17ea5a10338cd0a5621d450c64959977d35e28de00c2b6a3ae522f1de68b509d

General
Target

17ea5a10338cd0a5621d450c64959977d35e28de00c2b6a3ae522f1de68b509d.dll

Filesize

653KB

Completed

25-11-2021 16:43

Score
10/10
MD5

2adc296faf865c8f6ac898b878c2ba9d

SHA1

f7ac2d79749b8ade5484b0c6152989609f97a16e

SHA256

17ea5a10338cd0a5621d450c64959977d35e28de00c2b6a3ae522f1de68b509d

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 6

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
  • Blocklisted process makes network request
    rundll32.exe

    Reported IOCs

    flowpidprocess
    131180rundll32.exe
    141180rundll32.exe
  • Modifies registry class
    FileSyncConfig.exe

    Reported IOCs

    descriptioniocprocess
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAGFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDERFileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\SysWow64\\shell32.dll"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_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-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525"FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICONFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBagFileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\FolderValueFlags = "40"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolderFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InstanceFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBagFileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolder\Attributes = "4034920525"FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INSTANCE\INITPROPERTYBAGFileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\TargetKnownFolder = "{a52bba46-e9e1-435f-b3d9-28daa648c0f6}"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ShellFolderFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIconFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SHELLFOLDERFileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32\ = "%systemroot%\\system32\\shell32.dll"FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\OneDrive\\OneDrive.exe,0"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InstanceFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DEFAULTICONFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\SortOrderIndex = "66"FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\System.IsPinnedToNameSpaceTree = "1"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InstanceFileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\CLSID = "{0E5AAE11-A475-4c5b-AB00-C66DE400274E}"FileSyncConfig.exe
    Set value (int)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\InitPropertyBag\Attributes = "17"FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InProcServer32FileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\DefaultIconFileSyncConfig.exe
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\InstanceFileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}FileSyncConfig.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\ = "OneDrive"FileSyncConfig.exe
    Key deleted\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_CLASSES\WOW6432NODE\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\INPROCSERVER32FileSyncConfig.exe
  • Suspicious behavior: EnumeratesProcesses
    rundll32.exe

    Reported IOCs

    pidprocess
    1180rundll32.exe
    1180rundll32.exe
  • Suspicious use of WriteProcessMemory
    rundll32.exerundll32.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 3216 wrote to memory of 13443216rundll32.exerundll32.exe
    PID 3216 wrote to memory of 13443216rundll32.exerundll32.exe
    PID 3216 wrote to memory of 13443216rundll32.exerundll32.exe
    PID 1344 wrote to memory of 11801344rundll32.exerundll32.exe
    PID 1344 wrote to memory of 11801344rundll32.exerundll32.exe
    PID 1344 wrote to memory of 11801344rundll32.exerundll32.exe
Processes 4
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\17ea5a10338cd0a5621d450c64959977d35e28de00c2b6a3ae522f1de68b509d.dll,#1
    Suspicious use of WriteProcessMemory
    PID:3216
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\17ea5a10338cd0a5621d450c64959977d35e28de00c2b6a3ae522f1de68b509d.dll,#1
      Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\17ea5a10338cd0a5621d450c64959977d35e28de00c2b6a3ae522f1de68b509d.dll",Control_RunDLL
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        PID:1180
  • 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:2160
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/1180-132-0x00000000057B0000-0x00000000057D8000-memory.dmp

                        • memory/1180-135-0x0000000005890000-0x00000000058B8000-memory.dmp

                        • memory/1180-122-0x0000000000000000-mapping.dmp

                        • memory/1180-123-0x0000000003550000-0x0000000003578000-memory.dmp

                        • memory/1180-126-0x0000000005050000-0x0000000005078000-memory.dmp

                        • memory/1180-129-0x00000000055B0000-0x00000000055D8000-memory.dmp

                        • memory/1180-138-0x0000000005970000-0x0000000005998000-memory.dmp

                        • memory/1180-141-0x0000000005A50000-0x0000000005A78000-memory.dmp

                        • memory/1344-118-0x0000000000000000-mapping.dmp

                        • memory/1344-119-0x0000000004880000-0x00000000048A8000-memory.dmp