Analysis

  • max time kernel
    34s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/09/2024, 01:55

General

  • Target

    Roblox2FA.exe

  • Size

    1.6MB

  • MD5

    2affab709854d6670f9dcc0d22180e4a

  • SHA1

    0a9964c5d2e1060540b223ac4e4f1b36345bea20

  • SHA256

    ed739568e77b668e2f50e5f8a4b2c0edd6297ac368e7b6fb2a8753443f9e90d7

  • SHA512

    83dc9d78837dd0a79f5322d5db15e80de80bf2e9d3fe61ebb159b0e9bab360b7877e66336e05fa3f13ab3dc4f3e0b5ea262be77c38c632c3d736009ac0d603ae

  • SSDEEP

    24576:Yi2Q9NXw2/wPOjdGxY2rJxkqjVnlqud+/2P+A+ZecdyFoBkkAqmZywC0n:HTq24GjdGSiJxkqXfd+/9AqYanCLC

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1286968600208609293/xPnd-ouz-a7o3eTOzmZRLXDkKXO2T8HgPZ3H5VoshI6y1EUrlZ67LyES9vTOAynb97V-

Signatures

  • Stealerium

    An open source info stealer written in C# first seen in May 2022.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Roblox2FA.exe
    "C:\Users\Admin\AppData\Local\Temp\Roblox2FA.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1748
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:392
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2516
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2968
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1916
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show networks mode=bssid
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp18DF.tmp.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2432
      • C:\Windows\SysWOW64\taskkill.exe
        TaskKill /F /IM 1748
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:640
      • C:\Windows\SysWOW64\timeout.exe
        Timeout /T 2 /Nobreak
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1504
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:732

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp18DF.tmp.bat

          Filesize

          57B

          MD5

          07e897ce0f4d1f1281a89c2fcab640e8

          SHA1

          60273fa5221b06ff1235d65d83b38d10839df5d8

          SHA256

          3ee6df5f8fb4712cb5c06b997f2fb0c8e8a6d583fbd567930a3bcdba1de1d0d4

          SHA512

          01dc21b0bdd64b4e765a10f775b1f27f995f192e5d4ee1dea8a4e3c4f6ed9eed9f3cd389e03135240dd9d4f9face9f6d7b0c1b1b2e3ee5de89504bff49aa8cad

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\Admin@HVDPCYGS_en-US\Browsers\Firefox\Bookmarks.txt

          Filesize

          105B

          MD5

          2e9d094dda5cdc3ce6519f75943a4ff4

          SHA1

          5d989b4ac8b699781681fe75ed9ef98191a5096c

          SHA256

          c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

          SHA512

          d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\Admin@HVDPCYGS_en-US\Directories\OneDrive.txt

          Filesize

          25B

          MD5

          966247eb3ee749e21597d73c4176bd52

          SHA1

          1e9e63c2872cef8f015d4b888eb9f81b00a35c79

          SHA256

          8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

          SHA512

          bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\Admin@HVDPCYGS_en-US\Directories\Startup.txt

          Filesize

          24B

          MD5

          68c93da4981d591704cea7b71cebfb97

          SHA1

          fd0f8d97463cd33892cc828b4ad04e03fc014fa6

          SHA256

          889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

          SHA512

          63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\Admin@HVDPCYGS_en-US\Directories\Videos.txt

          Filesize

          23B

          MD5

          1fddbf1169b6c75898b86e7e24bc7c1f

          SHA1

          d2091060cb5191ff70eb99c0088c182e80c20f8c

          SHA256

          a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

          SHA512

          20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\Admin@HVDPCYGS_en-US\System\Apps.txt

          Filesize

          6KB

          MD5

          75f8252b8fe2f717259c3fd8c976b63d

          SHA1

          a394178778b387493861fd6eef1d382e98453da1

          SHA256

          b14f4d4aa92f5bbe08cff52fcaa01536ea6d0defedf4609d387c51c33f8ca4d2

          SHA512

          551c49bb352469f238b721a103637f37e038d82420463c662ce5f6f484f95e384e91203b127a62993b9267ca1716d57e0b583d750e6be182bb3d7fb802e4b9ba

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\Admin@HVDPCYGS_en-US\System\Debug.txt

          Filesize

          1007B

          MD5

          adaa6ca96476ce2cf5e552ebde41fbbc

          SHA1

          85d310aa592ac260052f51a43d3d6af617a3eb6e

          SHA256

          aad431ace6885ffb284b55eddc9694aa75bb324b0a7f3e3d1d4d92bea98aea9c

          SHA512

          4d31539fe7366b4407d8a985ce20d96e3fcd608463b05615605944c603750e8d1da373e710f69a495f1b1d2430dd949d5639c4ba78c7eeaaf3e15cf434edc4b0

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\Admin@HVDPCYGS_en-US\System\Process.txt

          Filesize

          4KB

          MD5

          42d945b57dc308ba7e1e087c4e5da7d0

          SHA1

          67144dd7291b48bb938e91ca99c0c2bcf748860c

          SHA256

          8a14a1273d26796311e51570dccb9d5aae26fb662ef6f8227d7f554cb516ef5b

          SHA512

          def63620dbf0f126736d7ce3c263de7769632a110eec167874eba5ff76ea90694ff67576c49b89a4514202876a3e9847184295dec189dd9ed7ac8846bf508382

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\Admin@HVDPCYGS_en-US\System\ProductKey.txt

          Filesize

          29B

          MD5

          71eb5479298c7afc6d126fa04d2a9bde

          SHA1

          a9b3d5505cf9f84bb6c2be2acece53cb40075113

          SHA256

          f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

          SHA512

          7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

        • C:\Users\Admin\AppData\Local\f9cc6db1aac7fb66e6be3ceaa6c9e3b9\msgid.dat

          Filesize

          19B

          MD5

          a91f1466ec0d4182ddf8d717259327de

          SHA1

          8922a5076080801b7d454e97ade1a7ee4487ccac

          SHA256

          8693e63e4b1561891607a1a9ed2b6f30bea07e902ecc94912e4207a5a14dff74

          SHA512

          67577eb57f09706c396e39c0cf442602da0ed8903715c3281e30abc83fa9050341bbb8b3f213caece7ab9faaf34940a69486215b191993944dc73196fa39cf3e

        • memory/1748-203-0x00000000750E0000-0x0000000075890000-memory.dmp

          Filesize

          7.7MB

        • memory/1748-7-0x00000000057B0000-0x00000000057D6000-memory.dmp

          Filesize

          152KB

        • memory/1748-67-0x0000000007330000-0x00000000073C2000-memory.dmp

          Filesize

          584KB

        • memory/1748-144-0x00000000750EE000-0x00000000750EF000-memory.dmp

          Filesize

          4KB

        • memory/1748-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

          Filesize

          4KB

        • memory/1748-202-0x0000000006D30000-0x0000000006DAA000-memory.dmp

          Filesize

          488KB

        • memory/1748-8-0x0000000005790000-0x000000000579A000-memory.dmp

          Filesize

          40KB

        • memory/1748-6-0x0000000005BE0000-0x0000000005C80000-memory.dmp

          Filesize

          640KB

        • memory/1748-3-0x00000000750E0000-0x0000000075890000-memory.dmp

          Filesize

          7.7MB

        • memory/1748-73-0x0000000007A80000-0x0000000008024000-memory.dmp

          Filesize

          5.6MB

        • memory/1748-10-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

          Filesize

          120KB

        • memory/1748-2-0x0000000005800000-0x0000000005866000-memory.dmp

          Filesize

          408KB

        • memory/1748-276-0x0000000006E50000-0x0000000006F02000-memory.dmp

          Filesize

          712KB

        • memory/1748-278-0x0000000006CE0000-0x0000000006D02000-memory.dmp

          Filesize

          136KB

        • memory/1748-279-0x0000000008430000-0x0000000008784000-memory.dmp

          Filesize

          3.3MB

        • memory/1748-9-0x0000000006B70000-0x0000000006B78000-memory.dmp

          Filesize

          32KB

        • memory/1748-1-0x0000000000BD0000-0x0000000000D66000-memory.dmp

          Filesize

          1.6MB

        • memory/1748-293-0x00000000750E0000-0x0000000075890000-memory.dmp

          Filesize

          7.7MB