Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 09:45

General

  • Target

    7bdd03378063066b09faaf995de8a0548381afdba5ed742599b7616192c6ca2a.exe

  • Size

    4.6MB

  • MD5

    0323ae23d7c56924912bc262bfac689b

  • SHA1

    c58065b4cdf8871c1f59af94e8241af414ea478e

  • SHA256

    7bdd03378063066b09faaf995de8a0548381afdba5ed742599b7616192c6ca2a

  • SHA512

    5633f4075ca82147c641e1db29835a73f4d0312b07ec69e9f58217c873afc57dae006f3c6b726f768cd45d1b0f4d2ca06384a85bcb4d2026e68b428e4ee072d0

  • SSDEEP

    98304:nLtkZmzpySsQdbyuvoBYU8XlpTmCoFyCMPYT+Hrj:nLygVK9ieYrX3mCoFl6Mkj

Malware Config

Signatures

  • Nirsoft 4 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops Chrome extension 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bdd03378063066b09faaf995de8a0548381afdba5ed742599b7616192c6ca2a.exe
    "C:\Users\Admin\AppData\Local\Temp\7bdd03378063066b09faaf995de8a0548381afdba5ed742599b7616192c6ca2a.exe"
    1⤵
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\gdiview.msi"
      2⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4440
    • C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe
      C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe 0011 user05
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Checks SCSI registry key(s)
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        3⤵
          PID:4088
        • C:\Users\Admin\AppData\Roaming\1669394810252.exe
          "C:\Users\Admin\AppData\Roaming\1669394810252.exe" /sjson "C:\Users\Admin\AppData\Roaming\1669394810252.txt"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3888
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          3⤵
            PID:4884
          • C:\Users\Admin\AppData\Roaming\1669394841737.exe
            "C:\Users\Admin\AppData\Roaming\1669394841737.exe" /sjson "C:\Users\Admin\AppData\Roaming\1669394841737.txt"
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:4652
          • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
            C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe ThunderFW "C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe"
            3⤵
            • Executes dropped EXE
            PID:2088
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1480
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 3
              4⤵
              • Runs ping.exe
              PID:3460
        • C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe
          C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe 200 user05
          2⤵
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Drops Chrome extension
          • Writes to the Master Boot Record (MBR)
          • Checks SCSI registry key(s)
          • Suspicious use of WriteProcessMemory
          PID:3208
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c taskkill /f /im chrome.exe
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2008
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im chrome.exe
              4⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:2388
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3668
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 3
              4⤵
              • Runs ping.exe
              PID:1844
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\7bdd03378063066b09faaf995de8a0548381afdba5ed742599b7616192c6ca2a.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4276
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 3
            3⤵
            • Runs ping.exe
            PID:5048
      • C:\Windows\system32\msiexec.exe
        C:\Windows\system32\msiexec.exe /V
        1⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1512
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 8A8D16EB30685FFACEFA466392F332E8 C
          2⤵
          • Loads dropped DLL
          PID:720

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe
        Filesize

        4.6MB

        MD5

        0323ae23d7c56924912bc262bfac689b

        SHA1

        c58065b4cdf8871c1f59af94e8241af414ea478e

        SHA256

        7bdd03378063066b09faaf995de8a0548381afdba5ed742599b7616192c6ca2a

        SHA512

        5633f4075ca82147c641e1db29835a73f4d0312b07ec69e9f58217c873afc57dae006f3c6b726f768cd45d1b0f4d2ca06384a85bcb4d2026e68b428e4ee072d0

      • C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe
        Filesize

        4.6MB

        MD5

        0323ae23d7c56924912bc262bfac689b

        SHA1

        c58065b4cdf8871c1f59af94e8241af414ea478e

        SHA256

        7bdd03378063066b09faaf995de8a0548381afdba5ed742599b7616192c6ca2a

        SHA512

        5633f4075ca82147c641e1db29835a73f4d0312b07ec69e9f58217c873afc57dae006f3c6b726f768cd45d1b0f4d2ca06384a85bcb4d2026e68b428e4ee072d0

      • C:\Users\Admin\AppData\Local\Temp\057976BDE27DC7F9.exe
        Filesize

        4.6MB

        MD5

        0323ae23d7c56924912bc262bfac689b

        SHA1

        c58065b4cdf8871c1f59af94e8241af414ea478e

        SHA256

        7bdd03378063066b09faaf995de8a0548381afdba5ed742599b7616192c6ca2a

        SHA512

        5633f4075ca82147c641e1db29835a73f4d0312b07ec69e9f58217c873afc57dae006f3c6b726f768cd45d1b0f4d2ca06384a85bcb4d2026e68b428e4ee072d0

      • C:\Users\Admin\AppData\Local\Temp\MSI20B7.tmp
        Filesize

        6KB

        MD5

        84878b1a26f8544bda4e069320ad8e7d

        SHA1

        51c6ee244f5f2fa35b563bffb91e37da848a759c

        SHA256

        809aab5eace34dfbfb2b3d45462d42b34fcb95b415201d0d625414b56e437444

        SHA512

        4742b84826961f590e0a2d6cc85a60b59ca4d300c58be5d0c33eb2315cefaf5627ae5ed908233ad51e188ce53ca861cf5cf8c1aa2620dc2667f83f98e627b549

      • C:\Users\Admin\AppData\Local\Temp\MSI20B7.tmp
        Filesize

        6KB

        MD5

        84878b1a26f8544bda4e069320ad8e7d

        SHA1

        51c6ee244f5f2fa35b563bffb91e37da848a759c

        SHA256

        809aab5eace34dfbfb2b3d45462d42b34fcb95b415201d0d625414b56e437444

        SHA512

        4742b84826961f590e0a2d6cc85a60b59ca4d300c58be5d0c33eb2315cefaf5627ae5ed908233ad51e188ce53ca861cf5cf8c1aa2620dc2667f83f98e627b549

      • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
        Filesize

        71KB

        MD5

        f0372ff8a6148498b19e04203dbb9e69

        SHA1

        27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

        SHA256

        298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

        SHA512

        65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

      • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
        Filesize

        71KB

        MD5

        f0372ff8a6148498b19e04203dbb9e69

        SHA1

        27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

        SHA256

        298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

        SHA512

        65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

      • C:\Users\Admin\AppData\Local\Temp\gdiview.msi
        Filesize

        231KB

        MD5

        7cc103f6fd70c6f3a2d2b9fca0438182

        SHA1

        699bd8924a27516b405ea9a686604b53b4e23372

        SHA256

        dbd9f2128f0b92b21ef99a1d7a0f93f14ebe475dba436d8b1562677821b918a1

        SHA512

        92ec9590e32a0cf810fc5d15ca9d855c86e5b8cb17cf45dd68bcb972bd78692436535adf9f510259d604e0a8ba2e25c6d2616df242261eb7b09a0ca5c6c2c128

      • C:\Users\Admin\AppData\Roaming\1669394810252.exe
        Filesize

        101KB

        MD5

        ef6f72358cb02551caebe720fbc55f95

        SHA1

        b5ee276e8d479c270eceb497606bd44ee09ff4b8

        SHA256

        6562bdcbf775e04d8238c2b52a4e8df5afa1e35d1d33d1e4508cfe040676c1e5

        SHA512

        ea3f0cf40ed3aa3e43b7a19ed6412027f76f9d2d738e040e6459415aa1e5ef13c29ca830a66430c33e492558f7c5f0cc86e1df9474322f231f8506e49c3a1a90

      • C:\Users\Admin\AppData\Roaming\1669394810252.exe
        Filesize

        101KB

        MD5

        ef6f72358cb02551caebe720fbc55f95

        SHA1

        b5ee276e8d479c270eceb497606bd44ee09ff4b8

        SHA256

        6562bdcbf775e04d8238c2b52a4e8df5afa1e35d1d33d1e4508cfe040676c1e5

        SHA512

        ea3f0cf40ed3aa3e43b7a19ed6412027f76f9d2d738e040e6459415aa1e5ef13c29ca830a66430c33e492558f7c5f0cc86e1df9474322f231f8506e49c3a1a90

      • C:\Users\Admin\AppData\Roaming\1669394810252.txt
        Filesize

        6KB

        MD5

        8e86b0667ff6922dcf0cbdaba5e84c57

        SHA1

        179d987540db7950f6ca1967f0c1f76643307b5a

        SHA256

        238c6eebb5359eaae52a068e28b130f5021a37625089e9de367710703acfc9e7

        SHA512

        343321270ca0c5e786ad5bf77ed756bca510b7798d5c36740ca97a3e478e47fa10dceeda3a2173346e5769fc37a9bff1fde34a45034baa80a02386c6d28a24f8

      • C:\Users\Admin\AppData\Roaming\1669394841737.exe
        Filesize

        101KB

        MD5

        ef6f72358cb02551caebe720fbc55f95

        SHA1

        b5ee276e8d479c270eceb497606bd44ee09ff4b8

        SHA256

        6562bdcbf775e04d8238c2b52a4e8df5afa1e35d1d33d1e4508cfe040676c1e5

        SHA512

        ea3f0cf40ed3aa3e43b7a19ed6412027f76f9d2d738e040e6459415aa1e5ef13c29ca830a66430c33e492558f7c5f0cc86e1df9474322f231f8506e49c3a1a90

      • C:\Users\Admin\AppData\Roaming\1669394841737.exe
        Filesize

        101KB

        MD5

        ef6f72358cb02551caebe720fbc55f95

        SHA1

        b5ee276e8d479c270eceb497606bd44ee09ff4b8

        SHA256

        6562bdcbf775e04d8238c2b52a4e8df5afa1e35d1d33d1e4508cfe040676c1e5

        SHA512

        ea3f0cf40ed3aa3e43b7a19ed6412027f76f9d2d738e040e6459415aa1e5ef13c29ca830a66430c33e492558f7c5f0cc86e1df9474322f231f8506e49c3a1a90

      • C:\Users\Admin\AppData\Roaming\1669394841737.txt
        Filesize

        6KB

        MD5

        8e86b0667ff6922dcf0cbdaba5e84c57

        SHA1

        179d987540db7950f6ca1967f0c1f76643307b5a

        SHA256

        238c6eebb5359eaae52a068e28b130f5021a37625089e9de367710703acfc9e7

        SHA512

        343321270ca0c5e786ad5bf77ed756bca510b7798d5c36740ca97a3e478e47fa10dceeda3a2173346e5769fc37a9bff1fde34a45034baa80a02386c6d28a24f8

      • memory/540-139-0x0000000000000000-mapping.dmp
      • memory/540-156-0x0000000002EF0000-0x000000000339F000-memory.dmp
        Filesize

        4.7MB

      • memory/720-168-0x0000000000000000-mapping.dmp
      • memory/1480-181-0x0000000000000000-mapping.dmp
      • memory/1844-172-0x0000000000000000-mapping.dmp
      • memory/2008-163-0x0000000000000000-mapping.dmp
      • memory/2088-178-0x0000000000000000-mapping.dmp
      • memory/2388-164-0x0000000000000000-mapping.dmp
      • memory/3208-144-0x0000000000400000-0x0000000000570000-memory.dmp
        Filesize

        1.4MB

      • memory/3208-155-0x0000000002ED0000-0x000000000337F000-memory.dmp
        Filesize

        4.7MB

      • memory/3208-141-0x0000000000000000-mapping.dmp
      • memory/3460-182-0x0000000000000000-mapping.dmp
      • memory/3668-171-0x0000000000000000-mapping.dmp
      • memory/3888-165-0x0000000000000000-mapping.dmp
      • memory/4276-145-0x0000000000000000-mapping.dmp
      • memory/4440-137-0x0000000000000000-mapping.dmp
      • memory/4624-133-0x0000000010000000-0x000000001033C000-memory.dmp
        Filesize

        3.2MB

      • memory/4624-132-0x0000000000400000-0x0000000000570000-memory.dmp
        Filesize

        1.4MB

      • memory/4652-174-0x0000000000000000-mapping.dmp
      • memory/5048-147-0x0000000000000000-mapping.dmp