Analysis

  • max time kernel
    25s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-06-2021 01:18

General

  • Target

    2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f.dll

  • Size

    158KB

  • MD5

    ad5cf7fa1bfcf6452f5ad9783f023354

  • SHA1

    b681346fafec4177f69a0394beaeecc136970561

  • SHA256

    2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f

  • SHA512

    ca8ff199a17220955e77b86244e91ec61ee25c30d471a0ab3b268392ce5edbc69ffbe876f24b26eb5de9786174f38d0332ba4bb00925ae2b5b1d58aaec4bcdd8

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2639bb06d78c8682b2010957de9f14f3c343e54255ca2f30599651c2041abd1f.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1332

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1332-114-0x0000000000000000-mapping.dmp

  • memory/1332-115-0x0000000074450000-0x000000007447D000-memory.dmp

    Filesize

    180KB

  • memory/1332-117-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB