C:\\Windows\\SysWOW64\\wmpvc32.exe:*:Enabled:Windows iMedia Client"	wmpvc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpvc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpvc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpvc32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpvc32.exe = "C:\\Windows\\SysWOW64\\wmpvc32.exe:*:Enabled:Windows iMedia Client"	wmpvc32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpvc32.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	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3244	wmpvc32.exe

Executes dropped EXE 2 IoCs

pid	Process
2580	wmpvc32.exe
3244	wmpvc32.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4400-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4400-2-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4400-3-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4400-4-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4400-5-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/4400-40-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3244-45-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3244-46-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3244-47-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3244-48-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3244-50-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3244-51-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3244-62-0x0000000000400000-0x0000000000467000-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 iMedia Client = "C:\\Windows\\SysWOW64\\wmpvc32.exe"	wmpvc32.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	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpvc32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpvc32.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpvc32.exe	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpvc32.exe	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpvc32.exe
File opened for modification	C:\Windows\SysWOW64\wmpvc32.exe	wmpvc32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3352 set thread context of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 2580 set thread context of 3244	2580	wmpvc32.exe	93

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	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpvc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpvc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4400	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
4400	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
4400	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
4400	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe
3244	wmpvc32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 3352 wrote to memory of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 3352 wrote to memory of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 3352 wrote to memory of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 3352 wrote to memory of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 3352 wrote to memory of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 3352 wrote to memory of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 3352 wrote to memory of 4400	3352	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	87
PID 4400 wrote to memory of 2580	4400	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	90
PID 4400 wrote to memory of 2580	4400	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	90
PID 4400 wrote to memory of 2580	4400	e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe	90
PID 2580 wrote to memory of 3244	2580	wmpvc32.exe	93
PID 2580 wrote to memory of 3244	2580	wmpvc32.exe	93
PID 2580 wrote to memory of 3244	2580	wmpvc32.exe	93
PID 2580 wrote to memory of 3244	2580	wmpvc32.exe	93
PID 2580 wrote to memory of 3244	2580	wmpvc32.exe	93
PID 2580 wrote to memory of 3244	2580	wmpvc32.exe	93
PID 2580 wrote to memory of 3244	2580	wmpvc32.exe	93
PID 2580 wrote to memory of 3244	2580	wmpvc32.exe	93
PID 3244 wrote to memory of 3380	3244	wmpvc32.exe	55
PID 3244 wrote to memory of 3380	3244	wmpvc32.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3380
- C:\Users\Admin\AppData\Local\Temp\e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3352
- - C:\Users\Admin\AppData\Local\Temp\e6bf913938f1534b14ad418567d39d06_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e6bf913938f1534b14ad418567d39d06_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:4400
  - - C:\Windows\SysWOW64\wmpvc32.exe
      "C:\Windows\SysWOW64\wmpvc32.exe" C:\Users\Admin\AppData\Local\Temp\E6BF91~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2580
    - - C:\Windows\SysWOW64\wmpvc32.exe
        
        "C:\Windows\SysWOW64\wmpvc32.exe" C:\Users\Admin\AppData\Local\Temp\E6BF91~1.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:3244

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\wmpvc32.exe

Filesize
264KB

MD5
e6bf913938f1534b14ad418567d39d06

SHA1
5c5676472e7d702c7eaeafe0c79bd8a9aa35b85a

SHA256
7234f4c8d899cceae7cab8e87c8b501a9bc70545ed376c3c6676b77153e4aafc

SHA512
48bfff86736e4ca205b6e5b469ed8aea629d73aad3482374e31d074dad89409034b76f39bda266b74d8cd554f74195d19ed039409207486a514ba418ab295ac9

Download Submit
memory/3244-46-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3244-62-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3244-51-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3244-50-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3244-48-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3244-47-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3244-45-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4400-4-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4400-40-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4400-5-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4400-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4400-3-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4400-2-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads