Analysis

  • max time kernel
    27s
  • max time network
    91s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-06-2021 10:26

General

  • Target

    c1c846b65c2ce4ce1e79e59ff0cac5680d7bd160818f9bf3519b8e25508266da.dll

  • Size

    158KB

  • MD5

    9403ff325a6de94fd8b34a559d59302f

  • SHA1

    d982347e62725872a45cd5e422ad262b3d31fbbd

  • SHA256

    c1c846b65c2ce4ce1e79e59ff0cac5680d7bd160818f9bf3519b8e25508266da

  • SHA512

    db93a19804773b9e118d523a0e2440a8e1553137c35ac1219be99cdaf68ab6ab4d20a7c965937bcdbf6c97d9c7cc24a1884872481c3258b0461189e161f144f6

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\c1c846b65c2ce4ce1e79e59ff0cac5680d7bd160818f9bf3519b8e25508266da.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1c846b65c2ce4ce1e79e59ff0cac5680d7bd160818f9bf3519b8e25508266da.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:296

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/296-115-0x0000000074450000-0x000000007447D000-memory.dmp

    Filesize

    180KB

  • memory/296-117-0x0000000002950000-0x00000000029FE000-memory.dmp

    Filesize

    696KB