metasploit | 6469257a7bb40ac7312229078cafb35ec4044a1b5f9dcf255a624cb40ea25a74

General

Target

3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
Size

196KB
MD5

3d01a2c0972594a2898057ad30a376f2
SHA1

8115a2d868a3344bc42bd35c1ea708d42b6f2688
SHA256

6469257a7bb40ac7312229078cafb35ec4044a1b5f9dcf255a624cb40ea25a74
SHA512

065943ed4392d1d19e4f791de3330f58e713816e42e640e1a8b79b62f60b6a05e43ea32c7dfc2dff9644a7bc8ae07d932e732dac79fe84292cd90662ac7737fd
SSDEEP

3072:eghTbMgf0EoPlojtCSq8DOAHRVfWKrEdhkalqs07aXtm77:rSwCbx8DOEVfWKyhkz37R7

Score

10^/10

metasploit backdoor 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	wmpdf32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdf32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdf32.exe = "C:\\Windows\\SysWOW64\\wmpdf32.exe:*:Enabled:Windows Database Server"	wmpdf32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdf32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdf32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdf32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdf32.exe = "C:\\Windows\\SysWOW64\\wmpdf32.exe:*:Enabled:Windows Database Server"	wmpdf32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdf32.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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2632	wmpdf32.exe

Executes dropped EXE 2 IoCs

pid	Process
4848	wmpdf32.exe
2632	wmpdf32.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2896-1-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2896-4-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2896-5-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2896-6-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2632-49-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2896-47-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2632-51-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2632-52-0x0000000000400000-0x0000000000455000-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 Database Server = "C:\\Windows\\SysWOW64\\wmpdf32.exe"	wmpdf32.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	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wmpdf32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdf32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdf32.exe	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdf32.exe	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdf32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4656 set thread context of 2896	4656	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	86
PID 4848 set thread context of 2632	4848	wmpdf32.exe	88

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2896	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
2896	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
2896	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
2896	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
2632	wmpdf32.exe
2632	wmpdf32.exe
2632	wmpdf32.exe
2632	wmpdf32.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2896	4656	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	86
PID 4656 wrote to memory of 2896	4656	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	86
PID 4656 wrote to memory of 2896	4656	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	86
PID 4656 wrote to memory of 2896	4656	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	86
PID 4656 wrote to memory of 2896	4656	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	86
PID 4656 wrote to memory of 2896	4656	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	86
PID 4656 wrote to memory of 2896	4656	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	86
PID 2896 wrote to memory of 4848	2896	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	87
PID 2896 wrote to memory of 4848	2896	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	87
PID 2896 wrote to memory of 4848	2896	3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe	87
PID 4848 wrote to memory of 2632	4848	wmpdf32.exe	88
PID 4848 wrote to memory of 2632	4848	wmpdf32.exe	88
PID 4848 wrote to memory of 2632	4848	wmpdf32.exe	88
PID 4848 wrote to memory of 2632	4848	wmpdf32.exe	88
PID 4848 wrote to memory of 2632	4848	wmpdf32.exe	88
PID 4848 wrote to memory of 2632	4848	wmpdf32.exe	88
PID 4848 wrote to memory of 2632	4848	wmpdf32.exe	88

C:\Users\Admin\AppData\Local\Temp\3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Users\Admin\AppData\Local\Temp\3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3d01a2c0972594a2898057ad30a376f2_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Maps connected drives based on registry
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\wmpdf32.exe
    "C:\Windows\SysWOW64\wmpdf32.exe" C:\Users\Admin\AppData\Local\Temp\3D01A2~1.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4848
  - - C:\Windows\SysWOW64\wmpdf32.exe
      "C:\Windows\SysWOW64\wmpdf32.exe" C:\Users\Admin\AppData\Local\Temp\3D01A2~1.EXE
      4⤵
      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
      Suspicious behavior: EnumeratesProcesses
      PID:2632

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\wmpdf32.exe

Filesize
196KB

MD5
3d01a2c0972594a2898057ad30a376f2

SHA1
8115a2d868a3344bc42bd35c1ea708d42b6f2688

SHA256
6469257a7bb40ac7312229078cafb35ec4044a1b5f9dcf255a624cb40ea25a74

SHA512
065943ed4392d1d19e4f791de3330f58e713816e42e640e1a8b79b62f60b6a05e43ea32c7dfc2dff9644a7bc8ae07d932e732dac79fe84292cd90662ac7737fd

Download Submit
memory/2632-49-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2632-51-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2632-52-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2896-4-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2896-5-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2896-6-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2896-1-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2896-47-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4656-3-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4656-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4848-39-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4848-48-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads