Analysis

  • max time kernel
    151s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2023, 18:34

General

  • Target

    TeamViewerQS.exe

  • Size

    26.4MB

  • MD5

    6f33841681f94bdae675278def8dfa55

  • SHA1

    101a7924330b9d61252520c3229b8a9d318e0535

  • SHA256

    2a0a9ba9cf15a1c3330f092bc63c428ddf1d5e08932eb72588a163c971ef3cbc

  • SHA512

    ba5d9f1eb4d0e1a1e652d830faea97dbe2e3d78fb9ef2b636a9f5d85cb65192c07820b64376c3e6895ba4d582eb5f44742b1efc48e999b9eaab4f017eec76feb

  • SSDEEP

    393216:u3q0niwt7Zag8tw0LAM2RWOtx6jgGvd+klVASHtdNCBWb9s+Sn1I8oOhzI:uX/t8tLH2RGjZvbTpdN6Wi/1IBOtI

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TeamViewerQS.exe
    "C:\Users\Admin\AppData\Local\Temp\TeamViewerQS.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe
      "C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3868
      • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_w32.exe
        "C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_w32.exe" --action hooks --log
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies data under HKEY_USERS
        PID:4540
      • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_x64.exe
        "C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_x64.exe" --action hooks --log
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies data under HKEY_USERS
        PID:1668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_w32.dll

    Filesize

    461KB

    MD5

    60335c5a6fcdeb3260c131e9641e6103

    SHA1

    0255425259daef5e639aa433a5d8326ff5619c48

    SHA256

    de0d75e82ee546c2e61e1cc6ee07bf1ce3f39c3aba3cdbeb86b225d15b840717

    SHA512

    0950738ea9bcfd79d94ffd6d5671611dee33879fe995f58a74f1171b1fe82213ad0f68f5f4ad7278859f16ee9cd646f6c0b4c54a406ef829eac0ac3676ca4321

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_w32.exe

    Filesize

    344KB

    MD5

    a4837f498a7230c82e49457572b383ba

    SHA1

    c7b506ab7553034ee28c48e24b7c9e32ca174505

    SHA256

    bdd95ee41ee547219965260126c9b262026371959b62a582fccdd9c8614b2cc6

    SHA512

    43a399ec46c4fef596a0a2dfbadaf15e86359e1516adf59e8ce9948642c8c4e8f87e46e4c5561af2e43bfbc7fde65bff86dc0fc030b5960864cdb0bebe5900e8

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_x64.dll

    Filesize

    591KB

    MD5

    652756105998a4c7fb54cb1e8aad1284

    SHA1

    2205b48806a82118b2762b1442f84b73696a34b0

    SHA256

    d31ba27cbc2cbd1ab1c04e1e02103e80499ce9e7a7344c5d3446df4ae84a52da

    SHA512

    cfcf0ec640669a614f845dfed8087949fd7a4e7f33f1df891653d13e9293d786164d12f28fe1ba7f86e1a4cf4bef2132c0b7de2f7c14aedfe299e9e319452396

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TV_x64.exe

    Filesize

    405KB

    MD5

    96448e78b7e6360424ef8d60af1f09fc

    SHA1

    1ae14cfefb0fbfca56d01461263ad0f4be588abc

    SHA256

    35b6bb83181c611a596e90a0ed8628077417a6b51287b6c76b06968ec24b2551

    SHA512

    7e00f533b68d53b0c31becfc59d2132391e3242d2ef7ed532c7074dd829123ac403d4074866c022366a6844d9121adea8181de5435b6fcfbe1a3c2a5a290ff3e

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe

    Filesize

    55.0MB

    MD5

    d85f90c6d47433707be542c06722082f

    SHA1

    4a456cd56b12f0193bdab8785ff6020cb1ec3e90

    SHA256

    4776ea388b6d0f5a604f8059670a5e1a8cec5f081139ee79d57eede7a0b3e8e7

    SHA512

    50f9e0ffcdb84503322b5f5d369724248b951058ec225b530b6fb271995554e1ac36d521a176f1a132a2a2fa3ba86c4eb8e018165c3229b265dec85a7b5336d9

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe

    Filesize

    55.0MB

    MD5

    d85f90c6d47433707be542c06722082f

    SHA1

    4a456cd56b12f0193bdab8785ff6020cb1ec3e90

    SHA256

    4776ea388b6d0f5a604f8059670a5e1a8cec5f081139ee79d57eede7a0b3e8e7

    SHA512

    50f9e0ffcdb84503322b5f5d369724248b951058ec225b530b6fb271995554e1ac36d521a176f1a132a2a2fa3ba86c4eb8e018165c3229b265dec85a7b5336d9

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer.exe

    Filesize

    55.0MB

    MD5

    d85f90c6d47433707be542c06722082f

    SHA1

    4a456cd56b12f0193bdab8785ff6020cb1ec3e90

    SHA256

    4776ea388b6d0f5a604f8059670a5e1a8cec5f081139ee79d57eede7a0b3e8e7

    SHA512

    50f9e0ffcdb84503322b5f5d369724248b951058ec225b530b6fb271995554e1ac36d521a176f1a132a2a2fa3ba86c4eb8e018165c3229b265dec85a7b5336d9

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_de.dll

    Filesize

    446KB

    MD5

    caebe39ee0545e18dbf8b1911067e870

    SHA1

    0860784a3edcc19aa119ecffedc2ccd28f68f434

    SHA256

    0411c3a56e9795811bb075e5c6c68f424fa7a38602b6b686bcf1f7fc03ba524a

    SHA512

    fb832dc746b55b82e46b81152b6408c5c54fdc51bb351b33a1c4e21228fea19afb3de00f3f9d8a806d132b5730694d2776893e6597b8e36ba80600f942d11a38

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_Resource_en.dll

    Filesize

    390KB

    MD5

    783f63abaf07183f4d042cae9eaefa33

    SHA1

    0c6bc727c94896dc754de8862cc1173689d5bca6

    SHA256

    b5d41018e8ab410813ecafae1abccb9688f04999a2897564659979b1ffdde2b3

    SHA512

    ad5c8e8c36fe1b43f4dc7ebbd88fdba5b58475744a15ce4eeaac2564c1b3be75a2af87476881b4286f2ad8a60c8d07509e8b44c3d7d452a5d7d42e90ffe932c4

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_StaticRes.dll

    Filesize

    8.0MB

    MD5

    f670a56d9e43b1997432fbbaf77f2e6b

    SHA1

    48a9c91daba3cf46d6a4658ef03efe7dfc0424b2

    SHA256

    46e05b8b2cc683ceb0eea3bde958f786b0b27ce9ebfd5693500d5892790026dd

    SHA512

    fb95f6b4df8c7415acd5c52c9bcd5dc3483379ab1f36755d920fd0ac5c62ca76a4e6be4ffd2a131dd07c067118e49a0d8011d2db67486ee055f1d9c9be4968da

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_w32.dll

    Filesize

    461KB

    MD5

    60335c5a6fcdeb3260c131e9641e6103

    SHA1

    0255425259daef5e639aa433a5d8326ff5619c48

    SHA256

    de0d75e82ee546c2e61e1cc6ee07bf1ce3f39c3aba3cdbeb86b225d15b840717

    SHA512

    0950738ea9bcfd79d94ffd6d5671611dee33879fe995f58a74f1171b1fe82213ad0f68f5f4ad7278859f16ee9cd646f6c0b4c54a406ef829eac0ac3676ca4321

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_w32.dll

    Filesize

    461KB

    MD5

    60335c5a6fcdeb3260c131e9641e6103

    SHA1

    0255425259daef5e639aa433a5d8326ff5619c48

    SHA256

    de0d75e82ee546c2e61e1cc6ee07bf1ce3f39c3aba3cdbeb86b225d15b840717

    SHA512

    0950738ea9bcfd79d94ffd6d5671611dee33879fe995f58a74f1171b1fe82213ad0f68f5f4ad7278859f16ee9cd646f6c0b4c54a406ef829eac0ac3676ca4321

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_w32.exe

    Filesize

    344KB

    MD5

    a4837f498a7230c82e49457572b383ba

    SHA1

    c7b506ab7553034ee28c48e24b7c9e32ca174505

    SHA256

    bdd95ee41ee547219965260126c9b262026371959b62a582fccdd9c8614b2cc6

    SHA512

    43a399ec46c4fef596a0a2dfbadaf15e86359e1516adf59e8ce9948642c8c4e8f87e46e4c5561af2e43bfbc7fde65bff86dc0fc030b5960864cdb0bebe5900e8

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_x64.dll

    Filesize

    591KB

    MD5

    652756105998a4c7fb54cb1e8aad1284

    SHA1

    2205b48806a82118b2762b1442f84b73696a34b0

    SHA256

    d31ba27cbc2cbd1ab1c04e1e02103e80499ce9e7a7344c5d3446df4ae84a52da

    SHA512

    cfcf0ec640669a614f845dfed8087949fd7a4e7f33f1df891653d13e9293d786164d12f28fe1ba7f86e1a4cf4bef2132c0b7de2f7c14aedfe299e9e319452396

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tv_x64.exe

    Filesize

    405KB

    MD5

    96448e78b7e6360424ef8d60af1f09fc

    SHA1

    1ae14cfefb0fbfca56d01461263ad0f4be588abc

    SHA256

    35b6bb83181c611a596e90a0ed8628077417a6b51287b6c76b06968ec24b2551

    SHA512

    7e00f533b68d53b0c31becfc59d2132391e3242d2ef7ed532c7074dd829123ac403d4074866c022366a6844d9121adea8181de5435b6fcfbe1a3c2a5a290ff3e

  • C:\Users\Admin\AppData\Local\Temp\TeamViewer\tvinfo.ini

    Filesize

    42B

    MD5

    2cb5504587e373abf53cabbbeb4835d6

    SHA1

    e20d75c47c9f142cf5172d20dc954e82c50ea04f

    SHA256

    5db8492612377ef534466ca3335b11efa9a2fa2fb1b2fe7d2c5707bcbf130e63

    SHA512

    cf723c1de56d9512b61597d8ac969dd963de4961a233115fcc295ce5e8bf8adbd116d8ea20f2422400f13a2f2a07fd7d6a6a1c144463c3d850a59b14f23fe22e

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\System.dll

    Filesize

    23KB

    MD5

    938c37b523d7fc08166e7a5810dd0f8e

    SHA1

    47b9663e5873669211655e0010e322f71b5a94be

    SHA256

    a91aa7c0ead677fc01b1c864e43e0cace110afb072b76ad47f4b3d1563f4dc20

    SHA512

    77afe83fb4e80a775dae0a54a2f0ff9710c135f9f1cf77396bc08a7fe46b016a8c079b4fa612e764eea5d258703f860688e38b443e33b1f980e04831739517c1

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\TvGetVersion.dll

    Filesize

    226KB

    MD5

    72a2916b62850bbe1445eda79104f2bc

    SHA1

    c73cff2dc8afdb7764614943e2d3e49540ce6bc3

    SHA256

    aa301c3880417fdfab0b08f7745d403a5260f3ddcc331d7eb6281d45b9b36588

    SHA512

    f3d79ba4a94a137507731e670f78e4bbc6891ab77160366e5e45b8a0f220e7a825957a08925577d109ab952536122deca89b5fffdd89f967db8f1df41e9f2e2d

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\TvGetVersion.dll

    Filesize

    226KB

    MD5

    72a2916b62850bbe1445eda79104f2bc

    SHA1

    c73cff2dc8afdb7764614943e2d3e49540ce6bc3

    SHA256

    aa301c3880417fdfab0b08f7745d403a5260f3ddcc331d7eb6281d45b9b36588

    SHA512

    f3d79ba4a94a137507731e670f78e4bbc6891ab77160366e5e45b8a0f220e7a825957a08925577d109ab952536122deca89b5fffdd89f967db8f1df41e9f2e2d

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\TvGetVersion.dll

    Filesize

    226KB

    MD5

    72a2916b62850bbe1445eda79104f2bc

    SHA1

    c73cff2dc8afdb7764614943e2d3e49540ce6bc3

    SHA256

    aa301c3880417fdfab0b08f7745d403a5260f3ddcc331d7eb6281d45b9b36588

    SHA512

    f3d79ba4a94a137507731e670f78e4bbc6891ab77160366e5e45b8a0f220e7a825957a08925577d109ab952536122deca89b5fffdd89f967db8f1df41e9f2e2d

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\TvGetVersion.dll

    Filesize

    226KB

    MD5

    72a2916b62850bbe1445eda79104f2bc

    SHA1

    c73cff2dc8afdb7764614943e2d3e49540ce6bc3

    SHA256

    aa301c3880417fdfab0b08f7745d403a5260f3ddcc331d7eb6281d45b9b36588

    SHA512

    f3d79ba4a94a137507731e670f78e4bbc6891ab77160366e5e45b8a0f220e7a825957a08925577d109ab952536122deca89b5fffdd89f967db8f1df41e9f2e2d

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\nsis7z.dll

    Filesize

    187KB

    MD5

    7fe20cee9277556f4ef137e61d29d9f5

    SHA1

    d53c37dbf548914ed20c8ebb21186a95beef1ee3

    SHA256

    5d71aaeefbc81732017e9040c8087e6686a16dd54e6d9bcd5ba7a47af68cc925

    SHA512

    a90250214c6c5048b098e031fca5a8097854a8667330551d7694740e3bc83f7d77791d314e3ac75617ef1834b75c41e3e3d3c74da9794a207894c13fb2d4bef7

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\nsis7z.dll

    Filesize

    187KB

    MD5

    7fe20cee9277556f4ef137e61d29d9f5

    SHA1

    d53c37dbf548914ed20c8ebb21186a95beef1ee3

    SHA256

    5d71aaeefbc81732017e9040c8087e6686a16dd54e6d9bcd5ba7a47af68cc925

    SHA512

    a90250214c6c5048b098e031fca5a8097854a8667330551d7694740e3bc83f7d77791d314e3ac75617ef1834b75c41e3e3d3c74da9794a207894c13fb2d4bef7

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\nsis7z.dll

    Filesize

    187KB

    MD5

    7fe20cee9277556f4ef137e61d29d9f5

    SHA1

    d53c37dbf548914ed20c8ebb21186a95beef1ee3

    SHA256

    5d71aaeefbc81732017e9040c8087e6686a16dd54e6d9bcd5ba7a47af68cc925

    SHA512

    a90250214c6c5048b098e031fca5a8097854a8667330551d7694740e3bc83f7d77791d314e3ac75617ef1834b75c41e3e3d3c74da9794a207894c13fb2d4bef7

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\nsis7z.dll

    Filesize

    187KB

    MD5

    7fe20cee9277556f4ef137e61d29d9f5

    SHA1

    d53c37dbf548914ed20c8ebb21186a95beef1ee3

    SHA256

    5d71aaeefbc81732017e9040c8087e6686a16dd54e6d9bcd5ba7a47af68cc925

    SHA512

    a90250214c6c5048b098e031fca5a8097854a8667330551d7694740e3bc83f7d77791d314e3ac75617ef1834b75c41e3e3d3c74da9794a207894c13fb2d4bef7

  • C:\Users\Admin\AppData\Local\Temp\nsm70AE.tmp\nsis7z.dll

    Filesize

    187KB

    MD5

    7fe20cee9277556f4ef137e61d29d9f5

    SHA1

    d53c37dbf548914ed20c8ebb21186a95beef1ee3

    SHA256

    5d71aaeefbc81732017e9040c8087e6686a16dd54e6d9bcd5ba7a47af68cc925

    SHA512

    a90250214c6c5048b098e031fca5a8097854a8667330551d7694740e3bc83f7d77791d314e3ac75617ef1834b75c41e3e3d3c74da9794a207894c13fb2d4bef7

  • memory/4544-156-0x0000000006A00000-0x0000000006A32000-memory.dmp

    Filesize

    200KB