Analysis

  • max time kernel
    19s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 07:33

General

  • Target

    b6124d6acf57d811c2b5bee9057ec0e9cf519e720a9415e971d5dff2b53603c0.dll

  • Size

    162KB

  • MD5

    ad37c1d2facd700c1b8fffbb8ca68149

  • SHA1

    275d4d7245d7c0a19511580f2bd1e95bb348503c

  • SHA256

    b6124d6acf57d811c2b5bee9057ec0e9cf519e720a9415e971d5dff2b53603c0

  • SHA512

    b6b91a068b5d402bce5339d06bb9cf27a92700d7fc38154896355a1ade00b13dd487198359abeba78e02be29824b91a841d2808b1c0b0ab3cc9b72f50d6aecc2

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\b6124d6acf57d811c2b5bee9057ec0e9cf519e720a9415e971d5dff2b53603c0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6124d6acf57d811c2b5bee9057ec0e9cf519e720a9415e971d5dff2b53603c0.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/912-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

    Filesize

    184KB

  • memory/912-117-0x00000000012D0000-0x00000000012D6000-memory.dmp

    Filesize

    24KB