Analysis

  • max time kernel
    25s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-06-2021 08:34

General

  • Target

    d4d64655a9386b53565bedaea8c2a06bd0a5975b9918e3eb9f6a34ad43fa3227.dll

  • Size

    162KB

  • MD5

    2983f132fb2f90970b71cbf6e912a147

  • SHA1

    bc414310fab7c8a8c7b2366dab572ec14187d187

  • SHA256

    d4d64655a9386b53565bedaea8c2a06bd0a5975b9918e3eb9f6a34ad43fa3227

  • SHA512

    502b02c03856bb77d9060d0c1774828dc045d2d2baf2c833bc745671ed68351e7e0f8646af287f100aac91a5dfcc5c4c2b7e5881d63f227b86ddd2dfabcbb517

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\d4d64655a9386b53565bedaea8c2a06bd0a5975b9918e3eb9f6a34ad43fa3227.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4d64655a9386b53565bedaea8c2a06bd0a5975b9918e3eb9f6a34ad43fa3227.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4016-115-0x0000000073560000-0x000000007358E000-memory.dmp

    Filesize

    184KB

  • memory/4016-117-0x0000000001070000-0x0000000001076000-memory.dmp

    Filesize

    24KB