Analysis

  • max time kernel
    19s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    24-06-2021 19:33

General

  • Target

    15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55.dll

  • Size

    158KB

  • MD5

    dc3a7e8c2af10806d6a408fcb719b513

  • SHA1

    13f3b1e338432e1e9d7b55c8c2bfee9507480af9

  • SHA256

    15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55

  • SHA512

    51fbf1d39f3a9efbf66f35c5899be3704111dd61216eee81a5c4ea610864fc6a6e24f0f75a38fd1585f1e0d9b72d899e0e140bce1113d727fbef19b42238d297

Malware Config

Extracted

Family

dridex

Botnet

40111

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\15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4024-114-0x0000000000000000-mapping.dmp

  • memory/4024-115-0x0000000073A70000-0x0000000073A9D000-memory.dmp

    Filesize

    180KB

  • memory/4024-117-0x0000000004960000-0x0000000004966000-memory.dmp

    Filesize

    24KB