Analysis

  • max time kernel
    7s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    21-01-2021 18:22

General

  • Target

    1b870dab19a3650ab790037ae327b7cb.exe.dll

  • Size

    371KB

  • MD5

    1b870dab19a3650ab790037ae327b7cb

  • SHA1

    3fd3d813417c0872d1a1374439351dd53500a024

  • SHA256

    642ab82c74a436b00f64a17174e23f40a64b721b6128e80a70e3cbffc7d3424a

  • SHA512

    707779597690d2178622be05956a2bf49456dd63f70cfba6e03971fdcb4179e754d3a1a725dd08768c8bd91333e1e3d113e791b726ed198b2c7b6175bd4f5087

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

194.225.58.214:443

211.110.44.63:5353

69.164.207.140:3388

198.57.200.100:3786

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1b870dab19a3650ab790037ae327b7cb.exe.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\1b870dab19a3650ab790037ae327b7cb.exe.dll
      2⤵
        PID:1252

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1068-2-0x000007FEFBE81000-0x000007FEFBE83000-memory.dmp
      Filesize

      8KB

    • memory/1252-3-0x0000000000000000-mapping.dmp
    • memory/1252-4-0x00000000756C1000-0x00000000756C3000-memory.dmp
      Filesize

      8KB

    • memory/1252-5-0x0000000000930000-0x000000000096D000-memory.dmp
      Filesize

      244KB

    • memory/1252-6-0x0000000000220000-0x0000000000221000-memory.dmp
      Filesize

      4KB

    • memory/1252-7-0x0000000000930000-0x00000000009A5000-memory.dmp
      Filesize

      468KB

    • memory/1596-8-0x000007FEF77D0000-0x000007FEF7A4A000-memory.dmp
      Filesize

      2.5MB