metasploit | b85c62b6e68138d8acc4186a201a0109105af4cf93a108f22a6eb6d3a37bd096

General

Target

e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
Size

269KB
MD5

e2e6ebf0f78503b207c85bd91e038141
SHA1

4fcf4f0850c75ac3dd102a0bbec261fa3194bed0
SHA256

b85c62b6e68138d8acc4186a201a0109105af4cf93a108f22a6eb6d3a37bd096
SHA512

4fe0a97173357f77c0f6f5e5e08fff93afd16157a80d123429971156a61de8a14cbcec4a9873ad8d87a0b316cade197e5dcd52a372ca0b74fc1f854449d87211
SSDEEP

6144:2B09mVr7RLh8p5z2OCdULWvDTJlYhuKXPK5MAl/gB1:2BUYnRLh8f2f6WL1Oi9/g/

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdk86.exe = "C:\\Windows\\SysWOW64\\wmpdk86.exe:*:Enabled:Windows Data Controller"	wmpdk86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	wmpdk86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	wmpdk86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	wmpdk86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpdk86.exe = "C:\\Windows\\SysWOW64\\wmpdk86.exe:*:Enabled:Windows Data Controller"	wmpdk86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	wmpdk86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	wmpdk86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	wmpdk86.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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2164	wmpdk86.exe

Executes dropped EXE 2 IoCs

pid	Process
4416	wmpdk86.exe
2164	wmpdk86.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3820-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3820-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3820-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3820-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2164-44-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3820-43-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3820-45-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2164-47-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/2164-48-0x0000000000400000-0x000000000044C000-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 Data Controller = "C:\\Windows\\SysWOW64\\wmpdk86.exe"	wmpdk86.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	wmpdk86.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wmpdk86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wmpdk86.exe	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wmpdk86.exe	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\	wmpdk86.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3388 set thread context of 3820	3388	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	89
PID 4416 set thread context of 2164	4416	wmpdk86.exe	97

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	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdk86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmpdk86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3820	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
3820	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
3820	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
3820	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
2164	wmpdk86.exe
2164	wmpdk86.exe
2164	wmpdk86.exe
2164	wmpdk86.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3388 wrote to memory of 3820	3388	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	89
PID 3388 wrote to memory of 3820	3388	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	89
PID 3388 wrote to memory of 3820	3388	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	89
PID 3388 wrote to memory of 3820	3388	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	89
PID 3388 wrote to memory of 3820	3388	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	89
PID 3388 wrote to memory of 3820	3388	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	89
PID 3388 wrote to memory of 3820	3388	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	89
PID 3820 wrote to memory of 4416	3820	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	96
PID 3820 wrote to memory of 4416	3820	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	96
PID 3820 wrote to memory of 4416	3820	e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe	96
PID 4416 wrote to memory of 2164	4416	wmpdk86.exe	97
PID 4416 wrote to memory of 2164	4416	wmpdk86.exe	97
PID 4416 wrote to memory of 2164	4416	wmpdk86.exe	97
PID 4416 wrote to memory of 2164	4416	wmpdk86.exe	97
PID 4416 wrote to memory of 2164	4416	wmpdk86.exe	97
PID 4416 wrote to memory of 2164	4416	wmpdk86.exe	97
PID 4416 wrote to memory of 2164	4416	wmpdk86.exe	97
PID 2164 wrote to memory of 3440	2164	wmpdk86.exe	56
PID 2164 wrote to memory of 3440	2164	wmpdk86.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3440
- C:\Users\Admin\AppData\Local\Temp\e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3388
- - C:\Users\Admin\AppData\Local\Temp\e2e6ebf0f78503b207c85bd91e038141_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e2e6ebf0f78503b207c85bd91e038141_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:3820
  - - C:\Windows\SysWOW64\wmpdk86.exe
      "C:\Windows\SysWOW64\wmpdk86.exe" C:\Users\Admin\AppData\Local\Temp\E2E6EB~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4416
    - - C:\Windows\SysWOW64\wmpdk86.exe
        
        "C:\Windows\SysWOW64\wmpdk86.exe" C:\Users\Admin\AppData\Local\Temp\E2E6EB~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:2164

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:8
1⤵
PID:4548

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\wmpdk86.exe

Filesize
269KB

MD5
e2e6ebf0f78503b207c85bd91e038141

SHA1
4fcf4f0850c75ac3dd102a0bbec261fa3194bed0

SHA256
b85c62b6e68138d8acc4186a201a0109105af4cf93a108f22a6eb6d3a37bd096

SHA512
4fe0a97173357f77c0f6f5e5e08fff93afd16157a80d123429971156a61de8a14cbcec4a9873ad8d87a0b316cade197e5dcd52a372ca0b74fc1f854449d87211

Download Submit
memory/2164-44-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2164-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2164-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3820-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3820-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3820-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3820-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3820-43-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3820-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads