Analysis

  • max time kernel
    91s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-06-2022 14:54

General

  • Target

    Dridex_f546f0754cd26d16a43c495fb875760048fb227d9343b7e699befdfea7918547.dll

  • Size

    532KB

  • MD5

    bc329b4992dda3bb719ecc653ba0fb66

  • SHA1

    082963be9bdf6558e4a99bb0a7e97d4de15187e7

  • SHA256

    f546f0754cd26d16a43c495fb875760048fb227d9343b7e699befdfea7918547

  • SHA512

    549b784467d1e708939141c5bbaad740a3da1b4c3dad77a0523bc8bd2dbdf13bb04c484a7df35c49fb7dfd7a58c19f901c078bbec656ed254aab5b6d20d8a5ac

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

144.91.122.102:443

85.10.248.28:593

185.4.135.27:5228

80.211.3.13:8116

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dridex_f546f0754cd26d16a43c495fb875760048fb227d9343b7e699befdfea7918547.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dridex_f546f0754cd26d16a43c495fb875760048fb227d9343b7e699befdfea7918547.dll,#1
      2⤵
        PID:4668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4668 -s 624
          3⤵
          • Program crash
          PID:4648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4668 -ip 4668
      1⤵
        PID:4740

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4668-130-0x0000000000000000-mapping.dmp
      • memory/4668-131-0x0000000074DF0000-0x0000000074E77000-memory.dmp
        Filesize

        540KB

      • memory/4668-133-0x0000000001400000-0x0000000001406000-memory.dmp
        Filesize

        24KB