Analysis

  • max time kernel
    47s
  • max time network
    55s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 15:24

General

  • Target

    9469fe14b5f4c7793c9a4096707130cbd3d4105a76d8fdf5102ec478535a2164.dll

  • Size

    162KB

  • MD5

    3df6db2fd6ca30703f550cd3e2b9df79

  • SHA1

    e5a23572cd9538206c5a37ac739c53618bd66c4a

  • SHA256

    9469fe14b5f4c7793c9a4096707130cbd3d4105a76d8fdf5102ec478535a2164

  • SHA512

    a08371714aa7fc7c868a4c9aed91380837974641dce09fe4363bd40d690ab94bc8633287e388c449e1c8da23b8b3de68351cce4f7ce6183abbe0d002ff892309

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\9469fe14b5f4c7793c9a4096707130cbd3d4105a76d8fdf5102ec478535a2164.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9469fe14b5f4c7793c9a4096707130cbd3d4105a76d8fdf5102ec478535a2164.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1704

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1704-114-0x0000000000000000-mapping.dmp

  • memory/1704-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

    Filesize

    184KB

  • memory/1704-117-0x0000000000C50000-0x0000000000C56000-memory.dmp

    Filesize

    24KB