Analysis

  • max time kernel
    25s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-06-2021 11:21

General

  • Target

    cd9cd75b4e21d0d3b22a48545096be011b871b3d72fc599247e6f1ed937f1165.dll

  • Size

    158KB

  • MD5

    0c9ee542dad85419f80c0c4321fe05a7

  • SHA1

    c0b6d4c929e757df4082d432a9a803cf087a5c3c

  • SHA256

    cd9cd75b4e21d0d3b22a48545096be011b871b3d72fc599247e6f1ed937f1165

  • SHA512

    eb164743e62122828673dbfcd4f63047f41b02818e24e95e8deec6638c7e6edc38e5cd35cf3ec058a7ef744075a13e1752a9c626256a60844478087d350f2d0f

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\cd9cd75b4e21d0d3b22a48545096be011b871b3d72fc599247e6f1ed937f1165.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd9cd75b4e21d0d3b22a48545096be011b871b3d72fc599247e6f1ed937f1165.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1336-114-0x0000000000000000-mapping.dmp

  • memory/1336-115-0x0000000073F50000-0x0000000073F7D000-memory.dmp

    Filesize

    180KB

  • memory/1336-117-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

    Filesize

    24KB