Analysis

  • max time kernel
    20s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 12:40

General

  • Target

    4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll

  • Size

    162KB

  • MD5

    ba3fc34bc6a24cba1fec0f5704e7ea1a

  • SHA1

    e741fee89f6ee53e37de7490e4456a9e84f8b604

  • SHA256

    4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede

  • SHA512

    5a03cf8a70be9278f1b4abb0f69018cc78633598d8005880a5c797b640b87fa8b4413d411ab2255070f73f62cc4c055c72e04e3d77ff40aa9f400b76ac6ee9e7

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\4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1828-115-0x0000000073660000-0x000000007368E000-memory.dmp

    Filesize

    184KB

  • memory/1828-117-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

    Filesize

    24KB