Analysis

  • max time kernel
    18s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 05:36

General

  • Target

    30a3bddc0ad5613ba2144beec6cb590ec7da58fa2b10b38afb79d7ed8406953d.dll

  • Size

    158KB

  • MD5

    a2354c4d75a4c1d4f4f38666e3b6ce96

  • SHA1

    be79c744089ea1c9564f5333ea722a40d1e4cb79

  • SHA256

    30a3bddc0ad5613ba2144beec6cb590ec7da58fa2b10b38afb79d7ed8406953d

  • SHA512

    bf8c4411262a19eb222e0ebe11e3bd61ab3d6fb808b0cdb519208b912e205bf357a2cb9a88f59433bea0420671b9afb6227ffdfb3ded7afb8a23ac4ea01a1b70

Malware Config

Extracted

Family

dridex

Botnet

40112

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\30a3bddc0ad5613ba2144beec6cb590ec7da58fa2b10b38afb79d7ed8406953d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\30a3bddc0ad5613ba2144beec6cb590ec7da58fa2b10b38afb79d7ed8406953d.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4080-114-0x0000000000000000-mapping.dmp

  • memory/4080-115-0x00000000755E0000-0x000000007560D000-memory.dmp

    Filesize

    180KB

  • memory/4080-117-0x0000000003260000-0x0000000003266000-memory.dmp

    Filesize

    24KB