Analysis

  • max time kernel
    140s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/06/2024, 01:00

General

  • Target
    02f7524fbcca9e5fb197f47eabc66bbe.exe
  • Size 10.1MB
  • Sample240604-bcvjnsgd38
  • SHA256 349838094cda907d089098bfc3a0839a63959b36f40344e4023cec7218acf92e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02f7524fbcca9e5fb197f47eabc66bbe.exe
    "C:\Users\Admin\AppData\Local\Temp\02f7524fbcca9e5fb197f47eabc66bbe.exe"
    1⤵
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1320
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 13D396AAD6C5018467648A3BFC7E0133
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4504
      • C:\Users\Admin\AppData\Local\Temp\A2B63F4F-F902-4778-AB0D-CD6612F46470\lite_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\A2B63F4F-F902-4778-AB0D-CD6612F46470\lite_installer.exe" --use-user-default-locale --silent --cumtom-welcome-page=https://browser.yandex.ru/promo/welcome_com/5/
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2352
      • C:\Users\Admin\AppData\Local\Temp\E4075F79-2C80-4F47-8982-2E9D27B27AAA\seederexe.exe
        "C:\Users\Admin\AppData\Local\Temp\E4075F79-2C80-4F47-8982-2E9D27B27AAA\seederexe.exe" "--yqs=" "--yhp=" "--ilight=" "--oem=" "--nopin=n" "--pin_custom=n" "--pin_desktop=n" "--pin_taskbar=y" "--locale=us" "--browser=" "--browser_default=" "--loglevel=trace" "--ess=" "--clids=C:\Users\Admin\AppData\Local\Temp\clids-yasearch.xml" "--sender=C:\Users\Admin\AppData\Local\Temp\3E6EA874-E3ED-46BC-A258-15E86C40A829\sender.exe" "--is_elevated=yes" "--ui_level=5" "--good_token=x" "--no_opera=n"
        3⤵
        • Executes dropped EXE
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Users\Admin\AppData\Local\Temp\3E6EA874-E3ED-46BC-A258-15E86C40A829\sender.exe
          C:\Users\Admin\AppData\Local\Temp\3E6EA874-E3ED-46BC-A258-15E86C40A829\sender.exe --send "/status.xml?clid=2382047&uuid=58e02dc9-3ebe-4afc-95ae-02113ed8679e&vnt=Windows 10x64&file-no=8%0A15%0A25%0A45%0A57%0A59%0A102%0A111%0A125%0A129%0A"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:6248
  • 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 --no-appcompat-clear --field-trial-handle=4288,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=3772 /prefetch:8
    1⤵
      PID:5372

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          e5816b1.rbs

          • Path C:\Config.Msi\e5816b1.rbs
          • Size 575B
          • SHA256 06832d5c941f85c638b497732ccf0b0948ddaf5d72c9ae96ed64c606e8bda224
          • MD5 SHA1 SHA512

          357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7
          • Size 1KB
          • SHA256 b5ad09be1935bcd6ea92903252458d36a437d558bd958298c3bb9f4b45e95d03
          • MD5 SHA1 SHA512

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 1KB
          • SHA256 d1b45b42156a70fe4dbfdf64a3aec54f064ef9daec17a92be7ad87ab457ab4f8
          • MD5 SHA1 SHA512

          357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_394487CAFBCFB8C5917AD7A10924C8A7
          • Size 536B
          • SHA256 5b28449d7d0288da7d026d87482404d0d75f0e84e01a51c8d3ba1143b45d680b
          • MD5 SHA1 SHA512

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 536B
          • SHA256 ac3d7128235e7aad8c9bb130ad69b546da3973721e8120fc2c7ff3011c364c58
          • MD5 SHA1 SHA512

          sender.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3E6EA874-E3ED-46BC-A258-15E86C40A829\sender.exe
          • Size 260KB
          • SHA256 36022c6ecb3426791e6edee9074a3861fe5b660d98f2b2b7c13b80fe11a75577
          • MD5 SHA1 SHA512 SSDEEP

          lite_installer.exe

          • Path C:\Users\Admin\AppData\Local\Temp\A2B63F4F-F902-4778-AB0D-CD6612F46470\lite_installer.exe
          • Size 419KB
          • SHA256 688d0b782437ccfae2944281ade651a2da063f222e80b3510789dbdce8b00fdc
          • MD5 SHA1 SHA512 SSDEEP

          seederexe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\E4075F79-2C80-4F47-8982-2E9D27B27AAA\seederexe.exe
          • Size 8.6MB
          • SHA256 35585d12899435e13e186490fcf1d270adbe3c74a1e0578b3d9314858bf2d797
          • MD5 SHA1 SHA512 SSDEEP

          YandexSearch00000.log

          • Path C:\Users\Admin\AppData\Local\Temp\YandexSearch00000.log
          • Size 34KB
          • SHA256 c2819e8b353a44047aba048d2ed6d004fc5fa7d107055c96e83038690a4c8597
          • MD5 SHA1 SHA512 SSDEEP

          clids-yasearch.xml

          • Path C:\Users\Admin\AppData\Local\Temp\clids-yasearch.xml
          • Size 530B
          • SHA256 e9ff2ac66c6736f7e1c64aa828f8eb522f73d715a6870ed6a39f77fc858c81fc
          • MD5 SHA1 SHA512

          omnija-20240004.zip

          • Path C:\Users\Admin\AppData\Local\Temp\omnija-20240004.zip
          • Size 40.8MB
          • SHA256 36e682f419c2b5d8e7c285d36088b56d59df3869dbd181943280696d4ca391ca
          • MD5 SHA1 SHA512 SSDEEP

          vendor00000.xml

          • Path C:\Users\Admin\AppData\Local\Temp\vendor00000.xml
          • Size 509B
          • SHA256 bb4f08a2684d5c9ea18b14f0febbaeef735aeee8c64c0bef827d8ea961930c25
          • MD5 SHA1 SHA512

          YandexSearch.msi

          • Path C:\Users\Admin\AppData\Local\Temp\{5B964E0E-B9A3-4276-9ED9-4D5A5720747A}\YandexSearch.msi
          • Size 9.8MB
          • SHA256 af7328aabb530a997c5e8dd39b1ba7c6d28ed756bafc7afde1ae894c28cfd806
          • MD5 SHA1 SHA512 SSDEEP

          places.sqlite-20240604010041.025921.backup

          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\kwvh0l1k.Admin\places.sqlite-20240604010041.025921.backup
          • Size 68KB
          • SHA256 b6d278384a3684409a2a86f03e4f52869818ce7dd8b5779876960353f7d35dc1
          • MD5 SHA1 SHA512 SSDEEP

          Bookmarks-20240604010041.104056.backup

          • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Bookmarks-20240604010041.104056.backup
          • Size 1KB
          • SHA256 2b167248e8136c4d45c2c46e2bff6fb5e5137dd4dfdccde998599be2df2e9335
          • MD5 SHA1 SHA512

          Preferences-20240604010041.104056.backup

          • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Preferences-20240604010041.104056.backup
          • Size 313B
          • SHA256 ed6a32e11cc99728771989b01f5ae813de80c46a59d3dc68c23a4671a343cb8c
          • MD5 SHA1 SHA512

          ui

          • Path C:\Users\Admin\AppData\Roaming\Yandex\ui
          • Size 38B
          • SHA256 507c01ac3f5e0bec05599eb0e1c89a00182fe6281340bab01788bcdb44d01f9d
          • MD5 SHA1 SHA512

          MSI1827.tmp

          • Path C:\Windows\Installer\MSI1827.tmp
          • Size 181KB
          • SHA256 a5dd2f97c6787c335b7807ff9b6966877e9dd811f9e26326837a7d2bd224de86
          • MD5 SHA1 SHA512 SSDEEP

          MSI1902.tmp

          • Path C:\Windows\Installer\MSI1902.tmp
          • Size 189KB
          • SHA256 669cc0aae068ced3154acaecb0c692c4c5e61bc2ca95b40395a3399e75fcb9b2
          • MD5 SHA1 SHA512 SSDEEP