744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef

General
Target

744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef.dll

Filesize

653KB

Completed

25-11-2021 16:46

Score
10/10
MD5

3a7aa09d816c291dff8ea1bd94bd1ecc

SHA1

2590bbbcefafa3253b7e2b0e105f9c2b22fecbdb

SHA256

744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef

Malware Config

Extracted

Family emotet
Botnet Epoch5
C2

51.178.61.60:443

168.197.250.14:80

45.79.33.48:8080

196.44.98.190:8080

177.72.80.14:7080

51.210.242.234:8080

185.148.169.10:8080

142.4.219.173:8080

78.47.204.80:443

78.46.73.125:443

37.44.244.177:8080

37.59.209.141:8080

191.252.103.16:80

54.38.242.185:443

85.214.67.203:8080

54.37.228.122:443

207.148.81.119:8080

195.77.239.39:8080

66.42.57.149:443

195.154.146.35:443

eck1.plain
ecs1.plain
Signatures 7

Filter: none

Persistence
  • Emotet

    Description

    Emotet is a trojan that is primarily spread through spam emails.

  • Registers COM server for autorun

    TTPs

    Registry Run Keys / Startup Folder
  • suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

    Description

    suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

    Tags

  • Blocklisted process makes network request
    rundll32.exe

    Reported IOCs

    flowpidprocess
    161052rundll32.exe
    181052rundll32.exe
  • Modifies registry class
    FileSyncConfig.exe

    Reported IOCs

    descriptioniocprocess
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDERFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe,0"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525"FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAGFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDERFileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40"FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICONFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\SysWow64\\shell32.dll"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InstanceFileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66"FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICONFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InstanceFileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBagFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAGFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\system32\\shell32.dll"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolderFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InstanceFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBagFileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe,0"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIconFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InstanceFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIconFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolderFileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32FileSyncConfig.exe
  • Suspicious behavior: EnumeratesProcesses
    rundll32.exe

    Reported IOCs

    pidprocess
    1052rundll32.exe
    1052rundll32.exe
  • Suspicious use of WriteProcessMemory
    rundll32.exerundll32.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 8 wrote to memory of 40248rundll32.exerundll32.exe
    PID 8 wrote to memory of 40248rundll32.exerundll32.exe
    PID 8 wrote to memory of 40248rundll32.exerundll32.exe
    PID 4024 wrote to memory of 10524024rundll32.exerundll32.exe
    PID 4024 wrote to memory of 10524024rundll32.exerundll32.exe
    PID 4024 wrote to memory of 10524024rundll32.exerundll32.exe
Processes 4
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef.dll,#1
    Suspicious use of WriteProcessMemory
    PID:8
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef.dll,#1
      Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\744160a31616a6400b6009a14f2c56b97889ac3cda44b22ebec4e1ad06279bef.dll",Control_RunDLL
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        PID:1052
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe
    "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe"
    Modifies registry class
    PID:320
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
          Discovery
            Execution
              Exfiltration
                Impact
                  Initial Access
                    Lateral Movement
                      Privilege Escalation
                        Replay Monitor
                        00:00 00:00
                        Downloads
                        • memory/1052-129-0x0000000004A10000-0x0000000004A38000-memory.dmp

                        • memory/1052-132-0x0000000004AF0000-0x0000000004B18000-memory.dmp

                        • memory/1052-119-0x0000000000000000-mapping.dmp

                        • memory/1052-120-0x0000000000C90000-0x0000000000CB8000-memory.dmp

                        • memory/1052-123-0x0000000001330000-0x0000000001358000-memory.dmp

                        • memory/1052-126-0x0000000004930000-0x0000000004958000-memory.dmp

                        • memory/1052-135-0x0000000004BD0000-0x0000000004BF8000-memory.dmp

                        • memory/1052-138-0x0000000004CD0000-0x0000000004CF8000-memory.dmp

                        • memory/4024-115-0x0000000000000000-mapping.dmp

                        • memory/4024-116-0x0000000000E20000-0x0000000000E48000-memory.dmp