Analysis

  • max time kernel
    142s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 20:12

General

  • Target

    31d060ab2873bd0c217da7d17400f787_JaffaCakes118.dll

  • Size

    346KB

  • MD5

    31d060ab2873bd0c217da7d17400f787

  • SHA1

    7026da5aafe6b77245aa1d9f5c12498e315ab969

  • SHA256

    7cdf0eef4dacb00265500ffec402bab59bfca773c3228460b8bc118ed91e6fed

  • SHA512

    7cd72420f32703ff70f45adc18c735a56a92c0300793acf5b187681093154141f9f030eb1ff5b608a42d338bf24f9e31241b2e5500f136c4c6aa6c24978c8957

  • SSDEEP

    3072:P82jpiC2JG7HZb7XWQml/jz8A4diTE90Q6kF4CKAYRkcj:k2L7HN7Kl/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\31d060ab2873bd0c217da7d17400f787_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\31d060ab2873bd0c217da7d17400f787_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Nxfvbbqufuf\vcevdkkrtf.qkn",zYjDqABMmgKOIJf
        3⤵
        • Loads dropped DLL
        PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\Nxfvbbqufuf\vcevdkkrtf.qkn

    Filesize

    346KB

    MD5

    31d060ab2873bd0c217da7d17400f787

    SHA1

    7026da5aafe6b77245aa1d9f5c12498e315ab969

    SHA256

    7cdf0eef4dacb00265500ffec402bab59bfca773c3228460b8bc118ed91e6fed

    SHA512

    7cd72420f32703ff70f45adc18c735a56a92c0300793acf5b187681093154141f9f030eb1ff5b608a42d338bf24f9e31241b2e5500f136c4c6aa6c24978c8957

  • memory/1348-0-0x0000000001350000-0x0000000001371000-memory.dmp

    Filesize

    132KB

  • memory/1348-1-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/1348-3-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB