Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 14:45

General

  • Target

    d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644.exe

  • Size

    1.8MB

  • MD5

    437a180db44c659505d08da56b1c5344

  • SHA1

    63dcc88fc8ca4dc2c25028695b72fc48f9978df2

  • SHA256

    d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644

  • SHA512

    fc28c35c86aecf808101692b459d51eba922743677c48127d91fbc7ddb46202621a87f31e460fdd6915b26564a8ac5fe4ff190ae0dcfdb64f709bc193878582a

  • SSDEEP

    24576:cr3h9VUoVO3iealWdJarwRH7Vq5nTwJfrOTSxiRuxC7HtTlu6uFGBrkSVYNntYrl:cZbnV4koqTCxytBurGBwSVYNWZc7G8p

Malware Config

Signatures

  • Detect ZGRat V1 2 IoCs
  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
  • Process spawned unexpected child process 18 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 12 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 18 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644.exe
    "C:\Users\Admin\AppData\Local\Temp\d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\mzhue2lt\mzhue2lt.cmdline"
      2⤵
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4304
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4522.tmp" "c:\Program Files (x86)\Microsoft\Edge\Application\CSC91DF4CEF3C14504B7B9CA9DC1451771.TMP"
        3⤵
          PID:2968
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\hmlmuqmx\hmlmuqmx.cmdline"
        2⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:4648
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4774.tmp" "c:\Windows\System32\CSC64A5E2D1DC814C678B2D6F6D2D2530.TMP"
          3⤵
            PID:2544
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\bRGMHCVoY6.bat"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3152
          • C:\Windows\system32\chcp.com
            chcp 65001
            3⤵
              PID:4584
            • C:\Windows\system32\PING.EXE
              ping -n 10 localhost
              3⤵
              • Runs ping.exe
              PID:2664
            • C:\Program Files\Windows Mail\sppsvc.exe
              "C:\Program Files\Windows Mail\sppsvc.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1476
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Mail\sppsvc.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:3648
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\sppsvc.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2352
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Mail\sppsvc.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:840
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\Templates\wininit.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:4748
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\All Users\Templates\wininit.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:4468
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\Templates\wininit.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:3016
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 14 /tr "'C:\Program Files\Uninstall Information\taskhostw.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:1976
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\taskhostw.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:3808
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 12 /tr "'C:\Program Files\Uninstall Information\taskhostw.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:4604
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\RuntimeBroker.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:1084
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\RuntimeBroker.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:3404
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\RuntimeBroker.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:3568
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Defender\msedge.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2344
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "msedge" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\msedge.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2084
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Defender\msedge.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:5008
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644d" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\AppData\Local\Temp\d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:5088
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:1104
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644d" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\AppData\Local\Temp\d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:1844
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
          1⤵
          • Executes dropped EXE
          PID:1976

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

          Filesize

          4KB

          MD5

          27184c7c7f7c38e797414b7ca3e3fb7d

          SHA1

          dee0e5b774536465523da1698bca7d797f4b4d11

          SHA256

          7bb06d22694c4832e93ffbbe4d02bf15f2b98541a58d026a8764f6118b4c82d2

          SHA512

          f5e82e9d5e42113d43e58cf9847534c3e252013cdecfa6215b3ad048f5b2c2350578661faeb967ecf1fc318ced7b3c12ba1268253698510490e56ca969f348d5

        • C:\Program Files\Windows Mail\sppsvc.exe

          Filesize

          1.8MB

          MD5

          437a180db44c659505d08da56b1c5344

          SHA1

          63dcc88fc8ca4dc2c25028695b72fc48f9978df2

          SHA256

          d72e20d6e093dcbca62d7a6481f598fe753c664655e3ffd5e3dadce4ef807644

          SHA512

          fc28c35c86aecf808101692b459d51eba922743677c48127d91fbc7ddb46202621a87f31e460fdd6915b26564a8ac5fe4ff190ae0dcfdb64f709bc193878582a

        • C:\Users\Admin\AppData\Local\Temp\RES4522.tmp

          Filesize

          1KB

          MD5

          ce2fb0fc7cb9429ca0dfe0b52d1930a8

          SHA1

          1912ad76808b03ccfb31ade3f9bd70f2579a1acf

          SHA256

          d62d34635e25be11eb14530bef9a9a7a1f5e389e61f9166c10e922495b5ebbba

          SHA512

          ea5604b6a85089a0d090b4a913fd55f43e5f5a618fea4baafa8f7498151378767ccb67ff2723b998389c173a79a25f6c50aa7b9c825264386dc1d425535421f3

        • C:\Users\Admin\AppData\Local\Temp\RES4774.tmp

          Filesize

          1KB

          MD5

          875666b7347f5a5acd923080fda0e3ba

          SHA1

          d771cb409ec8512087a6b530972a2efd79b7ce75

          SHA256

          25555b221509e4c25019d1656e74f698b700994e8d12f6f2d554c54f30360bf0

          SHA512

          51a96fa7d1ad1210faea0d62b58f98e537eaf1fa8bf224a9ee1d4d2a273de667cf25b0fc0e35d7bdd60a21398707faa368e63fb9f357c1d3fbb3878dd8e6065b

        • C:\Users\Admin\AppData\Local\Temp\bRGMHCVoY6.bat

          Filesize

          168B

          MD5

          e8e8f21082dc067235c28abf2807cdf8

          SHA1

          a4cfee8536dba7c8508bb181dbc45e3adcb6d009

          SHA256

          60b60d163cb54a6156370fb255dc054dcdcddd36d9bc5374fc541cab18521a24

          SHA512

          23fde47e6ce82674dd5980f85082af3d493793913059c364bc6a8d68f49393c2728d0c253e8924a778888edeee081beb798b8ec8286e1daac25040768cd40c59

        • \??\c:\Program Files (x86)\Microsoft\Edge\Application\CSC91DF4CEF3C14504B7B9CA9DC1451771.TMP

          Filesize

          1KB

          MD5

          b5189fb271be514bec128e0d0809c04e

          SHA1

          5dd625d27ed30fca234ec097ad66f6c13a7edcbe

          SHA256

          e1984ba1e3ff8b071f7a320a6f1f18e1d5f4f337d31dc30d5bdfb021df39060f

          SHA512

          f0fcb8f97279579beb59f58ea89527ee0d86a64c9de28300f14460bec6c32dda72f0e6466573b6654a1e992421d6fe81ae7cce50f27059f54cf9fdca6953602e

        • \??\c:\Users\Admin\AppData\Local\Temp\hmlmuqmx\hmlmuqmx.0.cs

          Filesize

          372B

          MD5

          20d006c9c5f389468d8530a04a3acf30

          SHA1

          f355452149746872f7b01af6a73374d4d8f91221

          SHA256

          eaf621c891edaaa34b9e1561cfceac8282849b06f0208a75e09ee61b8d1f87a0

          SHA512

          83608a5194bfe17d1317604c966b7bc557a021479f8dd3d6cfca0ab2a920bdd82fdbef377f0026ca4640c0c7f97cea6b6b084a08ac8296c4596daf925d47ac8a

        • \??\c:\Users\Admin\AppData\Local\Temp\hmlmuqmx\hmlmuqmx.cmdline

          Filesize

          235B

          MD5

          47d4425918737723fa231c34e7ba9572

          SHA1

          1607567d1aa6382efc27fffc8c2f9998080354ee

          SHA256

          256c25aa713bec9b3d7d5e2ddf3279980c148fcca9e458e841007b8ba96e4d14

          SHA512

          2849592f27a2742d1dd1d62206df4aa21cd4938f825e6949f6e60ad626bbf446327a9945765d38f792a599e4e4a458867a8705c56bb08f3becbcb93a53cb796a

        • \??\c:\Users\Admin\AppData\Local\Temp\mzhue2lt\mzhue2lt.0.cs

          Filesize

          402B

          MD5

          7b6e60e8b65bf87672fa75283950fd38

          SHA1

          cd04334a1c7259ca094f156e23211267fb45ea99

          SHA256

          2f31c8f49262531b08f30ad521704da9acefbcba6cdf906f596e1f4ba18e7ea3

          SHA512

          15acc7474732143b1ca371d89a93ae5f0a054f2513db3b36ef6ca337f0a332bb2358c8cd145703b0f0d239e59794afc58dd293ec3b3781b0e48c048da8fad029

        • \??\c:\Users\Admin\AppData\Local\Temp\mzhue2lt\mzhue2lt.cmdline

          Filesize

          265B

          MD5

          9b87d284b392ffcf0ce5b6d3045ca04d

          SHA1

          b9535e37ad5c0494974838002cabc45def9d0b14

          SHA256

          9316a55579ad8e55e22be1a4870ab0a66cefeccdd584d3395db0ee259cdcd890

          SHA512

          b2d079703506acf96b6a11251529f12dea190e6ccb53f61bfe66c022b51a2ed170cf3e734fd12a67c1207c88f256d5e2fb7d273dac11f3d86db73f7e434cff18

        • \??\c:\Windows\System32\CSC64A5E2D1DC814C678B2D6F6D2D2530.TMP

          Filesize

          1KB

          MD5

          188249e3f31caa0264351fc374794895

          SHA1

          323a707d1a37ac8cbae6d6e502cc850f69ae2e15

          SHA256

          1bf68148c555d0e84720c497dcf3ad708da300ee7472df12c9307a3acd4abde1

          SHA512

          28a0d97e83b6b6d10c0114166e8f23845663a34c8f262aa5a31ffb885abe232badb6f95bba99b8688559cac81f8ff93c3609ac363d8903d35f535d7c5e1e02d5

        • memory/1476-71-0x000000001C6B0000-0x000000001C7C5000-memory.dmp

          Filesize

          1.1MB

        • memory/4764-16-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-0-0x00007FF894143000-0x00007FF894145000-memory.dmp

          Filesize

          8KB

        • memory/4764-6-0x0000000000E70000-0x0000000000E7E000-memory.dmp

          Filesize

          56KB

        • memory/4764-29-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-30-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-31-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-32-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-7-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-15-0x0000000000E90000-0x0000000000E9C000-memory.dmp

          Filesize

          48KB

        • memory/4764-24-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-4-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-12-0x00000000027C0000-0x00000000027D8000-memory.dmp

          Filesize

          96KB

        • memory/4764-13-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-10-0x000000001B570000-0x000000001B5C0000-memory.dmp

          Filesize

          320KB

        • memory/4764-3-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-2-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-63-0x00007FF894140000-0x00007FF894C01000-memory.dmp

          Filesize

          10.8MB

        • memory/4764-9-0x00000000027A0000-0x00000000027BC000-memory.dmp

          Filesize

          112KB

        • memory/4764-1-0x0000000000380000-0x000000000055A000-memory.dmp

          Filesize

          1.9MB