Analysis

  • max time kernel
    26s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 08:31

General

  • Target

    e6e7e174eb434608d328b5d9a75f6e083665e9361cbb6f083d1b49f854870fc7.dll

  • Size

    162KB

  • MD5

    1dbe69af4363e945b6e63a0605fa2667

  • SHA1

    8072bf4e6b665caf45adc3e0b90affe690bd0bf8

  • SHA256

    e6e7e174eb434608d328b5d9a75f6e083665e9361cbb6f083d1b49f854870fc7

  • SHA512

    b5b7c81cf793c71ffebbbf4d8de8a77eb628f02e0ef6c9ae2f7e66867f69dedd61abf59ef42470c9b8b3419063bfac3b33e526e23ce3181309ff506fb86d6c48

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\e6e7e174eb434608d328b5d9a75f6e083665e9361cbb6f083d1b49f854870fc7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e6e7e174eb434608d328b5d9a75f6e083665e9361cbb6f083d1b49f854870fc7.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1452

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1452-114-0x0000000000000000-mapping.dmp

  • memory/1452-115-0x0000000073D90000-0x0000000073DBE000-memory.dmp

    Filesize

    184KB

  • memory/1452-117-0x0000000000D40000-0x0000000000E8A000-memory.dmp

    Filesize

    1.3MB