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Overview

overview

8

Static

static

1

69ba83fdc3...23.exe

windows7-x64

7

69ba83fdc3...23.exe

windows10-2004-x64

3

Malemutes/...nt.ps1

windows7-x64

8

Malemutes/...nt.ps1

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 02:23

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General

  • Target

    Malemutes/Nonprecedent.ps1

  • Size

    52KB

  • MD5

    d70cc7a86c607e5511048fe2b3242bf9

  • SHA1

    7533500bfb680dc5fcea3e37fd2eca0385990376

  • SHA256

    9be2c4093ac767d9ec1aa035a7a8139fac9347068f303e1ef583b4d1f8dedd2b

  • SHA512

    05052e82d38f94ff7eb6ed89a7fd9041c20d03eba7d6d193c3fe85c628605c70fa8cb2dbb1e44ee721c8143bbcb6e5caf72c24acb134628d967e757b18d158ff

  • SSDEEP

    768:U2QEBkOK0lDYsewm+sJ1IpcWeTsoacVjEiaiEpacvbFDchyck95ipSDqgSVP:H+0lDYqZsbwxrcVjWircjkzk95ip7P

Score
8/10
persistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 18 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

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

    ransomware
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Malemutes\Nonprecedent.ps1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3684
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
      2⤵
        PID:3800
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4040
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2556
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:920
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4440
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3928
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of SendNotifyMessage
      PID:4944
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:1616
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:8
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of SendNotifyMessage
      PID:2696
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:396
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2968
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Checks SCSI registry key(s)
      • Modifies registry class
      PID:4824
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4204
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4640
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4340
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2696
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4184
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5080
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3464
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
        PID:3384

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
        Filesize

        471B

        MD5

        960c478e6d5854eb585c9f09e862cf55

        SHA1

        69af5b3e27abc47953477e90f3b9299f0641bad3

        SHA256

        321cf0d2babe29a1ff533b5eac786aef57e8095f1ed826a01a14dff880ff2864

        SHA512

        57e2676628fe57b8e1b29bb26aa17639d296ea2ded47294e847a168e53d6912ead7e814c6a209487dd6271e0d11c7b517c008325ffe21a2e9d613c075da96e9f

        Download Submit

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
        Filesize

        412B

        MD5

        bdceadd29882f1f03f7e395843fea5de

        SHA1

        8cb0392bd3ddc3b23418c1c6c2dd6985848fd8e3

        SHA256

        85868f603c9698dcd2d01ed421c4688aa1d82871724174a24abc075516af471e

        SHA512

        ecf0d7433f1c8dcad7d4efbfc27c0ee6b26588fe559cf13e77de693f9c9c579bdc2cc6a41aed55081db2763722e853508e84c617193e3823ab3573abcac8a9d9

        Download Submit

      • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_AutoGenerated_{2F519BF2-C697-59F8-8F6A-1E19509CE66B}
        Filesize

        36KB

        MD5

        8aaad0f4eb7d3c65f81c6e6b496ba889

        SHA1

        231237a501b9433c292991e4ec200b25c1589050

        SHA256

        813c66ce7dec4cff9c55fb6f809eab909421e37f69ff30e4acaa502365a32bd1

        SHA512

        1a83ce732dc47853bf6e8f4249054f41b0dea8505cda73433b37dfa16114f27bfed3b4b3ba580aa9d53c3dcc8d48bf571a45f7c0468e6a0f2a227a7e59e17d62

        Download Submit

      • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_Windows_ControlPanel
        Filesize

        36KB

        MD5

        fb5f8866e1f4c9c1c7f4d377934ff4b2

        SHA1

        d0a329e387fb7bcba205364938417a67dbb4118a

        SHA256

        1649ec9493be27f76ae7304927d383f8a53dd3e41ea1678bacaff33120ea4170

        SHA512

        0fbe2843dfeab7373cde0643b20c073fdc2fcbefc5ae581fd1656c253dfa94e8bba4d348e95cc40d1e872456ecca894b462860aeac8b92cedb11a7cad634798c

        Download Submit

      • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133541655327718126.txt
        Filesize

        74KB

        MD5

        80dffedad36ef4c303579f8c9be9dbd7

        SHA1

        792ca2a83d616ca82d973ece361ed9e95c95a0d8

        SHA256

        590ca4d2f62a7864a62ccb1075c55191f7f9d5c5304ea3446961bb50f9e3916e

        SHA512

        826b97a4de7c765f8f5ebc520960f68381fd9f4bfe68c2fbe46c6118110c9c14a87dcb8ed8102e60a954b4b3c408f72e7a93fd96317be3d51120a2ddd2faa3ea

        Download Submit

      • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\39XIXV5T\microsoft.windows[1].xml
        Filesize

        96B

        MD5

        29e3c94dfa03b794f03e17d8b45295d9

        SHA1

        1a598a72d3d486f77e861f98abcd2f4a8e936365

        SHA256

        7ff0263086f28cc1d842d07a23128b955780d3c8b85b130228c7f65ce2b4262a

        SHA512

        e2180d73f45da32ac4fb355546103496d73cdf7cb966c60f6a414bc7052e46431177e9009bdfd730d2fe6955b986392720fe3bdc8afbc0388f1b70e438a4ef9c

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sjqg4pep.0ly.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        Download Submit

      • memory/8-60-0x000002686C4A0000-0x000002686C4C0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/8-57-0x000002686BE90000-0x000002686BEB0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/8-55-0x000002686BED0000-0x000002686BEF0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/920-26-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2696-146-0x000001CC0D750000-0x000001CC0D770000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2696-144-0x000001CC0D340000-0x000001CC0D360000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2696-141-0x000001CC0D380000-0x000001CC0D3A0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2696-70-0x0000000004520000-0x0000000004521000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2968-80-0x0000019595A60000-0x0000019595A80000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2968-78-0x0000019595AA0000-0x0000019595AC0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2968-83-0x0000019596080000-0x00000195960A0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/3464-211-0x000001618A590000-0x000001618A5B0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/3464-209-0x000001618A180000-0x000001618A1A0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/3464-207-0x000001618A1C0000-0x000001618A1E0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/3684-16-0x0000016865BF0000-0x0000016865BF4000-memory.dmp

        Filesize

        16KB

        Download

      • memory/3684-15-0x0000016864F30000-0x0000016864F40000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3684-17-0x00007FFA7CD50000-0x00007FFA7D811000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/3684-10-0x00007FFA7CD50000-0x00007FFA7D811000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/3684-12-0x0000016864F30000-0x0000016864F40000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3684-11-0x0000016864F30000-0x0000016864F40000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3684-8-0x0000016865830000-0x0000016865852000-memory.dmp

        Filesize

        136KB

        Download

      • memory/3684-13-0x0000016864F30000-0x0000016864F40000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3928-36-0x0000024C68430000-0x0000024C68450000-memory.dmp

        Filesize

        128KB

        Download

      • memory/3928-32-0x0000024C68060000-0x0000024C68080000-memory.dmp

        Filesize

        128KB

        Download

      • memory/3928-34-0x0000024C68020000-0x0000024C68040000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4184-169-0x000001F45DCB0000-0x000001F45DCD0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4184-165-0x000001F45D8E0000-0x000001F45D900000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4184-167-0x000001F45D8A0000-0x000001F45D8C0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4340-120-0x000001A830220000-0x000001A830240000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4340-124-0x000001A8305F0000-0x000001A830610000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4340-122-0x000001A82FFE0000-0x000001A830000000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4640-103-0x000001F7E4560000-0x000001F7E4580000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4640-101-0x000001F7E4150000-0x000001F7E4170000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4640-99-0x000001F7E4190000-0x000001F7E41B0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4944-48-0x0000000004D70000-0x0000000004D71000-memory.dmp

        Filesize

        4KB

        Download

      • memory/5080-186-0x000001828A3E0000-0x000001828A400000-memory.dmp

        Filesize

        128KB

        Download

      • memory/5080-188-0x000001828A3A0000-0x000001828A3C0000-memory.dmp

        Filesize

        128KB

        Download

      • memory/5080-190-0x000001828AAB0000-0x000001828AAD0000-memory.dmp

        Filesize

        128KB

        Download