Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2023 03:36

General

  • Target

    NordVPNSetup.exe

  • Size

    1.7MB

  • MD5

    59cb69a08fdd9cb4b0539e3356df1d4d

  • SHA1

    0c773a0a76f821780c002d527bee387b98904569

  • SHA256

    bea34078c360c71fcadc1a86ebd397d081f0d589913ad43970c1a3983231f522

  • SHA512

    51d4f3d396d183bc5dcaaa0a26cf024fade9b5e5c0e73e1d2ee7663ba26bc55e799beb488d5bab8d8252147b33df6ea1209ebd730124a919940e899758842ec2

  • SSDEEP

    24576:u7FUDowAyrTVE3U5Fg23TD2D+Fz3ifFUwo433RfFcdnOtksSm:uBuZrEUWq0t9D7l

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Windows directory 2 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NordVPNSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\NordVPNSetup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\Users\Admin\AppData\Local\Temp\is-D938T.tmp\NordVPNSetup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-D938T.tmp\NordVPNSetup.tmp" /SL5="$5011E,890440,866304,C:\Users\Admin\AppData\Local\Temp\NordVPNSetup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4236
      • C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\NordVPNSetup.exe
        "C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\NordVPNSetup.exe" /webinstaller=true /DIR="C:\Program Files\NordVPN" /guid=ad059d9b-d58b-47d7-a1d7-a1877d629696
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:560
        • C:\Users\Admin\AppData\Local\Temp\is-34UGL.tmp\NordVPNSetup.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-34UGL.tmp\NordVPNSetup.tmp" /SL5="$70224,43010252,866304,C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\NordVPNSetup.exe" /webinstaller=true /DIR="C:\Program Files\NordVPN" /guid=ad059d9b-d58b-47d7-a1d7-a1877d629696
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NordVPNSetup.tmp.log

    Filesize

    932B

    MD5

    87c54d4da204ea1d4fc9489bd45d06e3

    SHA1

    f9ca47f0b16aa375eaf991dc83aec09678e6f749

    SHA256

    c282cbbfd81749788f382185502d567ca75e78030781b498e9ba976fe4d96f63

    SHA512

    172fe3085c22a5b595929e2837174412d1007335b3ef6682ac560b9ec728b2d27664ddb458a79adc59fe1344077a71719660b3b911f926b7080bfb49bff9dc21

  • C:\Users\Admin\AppData\Local\Temp\is-34UGL.tmp\NordVPNSetup.tmp

    Filesize

    3.1MB

    MD5

    11e0dbb5324e73889a8e9192d5cd4d72

    SHA1

    a43aa85ab6063fe27f44cf1eaae5048ec7a2d8ac

    SHA256

    5e2029e7f0fc4b9b34b10cf2d74d6e7da628d82cecc0c200b21fb145ce7e218b

    SHA512

    4001a4e9dbf572679ee6ac0fbce34a6728aa7b67e216669e1f1ce3c8030cf4fbe4a1d9e9520bb0f237054bf753d9a2b6f7102057eb421cd60c5c55f276aa0241

  • C:\Users\Admin\AppData\Local\Temp\is-D938T.tmp\NordVPNSetup.tmp

    Filesize

    3.1MB

    MD5

    29ca787f3a0d83846b7318d02fccb583

    SHA1

    b3688c01bef0e9f1fe62dc831926df3ca92b3778

    SHA256

    746b972e21acb59e4086b5b25fe53ef2cddcecfa94dd56ad68c8e5bab9960c3c

    SHA512

    a6c21bf5590dc91a5d9bc729d9c04c20b54341d3270efd2fb7d2b548d7dc7b23a1a351147a07dfd569e901a608cb44533304de10725cb02fec781cada80b8e3b

  • C:\Users\Admin\AppData\Local\Temp\is-EF6S5.tmp\Nord.Setup.dll

    Filesize

    43KB

    MD5

    53a850046b587d10f889986352899585

    SHA1

    24835cd6bd178322e6b466aac990caa4aa2e6408

    SHA256

    3796bc0a6603c07c77cfacf26207ba1b5a122b6f02791a81c199aa7804dd3185

    SHA512

    b4f05cffbffd159ff5e2eee81213732aef4f5f280f018e849368928c48ffadb73b5725578acb15c2c437ac1a2bf3065c705b3eb9713b8d7298e0f3c45c779a6b

  • C:\Users\Admin\AppData\Local\Temp\is-EF6S5.tmp\Nord.Setup.dll

    Filesize

    43KB

    MD5

    53a850046b587d10f889986352899585

    SHA1

    24835cd6bd178322e6b466aac990caa4aa2e6408

    SHA256

    3796bc0a6603c07c77cfacf26207ba1b5a122b6f02791a81c199aa7804dd3185

    SHA512

    b4f05cffbffd159ff5e2eee81213732aef4f5f280f018e849368928c48ffadb73b5725578acb15c2c437ac1a2bf3065c705b3eb9713b8d7298e0f3c45c779a6b

  • C:\Users\Admin\AppData\Local\Temp\is-EF6S5.tmp\Nord.Setup.dll

    Filesize

    43KB

    MD5

    53a850046b587d10f889986352899585

    SHA1

    24835cd6bd178322e6b466aac990caa4aa2e6408

    SHA256

    3796bc0a6603c07c77cfacf26207ba1b5a122b6f02791a81c199aa7804dd3185

    SHA512

    b4f05cffbffd159ff5e2eee81213732aef4f5f280f018e849368928c48ffadb73b5725578acb15c2c437ac1a2bf3065c705b3eb9713b8d7298e0f3c45c779a6b

  • C:\Users\Admin\AppData\Local\Temp\is-EF6S5.tmp\Nord.Setup.dll

    Filesize

    43KB

    MD5

    53a850046b587d10f889986352899585

    SHA1

    24835cd6bd178322e6b466aac990caa4aa2e6408

    SHA256

    3796bc0a6603c07c77cfacf26207ba1b5a122b6f02791a81c199aa7804dd3185

    SHA512

    b4f05cffbffd159ff5e2eee81213732aef4f5f280f018e849368928c48ffadb73b5725578acb15c2c437ac1a2bf3065c705b3eb9713b8d7298e0f3c45c779a6b

  • C:\Users\Admin\AppData\Local\Temp\is-EF6S5.tmp\VerifyTrust.dll

    Filesize

    85KB

    MD5

    ab438880e6ef46159e25dd6bc3c193f0

    SHA1

    169b937a961a60e0ad4aa85be9eaa225aa787c8a

    SHA256

    62da48371812d007e0083c65682b5a80f4e0050acd4abba8753675d79ddfca26

    SHA512

    645caaceb16f0d7533d47cc601a32e4d872ecfd47e20cf98a555dee1f43d1d69b272fbc6149481aef7d5ef059335dc7639a0a6fc8c52f4921defb8b03b9efdfe

  • C:\Users\Admin\AppData\Local\Temp\is-EF6S5.tmp\isxdl.dll

    Filesize

    169KB

    MD5

    7998a1a52eedde342de34b4147006419

    SHA1

    8fad49145668b4387d233e296b6f57342c7a1a55

    SHA256

    48003909f632c53e9ab7edaf8660b6a12070325d733c7c14f0e3c2d72487a8fc

    SHA512

    5d217922dfeecae213dfa950c3bdd402c27fc8ffec0de31ec6a457811c45a230e0a940d2dd8736be192785dfb77cfeba7bb6bda74ff0050a9ee1b05c3c4486b4

  • C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\Nord.Setup.dll

    Filesize

    40KB

    MD5

    b18bd486c5718397bc65d77a16ce2593

    SHA1

    58fe73e27c5c04e6915c5358f698f7fe8c2b5af8

    SHA256

    0bbf32b0553ca1292602e8c2c0458e075fdee2c8b6ef8ea81e924a86bc065f3c

    SHA512

    f4ffa1c8983914c41657fecc11c9324caa5899ad875b9687da8ffcf79ab189f19d6f926e16f09f240de9e6b22e26691fae785ed95657af310de5bf6c58ce8e0e

  • C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\Nord.Setup.dll

    Filesize

    40KB

    MD5

    b18bd486c5718397bc65d77a16ce2593

    SHA1

    58fe73e27c5c04e6915c5358f698f7fe8c2b5af8

    SHA256

    0bbf32b0553ca1292602e8c2c0458e075fdee2c8b6ef8ea81e924a86bc065f3c

    SHA512

    f4ffa1c8983914c41657fecc11c9324caa5899ad875b9687da8ffcf79ab189f19d6f926e16f09f240de9e6b22e26691fae785ed95657af310de5bf6c58ce8e0e

  • C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\Nord.Setup.dll

    Filesize

    40KB

    MD5

    b18bd486c5718397bc65d77a16ce2593

    SHA1

    58fe73e27c5c04e6915c5358f698f7fe8c2b5af8

    SHA256

    0bbf32b0553ca1292602e8c2c0458e075fdee2c8b6ef8ea81e924a86bc065f3c

    SHA512

    f4ffa1c8983914c41657fecc11c9324caa5899ad875b9687da8ffcf79ab189f19d6f926e16f09f240de9e6b22e26691fae785ed95657af310de5bf6c58ce8e0e

  • C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\Nord.Setup.dll

    Filesize

    40KB

    MD5

    b18bd486c5718397bc65d77a16ce2593

    SHA1

    58fe73e27c5c04e6915c5358f698f7fe8c2b5af8

    SHA256

    0bbf32b0553ca1292602e8c2c0458e075fdee2c8b6ef8ea81e924a86bc065f3c

    SHA512

    f4ffa1c8983914c41657fecc11c9324caa5899ad875b9687da8ffcf79ab189f19d6f926e16f09f240de9e6b22e26691fae785ed95657af310de5bf6c58ce8e0e

  • C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\NordVPNSetup.exe

    Filesize

    41.9MB

    MD5

    1108eb1dc2a4071e9209f926e0d3a01c

    SHA1

    d22942bafb16c4237047bb21cf035ffe064158c8

    SHA256

    ed30fd6841da76e9178e890a00ce9988a891a327dca7220a899cd85c4a40ecbc

    SHA512

    b3cc96f508641dc17581d2d39251817d773719561a2f65ad9f3c4a9f74250b66e459f5c5a85e63bc58d8c646ddc4d577a66894e5157cc6a4293b568a02c95ff0

  • C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\NordVPNSetup.exe

    Filesize

    41.9MB

    MD5

    1108eb1dc2a4071e9209f926e0d3a01c

    SHA1

    d22942bafb16c4237047bb21cf035ffe064158c8

    SHA256

    ed30fd6841da76e9178e890a00ce9988a891a327dca7220a899cd85c4a40ecbc

    SHA512

    b3cc96f508641dc17581d2d39251817d773719561a2f65ad9f3c4a9f74250b66e459f5c5a85e63bc58d8c646ddc4d577a66894e5157cc6a4293b568a02c95ff0

  • C:\Users\Admin\AppData\Local\Temp\is-LHF35.tmp\NordVPNSetup.exe

    Filesize

    41.9MB

    MD5

    1108eb1dc2a4071e9209f926e0d3a01c

    SHA1

    d22942bafb16c4237047bb21cf035ffe064158c8

    SHA256

    ed30fd6841da76e9178e890a00ce9988a891a327dca7220a899cd85c4a40ecbc

    SHA512

    b3cc96f508641dc17581d2d39251817d773719561a2f65ad9f3c4a9f74250b66e459f5c5a85e63bc58d8c646ddc4d577a66894e5157cc6a4293b568a02c95ff0

  • memory/464-26-0x0000000000400000-0x00000000004E1000-memory.dmp

    Filesize

    900KB

  • memory/464-106-0x0000000000400000-0x00000000004E1000-memory.dmp

    Filesize

    900KB

  • memory/464-0-0x0000000000400000-0x00000000004E1000-memory.dmp

    Filesize

    900KB

  • memory/560-80-0x0000000000400000-0x00000000004E1000-memory.dmp

    Filesize

    900KB

  • memory/560-107-0x0000000000400000-0x00000000004E1000-memory.dmp

    Filesize

    900KB

  • memory/3808-130-0x0000000000400000-0x000000000071C000-memory.dmp

    Filesize

    3.1MB

  • memory/3808-128-0x0000000073D00000-0x00000000744B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3808-129-0x00000000745A0000-0x00000000745B0000-memory.dmp

    Filesize

    64KB

  • memory/3808-93-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

    Filesize

    4KB

  • memory/3808-127-0x0000000003680000-0x0000000003690000-memory.dmp

    Filesize

    64KB

  • memory/4236-25-0x0000000007C80000-0x00000000081AC000-memory.dmp

    Filesize

    5.2MB

  • memory/4236-29-0x0000000000D30000-0x0000000000D31000-memory.dmp

    Filesize

    4KB

  • memory/4236-27-0x0000000000400000-0x000000000071B000-memory.dmp

    Filesize

    3.1MB

  • memory/4236-103-0x0000000000400000-0x000000000071B000-memory.dmp

    Filesize

    3.1MB

  • memory/4236-75-0x0000000000400000-0x000000000071B000-memory.dmp

    Filesize

    3.1MB

  • memory/4236-24-0x0000000074180000-0x0000000074930000-memory.dmp

    Filesize

    7.7MB

  • memory/4236-23-0x0000000074A20000-0x0000000074A30000-memory.dmp

    Filesize

    64KB

  • memory/4236-104-0x0000000074180000-0x0000000074930000-memory.dmp

    Filesize

    7.7MB

  • memory/4236-22-0x0000000003760000-0x0000000003770000-memory.dmp

    Filesize

    64KB

  • memory/4236-18-0x0000000003770000-0x0000000003780000-memory.dmp

    Filesize

    64KB

  • memory/4236-91-0x0000000000400000-0x000000000071B000-memory.dmp

    Filesize

    3.1MB

  • memory/4236-31-0x0000000003770000-0x0000000003780000-memory.dmp

    Filesize

    64KB

  • memory/4236-5-0x0000000000D30000-0x0000000000D31000-memory.dmp

    Filesize

    4KB

  • memory/4236-32-0x0000000074180000-0x0000000074930000-memory.dmp

    Filesize

    7.7MB