Overview

overview

10

Static

static

10

89862f1214...61.exe

windows7-x64

9

89862f1214...61.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 02:12

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General

  • Target

    89862f1214998962cab6fb5fd76efe61.exe

  • Size

    146KB

  • MD5

    89862f1214998962cab6fb5fd76efe61

  • SHA1

    512bca951a384de28a897013876c8e2d105e8d25

  • SHA256

    8760d739b888902708d9e65193bf68f3d9a9e56de07f894a4c39615e66a52d64

  • SHA512

    6daf93be1808b8e9e17e28d96fb7b3ab2834c406c2d6319a87d136fd633ccfebea3fd305d0777223f0b5b7a5b61b93cf51964fbf90148f4e229edbf96558034a

  • SSDEEP

    3072:V6glyuxE4GsUPnliByocWepf7MInS0Slg:V6gDBGpvEByocWeRgdZ

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (642) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89862f1214998962cab6fb5fd76efe61.exe
    "C:\Users\Admin\AppData\Local\Temp\89862f1214998962cab6fb5fd76efe61.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:5648
    • C:\ProgramData\8E03.tmp
      "C:\ProgramData\8E03.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:5972
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\8E03.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4972
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:5688
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3808,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4464 /prefetch:8
      1⤵
        PID:5772
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:6036
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{F0735A61-E0C0-4397-8E30-AF21C39BBCD4}.xps" 133710127676060000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:5900

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\$Recycle.Bin\S-1-5-21-2170637797-568393320-3232933035-1000\GGGGGGGGGGG
        Filesize

        129B

        MD5

        7ba3358e547bdf3ace1c3e5294c28015

        SHA1

        33db389036a788dc36c329f226b37da34cd6b804

        SHA256

        6436435177b35697188ce73aaf4d86780622937d694ef7f2386a98bf92e92e55

        SHA512

        b17194db5738359513ca54d5a8c80d4c8a2a91c7641f5f4f067184266a9a8bde63ecd8b737be25ec96fb87495280f1e6cb557f240e4fa54502417d08bc9ba8c1

        Download Submit

      • C:\6XHjQ1c1S.README.txt
        Filesize

        343B

        MD5

        72b1ffaeb7de456483f491ecceadb088

        SHA1

        ee1953abc295245ab01f35a4a823883826bf2b41

        SHA256

        eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

        SHA512

        c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

        Download Submit

      • C:\ProgramData\8E03.tmp
        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
        Filesize

        146KB

        MD5

        6387517b4ad38a8f97eb06adfc13be2d

        SHA1

        1d7968dd1d34d5358ba7e3d942dc91c662bff05f

        SHA256

        c93acf2652cb14109620c45889568c590228d92e1284f809dbf3719ebaee3984

        SHA512

        3784cc50e3b6ac2bcb060c25e3ecafe625094fa515fb885190b116199d04b6b7470c4e7a9aa317e6830dd34bc65da630ee5e40d43b9885e942f7ccca8d6c48ee

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\{B7D72842-EABB-48CC-92E2-21AE910C008B}
        Filesize

        4KB

        MD5

        42349c97087c8655490c2e3428233419

        SHA1

        32cff5436760f67052688dbc3f3fbba914946867

        SHA256

        99374a51f8df06fe5d3382b2c2c15c32cb74677c70c59afb707dad978473e20f

        SHA512

        cf2629e73cea28d4a0dcea8d629045c2f24b2f246d88a7ca689e5698ca1359b2bd4be2efd5f9e455435a519d644f99c409a040be9d58a910bca043f06a0b4286

        Download Submit

      • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
        Filesize

        4KB

        MD5

        1e1344ca403ec06fbea6a0da38d7a4bf

        SHA1

        f13f53d8d3bc152e58b549f74a960d2ec12b148c

        SHA256

        cb52bbf0de92b5ddbebeaf1d82fc17efc56a5770e7d9a197c488fd30919c796d

        SHA512

        2ea124f919e4137decb85e5396c10af4ee3d5f3f1251ce8f2ae990237bde123c70f4b9330aef5e89b07d3e3d7ef6d33ba66b611f00e7536ae8dcd83457e4c7a3

        Download Submit

      • F:\$RECYCLE.BIN\S-1-5-21-2170637797-568393320-3232933035-1000\DDDDDDDDDDD
        Filesize

        129B

        MD5

        1c3248e69aebf2a434d346e1c3865e56

        SHA1

        3e7a67d8083a33cb756f2c168ca74431d8ba9ae1

        SHA256

        57db15a503855571f91205c5eade9d7c1a77aa4ef713f04dc6935adcbaacb9d9

        SHA512

        608303e223d7f820be29699eb263f70932a678ae2de4d63f28cecf4e682d66219d217155c232dda5b660a65939260c3f5674f259c88ef905a53258c4507309d0

        Download Submit

      • memory/3232-3012-0x00000000007A0000-0x00000000007B0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3232-3011-0x00000000007A0000-0x00000000007B0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3232-3010-0x00000000007A0000-0x00000000007B0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3232-0-0x00000000007A0000-0x00000000007B0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3232-1-0x00000000007A0000-0x00000000007B0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3232-2-0x00000000007A0000-0x00000000007B0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/5900-3025-0x00007FF945C50000-0x00007FF945C60000-memory.dmp

        Filesize

        64KB

        Download

      • memory/5900-3028-0x00007FF945C50000-0x00007FF945C60000-memory.dmp

        Filesize

        64KB

        Download

      • memory/5900-3033-0x00007FF943490000-0x00007FF9434A0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/5900-3027-0x00007FF945C50000-0x00007FF945C60000-memory.dmp

        Filesize

        64KB

        Download

      • memory/5900-3062-0x00007FF943490000-0x00007FF9434A0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/5900-3024-0x00007FF945C50000-0x00007FF945C60000-memory.dmp

        Filesize

        64KB

        Download

      • memory/5900-3026-0x00007FF945C50000-0x00007FF945C60000-memory.dmp

        Filesize

        64KB

        Download