Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2023, 08:35

General

  • Target

    tmp.exe

  • Size

    703KB

  • MD5

    8c2c09dc31dc65ba060a203a8c632ec0

  • SHA1

    7565471a2f1990efcfbf61dac83a52d4763edd4f

  • SHA256

    adaa96068e4072db205354abc3394d59db0cc04248c7ed3022f95da4efa94438

  • SHA512

    60d88e9707cbbb48b7786cd8624670c053aa143e2ce68383f03bc3ee6a79b9887c9eec99ec5975169b6b4ea012aa68591ffd6c2dcb343c73c49b9df837144dc3

  • SSDEEP

    12288:QTJs2D9qDSulQBE32WATB6qA9hB4miERS26PAVSOZLXk5mA4NK:cJTD9qDSul/3DCA9F6P+Zjk5+

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4832
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1816
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3796
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:3548
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 3548 -s 128
            4⤵
            • Program crash
            PID:4496
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 440 -p 3548 -ip 3548
      1⤵
        PID:5116

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/1816-140-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/1816-148-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/1816-145-0x0000000001230000-0x0000000001240000-memory.dmp

              Filesize

              64KB

            • memory/1816-144-0x0000000001780000-0x0000000001ACA000-memory.dmp

              Filesize

              3.3MB

            • memory/1816-143-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/1816-142-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/3136-193-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-195-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-207-0x0000000003040000-0x0000000003050000-memory.dmp

              Filesize

              64KB

            • memory/3136-206-0x0000000003040000-0x0000000003050000-memory.dmp

              Filesize

              64KB

            • memory/3136-205-0x0000000003030000-0x0000000003032000-memory.dmp

              Filesize

              8KB

            • memory/3136-204-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-146-0x0000000003150000-0x0000000003244000-memory.dmp

              Filesize

              976KB

            • memory/3136-203-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-175-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-176-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-201-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-200-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-199-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-153-0x00000000081C0000-0x0000000008288000-memory.dmp

              Filesize

              800KB

            • memory/3136-154-0x00000000081C0000-0x0000000008288000-memory.dmp

              Filesize

              800KB

            • memory/3136-156-0x00000000081C0000-0x0000000008288000-memory.dmp

              Filesize

              800KB

            • memory/3136-164-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-165-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-166-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-167-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-168-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-169-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-170-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-171-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-172-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-173-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-198-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-202-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-197-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-177-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-178-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-179-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-181-0x00000000033E0000-0x00000000033E3000-memory.dmp

              Filesize

              12KB

            • memory/3136-180-0x00000000033C0000-0x00000000033C2000-memory.dmp

              Filesize

              8KB

            • memory/3136-182-0x00000000033D0000-0x00000000033DB000-memory.dmp

              Filesize

              44KB

            • memory/3136-189-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-190-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-191-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-192-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-196-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-194-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3136-174-0x0000000002BE0000-0x0000000002BF0000-memory.dmp

              Filesize

              64KB

            • memory/3796-149-0x0000000000010000-0x0000000000037000-memory.dmp

              Filesize

              156KB

            • memory/3796-152-0x0000000002360000-0x00000000023EF000-memory.dmp

              Filesize

              572KB

            • memory/3796-151-0x0000000002500000-0x000000000284A000-memory.dmp

              Filesize

              3.3MB

            • memory/3796-150-0x0000000000400000-0x000000000042D000-memory.dmp

              Filesize

              180KB

            • memory/3796-147-0x0000000000010000-0x0000000000037000-memory.dmp

              Filesize

              156KB

            • memory/4832-133-0x0000000000FD0000-0x0000000001086000-memory.dmp

              Filesize

              728KB

            • memory/4832-139-0x00000000089E0000-0x0000000008A7C000-memory.dmp

              Filesize

              624KB

            • memory/4832-134-0x0000000005F10000-0x00000000064B4000-memory.dmp

              Filesize

              5.6MB

            • memory/4832-135-0x0000000005A40000-0x0000000005AD2000-memory.dmp

              Filesize

              584KB

            • memory/4832-136-0x0000000005C90000-0x0000000005CA0000-memory.dmp

              Filesize

              64KB

            • memory/4832-137-0x0000000005BF0000-0x0000000005BFA000-memory.dmp

              Filesize

              40KB

            • memory/4832-138-0x0000000005C90000-0x0000000005CA0000-memory.dmp

              Filesize

              64KB