Analysis

  • max time kernel
    129s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 13:43

General

  • Target

    7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20.dll

  • Size

    162KB

  • MD5

    bcc3213b2a94695052ee2768e8ed4b1e

  • SHA1

    11eac24d87b3635598f8b166654f92ec38454333

  • SHA256

    7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20

  • SHA512

    fffd5290f41fa705473488603b1badaf18ac951b5d029af234cd83c7d19703d54993302638af6d30b04214032239de3f495d8fc777785ec8e9a090398e222048

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\7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1480-114-0x0000000000000000-mapping.dmp

  • memory/1480-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

    Filesize

    184KB

  • memory/1480-117-0x0000000000AC0000-0x0000000000C0A000-memory.dmp

    Filesize

    1.3MB