Analysis

  • max time kernel
    116s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 02:20

General

  • Target

    a8f7047868b5196dce1bfd18cfc51ef40207d7bea48493da1116f9f2e8cfe2fc.dll

  • Size

    162KB

  • MD5

    63b1945d257fe3bb8f140413ad105f8d

  • SHA1

    a6d7be374ee1a60612a59eff279b89aaf9b7b75e

  • SHA256

    a8f7047868b5196dce1bfd18cfc51ef40207d7bea48493da1116f9f2e8cfe2fc

  • SHA512

    1636fb91e7cb9dcfe3ae450ca756f57bad5b9e4b28053f90480f419da5a0363f79c497bfb9ebfc07eff866f2ca6b6400503490aa0b36684f1b392b1c3185f879

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\a8f7047868b5196dce1bfd18cfc51ef40207d7bea48493da1116f9f2e8cfe2fc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8f7047868b5196dce1bfd18cfc51ef40207d7bea48493da1116f9f2e8cfe2fc.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:672

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/672-114-0x0000000000000000-mapping.dmp

  • memory/672-115-0x00000000741E0000-0x000000007420E000-memory.dmp

    Filesize

    184KB

  • memory/672-117-0x0000000000790000-0x0000000000796000-memory.dmp

    Filesize

    24KB