Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 09:06

General

  • Target

    b7cd6202c99c76938131f4d810f47afc_JaffaCakes118.exe

  • Size

    427KB

  • MD5

    b7cd6202c99c76938131f4d810f47afc

  • SHA1

    b221f4ddc88469c85b051cc7c4ef91025b36f5c3

  • SHA256

    ef99b57cc60d6e12de093bfc7b28284c7e455cabff981de54d0eac27a33567b3

  • SHA512

    a6178cead6aba981c15f322d117145cbbebce7f8973facf886d18f141dacb7b3590dd3bb036a44afe2af445f2343cbd3ca1d598082c68bfb68ef0aa990944f2d

  • SSDEEP

    6144:ry1rQWoTTDq/yMv0SzQvq6H/ibgtoAdGteh:ry5QLTDq/yMvPsv7Hac3f

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

91.105.94.200:80

51.38.124.206:80

38.88.126.202:8080

54.37.42.48:8080

189.2.177.210:443

181.30.61.163:443

185.178.10.77:80

199.203.62.165:80

177.73.0.98:443

87.106.46.107:8080

5.196.35.138:7080

5.189.178.202:8080

185.183.16.47:80

78.249.119.122:80

191.182.6.118:80

96.227.52.8:443

186.103.141.250:443

50.28.51.143:8080

111.67.12.221:8080

50.121.220.50:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet payload 5 IoCs

    Detects Emotet payload in memory.

  • Executes dropped EXE 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: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7cd6202c99c76938131f4d810f47afc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b7cd6202c99c76938131f4d810f47afc_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Windows\SysWOW64\perfmon\rtmpltfm.exe
      "C:\Windows\SysWOW64\perfmon\rtmpltfm.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:4376
  • 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=4108,i,8998666007764333392,14724298544432336038,262144 --variations-seed-version --mojo-platform-channel-handle=4464 /prefetch:8
    1⤵
      PID:1240

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\perfmon\rtmpltfm.exe
      Filesize

      427KB

      MD5

      b7cd6202c99c76938131f4d810f47afc

      SHA1

      b221f4ddc88469c85b051cc7c4ef91025b36f5c3

      SHA256

      ef99b57cc60d6e12de093bfc7b28284c7e455cabff981de54d0eac27a33567b3

      SHA512

      a6178cead6aba981c15f322d117145cbbebce7f8973facf886d18f141dacb7b3590dd3bb036a44afe2af445f2343cbd3ca1d598082c68bfb68ef0aa990944f2d

    • memory/1444-4-0x0000000002240000-0x0000000002250000-memory.dmp
      Filesize

      64KB

    • memory/1444-0-0x0000000002220000-0x0000000002232000-memory.dmp
      Filesize

      72KB

    • memory/1444-7-0x0000000000630000-0x000000000063F000-memory.dmp
      Filesize

      60KB

    • memory/1444-9-0x0000000000400000-0x0000000000471000-memory.dmp
      Filesize

      452KB

    • memory/4376-14-0x0000000000630000-0x0000000000640000-memory.dmp
      Filesize

      64KB

    • memory/4376-10-0x0000000000610000-0x0000000000622000-memory.dmp
      Filesize

      72KB