Analysis

  • max time kernel
    31s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 18:18

General

  • Target

    62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f.dll

  • Size

    154KB

  • MD5

    f1b95da047e9797b34bb20498cb32dbb

  • SHA1

    a0df1168c07ad52a5aa9c7b5ca9dd7e43bce88e8

  • SHA256

    62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f

  • SHA512

    c3c1cb5f93305ba7831215442df04748e5eb2344ad489747f7ad0a3a6a8696dd6b260cea90e7e293bfa9cd15b63cf99c9f6e1265d142bf0657be4f49e205d683

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:616

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/616-61-0x0000000076A81000-0x0000000076A83000-memory.dmp
    Filesize

    8KB

  • memory/616-60-0x0000000000000000-mapping.dmp
  • memory/616-62-0x0000000075410000-0x000000007543D000-memory.dmp
    Filesize

    180KB

  • memory/616-64-0x0000000000190000-0x0000000000196000-memory.dmp
    Filesize

    24KB