Analysis

  • max time kernel
    19s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:23

General

  • Target

    b3d78d6c21ea50d5650cdde99862d23328ebbdb3019cca41459e79a6664c3316.dll

  • Size

    162KB

  • MD5

    5fb3d6d275df0f082f42b1f01a38f523

  • SHA1

    f08be6594eaf18946057557e0646875ef673936e

  • SHA256

    b3d78d6c21ea50d5650cdde99862d23328ebbdb3019cca41459e79a6664c3316

  • SHA512

    5ede950c70e99e57758fd9431ec6928035438a5e0fb3c94503ddc3ecca5c6f82c13ff02ed4d51bcf36d391dc2e20558a6db81d0f635cbc326eda5629e0c71573

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3d78d6c21ea50d5650cdde99862d23328ebbdb3019cca41459e79a6664c3316.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3d78d6c21ea50d5650cdde99862d23328ebbdb3019cca41459e79a6664c3316.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3568

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3568-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

          Filesize

          184KB

        • memory/3568-117-0x0000000000860000-0x0000000000866000-memory.dmp

          Filesize

          24KB