Analysis

  • max time kernel
    108s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 22:45

General

  • Target
    d73eb41e4f5c041fa715b811036b1f0b43321848eb52933cf62aba5a84b183ce.exe
  • Size 1.6MB
  • Sample221203-2pr77acc43
  • SHA256 d73eb41e4f5c041fa715b811036b1f0b43321848eb52933cf62aba5a84b183ce
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 32 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

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

  • Executes dropped EXE 4 IoCs
  • UPX packed file 1 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d73eb41e4f5c041fa715b811036b1f0b43321848eb52933cf62aba5a84b183ce.exe
    "C:\Users\Admin\AppData\Local\Temp\d73eb41e4f5c041fa715b811036b1f0b43321848eb52933cf62aba5a84b183ce.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Modifies system executable filetype association
      • Executes dropped EXE
      • Checks computer location settings
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:1412
    • C:\Users\Admin\AppData\Local\Temp\Client.exe
      "C:\Users\Admin\AppData\Local\Temp\Client.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4636
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Users\Admin\AppData\Local\Temp\3582-490\Client.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:5080
        • C:\Users\Admin\AppData\Local\Temp\3582-490\Client.exe
          C:\Users\Admin\AppData\Local\Temp\3582-490\Client.exe
          4⤵
          • Executes dropped EXE
          PID:1872

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        GOOGLE~3.EXE

        • Path C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE
        • Size 366KB
        • SHA256 c8f05c107ecdc905dd2b3c708c40eb50118a65d497e12df6958ce5e1a53af108
        • MD5 SHA1 SHA512 SSDEEP

        MI391D~1.EXE

        • Path C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI391D~1.EXE
        • Size 138KB
        • SHA256 1afb1832d6a6ca187553f7c0e2edb57045d7bbbe43c404a4ba920a6804712ea5
        • MD5 SHA1 SHA512 SSDEEP

        MICROS~1.EXE

        • Path C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~1.EXE
        • Size 241KB
        • SHA256 5dbab8e68c7a000fce8363b79a49b11e009edb3219b56fa78821f044af598767
        • MD5 SHA1 SHA512 SSDEEP

        MICROS~3.EXE

        • Path C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~3.EXE
        • Size 244KB
        • SHA256 ab390f70e7074104558d8709cac4627bad6633a83813dfa3a80418708f7ba1e3
        • MD5 SHA1 SHA512 SSDEEP

        ie_to_edge_stub.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\BHO\ie_to_edge_stub.exe
        • Size 537KB
        • SHA256 49593d97b8367cddb5e341e367c851573c076fa052639e08d933e5203b77b5ef
        • MD5 SHA1 SHA512 SSDEEP

        setup.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\INSTAL~1\setup.exe
        • Size 3.2MB
        • SHA256 f68ee8f47c69284ceabde249d8f9406f35f085353a299a8707a24c6b34b775c6
        • MD5 SHA1 SHA512 SSDEEP

        cookie_exporter.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\cookie_exporter.exe
        • Size 156KB
        • SHA256 6a4a49328946be26ca31632af3e5441ba2b8247a51671de188c86821f1eb890b
        • MD5 SHA1 SHA512 SSDEEP

        elevation_service.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\elevation_service.exe
        • Size 1.7MB
        • SHA256 2a228d131fd39876865c31dadd000193978618637ca12408e42f4060aa2f466c
        • MD5 SHA1 SHA512 SSDEEP

        msedge.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\msedge.exe
        • Size 3.7MB
        • SHA256 6ecc928d1a67f292103a6731630a942cf8b9bcb52ab6a1d47ed4f9202751b110
        • MD5 SHA1 SHA512 SSDEEP

        msedge_proxy.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\msedge_proxy.exe
        • Size 1.1MB
        • SHA256 385fd4beecebd8c3702413373be358994e1af9481c88148613026f737a855f93
        • MD5 SHA1 SHA512 SSDEEP

        msedge_pwa_launcher.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\msedge_pwa_launcher.exe
        • Size 1.8MB
        • SHA256 3d3c7ff298fa5d2914470fc32fcb92a82d1ce8924933221895bcbab49d29eab8
        • MD5 SHA1 SHA512 SSDEEP

        msedgewebview2.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\msedgewebview2.exe
        • Size 3.2MB
        • SHA256 75367284d50434c966d4126241682829523a0baa1c03163b9383433182433a75
        • MD5 SHA1 SHA512 SSDEEP

        notification_helper.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\notification_helper.exe
        • Size 1.3MB
        • SHA256 1bb2b789bf7890e583958a213a20a20c920972ecac9e1874c04b49d28f69f224
        • MD5 SHA1 SHA512 SSDEEP

        pwahelper.exe

        • Path C:\PROGRA~2\MICROS~1\EDGEWE~1\APPLIC~1\104012~1.47\pwahelper.exe
        • Size 1.1MB
        • SHA256 2bd534244e50c34d36957c30cb26077ef7e91635eb93df15d1b16c867b125c3f
        • MD5 SHA1 SHA512 SSDEEP

        IDENTI~1.EXE

        • Path C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\IDENTI~1.EXE
        • Size 1.1MB
        • SHA256 58b3fc8e0f6d38e27f8f5b7984e70ec6132fddd5e05169d4026c1b3a9e43d5e4
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE
        • Size 526KB
        • SHA256 f71d62354d4c6eec8a9cd14db442b9a5f2a6550468b01bda06f82acaa8e0c9b8
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE
        • Size 536KB
        • SHA256 d82ca304cf64be3922b12111c962e09a6ddb2b8477e25b6c3f0400eddc38c80b
        • MD5 SHA1 SHA512 SSDEEP

        setup.exe

        • Path C:\Users\ALLUSE~1\Adobe\Setup\{AC76B~1\setup.exe
        • Size 534KB
        • SHA256 79538fa3a6cf33b989d43e7311de4d7b0e1a99b60964e3acc00fa3cb49ff8160
        • MD5 SHA1 SHA512 SSDEEP

        INTEGR~1.EXE

        • Path C:\Users\ALLUSE~1\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE
        • Size 6.7MB
        • SHA256 64df64b39ac4391aea14eb48b0489e6a970a3ea44c02c6a8f10c278cc0636330
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{33D1F~1\VCREDI~1.EXE
        • Size 526KB
        • SHA256 f71d62354d4c6eec8a9cd14db442b9a5f2a6550468b01bda06f82acaa8e0c9b8
        • MD5 SHA1 SHA512 SSDEEP

        VC_RED~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{4D8DC~1\VC_RED~1.EXE
        • Size 674KB
        • SHA256 c48abbc29405559e68cc9f8fc6d218aa317a9d0023839c7846ca509c1f563fea
        • MD5 SHA1 SHA512 SSDEEP

        VC_RED~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{57A73~1\VC_RED~1.EXE
        • Size 674KB
        • SHA256 ccf37e88447a7afdb0ba4351b8c5606dbb05b984fb133194d71bcc00d7be4e36
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{61087~1\VCREDI~1.EXE
        • Size 536KB
        • SHA256 64d1449187d26e3b769300335ed0fc5d31e2a2ee2264774ea9da2c396a6d8328
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{CA675~1\VCREDI~1.EXE
        • Size 525KB
        • SHA256 61720d294189141b74631299911d91874aa02e67096a47cfaf56ef03f568bd33
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{EF6B0~1\VCREDI~1.EXE
        • Size 536KB
        • SHA256 d82ca304cf64be3922b12111c962e09a6ddb2b8477e25b6c3f0400eddc38c80b
        • MD5 SHA1 SHA512 SSDEEP

        Client.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\Client.exe
        • Size 2.2MB
        • SHA256 88e962e7fd534312bfa62a86a54f486d52091166ec06bee09125fe771816c8cc
        • MD5 SHA1 SHA512 SSDEEP

        Client.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\Client.exe
        • Size 2.2MB
        • SHA256 88e962e7fd534312bfa62a86a54f486d52091166ec06bee09125fe771816c8cc
        • MD5 SHA1 SHA512 SSDEEP

        server.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\server.exe
        • Size 154KB
        • SHA256 316762b502209f61769a6d903c897e9b592419c2a0cbc04779e6939b2dc47386
        • MD5 SHA1 SHA512 SSDEEP

        Client.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Client.exe
        • Size 2.3MB
        • SHA256 d3bfdd4a88b2252288750871ac7c5704decc5ba7ac9b8c5ae5b565f5e11f93e4
        • MD5 SHA1 SHA512 SSDEEP

        Client.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Client.exe
        • Size 2.3MB
        • SHA256 d3bfdd4a88b2252288750871ac7c5704decc5ba7ac9b8c5ae5b565f5e11f93e4
        • MD5 SHA1 SHA512 SSDEEP

        server.exe

        • Path C:\Users\Admin\AppData\Local\Temp\server.exe
        • Size 195KB
        • SHA256 3238cfbd6a3e521c6a6452df83ed28f860d8309ee49e82695aa46b68f330b2da
        • MD5 SHA1 SHA512 SSDEEP

        server.exe

        • Path C:\Users\Admin\AppData\Local\Temp\server.exe
        • Size 195KB
        • SHA256 3238cfbd6a3e521c6a6452df83ed28f860d8309ee49e82695aa46b68f330b2da
        • MD5 SHA1 SHA512 SSDEEP

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 980bac6c9afe8efc9c6fe459a5f77213b0d8524eb00de82437288eb96138b9a2
        • MD5 SHA1 SHA512 SSDEEP

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 980bac6c9afe8efc9c6fe459a5f77213b0d8524eb00de82437288eb96138b9a2
        • MD5 SHA1 SHA512 SSDEEP

        OFFICE~1.EXE

        • Path C:\odt\OFFICE~1.EXE
        • Size 5.1MB
        • SHA256 2a1ed24be7e3859b46ec3ebc316789ead5f12055853f86a9656e04b4bb771842
        • MD5 SHA1 SHA512 SSDEEP