Analysis

  • max time kernel
    28s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:08

General

  • Target

    57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9.dll

  • Size

    170KB

  • MD5

    8b02613f7dc1364318b0b767ae7f0cb9

  • SHA1

    bac04ceff2e315942f54dbde13b784f1739d4747

  • SHA256

    57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9

  • SHA512

    57d73dcbe0eb3fafc1ac96b0792d1faeeaf5c26c536ec412193eaea4a065027a6f1ca04867511b20bbb5ef8cb3dd713e1bca3b5bb3b37ac29d9f76cfcf948b8d

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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 behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\57e90ddf5f6695d5f87ab1b59f150cdec0d56fbc24e6ccfdfbcdde49a2d028c9.dll,#1
      2⤵
        PID:1324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 688
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3544

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/1324-115-0x00000000736D0000-0x0000000073700000-memory.dmp

            Filesize

            192KB

          • memory/1324-117-0x0000000000F20000-0x0000000000F26000-memory.dmp

            Filesize

            24KB