Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 02:54

General

  • Target

    cafb792cc450322885a82a48c59f9f5f58c58876963692dcff9f258f5bb6a11b.dll

  • Size

    162KB

  • MD5

    e208774c701cec356a7c3583e213dddd

  • SHA1

    00f7704bc305a13a4278a0e3c1a844aa433571aa

  • SHA256

    cafb792cc450322885a82a48c59f9f5f58c58876963692dcff9f258f5bb6a11b

  • SHA512

    20b26eaf85cff3dcdbe277d3aa7e9e510b03d5d2cf1c268d8df3f97325359f184adf9f7ee8e2779dbdfa9fb30a571024eadad8f5b95b9e3ed275661f55d7e01c

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\cafb792cc450322885a82a48c59f9f5f58c58876963692dcff9f258f5bb6a11b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cafb792cc450322885a82a48c59f9f5f58c58876963692dcff9f258f5bb6a11b.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/788-114-0x0000000000000000-mapping.dmp

  • memory/788-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

    Filesize

    184KB

  • memory/788-117-0x0000000003200000-0x00000000032AE000-memory.dmp

    Filesize

    696KB