Overview

overview

10

Static

static

3

7606d0813a...01.exe

windows7-x64

10

7606d0813a...01.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2025 10:26

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General

  • Target

    7606d0813a456f9f7599614e892ebd824ea29dda6b1d49c3d28210a79c253e01.exe

  • Size

    962KB

  • MD5

    05fef27b342e781baf4afb4a5b62cac3

  • SHA1

    538f859e713439d99efb1491bfbe2c99005e209f

  • SHA256

    7606d0813a456f9f7599614e892ebd824ea29dda6b1d49c3d28210a79c253e01

  • SHA512

    b58d6351a7503b330d9cc96926f9e05514f6106fc560cfc89d3ce04cbfa8885394c296798485630b2b61d96c72f2aa3230838e63b33d2b9481876f6267d16435

  • SSDEEP

    24576:Jt24wfvf7a8DPw67oc1xuzoVF5r5QAwFv0XcI:1ef7aD6Ffuw7B2fI

Score
10/10
isrstealercollectiondefense_evasiondiscoverypersistencestealertrojanupx

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    trojanstealerisrstealer
  • ISR Stealer payload 3 IoCs
  • Isrstealer family
    isrstealer
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 6 IoCs
    defense_evasion
  • Detected Nirsoft tools 4 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 9 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 4 IoCs
    collection
  • Adds Run key to start application 2 TTPs 6 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
    defense_evasiontrojan
  • Suspicious use of SetThreadContext 12 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 25 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7606d0813a456f9f7599614e892ebd824ea29dda6b1d49c3d28210a79c253e01.exe
    "C:\Users\Admin\AppData\Local\Temp\7606d0813a456f9f7599614e892ebd824ea29dda6b1d49c3d28210a79c253e01.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Users\Admin\2j3ttgc8z87nhh\java.com
      "C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          /scomma "C:\Users\Admin\AppData\Local\Temp\ogEXPRddZw.ini"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2112
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          /scomma "C:\Users\Admin\AppData\Local\Temp\xcxw7hM2DW.ini"
          4⤵
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:1144
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Users\Admin\2j3ttgc8z87nhh\java.com
          "C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2424
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
            5⤵
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2672
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
              /scomma "C:\Users\Admin\AppData\Local\Temp\tOLWYfvorT.ini"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:368
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
              /scomma "C:\Users\Admin\AppData\Local\Temp\2J7mjVvPxj.ini"
              6⤵
              • Accesses Microsoft Outlook accounts
              • System Location Discovery: System Language Discovery
              PID:2484
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:1000
            • C:\Users\Admin\2j3ttgc8z87nhh\java.com
              "C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG
              6⤵
              • Modifies visiblity of hidden/system files in Explorer
              • Executes dropped EXE
              • Adds Run key to start application
              • Checks whether UAC is enabled
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:1668
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
                7⤵
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                PID:948
                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                  /scomma "C:\Users\Admin\AppData\Local\Temp\i15PXq1d16.ini"
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:1756
                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                  /scomma "C:\Users\Admin\AppData\Local\Temp\RRgAGldqsH.ini"
                  8⤵
                  • Accesses Microsoft Outlook accounts
                  • System Location Discovery: System Language Discovery
                  PID:2360
              • C:\Windows\SysWOW64\WScript.exe
                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"
                7⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:1356
                • C:\Users\Admin\2j3ttgc8z87nhh\java.com
                  "C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG
                  8⤵
                  • Modifies visiblity of hidden/system files in Explorer
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Checks whether UAC is enabled
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  PID:2448
                  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
                    9⤵
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of SetWindowsHookEx
                    PID:2984
                    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                      /scomma "C:\Users\Admin\AppData\Local\Temp\awiKPGf05Q.ini"
                      10⤵
                      • System Location Discovery: System Language Discovery
                      PID:1600
                    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                      /scomma "C:\Users\Admin\AppData\Local\Temp\RBIm1hAEmJ.ini"
                      10⤵
                      • Accesses Microsoft Outlook accounts
                      • System Location Discovery: System Language Discovery
                      PID:2740
                  • C:\Windows\SysWOW64\WScript.exe
                    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"
                    9⤵
                    • Loads dropped DLL
                    • System Location Discovery: System Language Discovery
                    PID:2788
                    • C:\Users\Admin\2j3ttgc8z87nhh\java.com
                      "C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG
                      10⤵
                      • Modifies visiblity of hidden/system files in Explorer
                      • Executes dropped EXE
                      • Adds Run key to start application
                      • Checks whether UAC is enabled
                      • System Location Discovery: System Language Discovery
                      PID:2028
                      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
                        11⤵
                          PID:2116
                        • C:\Windows\SysWOW64\WScript.exe
                          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"
                          11⤵
                          • Loads dropped DLL
                          • System Location Discovery: System Language Discovery
                          PID:1100
                          • C:\Users\Admin\2j3ttgc8z87nhh\java.com
                            "C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG
                            12⤵
                            • Modifies visiblity of hidden/system files in Explorer
                            • Executes dropped EXE
                            • Adds Run key to start application
                            • Checks whether UAC is enabled
                            • System Location Discovery: System Language Discovery
                            PID:1532
                            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
                              13⤵
                                PID:2112
                              • C:\Windows\SysWOW64\WScript.exe
                                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"
                                13⤵
                                • System Location Discovery: System Language Discovery
                                PID:2176
                                • C:\Users\Admin\2j3ttgc8z87nhh\java.com
                                  "C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG
                                  14⤵
                                    PID:2500

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\2J3TTG~1\RnVPBHBJlpC.HSV
          Filesize

          175B

          MD5

          8f44d5f1c08fd7351d73a3daca2bbfd0

          SHA1

          e8e669b9fa500019b7b87fdb363e9036f8417531

          SHA256

          0a90c52851b8e20c3fb985c7ab763a61b9b94d9423ad893132ec0f794fe6faf1

          SHA512

          fc610f4be75b452a1e146e8d166f25a8c74402b2abac15206a61c53b1eb2d64eb6dcae56da02388581fbaeac965f9144ff23dcec863415dd5f6eeebb7d7fbca0

          Download Submit

        • C:\Users\Admin\2J3TTG~1\VvpRdmt.LGK
          Filesize

          260KB

          MD5

          887bfe186323191177fcc1d92fe45aba

          SHA1

          07edd3c86a74c0a96d4a715761bd35531d716c92

          SHA256

          0c0d3f3782b615900301db24caa9351ff7decf3f9ce3eb1577c17dda4ab59d1e

          SHA512

          d9483090b49afc0ab4ec60aac56500fcb60411759d0b94db199e586b530939891f321390c99efddd518d4b873391e144bcb26deb7ea672aec5f1882ae4d3c2b4

          Download Submit

        • C:\Users\Admin\2J3TTG~1\run.vbs
          Filesize

          90B

          MD5

          b67f9f21ffe6ce14e34a3faa763e3d7e

          SHA1

          283811a92820f5558632e2f7eabf4deb198fd131

          SHA256

          3baee1be372ff258064ab7fd2f72b7330d933160ad3829bcc51782b9d82a5b0c

          SHA512

          445e9ab432136848c4df6d085899336e89b171bd0497fe08aac49e955be24807a5497682d97169f2d0d785c5d93d75da338c70fc7657f5775d3efbcc83c70c9e

          Download Submit

        • C:\Users\Admin\2j3ttgc8z87nhh\oGQmSBaRL.VPG
          Filesize

          30.9MB

          MD5

          b809efdf2ec2751251cb835183d82bb5

          SHA1

          32cd37d5bbe861d9d7c7044b98c1c2e9312128f6

          SHA256

          887b5699fc70c681821d92f2e2937696ce68b98277771e9057320278d24aa931

          SHA512

          752b1ef10868105741d94c32e8053e6131ee4f3a37feda8453b5fd9e35649fd0f400848cfda665c230d81d7a6141313b6035bc5f46d8086e33cb6ac863e97be6

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\ogEXPRddZw.ini
          Filesize

          5B

          MD5

          d1ea279fb5559c020a1b4137dc4de237

          SHA1

          db6f8988af46b56216a6f0daf95ab8c9bdb57400

          SHA256

          fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

          SHA512

          720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

          Download Submit

        • \Users\Admin\2j3ttgc8z87nhh\java.com
          Filesize

          912KB

          MD5

          6a93a4071cc7c22628af40a4d872f49b

          SHA1

          ba916e686aa0cae19ab907bdab94924ada92b5f4

          SHA256

          8465f3fcbccce3ea12495edbb0bd09c3b066e3df891613ce3180f9bb38b37b01

          SHA512

          5a26af395a03397aadab13a53cac320f1d8bbe77046a61ae12e1f72f93df7afb360f52ef52f979f7b946a814365a298c3a3a536add6cdd7165896fb82abc4afd

          Download Submit

        • memory/368-67-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/368-66-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/368-68-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/1144-49-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/1144-48-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/1144-47-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/1144-46-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/1600-105-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/1600-106-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/1600-107-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/1756-86-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/1756-88-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/1756-87-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/2112-36-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/2112-39-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/2112-38-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/2112-37-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

          Download

        • memory/2360-93-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2360-94-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2360-92-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2484-72-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2484-74-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2484-73-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2672-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2740-112-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2740-113-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2808-51-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

          Download

        • memory/2808-50-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

          Download

        • memory/2808-28-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

          Download

        • memory/2808-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2808-30-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

          Download

        • memory/2984-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

          Download