Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 05:23

General

  • Target

    b2bc0189aabca107f0d993e9e248bc015640d538bc95abd6fb4d1571e687ea7a.dll

  • Size

    158KB

  • MD5

    280cc54e30fd60ce61295b814b35fe7e

  • SHA1

    e6d2579f0e703070708c6433966b9393e4db22f4

  • SHA256

    b2bc0189aabca107f0d993e9e248bc015640d538bc95abd6fb4d1571e687ea7a

  • SHA512

    92fb37d0e4f24140f0141fc516abf11cc249d1de2fe03f11e144f38d903a4b19e0a02fa9e93b8a863ca27d4672987962a52823e132d431d85c135fb51181a2e5

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\b2bc0189aabca107f0d993e9e248bc015640d538bc95abd6fb4d1571e687ea7a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2bc0189aabca107f0d993e9e248bc015640d538bc95abd6fb4d1571e687ea7a.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3436

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3436-115-0x0000000073F20000-0x0000000073F4D000-memory.dmp

    Filesize

    180KB

  • memory/3436-117-0x0000000002E00000-0x0000000002F4A000-memory.dmp

    Filesize

    1.3MB