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Analysis

  • max time kernel
    134s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/04/2024, 16:38

General

  • Target

    01335a7251e3f4149ad15111a4fcaf1a_JaffaCakes118.exe

  • Size

    667KB

  • MD5

    01335a7251e3f4149ad15111a4fcaf1a

  • SHA1

    a161dbee6f350e841b2b98ce5a7187d0e108a967

  • SHA256

    3fa959ac8f2e0b9322cd71c7631c6ef810a50d208d0e8128f4b71a743b7850ca

  • SHA512

    34e3894ff2cfcc71b639463bdfb80294e41c7f2eeb6b95afef8c131a8746bcba3d122cf11f3b6a17c639201731386354007ee3cbd7207b5010b051ab0055cf4b

  • SSDEEP

    12288:76JJG//tnC5VCFSoDpaQlHfl6mCiWDaBMNCCbnG:76J6/tniVNoDgQVN6mCip9CbG

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

202.22.141.45:80

37.187.161.206:8080

202.29.239.162:443

80.87.201.221:7080

82.76.111.249:443

216.47.196.104:80

192.241.143.52:8080

192.81.38.31:80

87.106.253.248:8080

64.201.88.132:80

192.241.146.84:8080

12.162.84.2:8080

1.226.84.243:8080

177.129.17.170:443

202.134.4.210:7080

70.169.17.134:80

152.169.22.67:80

5.196.35.138:7080

138.97.60.141:7080

203.205.28.68:80

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\01335a7251e3f4149ad15111a4fcaf1a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01335a7251e3f4149ad15111a4fcaf1a_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\Windows.Management.Workplace\WMASF.exe
      "C:\Windows\SysWOW64\Windows.Management.Workplace\WMASF.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Windows.Management.Workplace\WMASF.exe

    Filesize

    667KB

    MD5

    01335a7251e3f4149ad15111a4fcaf1a

    SHA1

    a161dbee6f350e841b2b98ce5a7187d0e108a967

    SHA256

    3fa959ac8f2e0b9322cd71c7631c6ef810a50d208d0e8128f4b71a743b7850ca

    SHA512

    34e3894ff2cfcc71b639463bdfb80294e41c7f2eeb6b95afef8c131a8746bcba3d122cf11f3b6a17c639201731386354007ee3cbd7207b5010b051ab0055cf4b

  • memory/1716-10-0x0000000000680000-0x0000000000692000-memory.dmp

    Filesize

    72KB

  • memory/1716-14-0x00000000006A0000-0x00000000006B0000-memory.dmp

    Filesize

    64KB

  • memory/2848-4-0x0000000002100000-0x0000000002110000-memory.dmp

    Filesize

    64KB

  • memory/2848-0-0x00000000020E0000-0x00000000020F2000-memory.dmp

    Filesize

    72KB

  • memory/2848-7-0x00000000020C0000-0x00000000020CF000-memory.dmp

    Filesize

    60KB

  • memory/2848-9-0x0000000000400000-0x00000000004AC000-memory.dmp

    Filesize

    688KB