Analysis

  • max time kernel
    91s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2023 18:13

General

  • Target

    b171f2ead3f8742a1270463e0187d726a5094902269e4a41ed73b4e0f4dbd1ab.exe

  • Size

    292KB

  • MD5

    6a47ff8b979b94f4e07677fc044ecf23

  • SHA1

    3150b453c79266bf7048540060457b7228de3145

  • SHA256

    b171f2ead3f8742a1270463e0187d726a5094902269e4a41ed73b4e0f4dbd1ab

  • SHA512

    438a3a39160ff005bbea274711d781f1d72042592ad39faa1907c85dc4afafc49bc1378ac2982207ee340e6b589a5e063573a0fc4d65320a5f600237eb9fe949

  • SSDEEP

    6144:oLtYzs1Z6TSZgSB4mSdIYMDkcYu5DTG1nfkqLaezypLm9670Oj:ohYzCZ6TqV9YgkcL5HGldBKu65

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b171f2ead3f8742a1270463e0187d726a5094902269e4a41ed73b4e0f4dbd1ab.exe
    "C:\Users\Admin\AppData\Local\Temp\b171f2ead3f8742a1270463e0187d726a5094902269e4a41ed73b4e0f4dbd1ab.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 1256
      2⤵
      • Program crash
      PID:3204
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1080 -ip 1080
    1⤵
      PID:1664

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1080-132-0x00000000009EE000-0x0000000000A1C000-memory.dmp

      Filesize

      184KB

    • memory/1080-133-0x0000000002530000-0x000000000257B000-memory.dmp

      Filesize

      300KB

    • memory/1080-134-0x0000000000400000-0x0000000000767000-memory.dmp

      Filesize

      3.4MB

    • memory/1080-135-0x0000000004E90000-0x0000000005434000-memory.dmp

      Filesize

      5.6MB

    • memory/1080-136-0x00000000054A0000-0x0000000005AB8000-memory.dmp

      Filesize

      6.1MB

    • memory/1080-137-0x0000000005B40000-0x0000000005C4A000-memory.dmp

      Filesize

      1.0MB

    • memory/1080-138-0x0000000005C80000-0x0000000005C92000-memory.dmp

      Filesize

      72KB

    • memory/1080-139-0x0000000005CA0000-0x0000000005CDC000-memory.dmp

      Filesize

      240KB

    • memory/1080-140-0x0000000005F90000-0x0000000005FF6000-memory.dmp

      Filesize

      408KB

    • memory/1080-141-0x0000000006630000-0x00000000066C2000-memory.dmp

      Filesize

      584KB

    • memory/1080-142-0x0000000006720000-0x0000000006796000-memory.dmp

      Filesize

      472KB

    • memory/1080-143-0x00000000067B0000-0x0000000006800000-memory.dmp

      Filesize

      320KB

    • memory/1080-144-0x00000000009EE000-0x0000000000A1C000-memory.dmp

      Filesize

      184KB

    • memory/1080-145-0x0000000007AD0000-0x0000000007C92000-memory.dmp

      Filesize

      1.8MB

    • memory/1080-146-0x0000000007CA0000-0x00000000081CC000-memory.dmp

      Filesize

      5.2MB

    • memory/1080-147-0x0000000000400000-0x0000000000767000-memory.dmp

      Filesize

      3.4MB