Analysis

  • max time kernel
    133s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    12-07-2024 02:57

General

  • Target

    3bbd1005751afe77958e3c2fbc703ba1_JaffaCakes118.dll

  • Size

    346KB

  • MD5

    3bbd1005751afe77958e3c2fbc703ba1

  • SHA1

    419e670108c6a11752c30288d644d558d71160bc

  • SHA256

    dfc71bb44e01e7fcb006e64cbd5f65ae23bc1095319319cc586532f804d90c66

  • SHA512

    17e2dc7c64bfa6be428957d4b6fa010968cfb608d03611d62ff18d4d759627b3bfe49ff4cff5a544846029e53ce5d26c6be547828218b94aa1e0759cd87673a8

  • SSDEEP

    3072:082jpiC2JG7HZb7XWQml/jz8A4diTE90Q6kF4CKAYRkcj:v2L7HN7Kl/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.

  • Blocklisted process makes network request 6 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bbd1005751afe77958e3c2fbc703ba1_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bbd1005751afe77958e3c2fbc703ba1_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2524
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hpwkx\ksyw.rxo",cUGcMwgEQE
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2380
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hpwkx\ksyw.rxo",#1
          4⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          PID:624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/624-6-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/624-7-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/624-8-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/2380-4-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/2380-3-0x0000000010000000-0x000000001005D000-memory.dmp

    Filesize

    372KB

  • memory/2380-5-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/2524-1-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/2524-0-0x0000000000140000-0x0000000000161000-memory.dmp

    Filesize

    132KB

  • memory/2524-2-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB