Analysis

  • max time kernel
    19s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 07:59

General

  • Target

    651a3f642c756a172e4c37eafaaeca44c6f0696ad28d4fc9918fb28ef01abc44.dll

  • Size

    162KB

  • MD5

    0ae706072c04060fc204acc011ef939d

  • SHA1

    dc709c496e4d21d544d8a27d9203dd6ad48ba373

  • SHA256

    651a3f642c756a172e4c37eafaaeca44c6f0696ad28d4fc9918fb28ef01abc44

  • SHA512

    58ee2a43921655fbb2235da373d986f7e9a15ae4a098201da2ca167cd098975053a58d6d3b5ee2bdbfb96adf4a32b9d5e28bb85b42ad7a6ee17893ebc6143447

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\651a3f642c756a172e4c37eafaaeca44c6f0696ad28d4fc9918fb28ef01abc44.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\651a3f642c756a172e4c37eafaaeca44c6f0696ad28d4fc9918fb28ef01abc44.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1692-114-0x0000000000000000-mapping.dmp

  • memory/1692-115-0x0000000073860000-0x000000007388E000-memory.dmp

    Filesize

    184KB

  • memory/1692-117-0x0000000003200000-0x000000000334A000-memory.dmp

    Filesize

    1.3MB