Analysis

  • max time kernel
    18s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 00:54

General

  • Target

    cb929607b8b70a3fd4ffd86bc72661e75c3a7c998cabba219a0c50f022697b05.dll

  • Size

    162KB

  • MD5

    dc1a956a1d655dff22511dec39b8c9b9

  • SHA1

    ed9377814e75656727aaa39375702cc3d61624b5

  • SHA256

    cb929607b8b70a3fd4ffd86bc72661e75c3a7c998cabba219a0c50f022697b05

  • SHA512

    d27a3e66be5839da943e56aca3591dd658bdf7094361f759e20fba7cc6893869cfdce8889cea2178101a05f150020bd5a2b7d19f468224a82c32de6cf3792b16

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\cb929607b8b70a3fd4ffd86bc72661e75c3a7c998cabba219a0c50f022697b05.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb929607b8b70a3fd4ffd86bc72661e75c3a7c998cabba219a0c50f022697b05.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3368

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3368-114-0x0000000000000000-mapping.dmp

  • memory/3368-115-0x0000000073A90000-0x0000000073ABE000-memory.dmp

    Filesize

    184KB

  • memory/3368-117-0x0000000003080000-0x0000000003086000-memory.dmp

    Filesize

    24KB