Analysis

  • max time kernel
    19s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 08:34

General

  • Target

    3617dac248e0783b259254812b9da7c2e0424e9b5b3f650a2adb4783fec79ddb.dll

  • Size

    162KB

  • MD5

    5506f09baca74721b5009ed12efb1da0

  • SHA1

    f493f12b42c95d28833b682dab37d0777b131834

  • SHA256

    3617dac248e0783b259254812b9da7c2e0424e9b5b3f650a2adb4783fec79ddb

  • SHA512

    6c3e15a5749e9aed7998749b2289192f004c9b3f933b0174c9f6010750d74381cdca06ad1fcc817500e4e686bee95a4ecf1bba13d7bb7ebcc44825a52a8feed0

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\3617dac248e0783b259254812b9da7c2e0424e9b5b3f650a2adb4783fec79ddb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3617dac248e0783b259254812b9da7c2e0424e9b5b3f650a2adb4783fec79ddb.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/744-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

    Filesize

    184KB

  • memory/744-117-0x0000000002F50000-0x0000000002FFE000-memory.dmp

    Filesize

    696KB