Analysis

  • max time kernel
    133s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2024 21:15

General

  • Target

    2dd3d159bf5e55168a4e35ac5e23ea70_JaffaCakes118.dll

  • Size

    346KB

  • MD5

    2dd3d159bf5e55168a4e35ac5e23ea70

  • SHA1

    f485ef3c033a9a8f37880d7cf19ccdf10229dc3d

  • SHA256

    d6db5786967bc747a5f2072b0071485c240a6a9689deb803afebcf22a35ad609

  • SHA512

    807f592e88e403990ae91651c7f274f9b2fe565f54adf9246539aa61382b860a5361a24a4aa76a796368d39c5a4983c149a715a5ea67d5d306e3343c270c1f88

  • SSDEEP

    3072:H82jpiC2JG7HZb7XWQml/jz8A4diTE90Q6kF4CKAYRkcj:c2L7HN7Kl/jLA90QECrYRpj

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

51.15.7.145:80

177.85.167.10:80

186.177.174.163:80

190.114.254.163:8080

185.183.16.47:80

149.202.72.142:7080

181.30.61.163:443

31.27.59.105:80

50.28.51.143:8080

68.183.190.199:8080

85.214.26.7:8080

137.74.106.111:7080

200.75.39.254:80

85.105.239.184:443

190.45.24.210:80

170.81.48.2:80

109.101.137.162:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2dd3d159bf5e55168a4e35ac5e23ea70_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2dd3d159bf5e55168a4e35ac5e23ea70_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Cdpnnvwkeuk\aunbgtbqxb.drz",gzgkLZffJ
        3⤵
        • Loads dropped DLL
        PID:1620
  • 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=4624,i,10426317566413639638,17907471819827662535,262144 --variations-seed-version --mojo-platform-channel-handle=4372 /prefetch:8
    1⤵
      PID:3756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\Cdpnnvwkeuk\aunbgtbqxb.drz

      Filesize

      346KB

      MD5

      2dd3d159bf5e55168a4e35ac5e23ea70

      SHA1

      f485ef3c033a9a8f37880d7cf19ccdf10229dc3d

      SHA256

      d6db5786967bc747a5f2072b0071485c240a6a9689deb803afebcf22a35ad609

      SHA512

      807f592e88e403990ae91651c7f274f9b2fe565f54adf9246539aa61382b860a5361a24a4aa76a796368d39c5a4983c149a715a5ea67d5d306e3343c270c1f88

    • memory/1732-0-0x0000000001310000-0x0000000001331000-memory.dmp

      Filesize

      132KB

    • memory/1732-1-0x0000000010000000-0x0000000010024000-memory.dmp

      Filesize

      144KB

    • memory/1732-3-0x0000000010000000-0x0000000010024000-memory.dmp

      Filesize

      144KB