Analysis

  • max time kernel
    83s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2022 15:16

General

  • Target

    file.exe

  • Size

    560KB

  • MD5

    c61c0f2027c9d778adc9a1205cf28432

  • SHA1

    d0b40543d55d755e837eed841a7a9333f5eb3876

  • SHA256

    85245aa479744025f0b3582703dff74aa5e13b28704b011d21a9ec8a443f8516

  • SHA512

    e457ecbf4b59e3613defe777f4fb97ebf49f65d1d9ce02479050627c5f00fc0e4331ebc44cef161ca6ad4e7e0bacbb02fc7acd19e5fe52380b323207b9e663c3

  • SSDEEP

    12288:+5DklxOTIe+2p13CteqFizauQAaQCilB+Wi:+pz+w3ZyiKUBA

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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of AdjustPrivilegeToken
    PID:4940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 1792
      Program crash
      PID:2708
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4940 -ip 4940
    PID:3476

Network

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Defense Evasion

      Discovery

      Execution

        Exfiltration

          Impact

            Initial Access

              Lateral Movement

                Persistence

                  Privilege Escalation

                    Replay Monitor

                    00:00 00:00

                    Downloads

                    • memory/4940-132-0x00000000050A0000-0x0000000005644000-memory.dmp
                    • memory/4940-133-0x000000000099D000-0x00000000009EF000-memory.dmp
                    • memory/4940-134-0x0000000002560000-0x00000000025BF000-memory.dmp
                    • memory/4940-135-0x00000000056D0000-0x0000000005762000-memory.dmp
                    • memory/4940-136-0x0000000000400000-0x000000000082E000-memory.dmp
                    • memory/4940-137-0x000000000B3B0000-0x000000000B9C8000-memory.dmp
                    • memory/4940-138-0x000000000BA60000-0x000000000BB6A000-memory.dmp
                    • memory/4940-139-0x000000000BB90000-0x000000000BBA2000-memory.dmp
                    • memory/4940-140-0x000000000BBB0000-0x000000000BBEC000-memory.dmp
                    • memory/4940-141-0x000000000BDA0000-0x000000000BE06000-memory.dmp
                    • memory/4940-142-0x000000000C490000-0x000000000C652000-memory.dmp
                    • memory/4940-143-0x000000000099D000-0x00000000009EF000-memory.dmp
                    • memory/4940-144-0x000000000C670000-0x000000000CB9C000-memory.dmp
                    • memory/4940-145-0x0000000005790000-0x0000000005806000-memory.dmp
                    • memory/4940-146-0x0000000004A70000-0x0000000004AC0000-memory.dmp
                    • memory/4940-147-0x000000000099D000-0x00000000009EF000-memory.dmp
                    • memory/4940-148-0x0000000000400000-0x000000000082E000-memory.dmp