Analysis

  • max time kernel
    54s
  • max time network
    71s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-03-2023 23:08

General

  • Target

    73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2.vbs

  • Size

    89KB

  • MD5

    7559f0ff4f7e58ed031fe0b4438f4c57

  • SHA1

    e2225573a8877c057319e10029fd85b0a51375a8

  • SHA256

    73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2

  • SHA512

    252d0a52c3b7bca5ea56a14c7ad1e27967b03e3dccfc3b8d79b8e1c474ed625937719af314e74f62583c708b45b937091e8fae7f1e40e56bf261d0f839f94e4a

  • SSDEEP

    384:6/EHPbchpdLrwUkRI8K5mAX3E53EnoUyd4989GgFWfYyLxgaHxixxOD/n3FiSf+y:6/EKr9ka8yZrgGayLpbng5s6n96

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Script User-Agent 3 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //E:vbscript C:\Users\Admin\AppData\Local\Temp\rad9880B0CABdarradACA69F815dar.txt
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\System32\regsvr32.exe
        "C:\Windows\System32\regsvr32.exe" "C:\Users\Admin\AppData\Local\Temp\radFBE2FF178dar\HPKhTEMLxAwWRn14Bn9w1Sj9aW00.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3920
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\OJrSMSyWPhoaTC\nwcJ.dll"
          4⤵
            PID:1436

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\rad9880B0CABdarradACA69F815dar.txt

      Filesize

      61KB

      MD5

      958eb4fa0bfca295216cd6027977fcb8

      SHA1

      0bc88fb4229a73152b2c33750dd5b5be52fcf287

      SHA256

      9b32ca5d8a34ae2351bc68500fb6929468c42d0ddda53fba5676410beab6d498

      SHA512

      4e4e2d84ce82eaa222180e86a2feaa7fdb19108d227ca922c69d30e30ef1ed463c41d540c25f604edd04be86f8490ae8570d2b67a97e0f9f45d048954d32787f

    • C:\Users\Admin\AppData\Local\Temp\radEB4A5.tmp.zip

      Filesize

      951KB

      MD5

      95b5f04629c06a72e7e2c29cfc17e516

      SHA1

      54839f5f979b2da57294666ab15f9acd9359fbb9

      SHA256

      92c64767f9e6e0fb2e0d880f835f16b12e21fbc00b2c6cc87c0e6a07bbe0d156

      SHA512

      bf4a73243c95f88de75dff18e72887975639ae483d1f52d564d17f1df8b43167237f00e4851833adb055c5ee58617042b27504ba9b706156a030b9d92abded4e

    • C:\Users\Admin\AppData\Local\Temp\radFBE2FF178dar\HPKhTEMLxAwWRn14Bn9w1Sj9aW00.dll

      Filesize

      511.9MB

      MD5

      0586fe01aea41856828a347dddf2121c

      SHA1

      3b3183691cede18ff4a8b35104c3dcc99c2583f8

      SHA256

      c8a777959691f310d36c30f18f10f523be55fe55c86f7d3b556bd31ebb5d6126

      SHA512

      37b99147f938426c81bd0628c99775ca8b94667bf4a2eab5660e301e01cad348c2552f74e9cdb97994e1f29aa7cd30d4c83e294f9e01a445034177f174a71c79

    • \Users\Admin\AppData\Local\Temp\radFBE2FF178dar\HPKhTEMLxAwWRn14Bn9w1Sj9aW00.dll

      Filesize

      511.9MB

      MD5

      0586fe01aea41856828a347dddf2121c

      SHA1

      3b3183691cede18ff4a8b35104c3dcc99c2583f8

      SHA256

      c8a777959691f310d36c30f18f10f523be55fe55c86f7d3b556bd31ebb5d6126

      SHA512

      37b99147f938426c81bd0628c99775ca8b94667bf4a2eab5660e301e01cad348c2552f74e9cdb97994e1f29aa7cd30d4c83e294f9e01a445034177f174a71c79

    • memory/1648-154-0x00000247B75E0000-0x00000247B7671000-memory.dmp

      Filesize

      580KB

    • memory/1648-156-0x00000247B75E0000-0x00000247B7671000-memory.dmp

      Filesize

      580KB

    • memory/3920-147-0x0000000002BD0000-0x0000000002C2A000-memory.dmp

      Filesize

      360KB

    • memory/3920-153-0x00000000010E0000-0x00000000010E1000-memory.dmp

      Filesize

      4KB