Resubmissions

19-09-2024 12:37

240919-ptfczaydpa 8

19-09-2024 12:33

240919-prhqbaygnn 8

Analysis

  • max time kernel
    133s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19-09-2024 12:33

General

  • Target

    Nitro Generator with Checker/NitroGen.exe

  • Size

    181KB

  • MD5

    4e365e8ccd70afbd3bb87ff051cc04cc

  • SHA1

    019d2786471cd7e9d860b2d2f35beae8f70f5e0f

  • SHA256

    a5460367bad0aa216b9d13f150ac125eb0c32aff9f70c1d081fb579e36b2ec99

  • SHA512

    ac90d76d2f7883c49f8b3a0f322e0c37d93840a5bdf8f8f37d81c9d7572deb1e82be5b3ecd585b6596d77b6ef9f2cc9e5e6797ec008cb6b2ab4f148266490ecb

  • SSDEEP

    768:Eec4lj/TePn4d3TNDI+eFdNwPfeivrm/J/aKr9n8RA3LfzIh:s4l3ePiO+eF3wPfeivrEFBfUh

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 15 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nitro Generator with Checker\NitroGen.exe
    "C:\Users\Admin\AppData\Local\Temp\Nitro Generator with Checker\NitroGen.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4104
    • C:\Users\Admin\AppData\Local\Temp\Nitro Generator with Checker\WebDriver\Launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\Nitro Generator with Checker\WebDriver\Launcher.exe"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4968
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath C:\Windows\IMF\
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1468
      • C:\Windows\IMF\Windows Services.exe
        "C:\Windows\IMF\Windows Services.exe" {Arguments If Needed}
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1476
        • C:\Windows\IMF\Secure System Shell.exe
          "C:\Windows\IMF\Secure System Shell.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2284
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1096
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:4564
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:4464
    • C:\Users\Admin\AppData\Local\Temp\Nitro Generator with Checker\WebDriver\Jint.exe
      "C:\Users\Admin\AppData\Local\Temp\Nitro Generator with Checker\WebDriver\Jint.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4296
      • C:\Users\Admin\AppData\Local\Temp\Nitro Generator with Checker\WebDriver\Jint.exe
        "C:\Users\Admin\AppData\Local\Temp\Nitro Generator with Checker\WebDriver\Jint.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c cls
          4⤵
            PID:3464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\VCRUNTIME140.dll

      Filesize

      94KB

      MD5

      18049f6811fc0f94547189a9e104f5d2

      SHA1

      dc127fa1ff0aab71abd76b89fc4b849ad3cf43a6

      SHA256

      c865c3366a98431ec3a5959cb5ac3966081a43b82dfcd8bfefafe0146b1508db

      SHA512

      38fa01debdb8c5369b3be45b1384434acb09a6afe75a50a31b3f0babb7bc0550261a5376dd7e5beac74234ec1722967a33fc55335b1809c0b64db42f7e56cdf7

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\_bz2.pyd

      Filesize

      84KB

      MD5

      a991152fd5b8f2a0eb6c34582adf7111

      SHA1

      3589342abea22438e28aa0a0a86e2e96e08421a1

      SHA256

      7301fc2447e7e6d599472d2c52116fbe318a9ff9259b8a85981c419bfd20e3ef

      SHA512

      f039ac9473201d27882c0c11e5628a10bdbe5b4c9b78ead246fd53f09d25e74c984e9891fccbc27c63edc8846d5e70f765ca7b77847a45416675d2e7c04964fc

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\_ctypes.pyd

      Filesize

      124KB

      MD5

      7322f8245b5c8551d67c337c0dc247c9

      SHA1

      5f4cb918133daa86631211ae7fa65f26c23fcc98

      SHA256

      4fcf4c9c98b75a07a7779c52e1f7dff715ae8a2f8a34574e9dac66243fb86763

      SHA512

      52748b59ce5d488d2a4438548963eb0f2808447c563916e2917d08e5f4aab275e4769c02b63012b3d2606fdb5a8baa9eb5942ba5c5e11b7678f5f4187b82b0c2

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\_hashlib.pyd

      Filesize

      64KB

      MD5

      88e2bf0a590791891fb5125ffcf5a318

      SHA1

      39f96abbabf3fdd46844ba5190d2043fb8388696

      SHA256

      e7aecb61a54dcc77b6d9cafe9a51fd1f8d78b2194cc3baf6304bbd1edfd0aee6

      SHA512

      7d91d2fa95bb0ffe92730679b9a82e13a3a6b9906b2c7f69bc9065f636a20be65e1d6e7a557bfd6e4b80edd0f00db92eb7fea06345c2c9b98176c65d18c4bdbf

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\_lzma.pyd

      Filesize

      159KB

      MD5

      cdd13b537dad6a910cb9cbb932770dc9

      SHA1

      b37706590d5b6f18c042119d616df6ff8ce3ad46

      SHA256

      638cd8c336f90629a6260e67827833143939497d542838846f4fc94b2475bb3e

      SHA512

      c375fb6914cda3ae7829d016d3084f3b5b9f78f200a62f076ec1646576f87694eec7fa6f1c99cbe30824f2fe6e2d61ecdeb50061383b12143cd2678004703199

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\_queue.pyd

      Filesize

      28KB

      MD5

      f19d9a56df14aea465e7ead84751ea5f

      SHA1

      f170ccbeb8fb4a1e0fe56f9a7c20ae4c1a48e4a9

      SHA256

      17ccd37dfba38bba706189d12ed28ca32c7330cc60db7bf203bf7198287073e4

      SHA512

      2b69a11026bf4fe3792082d57eaf3b24713e7bd44dfd61ccaa6e5adb6771e49b6c81c1b542fbb159c9055db9739b9c4473a856914c72683a2a4cf658d6d7a469

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\_socket.pyd

      Filesize

      78KB

      MD5

      478abd499eefeba3e50cfc4ff50ec49d

      SHA1

      fe1aae16b411a9c349b0ac1e490236d4d55b95b2

      SHA256

      fdb14859efee35e105f21a64f7afdf50c399ffa0fa8b7fcc76dae4b345d946cb

      SHA512

      475b8d533599991b4b8bfd27464b379d78e51c41f497e81698b4e7e871f82b5f6b2bfec70ec2c0a1a8842611c8c2591133eaef3f7fc4bc7625e18fc4189c914e

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\_ssl.pyd

      Filesize

      151KB

      MD5

      cf7886b3ac590d2ea1a6efe4ee47dc20

      SHA1

      8157a0c614360162588f698a2b0a4efe321ea427

      SHA256

      3d183c1b3a24d634387cce3835f58b8e1322bf96ab03f9fe9f02658fb17d1f8c

      SHA512

      b171f7d683621fdab5989bfed20c3f6479037035f334ea9a19feb1184f46976095a7666170a06f1258c6ddf2c1f8bdb4e31cbfd33d3b8fa4b330f097d1c09d81

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\base_library.zip

      Filesize

      763KB

      MD5

      abbe5270af3906f418a479c104a04a5a

      SHA1

      520c6184459e9b526ffaefb985a1446d3511c028

      SHA256

      4d9abd9354a1a7554109a4a01f23d0b18e34b8fd1e953a2ede4cbca7952e695e

      SHA512

      a0c790f99fe4e7a02ab5107bcfa025e30ccb468b7b8f4f528fc34d6ad670087a5ff95ad38568b8ff0ec254a9fcad7fde743a1b98720277604720454bdb48ae55

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\libcrypto-1_1.dll

      Filesize

      3.2MB

      MD5

      89511df61678befa2f62f5025c8c8448

      SHA1

      df3961f833b4964f70fcf1c002d9fd7309f53ef8

      SHA256

      296426e7ce11bc3d1cfa9f2aeb42f60c974da4af3b3efbeb0ba40e92e5299fdf

      SHA512

      9af069ea13551a4672fdd4635d3242e017837b76ab2815788148dd4c44b4cf3a650d43ac79cd2122e1e51e01fb5164e71ff81a829395bdb8e50bb50a33f0a668

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\libffi-7.dll

      Filesize

      32KB

      MD5

      eef7981412be8ea459064d3090f4b3aa

      SHA1

      c60da4830ce27afc234b3c3014c583f7f0a5a925

      SHA256

      f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081

      SHA512

      dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\libssl-1_1.dll

      Filesize

      674KB

      MD5

      50bcfb04328fec1a22c31c0e39286470

      SHA1

      3a1b78faf34125c7b8d684419fa715c367db3daa

      SHA256

      fddd0da02dcd41786e9aa04ba17ba391ce39dae6b1f54cfa1e2bb55bc753fce9

      SHA512

      370e6dfd318d905b79baf1808efbf6da58590f00006513bdaaed0c313f6fa6c36f634ea3b05f916cee59f4db25a23dd9e6f64caf3c04a200e78c193027f57685

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\python39.dll

      Filesize

      4.3MB

      MD5

      1d5e4c20a20740f38f061bdf48aaca4f

      SHA1

      de1b64ab5219aa6fef95cd2b0ccead1c925fd0d0

      SHA256

      f8172151d11bcf934f2a7518cd0d834e3f079bd980391e9da147ce4cff72c366

      SHA512

      9df64c97e4e993e815fdaf7e8ecbc3ce32aa8d979f8f4f7a732b2efa636cfeb9a145fe2c2dcdf2e5e9247ee376625e1fdc62f9657e8007bb504336ac8d05a397

    • C:\Users\Admin\AppData\Local\Temp\_MEI42962\unicodedata.pyd

      Filesize

      1.1MB

      MD5

      cd12c15c6eef60d9ea058cd4092e5d1b

      SHA1

      57a7c0b0468f0be8e824561b45f86e0aa0db28dd

      SHA256

      e3ab6e5749a64e04ee8547f71748303ba159dd68dfc402cb69356f35e645badd

      SHA512

      514e76174f977cc73300bc40ff170007a444e743a39947d5e2f76e60b2a149c16d57b42b6a82a7fea8dd4e9addb3e876d8ab50ea1898ee896c1907667277cf00

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kxe3irl2.utk.ps1

      Filesize

      1B

      MD5

      c4ca4238a0b923820dcc509a6f75849b

      SHA1

      356a192b7913b04c54574d18c28d46e6395428ab

      SHA256

      6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

      SHA512

      4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

    • C:\Windows\IMF\Runtime Explorer.exe

      Filesize

      152KB

      MD5

      03f5e0141f4519f0c5ac26ce0b036a0f

      SHA1

      4f7a2a230e7a194a898cc9f2d563ac8777fe99c0

      SHA256

      78a408c628e33e3332645f480ee7ce01b5dc24fc96cf16ffa0868d43f3d421ef

      SHA512

      86a68f040654006e06b51c5714e0d7168d0d1bef7f3c39843632068104f773f771d21be4bc251d712f3e915cd1058f89ad31d9e3f3d9e7cf6da6785cbf22d8d7

    • C:\Windows\IMF\Secure System Shell.exe

      Filesize

      45KB

      MD5

      7d0c7359e5b2daa5665d01afdc98cc00

      SHA1

      c3cc830c8ffd0f53f28d89dcd9f3426be87085cb

      SHA256

      f1abd5ab03189e82971513e6ca04bd372fcf234d670079888f01cf4addd49809

      SHA512

      a8f82b11b045d8dd744506f4f56f3382b33a03684a6aebc91a02ea901c101b91cb43b7d0213f72f39cbb22f616ecd5de8b9e6c99fb5669f26a3ea6bcb63c8407

    • C:\Windows\IMF\Windows Services.exe

      Filesize

      46KB

      MD5

      ad0ce1302147fbdfecaec58480eb9cf9

      SHA1

      874efbc76e5f91bc1425a43ea19400340f98d42b

      SHA256

      2c339b52b82e73b4698a0110cdfe310c00c5c69078e9e1bd6fa1308652bf82a3

      SHA512

      adccd5520e01b673c2fc5c451305fe31b1a3e74891aece558f75fefc50218adf1fb81bb8c7f19969929d3fecb0fdb2cb5b564400d51e0a5a1ad8d5bc2d4eed53

    • \Users\Admin\AppData\Local\Temp\_MEI42962\select.pyd

      Filesize

      28KB

      MD5

      fed3dae56f7c9ea35d2e896fede29581

      SHA1

      ae5b2ef114138c4d8a6479d6441967c170c5aa23

      SHA256

      d56542143775d02c70ad713ac36f295d473329ef3ad7a2999811d12151512931

      SHA512

      3128c57724b0609cfcaca430568d79b0e6abd13e5bba25295493191532dba24af062d4e0340d0ed68a885c24fbbf36b7a3d650add2f47f7c2364eab6a0b5faff

    • memory/1468-334-0x00000000099B0000-0x00000000099CA000-memory.dmp

      Filesize

      104KB

    • memory/1468-134-0x0000000009A10000-0x0000000009AA4000-memory.dmp

      Filesize

      592KB

    • memory/1468-24-0x00000000083D0000-0x000000000841B000-memory.dmp

      Filesize

      300KB

    • memory/1468-17-0x0000000007580000-0x00000000075A2000-memory.dmp

      Filesize

      136KB

    • memory/1468-16-0x00000000075B0000-0x0000000007BD8000-memory.dmp

      Filesize

      6.2MB

    • memory/1468-52-0x0000000008660000-0x00000000086D6000-memory.dmp

      Filesize

      472KB

    • memory/1468-15-0x0000000006E70000-0x0000000006EA6000-memory.dmp

      Filesize

      216KB

    • memory/1468-339-0x00000000099A0000-0x00000000099A8000-memory.dmp

      Filesize

      32KB

    • memory/1468-19-0x0000000007F10000-0x0000000007F76000-memory.dmp

      Filesize

      408KB

    • memory/1468-23-0x0000000007D80000-0x0000000007D9C000-memory.dmp

      Filesize

      112KB

    • memory/1468-133-0x0000000009830000-0x00000000098D5000-memory.dmp

      Filesize

      660KB

    • memory/1468-20-0x0000000007F80000-0x00000000082D0000-memory.dmp

      Filesize

      3.3MB

    • memory/1468-128-0x00000000094D0000-0x00000000094EE000-memory.dmp

      Filesize

      120KB

    • memory/1468-127-0x000000006EB60000-0x000000006EBAB000-memory.dmp

      Filesize

      300KB

    • memory/1468-126-0x0000000009700000-0x0000000009733000-memory.dmp

      Filesize

      204KB

    • memory/1468-18-0x0000000007C50000-0x0000000007CB6000-memory.dmp

      Filesize

      408KB

    • memory/1476-125-0x00000000008A0000-0x00000000008B2000-memory.dmp

      Filesize

      72KB

    • memory/2284-207-0x0000000000FD0000-0x0000000000FE2000-memory.dmp

      Filesize

      72KB

    • memory/4104-5-0x00000000055C0000-0x00000000055CA000-memory.dmp

      Filesize

      40KB

    • memory/4104-4-0x0000000005690000-0x0000000005722000-memory.dmp

      Filesize

      584KB

    • memory/4104-0-0x000000007344E000-0x000000007344F000-memory.dmp

      Filesize

      4KB

    • memory/4104-2-0x00000000054C0000-0x000000000555C000-memory.dmp

      Filesize

      624KB

    • memory/4104-3-0x0000000005B90000-0x000000000608E000-memory.dmp

      Filesize

      5.0MB

    • memory/4104-22-0x0000000073440000-0x0000000073B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/4104-7-0x0000000073440000-0x0000000073B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/4104-1-0x0000000000B70000-0x0000000000BA4000-memory.dmp

      Filesize

      208KB

    • memory/4104-6-0x00000000057F0000-0x0000000005846000-memory.dmp

      Filesize

      344KB

    • memory/4968-124-0x0000000073440000-0x0000000073B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/4968-8-0x0000000073440000-0x0000000073B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/4968-9-0x0000000000BE0000-0x0000000000BF4000-memory.dmp

      Filesize

      80KB

    • memory/4968-10-0x0000000073440000-0x0000000073B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/4968-11-0x0000000006A40000-0x0000000006ABE000-memory.dmp

      Filesize

      504KB

    • memory/4968-12-0x0000000073440000-0x0000000073B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/4968-111-0x00000000076C0000-0x00000000076DE000-memory.dmp

      Filesize

      120KB