Analysis

  • max time kernel
    23s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:15

General

  • Target

    ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419.dll

  • Size

    172KB

  • MD5

    940bedbdcb2a290c137cd51b5f0df1ba

  • SHA1

    007a4d435ca8b0b97beb05d21b66d3ccb8c15710

  • SHA256

    ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419

  • SHA512

    72862c8494cb9b3c0509de96042ad9645c5c7d8e619ed8028456155f309e134e35b90531293003de6e69eccf25649602f0fb944bd8e8d8911e083d029e41725d

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\ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca450d30095eff1a4a04c68f86dbfa1d0983dddea5cb3c1760f171b0d5ed0419.dll,#1
      2⤵
        PID:912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2016

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/912-115-0x0000000074440000-0x0000000074470000-memory.dmp

            Filesize

            192KB

          • memory/912-117-0x0000000002A10000-0x0000000002B5A000-memory.dmp

            Filesize

            1.3MB