Analysis

  • max time kernel
    26s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-06-2021 10:35

General

  • Target

    4854fa152bed474f777ee51f794afd9dbd7081f9103532969941a80fd90009a1.dll

  • Size

    162KB

  • MD5

    23036caa66c3d024f22b71ba923b7928

  • SHA1

    9c782f1d971ac4e694e0e46229a20083b298d569

  • SHA256

    4854fa152bed474f777ee51f794afd9dbd7081f9103532969941a80fd90009a1

  • SHA512

    8b1a8d9ba6026ce04d695431a984678ddf042820ae30afe5274e1d81347b876b2efd84e1e4baa3b2f1a61f1f3b9dffbee2cf0fd299b380ff3bb04d50a9b719e4

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\4854fa152bed474f777ee51f794afd9dbd7081f9103532969941a80fd90009a1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4854fa152bed474f777ee51f794afd9dbd7081f9103532969941a80fd90009a1.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1316

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1316-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

    Filesize

    184KB

  • memory/1316-117-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

    Filesize

    24KB