Analysis

  • max time kernel
    25s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:28

General

  • Target

    4155519c90f7fe79feba01e654f4926bda9e7a13603ea2a75300e29cb251e75b.dll

  • Size

    170KB

  • MD5

    a57abb471c8f4e6b59b42a5292dc289a

  • SHA1

    eec8d18237f735c00deb4499292562f1690a1106

  • SHA256

    4155519c90f7fe79feba01e654f4926bda9e7a13603ea2a75300e29cb251e75b

  • SHA512

    41a6a26551fa4b729da6097893e88639b5f85ef2e650ef51843f4fb391f175c3eff9ff55b283c9dbd2371db89a1cf8f66404da0ee0cdae4351e677527bdc0eaf

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\4155519c90f7fe79feba01e654f4926bda9e7a13603ea2a75300e29cb251e75b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4155519c90f7fe79feba01e654f4926bda9e7a13603ea2a75300e29cb251e75b.dll,#1
      2⤵
        PID:1260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2532

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1260-117-0x0000000003200000-0x000000000334A000-memory.dmp

            Filesize

            1.3MB

          • memory/1260-115-0x00000000735F0000-0x0000000073620000-memory.dmp

            Filesize

            192KB