Analysis

  • max time kernel
    76s
  • max time network
    78s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 14:28

General

  • Target

    d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d.dll

  • Size

    161KB

  • MD5

    208d00a2b58eb99f7c5b5ce795ad401d

  • SHA1

    ffb62fb363c5e2e75acd2e9e1d7e760afbc260aa

  • SHA256

    d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d

  • SHA512

    37f903f7a24a2b941df7e56d3b1cf28a65a41843da26d1e82b864ed0febaf07193d98395614a27213b1ff76ce4ecb9e1b9b6c01c016c3f9b4162527f9515589b

Malware Config

Extracted

Family

dridex

Botnet

40111

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\d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1884-114-0x0000000000000000-mapping.dmp

  • memory/1884-115-0x0000000073B80000-0x0000000073BAE000-memory.dmp

    Filesize

    184KB

  • memory/1884-117-0x0000000000B50000-0x0000000000B56000-memory.dmp

    Filesize

    24KB