Analysis

  • max time kernel
    28s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:10

General

  • Target

    829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713.dll

  • Size

    172KB

  • MD5

    f28d96b9b4ac8a1ffda1afa73c98775d

  • SHA1

    4ceb2476cbae5c0c87de53d986700951d564291b

  • SHA256

    829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713

  • SHA512

    b169ebb702cf700acf4395e9437bf782a004ac9f867ca7e0ceea33ece3d05df1fdee16c820eb18de92f801def1ef69e20706ea1ffdfb0ffb62eab7a3daad00e4

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\829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\829112dcfed307b908e7e38896f923600c3e2d9be0e0f80d6d2524ccd2a40713.dll,#1
      2⤵
        PID:432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1368

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/432-115-0x0000000074400000-0x0000000074430000-memory.dmp

            Filesize

            192KB

          • memory/432-117-0x00000000003F0000-0x00000000003F6000-memory.dmp

            Filesize

            24KB