Analysis

  • max time kernel
    26s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 08:59

General

  • Target

    065e5526b7684c9e2cea750fb53ad76dcc208e4dfd0033c81dcb35869e92749c.dll

  • Size

    162KB

  • MD5

    c990e76f4b587f69aab6f55058e2a1e1

  • SHA1

    059b0edbf1fe8fcb816176e9b4625bb51d46a09c

  • SHA256

    065e5526b7684c9e2cea750fb53ad76dcc208e4dfd0033c81dcb35869e92749c

  • SHA512

    f05d42023ded5f8beb23f0404ba4b0e1bf1bd0524b1e4f5d0a468cadf602f356cb896a1b49ccf934ecddad97a21f99e291e1d65bc14aede12c30611c4f65665d

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\065e5526b7684c9e2cea750fb53ad76dcc208e4dfd0033c81dcb35869e92749c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\065e5526b7684c9e2cea750fb53ad76dcc208e4dfd0033c81dcb35869e92749c.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4864-114-0x0000000000000000-mapping.dmp

  • memory/4864-115-0x0000000073880000-0x00000000738AE000-memory.dmp

    Filesize

    184KB

  • memory/4864-117-0x0000000000850000-0x000000000099A000-memory.dmp

    Filesize

    1.3MB