Overview

overview

10

Static

static

f7ef5eaf4e...81.exe

windows7-x64

10

f7ef5eaf4e...81.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 11:12

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe

  • Size

    506KB

  • MD5

    3e3a9dca80a8151f9e7f3e54dc6b2b24

  • SHA1

    1f8d00bedd6b81d57f1d483ad445d36769142c45

  • SHA256

    f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

  • SHA512

    27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

  • SSDEEP

    12288:VJG8DwOR03F3o6pow4d5bSVlh1Cqda/e+SyFO:vG8DEmPbS11CqczO

Score
10/10
isrstealerpersistencespywarestealertrojanupx

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    trojanstealerisrstealer
  • ISR Stealer payload 2 IoCs
  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 5 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
    "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
      C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3816
      • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
        "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2836
        • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
          "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
          4⤵
            PID:1032
          • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
            "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3744
          • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
            "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
            4⤵
              PID:4656
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe"
          2⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4296
          • C:\Users\Admin\AppData\Local\Temp\panmap.exe
            "C:\Users\Admin\AppData\Local\Temp\panmap.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4452
            • C:\Users\Admin\AppData\Local\Temp\panmap.exe
              C:\Users\Admin\AppData\Local\Temp\panmap.exe
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1424
              • C:\Users\Admin\AppData\Local\Temp\panmap.exe
                "C:\Users\Admin\AppData\Local\Temp\panmap.exe"
                5⤵
                • Executes dropped EXE
                PID:1852
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 80
                  6⤵
                  • Program crash
                  PID:4420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1852 -ip 1852
        1⤵
          PID:2352

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\data.dmp
          Filesize

          54B

          MD5

          c10dbeca73f8835240e08e4511284b83

          SHA1

          0032f8f941cc07768189ca6ba32b1beede6b6917

          SHA256

          0b6b62094048f0a069b4582f837afcb941db51340d0b16d578e8cbe8603a071e

          SHA512

          34f7ab8b4ab7b4996b82ffc49198103ef245ee7dd5ccfec793a9ee391b9e9bb30bd3916b4ebeaa9c66a4b5ca42f8572418f16dc83d41073bc94389c19916b967

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\panmap.exe
          Filesize

          506KB

          MD5

          3e3a9dca80a8151f9e7f3e54dc6b2b24

          SHA1

          1f8d00bedd6b81d57f1d483ad445d36769142c45

          SHA256

          f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

          SHA512

          27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\panmap.exe
          Filesize

          506KB

          MD5

          3e3a9dca80a8151f9e7f3e54dc6b2b24

          SHA1

          1f8d00bedd6b81d57f1d483ad445d36769142c45

          SHA256

          f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

          SHA512

          27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\panmap.exe
          Filesize

          506KB

          MD5

          3e3a9dca80a8151f9e7f3e54dc6b2b24

          SHA1

          1f8d00bedd6b81d57f1d483ad445d36769142c45

          SHA256

          f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

          SHA512

          27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\panmap.exe
          Filesize

          506KB

          MD5

          3e3a9dca80a8151f9e7f3e54dc6b2b24

          SHA1

          1f8d00bedd6b81d57f1d483ad445d36769142c45

          SHA256

          f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

          SHA512

          27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

          Download Submit

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe
          Filesize

          5KB

          MD5

          4753c273bf07228289abf257ff74f67b

          SHA1

          b0b052d69fbf87d8b646b228ae2e9a3d6e7c957d

          SHA256

          70d8f49a087a89ebe3a4fa35747f744e97c18fe0baaa6f08b0450f1618dfce35

          SHA512

          fb317067dd0443a284dd7335ab184e9b31345c5d4e8aeb1a8603a6baf477d5dd68ef0c33a9df350074aa4334a9b17d84dac3976c50c1188fbf85590fc0b2b373

          Download Submit

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe
          Filesize

          5KB

          MD5

          4753c273bf07228289abf257ff74f67b

          SHA1

          b0b052d69fbf87d8b646b228ae2e9a3d6e7c957d

          SHA256

          70d8f49a087a89ebe3a4fa35747f744e97c18fe0baaa6f08b0450f1618dfce35

          SHA512

          fb317067dd0443a284dd7335ab184e9b31345c5d4e8aeb1a8603a6baf477d5dd68ef0c33a9df350074aa4334a9b17d84dac3976c50c1188fbf85590fc0b2b373

          Download Submit

        • memory/1032-144-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB

          Download

        • memory/1032-146-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB

          Download

        • memory/1032-152-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB

          Download

        • memory/2836-141-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

          Download

        • memory/2836-140-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

          Download

        • memory/2836-155-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

          Download

        • memory/2836-142-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

          Download

        • memory/3744-148-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/3744-153-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/3744-158-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/3744-151-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

          Download

        • memory/3816-134-0x0000000000400000-0x0000000000470000-memory.dmp

          Filesize

          448KB

          Download

        • memory/3816-136-0x0000000000400000-0x0000000000470000-memory.dmp

          Filesize

          448KB

          Download

        • memory/4296-159-0x0000000075300000-0x00000000758B1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4296-176-0x0000000075300000-0x00000000758B1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4452-168-0x0000000075300000-0x00000000758B1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4452-177-0x0000000075300000-0x00000000758B1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4828-132-0x0000000075300000-0x00000000758B1000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/4828-175-0x0000000075300000-0x00000000758B1000-memory.dmp

          Filesize

          5.7MB

          Download