Analysis

  • max time kernel
    19s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 07:38

General

  • Target

    1f835d0d9eeb88f25d8d87d00bf6c0afe0d3a99189d8b53c1f78afdde2e00301.dll

  • Size

    158KB

  • MD5

    aabdee9d6e7dd86a603d8ad7b79defc5

  • SHA1

    971da3fee7f1645aea28a1f0ca3b827bcd0192a7

  • SHA256

    1f835d0d9eeb88f25d8d87d00bf6c0afe0d3a99189d8b53c1f78afdde2e00301

  • SHA512

    d02e50df72cccd8c2b8610360e2ace9cc50cea6fc4ce9b55db84d20017d31cf943c955c50d142fe2f105c54ef05ad4a46d0bd0dd1dca7e1886382785fcaf1c37

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\1f835d0d9eeb88f25d8d87d00bf6c0afe0d3a99189d8b53c1f78afdde2e00301.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f835d0d9eeb88f25d8d87d00bf6c0afe0d3a99189d8b53c1f78afdde2e00301.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4460

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4460-114-0x0000000000000000-mapping.dmp

  • memory/4460-115-0x0000000073820000-0x000000007384D000-memory.dmp

    Filesize

    180KB

  • memory/4460-117-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB