Analysis

  • max time kernel
    91s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2023, 19:31

General

  • Target
    file.exe
  • Size 793KB
  • Sample230102-x8drpaba9t
  • SHA256 d8259dc862c48015701fa0d459375878b82e1fbc42aa68467ff46a491c5330da
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Program crash 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    PID:1812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 1316
      2⤵
      • Program crash
      PID:2988
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1812 -ip 1812
    1⤵
      PID:5104

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          freebl3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\freebl3.dll
          • Size 669KB
          • SHA256 a5396eba9d0564f4bcbafd5a8c4a4019b4b50a5c70a42aef5491a230d21f2922
          • MD5 SHA1 SHA512 SSDEEP

          mozglue.dll

          • Path C:\Users\Admin\AppData\Local\Temp\mozglue.dll
          • Size 627KB
          • SHA256 bcbf8c8ba4386b7716d5481ef9d089b9448990736d3eebdcfa611a09045c3ec3
          • MD5 SHA1 SHA512 SSDEEP

          nss3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nss3.dll
          • Size 2.0MB
          • SHA256 0bce97e8f6cc435250fb6aea0441e4146c7c8f8d90a9b1e76dfabd8701bfd882
          • MD5 SHA1 SHA512 SSDEEP

          softokn3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\softokn3.dll
          • Size 251KB
          • SHA256 c10801dba6c50237dba700fe2be920f091792e45c32e00db7c63c2c19a35f3a5
          • MD5 SHA1 SHA512 SSDEEP

          memory/1812-132-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          memory/1812-146-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          memory/1812-147-0x0000000061E00000-0x0000000061EF3000-memory.dmp