Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/10/2026, 04:24

General

  • Target
    493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9.exe
  • Size 6.2MB
  • Sample261004-e1hfsszapa
  • SHA256 493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Detect Neshta payload 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 24 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9.exe
    "C:\Users\Admin\AppData\Local\Temp\493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9.exe"
    1⤵
    • Modifies system executable filetype association
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Local\Temp\3582-490\493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5020
      • C:\Users\Admin\AppData\Local\Temp\3582-490\493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9.exe
        -deleter
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:5728
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4756
  • C:\Windows\system32\srtasks.exe
    C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3876

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AcroRd32.exe

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
        • Size 2.4MB
        • SHA256 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        88Tangkas 1.6.0.exe

        • Path C:\Program Files (x86)\88Tangkas\88Tangkas\88Tangkas 1.6.0.exe
        • Size 572KB
        • SHA256 5f1b748c2dc21acbefa30c9e9c2bd0b7388ef0f0de6796bf03598a6bd03459a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        img1.jar

        • Path C:\Program Files (x86)\88Tangkas\88Tangkas\lib\img1.jar
        • Size 1.0MB
        • SHA256 e3aeba72b82a44048c1cdcc13e28439c982f1540950a2cb8ec463a2690493d55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        img2.jar

        • Path C:\Program Files (x86)\88Tangkas\88Tangkas\lib\img2.jar
        • Size 593KB
        • SHA256 d7416365432d4699203f69d92aa7b594f51f5eedd9771d0ab016988efb4d2968
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jbcl.jar

        • Path C:\Program Files (x86)\88Tangkas\88Tangkas\lib\jbcl.jar
        • Size 861KB
        • SHA256 96001c2ea357210c8a434ed97f231df4ca6fe9e97850b40800d5aeb8055a123d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jdom.jar

        • Path C:\Program Files (x86)\88Tangkas\88Tangkas\lib\jdom.jar
        • Size 62KB
        • SHA256 95a3ad056ef86d319a6d32097db3da77434e81f3c83abb35a5388dc1285e6eb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        xercesImpl.jar

        • Path C:\Program Files (x86)\88Tangkas\88Tangkas\lib\xercesImpl.jar
        • Size 874KB
        • SHA256 ab09d49c018af488c6e33fe7c1235c61054f1d64edec194529ffe8b90040b4b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        xmlParserAPIs.jar

        • Path C:\Program Files (x86)\88Tangkas\88Tangkas\lib\xmlParserAPIs.jar
        • Size 120KB
        • SHA256 00e7ff4fb2f424bb3c6031b6e7ad03c2badf7af08c1798c8ede6a5d7b7843520
        • MD5 SHA1 SHA512 SSDEEP TLSH

        updatept.exe

        • Path C:\Program Files (x86)\88Tangkas\88Tangkas\updatept.exe
        • Size 913KB
        • SHA256 34deb7d7d6b71be1b99e33fd9210a027fdadf8a1b0a7129a95ab919c0557365f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Dot3315.tmp

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\10\00\Intel32\Dot3315.tmp
        • Size 5KB
        • SHA256 bebd6c76779cd445865ae3128cdd563af85db780f253a63c71d84af73781cae8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cto3326.tmp

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\10\00\Intel32\cto3326.tmp
        • Size 68KB
        • SHA256 c2ce8c517dc261cc0721fd8a5ad30251493f5b26be07dc59cd5bbb50b3c1b222
        • MD5 SHA1 SHA512 SSDEEP TLSH

        iKe3305.tmp

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\10\00\Intel32\iKe3305.tmp
        • Size 716KB
        • SHA256 abeb297fc73cd488e0b8cd72de2fdf4e44b9b0eefe35c23ce7f3b83cee9b8746
        • MD5 SHA1 SHA512 SSDEEP TLSH

        isc3327.tmp

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\10\00\Intel32\isc3327.tmp
        • Size 260KB
        • SHA256 a1ae68a83ff4bfae2a768f596146e0d491fcb6cdae15df2e8a6ff94e8f3fd11b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IGdi.dll

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\10\00\Intel32\isp174C.tmp\IGdi.dll
        • Size 176KB
        • SHA256 4f54173b1174e5aceeb8c1d17a8b6941cac19342c05a42a299759380a4cc6ba3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ius3347.tmp

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\10\00\Intel32\ius3347.tmp
        • Size 168KB
        • SHA256 140ae2793b42cb474e472ebf912cd9f1fb6e7a1eba2792e0739ff0f6e27b11ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.dll

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\10\00\Intel32\setup.dll
        • Size 296KB
        • SHA256 d0d9266f4299a4f37f4207b90feba81db587a31890cfb77951a95a3b00cae842
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IsP3348.tmp

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\IsP3348.tmp
        • Size 107KB
        • SHA256 27c91e9d98706d76935a9fcd11dc6e12a5de0bf4c4b2188add97fd2e7d8370a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Obj33D6.tmp

        • Path C:\Program Files (x86)\Common Files\InstallShield\Professional\RunTime\Obj33D6.tmp
        • Size 32KB
        • SHA256 cbf44f448388603a7cd4681a0c8de2a7cb8cd77c472b78820c681ab35ea9a00c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        data9d5f.rra

        • Path C:\Program Files (x86)\InstallShield Installation Information\{B8545FA8-4E83-4381-8E80-5717EB454621}\data9d5f.rra
        • Size 407KB
        • SHA256 8b1047fd0b55115fbb20e5d8d6a4601e26e9fc526aec1875aad328e08e631b14
        • MD5 SHA1 SHA512 SSDEEP TLSH

        layo9d5f.rra

        • Path C:\Program Files (x86)\InstallShield Installation Information\{B8545FA8-4E83-4381-8E80-5717EB454621}\layo9d5f.rra
        • Size 455B
        • SHA256 4e9ee16f6c546110904b92158dccc82e4c97d421c35b160fffafd40992029564
        • MD5 SHA1 SHA512 TLSH

        setup.exe

        • Path C:\Program Files (x86)\InstallShield Installation Information\{B8545FA8-4E83-4381-8E80-5717EB454621}\setup.exe
        • Size 113KB
        • SHA256 41f2795146ec6ac1edd4b3b95174622bc27f5afac7e932160c5cefce9f63f449
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.ini

        • Path C:\Program Files (x86)\InstallShield Installation Information\{B8545FA8-4E83-4381-8E80-5717EB454621}\setup.ini
        • Size 575B
        • SHA256 edd3e6c07b15eba5d01687bea906efa5a6f645e17b2d178ff484018255ee5421
        • MD5 SHA1 SHA512 TLSH

        493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\493611327d5d4fe06460977a0295586a9a67434ffc90282a69028fa1f12e3ce9.exe
        • Size 6.1MB
        • SHA256 8449f638e750f2445273fb7e3cadabd4666f5e927c275298b66b703eb5da78af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ISPackFiles.ini

        • Path C:\Users\Admin\AppData\Local\Temp\ISPackFiles.ini
        • Size 750B
        • SHA256 6fecb62b25f69b2feeabe4a49f7a88a5df533cce3e3abd8cadf692251311f341
        • MD5 SHA1 SHA512 TLSH

        _isdelet.ini

        • Path C:\Users\Admin\AppData\Local\Temp\_isdelet.ini
        • Size 240B
        • SHA256 ec8983a5282f07b3f2eca6a5ea4fab04544c50dde4463babd695bbcef5afe311
        • MD5 SHA1 SHA512 TLSH

        data1.hdr

        • Path C:\Users\Admin\AppData\Local\Temp\bye1553.tmp\Disk1\data1.hdr
        • Size 11KB
        • SHA256 faf949eb438755e95c2fa1e1c88265c008f1e523242e5440e28fb928ebb7d782
        • MD5 SHA1 SHA512 SSDEEP TLSH

        engine32.cab

        • Path C:\Users\Admin\AppData\Local\Temp\bye1553.tmp\Disk1\engine32.cab
        • Size 449KB
        • SHA256 bae58709c4bcdb6f9d3f60e72f44ce3dbc53d004bc5092bad7e4a49936d4f0f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.ibt

        • Path C:\Users\Admin\AppData\Local\Temp\bye1553.tmp\Disk1\setup.ibt
        • Size 427KB
        • SHA256 2a864ff5c4b7bcd4666f59449d06b76b835a59a618d7918eaa42f57af8713d80
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _Setup.dll

        • Path C:\Users\Admin\AppData\Local\Temp\isp173B.tmp\_Setup.dll
        • Size 372KB
        • SHA256 e5a46d29a8f3bf8bec3da7dbe71ebd8be5b10f31f7e5563cd5eb32c31edbe98a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.ini

        • Path C:\Users\Admin\AppData\Local\Temp\iss1564.tmp\setup.ini
        • Size 491B
        • SHA256 dcdb3d0565b7777f49dc79d663de9ce3db7ccd83d7debea0a049685cd7442260
        • MD5 SHA1 SHA512 TLSH

        corecomp.ini

        • Path C:\Users\Admin\AppData\Local\Temp\{B37089D9-5007-41A4-9112-F37364B730D5}\corecomp.ini
        • Size 63KB
        • SHA256 f6d7bc8ca6550662166f34407968c7d3669613e50e98a4e40bec1589e74ff5d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FontData.ini

        • Path C:\Users\Admin\AppData\Local\Temp\{B37089D9-5007-41A4-9112-F37364B730D5}\{B8545FA8-4E83-4381-8E80-5717EB454621}\FontData.ini
        • Size 40B
        • SHA256 fd3a09d40019092e08584c4193fdedb78032e5393776de873b0550a013810313
        • MD5 SHA1 SHA512

        StringTable-0009-English.ips

        • Path C:\Users\Admin\AppData\Local\Temp\{B37089D9-5007-41A4-9112-F37364B730D5}\{B8545FA8-4E83-4381-8E80-5717EB454621}\StringTable-0009-English.ips
        • Size 766B
        • SHA256 e44549e35ee389a4c15fe8becb8d0e7891b114e00c78adbb6f2b095b7a03cc13
        • MD5 SHA1 SHA512 TLSH

        _IsRes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{B37089D9-5007-41A4-9112-F37364B730D5}\{B8545FA8-4E83-4381-8E80-5717EB454621}\_IsRes.dll
        • Size 528KB
        • SHA256 14d8231e716b79e66d2ef1a971f74ff6244af0c89717977e7131e7cf7de2072b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        default.pal

        • Path C:\Users\Admin\AppData\Local\Temp\{B37089D9-5007-41A4-9112-F37364B730D5}\{B8545FA8-4E83-4381-8E80-5717EB454621}\default.pal
        • Size 1KB
        • SHA256 8075162db275eb52f5d691b15fc0d970cb007f5bece33ce5db509edf51c1f020
        • MD5 SHA1 SHA512 TLSH

        isrt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{B37089D9-5007-41A4-9112-F37364B730D5}\{B8545FA8-4E83-4381-8E80-5717EB454621}\isrt.dll
        • Size 400KB
        • SHA256 8e6d4f823364092f31f6a9ed56e876adf0e8482e07386ef6737050a8b9fae18e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        license.rtf

        • Path C:\Users\Admin\AppData\Local\Temp\{B37089D9-5007-41A4-9112-F37364B730D5}\{B8545FA8-4E83-4381-8E80-5717EB454621}\license.rtf
        • Size 11KB
        • SHA256 2301902ec24434dd7475a3823902851b4bc66d23b25281392e4e310223f7a706
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.inx

        • Path C:\Users\Admin\AppData\Local\Temp\{B37089D9-5007-41A4-9112-F37364B730D5}\{B8545FA8-4E83-4381-8E80-5717EB454621}\setup.inx
        • Size 201KB
        • SHA256 eeaf7d1cf6790dc0b41496f18533e19683a37792e244529f67c993eb0f4d26aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4500-444-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4500-516-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4500-443-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4500-442-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/5728-396-0x00000000064C0000-0x0000000006502000-memory.dmp

        memory/5728-389-0x00000000064A0000-0x00000000064B1000-memory.dmp

        memory/5728-426-0x0000000007070000-0x00000000070F6000-memory.dmp

        memory/5728-405-0x0000000006530000-0x0000000006596000-memory.dmp

        memory/5728-322-0x0000000005D20000-0x0000000005DEA000-memory.dmp

        memory/5728-119-0x0000000005AD0000-0x0000000005B2D000-memory.dmp

        memory/5728-113-0x0000000005A80000-0x0000000005AAE000-memory.dmp

        memory/5728-413-0x0000000006AF0000-0x0000000006B1C000-memory.dmp

        memory/5728-58-0x00000000058F0000-0x000000000593B000-memory.dmp