Analysis

  • max time kernel
    137s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2024 23:16

General

  • Target

    d108974e3029016693e953795804f374449835e3120d9df068dbd3eb9fe55088.exe

  • Size

    2.0MB

  • MD5

    f769783b7d2ae1905fa99f36d05e1d93

  • SHA1

    14c410f8414e263714106e5e65479cb2bc02e888

  • SHA256

    d108974e3029016693e953795804f374449835e3120d9df068dbd3eb9fe55088

  • SHA512

    a428e17e686debd7a1cf0d7c14492f91e10c832a30ec9d0f86ec04359f39188a4e97687badade029f35a7419e271fd70dcb427cadcb0cd08dc97d8ecc547b0dc

  • SSDEEP

    49152:RVAbwUQUFD1VR+zbTPDyoW53zJJfvRCYd60p9e9bldMi:3ACQZGbo1HRCYd6b9x+

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d108974e3029016693e953795804f374449835e3120d9df068dbd3eb9fe55088.exe
    "C:\Users\Admin\AppData\Local\Temp\d108974e3029016693e953795804f374449835e3120d9df068dbd3eb9fe55088.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\7zSCC797A08\setup.exe
      C:\Users\Admin\AppData\Local\Temp\7zSCC797A08\setup.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Users\Admin\AppData\Local\Temp\7zSCC797A08\setup.exe
        C:\Users\Admin\AppData\Local\Temp\7zSCC797A08\setup.exe --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=113.0.5230.32 --initial-client-data=0x304,0x330,0x334,0x30c,0x338,0x74dcae8c,0x74dcae98,0x74dcaea4
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1948
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\setup.exe" --version
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4580
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\Assistant_113.0.5230.31_Setup.exe_sfx.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\Assistant_113.0.5230.31_Setup.exe_sfx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:628
      • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\assistant_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\assistant_installer.exe" --version
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\assistant_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\assistant_installer.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=113.0.5230.31 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x9f2c48,0x9f2c54,0x9f2c60
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2612
  • 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=4344,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
    1⤵
      PID:884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\additional_file0.tmp

      Filesize

      2.6MB

      MD5

      0995a010e2f8b866c6abca90fa49130f

      SHA1

      f282871f9d6333f5bcc738062613c44567a58dc0

      SHA256

      74d4c26b0ee35a7431944e51aaf5ec4ab3338b6776bf44bdfdbc1e201b4fea76

      SHA512

      b98e4bd252a9bdb11a7f15c795910daabdbe8e0ba0fa86a5ee6f8167ff66a9b67790c51f700666239781ad46241926590588b6831d16e5057dcbfebe37c3ae6b

    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\assistant_installer.exe

      Filesize

      1.9MB

      MD5

      1d980ac7aa07def69627a334168853f9

      SHA1

      c4b6a91eb61eb1a946b922ceef9aea86dde79eb5

      SHA256

      a08d4c13a57600c280d10aa2d0c5c13352638b6ac38651aa908af1c0ec351807

      SHA512

      e8f7afb5299d627d67f6656f71006f60c1dbaa535175ff935d2934197e2ed5faca0f9d64897695965deeeea7612a4229bf117a8243a3b5de902a001d4e91797b

    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\dbgcore.dll

      Filesize

      166KB

      MD5

      98d373f7e891c8282b7a163880ffff55

      SHA1

      a84b5607aebd38833a96ee46b33f2d1b748e6ea0

      SHA256

      67bce323f46300c83866e02b1a3923b93834e30741999b965b351531073e8f2b

      SHA512

      b417629c5276ed942578273af5d2de4ab35fdb1cec102b47999b0b54d50c98d0ec36e8fca01db8c6f9fc4dc6aa130fef916fe07d131586c84f4a75bb589bb927

    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408252316521\assistant\dbghelp.dll

      Filesize

      1.7MB

      MD5

      49c70bed12c523235e2e154326b1a8f0

      SHA1

      4a011c6909ea9c08357dd4bebdd62f8b3bfab8dd

      SHA256

      27251f799e2d950c561fda99c07ff49553c1d538ccd544bcd1ee12820eed5cd5

      SHA512

      1553f9ddbb95603d82c01668320a128766ba8b039ee127f86a2008de222e9390b4d8b7153443444790c946b40742b85625fbc422e81073a353e9e434cc56eba3

    • C:\Users\Admin\AppData\Local\Temp\7zSCC797A08\setup.exe

      Filesize

      5.1MB

      MD5

      96be1b5fb15ec0912b8de6133d283180

      SHA1

      86d5f8af9018f27045389a48a66dffa7e1f8daf1

      SHA256

      04eead61515be0515643281aa8f29809facddd419c5bc06450d031d64e60461c

      SHA512

      c649720a6ac4409b32663f9987aca971e1475b7e30c2b7c2c31467a1214228f8d93f154580b0436933f86f998e8079d0df7e2f67b20adfa2aaaaff075a16ed32

    • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2408252316511741724.dll

      Filesize

      4.6MB

      MD5

      b84992e5212817c964aa64b35dbf0ac6

      SHA1

      9361bf7b334f06ee3b3fd0770bf8dea0c2518146

      SHA256

      a3a7dab81491b07cda3d6c5d8ed1655c9b39c6db01a532d7d429b2f0aece3fc8

      SHA512

      9b61ab193514505c64fdad8b7457bec96ae7af1835a16d60f781e1240d29f20fa72479d395e3ff45f42197ffc82e96eac107f9d19ef3274efaddd71ee66ba2a4

    • C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports\settings.dat

      Filesize

      40B

      MD5

      2e9deebd673033066134ea8fbf768064

      SHA1

      f319a7c037e47c30ff220a24d8300c297ec4ea70

      SHA256

      6df597c71d8bc6f069de6f2e3b6734036355b878fa866a5a5f366d5abeb40c91

      SHA512

      2fe5cda5ea6d92dbe1a9890239a26232f247534d5d5856aa4be16503c00cf0b066b1dffadfc1cd9a4904a0b1466e7a9d23c130473917985329609c527be64d6a