Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 19:36

General

  • Target

    47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe

  • Size

    112KB

  • MD5

    47b42763b8924366892f4b2fade77a80

  • SHA1

    332fd3a8fa4bb3a2c3470e1d24a7f7cc717af9d7

  • SHA256

    b00f2be1a391c8016a196d3ef21fd2729c4597a34f1c3be817d47377338a0d72

  • SHA512

    7e937a43ec94a3ee4e9010c27da36fd589e5aa9a7965682d7c5be1391a481bf31b472235f097bd59634e0e9c6b66710913c73d3c3535417ab8b06c6caef271d8

  • SSDEEP

    1536:mRNW04otWYPMOoUtTGCQxvEBN7KyXA3Ygi/xzmNubly7L3RhCs:17oE/OoUtyCQxvEiISi5JIL3RhD

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.192.39.136:80

5.189.168.53:8080

162.241.41.111:7080

190.85.46.52:7080

190.190.15.20:80

181.95.133.104:80

41.212.89.128:80

115.176.16.221:80

143.95.101.72:8080

75.127.14.170:8080

116.202.10.123:8080

74.208.173.91:8080

103.93.220.182:80

50.116.78.109:8080

67.121.104.51:20

180.26.62.115:443

139.59.12.63:8080

76.18.16.210:80

113.161.148.81:80

5.79.70.250:8080

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 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3144
    • C:\Windows\SysWOW64\ReAgentc\iernonce.exe
      "C:\Windows\SysWOW64\ReAgentc\iernonce.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2720
  • 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 --no-appcompat-clear --field-trial-handle=3608,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4372 /prefetch:8
    1⤵
      PID:748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\ReAgentc\iernonce.exe

      Filesize

      112KB

      MD5

      47b42763b8924366892f4b2fade77a80

      SHA1

      332fd3a8fa4bb3a2c3470e1d24a7f7cc717af9d7

      SHA256

      b00f2be1a391c8016a196d3ef21fd2729c4597a34f1c3be817d47377338a0d72

      SHA512

      7e937a43ec94a3ee4e9010c27da36fd589e5aa9a7965682d7c5be1391a481bf31b472235f097bd59634e0e9c6b66710913c73d3c3535417ab8b06c6caef271d8

    • memory/2720-14-0x00000000005E0000-0x00000000005F0000-memory.dmp

      Filesize

      64KB

    • memory/2720-10-0x00000000004A0000-0x00000000004B2000-memory.dmp

      Filesize

      72KB

    • memory/3144-4-0x0000000002080000-0x0000000002090000-memory.dmp

      Filesize

      64KB

    • memory/3144-0-0x0000000002060000-0x0000000002072000-memory.dmp

      Filesize

      72KB

    • memory/3144-7-0x0000000002050000-0x000000000205F000-memory.dmp

      Filesize

      60KB

    • memory/3144-9-0x0000000000400000-0x000000000041D000-memory.dmp

      Filesize

      116KB