Analysis

  • max time kernel
    119s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2022, 04:29

General

  • Target
    tmp.exe
  • Size 2.0MB
  • Sample221017-e4q74sagfn
  • SHA256 f02cde071f1bddb816939dd05452e8f2fec41e355e1d11576ee45e691b3de325
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 24 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.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 2 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 13 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Windows\Fonts\window\chrome.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\Windows\Fonts\window\chrome.exe
          C:\Windows\Fonts\window\chrome.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4432
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\HZ~6AF4.tmp.bat"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4332
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\HZ~6AF4.tmp.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:456
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 2
            5⤵
            • Runs ping.exe
            PID:4404

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        ACROTE~1.EXE

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
        • Size 127KB
        • SHA256 3ed504ee3804fdd067bf02599ae9d41ef0f795f9f6f5ae1038e25578d0230f0a
        • MD5 SHA1 SHA512 SSDEEP

        ADOBEA~1.EXE

        • Path C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE
        • Size 454KB
        • SHA256 bb07d817b8b1b6b4c25e62b6120e51dec10118557d7b6b696ad084a5ba5bfdeb
        • MD5 SHA1 SHA512 SSDEEP

        jusched.exe

        • Path C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe
        • Size 623KB
        • SHA256 c6b7f9119cf867951f007c5468f75eb4dca59c7eedeb0afdd8ad9d5b9606e759
        • MD5 SHA1 SHA512 SSDEEP

        VSTOIN~1.EXE

        • Path C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE
        • Size 121KB
        • SHA256 405b8bd647fa703e233b8b609a18999abe465a8458168f1daf23197bd2ea36aa
        • MD5 SHA1 SHA512 SSDEEP

        MICROS~1.EXE

        • Path C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13165~1.21\MICROS~1.EXE
        • Size 1.6MB
        • SHA256 9c2f5d4624ea3ac13951ce66428f3960750c66f41eb66ecaace89a62153edc5e
        • MD5 SHA1 SHA512 SSDEEP

        MSEDGE~1.EXE

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE
        • Size 1.1MB
        • SHA256 34b8662d38e7d3d6394fa6c965d943d2c82ea06ba9d7a0af4f8e0571fb5a9c48
        • MD5 SHA1 SHA512 SSDEEP

        NOTIFI~1.EXE

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE
        • Size 1.3MB
        • SHA256 75530dc732f35cc796d19edd11ae6d6f6ef6499ddcf2e57307582b1c5299554c
        • MD5 SHA1 SHA512 SSDEEP

        PWAHEL~1.EXE

        • Path C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE
        • Size 1.1MB
        • SHA256 29a9658e5031d3d6e199e66c8cdddd436d6de0e034cfd8b02d5a889bac256c99
        • MD5 SHA1 SHA512 SSDEEP

        MAINTE~1.EXE

        • Path C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE
        • Size 279KB
        • SHA256 2bab7d64d5327ca21ffd13df88b30431d0b8c0dd6cad8f4bb4db33eeb2b37d1e
        • MD5 SHA1 SHA512 SSDEEP

        UNINST~1.EXE

        • Path C:\PROGRA~2\MOZILL~1\UNINST~1.EXE
        • Size 129KB
        • SHA256 c8ef54853df3a3b64aa4b1ecfb91615d616c7ff998589e5a3434118611ad2a24
        • 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

        VC_RED~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE
        • Size 714KB
        • SHA256 82a14caee30a4f86dd143015fc852220a36cc96cdbb9f65aaca87d80f2c43762
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE
        • Size 485KB
        • SHA256 8d0045c74270281c705009d49441167c8a51ac70b720f84ff941b39fad220919
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE
        • Size 495KB
        • SHA256 d882f673ddf40a7ea6d89ce25e4ee55d94a5ef0b5403aa8d86656fd960d0e4ac
        • 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 714KB
        • SHA256 82a14caee30a4f86dd143015fc852220a36cc96cdbb9f65aaca87d80f2c43762
        • MD5 SHA1 SHA512 SSDEEP

        VC_RED~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{57A73~1\VC_RED~1.EXE
        • Size 715KB
        • SHA256 cd47cce50016890899413b2c3609b3b49cb1b65a4dfcaa34ece5a16d8e8f6612
        • MD5 SHA1 SHA512 SSDEEP

        VCREDI~1.EXE

        • Path C:\Users\ALLUSE~1\PACKAG~1\{61087~1\VCREDI~1.EXE
        • Size 495KB
        • SHA256 45966655baaed42df92cd6d8094b4172c0e7a0320528b59cf63fca7c25d66e9c
        • MD5 SHA1 SHA512 SSDEEP

        tmp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe
        • Size 2.0MB
        • SHA256 708829f6ce2ea8fca4922b9721eeaf3323e96316273dad3a3e0c068aa00b00a6
        • MD5 SHA1 SHA512 SSDEEP

        tmp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe
        • Size 2.0MB
        • SHA256 708829f6ce2ea8fca4922b9721eeaf3323e96316273dad3a3e0c068aa00b00a6
        • MD5 SHA1 SHA512 SSDEEP

        HZ~6AF4.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\HZ~6AF4.tmp.bat
        • Size 162B
        • SHA256 64bf528c515497b6431047287ca507623715c5f564ba3b7b8210ddf4fa12ee38
        • MD5 SHA1 SHA512

        tmp5023.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5023.tmp
        • Size 8B
        • SHA256 74c67302f2d584317e1d50172dca864e92f858d56f105efde2e8a718a6b977ea
        • MD5 SHA1 SHA512

        chrome.exe

        • Path C:\Windows\Fonts\window\chrome.exe
        • Size 4.6MB
        • SHA256 4a09e9492ec9b9109122298e2303dcad3468788206aa540cb9e8a3ced885620c
        • MD5 SHA1 SHA512 SSDEEP

        chrome.exe

        • Path C:\Windows\Fonts\window\chrome.exe
        • Size 4.6MB
        • SHA256 4a09e9492ec9b9109122298e2303dcad3468788206aa540cb9e8a3ced885620c
        • MD5 SHA1 SHA512 SSDEEP

        config.json

        • Path C:\Windows\Fonts\window\config.json
        • Size 2KB
        • SHA256 bb1c4e5946a9ab30901515eeb88af253b31cea5c8af9698fa353d35c06d26a5a
        • MD5 SHA1 SHA512

        directx.sys

        • Path C:\Windows\directx.sys
        • Size 29B
        • SHA256 b84d90ce79f74578bf032d5481e92435bb92dc5da421f090dacf3184478d0e60
        • MD5 SHA1 SHA512

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 faf9e144b981c26eb5470799dbde6dc487b1d81f2f448c93ac65ca7237e0f318
        • MD5 SHA1 SHA512 SSDEEP

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 faf9e144b981c26eb5470799dbde6dc487b1d81f2f448c93ac65ca7237e0f318
        • MD5 SHA1 SHA512 SSDEEP

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 faf9e144b981c26eb5470799dbde6dc487b1d81f2f448c93ac65ca7237e0f318
        • MD5 SHA1 SHA512 SSDEEP

        OFFICE~1.EXE

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

        memory/4432-143-0x000001DE22FC0000-0x000001DE22FE0000-memory.dmp

        memory/4432-160-0x000001DE248D0000-0x000001DE24910000-memory.dmp

        memory/4432-171-0x000001DE23000000-0x000001DE23020000-memory.dmp

        memory/4432-173-0x000001DE23000000-0x000001DE23020000-memory.dmp

        memory/4432-174-0x000001DE23000000-0x000001DE23020000-memory.dmp

        memory/4432-175-0x000001DE23000000-0x000001DE23020000-memory.dmp