Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 12:06

General

  • Target

    34b2a7f7fabadc0bdbc76d87bedee47482d8e742d9ca9d46bbf65d5223bf4208.dll

  • Size

    170KB

  • MD5

    3ee777e6223d128847877c2a0eb4f5f1

  • SHA1

    933c9f31927fb026f3e3750395e9809aefd3fd15

  • SHA256

    34b2a7f7fabadc0bdbc76d87bedee47482d8e742d9ca9d46bbf65d5223bf4208

  • SHA512

    5dcab71e388e478b6a65d6c69e828fc238b8f52f5f6df73f6b93e4e89b6aece1010cf00f54b141edd7e5a114f670334a615fb113c4ee0660af5983ffceacda1c

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\34b2a7f7fabadc0bdbc76d87bedee47482d8e742d9ca9d46bbf65d5223bf4208.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3400
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\34b2a7f7fabadc0bdbc76d87bedee47482d8e742d9ca9d46bbf65d5223bf4208.dll,#1
      2⤵
        PID:796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3092

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/796-115-0x00000000742B0000-0x00000000742E0000-memory.dmp

            Filesize

            192KB

          • memory/796-117-0x00000000034C0000-0x00000000034C6000-memory.dmp

            Filesize

            24KB