Analysis

  • max time kernel
    18s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 10:54

General

  • Target

    2b459189cc4871b2c4c48e178743f65c962284f602070dbab804de647760423b.dll

  • Size

    162KB

  • MD5

    bc1ba4899a4090b62966350a912eddda

  • SHA1

    5518c9eb9c66d309627481863fa9c3d84ac308b2

  • SHA256

    2b459189cc4871b2c4c48e178743f65c962284f602070dbab804de647760423b

  • SHA512

    3a8c10073f3d09f619adae40e3f7d36acbed020565fe84970524b34dc4842783d2b66210168cc251d68b67f786204287c79836b834bd2bba5349596b2530f162

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\2b459189cc4871b2c4c48e178743f65c962284f602070dbab804de647760423b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b459189cc4871b2c4c48e178743f65c962284f602070dbab804de647760423b.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3488

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3488-115-0x0000000074090000-0x00000000740BE000-memory.dmp

    Filesize

    184KB

  • memory/3488-117-0x0000000000B50000-0x0000000000C9A000-memory.dmp

    Filesize

    1.3MB