Analysis

  • max time kernel
    26s
  • max time network
    89s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:46

General

  • Target

    b5714bcca34cedf65b05c46d7b7bf3647d677328ff2b0fb19a5a47888957c479.dll

  • Size

    172KB

  • MD5

    687505dfd8a81b7007e3e8e0a5355be6

  • SHA1

    9a114a1a7c5e06efcb3f6afd7ea3b30391311d0c

  • SHA256

    b5714bcca34cedf65b05c46d7b7bf3647d677328ff2b0fb19a5a47888957c479

  • SHA512

    f130b8562d581b160e5ae40e52aa311075083a4fd09d3ca2973a7861016cb52b55a3a9313db1b86d316d4a81996320d7de3f681e61cf4c5ddb01d15a6d0410ba

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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\b5714bcca34cedf65b05c46d7b7bf3647d677328ff2b0fb19a5a47888957c479.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5714bcca34cedf65b05c46d7b7bf3647d677328ff2b0fb19a5a47888957c479.dll,#1
      2⤵
        PID:1028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:940

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1028-115-0x0000000074350000-0x0000000074380000-memory.dmp

            Filesize

            192KB

          • memory/1028-117-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

            Filesize

            24KB