Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 06:30

General

  • Target

    ad5c457378c8c9a12b18fe3b654eba7b3d45e99af79c356d7811c405f8996ff0.dll

  • Size

    162KB

  • MD5

    799c58db1ee51c589accd5d6e16c2425

  • SHA1

    aeb150138d7e471210ae9cd64b9c22ccadd41d9d

  • SHA256

    ad5c457378c8c9a12b18fe3b654eba7b3d45e99af79c356d7811c405f8996ff0

  • SHA512

    f2f3ff0a7e4be32f6541c137990057e91619c4aa57e152ea2867110f1471ad741d150ea88a61cf565ceac376621322340546a9afdf67dbac3db266f51554a4e5

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\ad5c457378c8c9a12b18fe3b654eba7b3d45e99af79c356d7811c405f8996ff0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad5c457378c8c9a12b18fe3b654eba7b3d45e99af79c356d7811c405f8996ff0.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4068-114-0x0000000000000000-mapping.dmp

  • memory/4068-115-0x00000000755E0000-0x000000007560E000-memory.dmp

    Filesize

    184KB

  • memory/4068-117-0x0000000000510000-0x00000000005BE000-memory.dmp

    Filesize

    696KB