Analysis

  • max time kernel
    30s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 18:18

General

  • Target

    6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92.dll

  • Size

    154KB

  • MD5

    826f49984d09f9bacaa176dc8038934e

  • SHA1

    1d4880beb9d4200c9e36604591bc4c286ddaf080

  • SHA256

    6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92

  • SHA512

    11bdd8c3445f785cdc011e4b6a6057723625cdddebe19fe82a11617efd89fe2d455b4b9bc535ef816f38675ef7a2afaab6c077685a8f3b3e4ffa5d5671fecdfd

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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\6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6297bef1641cb6470c4c790f75088a766a10ad581c73a955a9bd06b60e368a92.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/784-114-0x0000000000000000-mapping.dmp

  • memory/784-115-0x0000000073560000-0x000000007358D000-memory.dmp

    Filesize

    180KB

  • memory/784-117-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB