Analysis

  • max time kernel
    18s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 03:56

General

  • Target

    ef35f528722916db01b20edf18e46d5dd310648c0d290336fd4043986a1044e6.dll

  • Size

    162KB

  • MD5

    6720f95aeda7afe4582238bd2ae35c3f

  • SHA1

    818d350113d9dea384b56afc496b08dc66d02604

  • SHA256

    ef35f528722916db01b20edf18e46d5dd310648c0d290336fd4043986a1044e6

  • SHA512

    26979e357959033bf186ae720598e9324f603dcc50e73408d753b6ae6a35c87a028a4816e97771379b369db86f5d110575f5468e88ea853f088947287e79ed10

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\ef35f528722916db01b20edf18e46d5dd310648c0d290336fd4043986a1044e6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef35f528722916db01b20edf18e46d5dd310648c0d290336fd4043986a1044e6.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1692-114-0x0000000000000000-mapping.dmp

  • memory/1692-115-0x0000000073860000-0x000000007388E000-memory.dmp

    Filesize

    184KB

  • memory/1692-117-0x0000000000760000-0x0000000000766000-memory.dmp

    Filesize

    24KB