Analysis

  • max time kernel
    19s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 02:20

General

  • Target

    1dfc3be13d7346260d840f957f939057d629d50594a34c305aaf9f2b045ce7fd.dll

  • Size

    162KB

  • MD5

    280d6163c31da1d35238cd3aa03e0fa0

  • SHA1

    65a4a2a376a7599549dddbd9f0cb861d42bf9d4f

  • SHA256

    1dfc3be13d7346260d840f957f939057d629d50594a34c305aaf9f2b045ce7fd

  • SHA512

    4f8e69ea45859213a34ebd390f74cc4a78f057ee5a5e51d0e1a616e9107ee85ae179331ac9eccabe3b33a3297c3f45c3c0d17a1d5405e41c3714c1eda7bc0240

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\1dfc3be13d7346260d840f957f939057d629d50594a34c305aaf9f2b045ce7fd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1dfc3be13d7346260d840f957f939057d629d50594a34c305aaf9f2b045ce7fd.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/684-114-0x0000000000000000-mapping.dmp

  • memory/684-115-0x0000000073B80000-0x0000000073BAE000-memory.dmp

    Filesize

    184KB

  • memory/684-117-0x0000000002E60000-0x0000000002F0E000-memory.dmp

    Filesize

    696KB