Analysis

  • max time kernel
    25s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 05:29

General

  • Target

    984045416c07534a84206d8817f3287bdb3516ec867d31c13845d2d371cde5b7.dll

  • Size

    162KB

  • MD5

    b06911d3754e7d5313c200a9eb37e0e6

  • SHA1

    40d8ad0895fe11eb0c5e6bf8dd9352d3b49595ce

  • SHA256

    984045416c07534a84206d8817f3287bdb3516ec867d31c13845d2d371cde5b7

  • SHA512

    00bc8e04f75a810ad2be177d89c9e98538f35876a021e17b996330ec6d58e57809d46ac897f69c1936260e715ed09c4356e1a5155fb34af57a5769cefcd00c50

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\984045416c07534a84206d8817f3287bdb3516ec867d31c13845d2d371cde5b7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\984045416c07534a84206d8817f3287bdb3516ec867d31c13845d2d371cde5b7.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:5056

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/5056-114-0x0000000000000000-mapping.dmp

  • memory/5056-115-0x0000000073880000-0x00000000738AE000-memory.dmp

    Filesize

    184KB

  • memory/5056-117-0x0000000001210000-0x0000000001216000-memory.dmp

    Filesize

    24KB