Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 14:08

General

  • Target

    0e4fa3071823b8e65092384b5e04d85ea8a7258b634fff53e3b4536feb1dabeb.dll

  • Size

    158KB

  • MD5

    70a9a65c700ce93b0e99de26cc902698

  • SHA1

    3cb169d4d0d64414330252e7f3bcd4cdf2f77acb

  • SHA256

    0e4fa3071823b8e65092384b5e04d85ea8a7258b634fff53e3b4536feb1dabeb

  • SHA512

    e0ca96cf319876f88c9324983f0b253d3900ccfcb7dbb17ab05a0b782ecb4fafc53877b7024f915e2ce3114100b612c6388fbb10922ff837388e9e28db625f96

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\0e4fa3071823b8e65092384b5e04d85ea8a7258b634fff53e3b4536feb1dabeb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e4fa3071823b8e65092384b5e04d85ea8a7258b634fff53e3b4536feb1dabeb.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2448-114-0x0000000000000000-mapping.dmp

  • memory/2448-115-0x0000000073990000-0x00000000739BD000-memory.dmp

    Filesize

    180KB

  • memory/2448-117-0x0000000000F30000-0x000000000107A000-memory.dmp

    Filesize

    1.3MB