Analysis

  • max time kernel
    18s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 04:31

General

  • Target

    3b3f54946ea7c41d1fae7683d6a5f10d5a6d6f4048c15f961aaabb0fb4b3c9ff.dll

  • Size

    162KB

  • MD5

    f0b6a53eacda70c2427e54f39fb830fb

  • SHA1

    3bcfe18fcab3e581b42c36ea6cec4f51b1f211e0

  • SHA256

    3b3f54946ea7c41d1fae7683d6a5f10d5a6d6f4048c15f961aaabb0fb4b3c9ff

  • SHA512

    7308b55df40b90384349e0640b725ea482cb67fb0059a545a9d0fe31b62f639f171aa37e3d15532b0392b81c16cfc1dc48777025a6faae0855f9e69cc428ab6d

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\3b3f54946ea7c41d1fae7683d6a5f10d5a6d6f4048c15f961aaabb0fb4b3c9ff.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b3f54946ea7c41d1fae7683d6a5f10d5a6d6f4048c15f961aaabb0fb4b3c9ff.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3964-115-0x0000000073860000-0x000000007388E000-memory.dmp

    Filesize

    184KB

  • memory/3964-117-0x00000000008B0000-0x00000000008B6000-memory.dmp

    Filesize

    24KB