Analysis

  • max time kernel
    26s
  • max time network
    69s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    24-06-2021 15:31

General

  • Target

    0a8955f2c32ff3f7a58c01813969f8befe54b1b441ee6434c966bda1aed74495.dll

  • Size

    158KB

  • MD5

    5b49767656ed179e93d8dbcc3905ce0a

  • SHA1

    39eb0f5e8ef9f9b5088db32d4deffc8e9ce37eb5

  • SHA256

    0a8955f2c32ff3f7a58c01813969f8befe54b1b441ee6434c966bda1aed74495

  • SHA512

    a08926fba429feefb8a4fcfe428c7f3284943112ba6abf7472bcde1842a7b71125b89280be1b335935a819e3a767a2f899088bb7a8b364bf8b353b6685c6b4ab

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\0a8955f2c32ff3f7a58c01813969f8befe54b1b441ee6434c966bda1aed74495.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a8955f2c32ff3f7a58c01813969f8befe54b1b441ee6434c966bda1aed74495.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1548-114-0x0000000000000000-mapping.dmp
  • memory/1548-115-0x0000000074160000-0x000000007418D000-memory.dmp
    Filesize

    180KB

  • memory/1548-117-0x00000000008B0000-0x00000000008B6000-memory.dmp
    Filesize

    24KB