Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 02:09

General

  • Target

    f2507211585dfe351ff53086f30b42572db223b2646e45f91b7f3e202bb0bb76.exe

  • Size

    874KB

  • MD5

    a6a1abaf12a28ea8f6553356c3bdcf57

  • SHA1

    b7613fb9944bc3d8e11b5eb6f7ff706f04e8ad53

  • SHA256

    f2507211585dfe351ff53086f30b42572db223b2646e45f91b7f3e202bb0bb76

  • SHA512

    e525d119128c1ca1c05d379b9ebba9791b7b15390c8999773bff6517fde674178e17ee2c7c126b249c8c54b4dd1c07326ba24d52c8c192f067bc7e8545113a65

  • SSDEEP

    24576:rdsjsPnQQYY1U6G34Ck2Eo+sr4Kj6BKGd7a0:Esp566G3w236KjjGd7a0

Malware Config

Signatures

  • Process spawned unexpected child process 15 IoCs

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • 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 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 15 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 18 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\f2507211585dfe351ff53086f30b42572db223b2646e45f91b7f3e202bb0bb76.exe
    "C:\Users\Admin\AppData\Local\Temp\f2507211585dfe351ff53086f30b42572db223b2646e45f91b7f3e202bb0bb76.exe"
    1⤵
    • Checks computer location settings
    • 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:2116
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\upfc.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:3384
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Public\AccountPictures\RuntimeBroker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2536
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Default\BackgroundTransferHost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\7-Zip\Lang\BackgroundTransferHost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4412
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Microsoft Office 15\ClientX64\dllhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\wZjsux2jpd.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4452
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:4344
        • C:\Windows\system32\PING.EXE
          ping -n 10 localhost
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:5064
        • C:\Program Files\Microsoft Office 15\ClientX64\dllhost.exe
          "C:\Program Files\Microsoft Office 15\ClientX64\dllhost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:4684
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\upfc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3068
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\upfc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5056
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\upfc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2104
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Users\Public\AccountPictures\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2908
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Public\AccountPictures\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1320
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Users\Public\AccountPictures\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2904
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "BackgroundTransferHostB" /sc MINUTE /mo 10 /tr "'C:\Users\Default\BackgroundTransferHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:384
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "BackgroundTransferHost" /sc ONLOGON /tr "'C:\Users\Default\BackgroundTransferHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3496
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "BackgroundTransferHostB" /sc MINUTE /mo 8 /tr "'C:\Users\Default\BackgroundTransferHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1648
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "BackgroundTransferHostB" /sc MINUTE /mo 9 /tr "'C:\Program Files\7-Zip\Lang\BackgroundTransferHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2284
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "BackgroundTransferHost" /sc ONLOGON /tr "'C:\Program Files\7-Zip\Lang\BackgroundTransferHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3548
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "BackgroundTransferHostB" /sc MINUTE /mo 13 /tr "'C:\Program Files\7-Zip\Lang\BackgroundTransferHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4984
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:856
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office 15\ClientX64\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2324
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1500

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Microsoft Office 15\ClientX64\dllhost.exe

      Filesize

      874KB

      MD5

      a6a1abaf12a28ea8f6553356c3bdcf57

      SHA1

      b7613fb9944bc3d8e11b5eb6f7ff706f04e8ad53

      SHA256

      f2507211585dfe351ff53086f30b42572db223b2646e45f91b7f3e202bb0bb76

      SHA512

      e525d119128c1ca1c05d379b9ebba9791b7b15390c8999773bff6517fde674178e17ee2c7c126b249c8c54b4dd1c07326ba24d52c8c192f067bc7e8545113a65

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      d28a889fd956d5cb3accfbaf1143eb6f

      SHA1

      157ba54b365341f8ff06707d996b3635da8446f7

      SHA256

      21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

      SHA512

      0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      62623d22bd9e037191765d5083ce16a3

      SHA1

      4a07da6872672f715a4780513d95ed8ddeefd259

      SHA256

      95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

      SHA512

      9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      77d622bb1a5b250869a3238b9bc1402b

      SHA1

      d47f4003c2554b9dfc4c16f22460b331886b191b

      SHA256

      f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

      SHA512

      d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sklik0qa.y12.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\wZjsux2jpd.bat

      Filesize

      186B

      MD5

      016f2a32277c695675ed7642ff26aaee

      SHA1

      70cf4aeb86f2e96ac52a2785bb07e190c3774616

      SHA256

      a05f33836ddd3a4b268d62332141309da9c0ee91b1a67d8dcb59d47714280000

      SHA512

      2ba1d2e1a046b83dac93063cf7262639d38346768256b32a16f3fdd6b1fbf023a51f404aa3e224534049ef6d40236e939976158a440505e80957d3468f43b873

    • memory/2116-10-0x0000000002AC0000-0x0000000002ADC000-memory.dmp

      Filesize

      112KB

    • memory/2116-28-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-11-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-12-0x000000001BE00000-0x000000001BE50000-memory.dmp

      Filesize

      320KB

    • memory/2116-15-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-14-0x000000001B510000-0x000000001B528000-memory.dmp

      Filesize

      96KB

    • memory/2116-17-0x0000000002AA0000-0x0000000002AAE000-memory.dmp

      Filesize

      56KB

    • memory/2116-19-0x0000000002AB0000-0x0000000002ABE000-memory.dmp

      Filesize

      56KB

    • memory/2116-21-0x0000000002AE0000-0x0000000002AEC000-memory.dmp

      Filesize

      48KB

    • memory/2116-23-0x000000001B530000-0x000000001B53E000-memory.dmp

      Filesize

      56KB

    • memory/2116-24-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-26-0x000000001B540000-0x000000001B54C000-memory.dmp

      Filesize

      48KB

    • memory/2116-27-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-0-0x00007FFBD6EF3000-0x00007FFBD6EF5000-memory.dmp

      Filesize

      8KB

    • memory/2116-29-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-30-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-31-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-8-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-1-0x00000000007B0000-0x000000000088C000-memory.dmp

      Filesize

      880KB

    • memory/2116-7-0x0000000001070000-0x000000000107E000-memory.dmp

      Filesize

      56KB

    • memory/2116-57-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-5-0x0000000001030000-0x0000000001036000-memory.dmp

      Filesize

      24KB

    • memory/2116-4-0x000000001B780000-0x000000001B904000-memory.dmp

      Filesize

      1.5MB

    • memory/2116-3-0x00007FFBD6EF0000-0x00007FFBD79B1000-memory.dmp

      Filesize

      10.8MB

    • memory/2116-2-0x0000000001020000-0x0000000001026000-memory.dmp

      Filesize

      24KB

    • memory/2200-46-0x00000256E4440000-0x00000256E4462000-memory.dmp

      Filesize

      136KB

    • memory/4684-117-0x000000001D200000-0x000000001D315000-memory.dmp

      Filesize

      1.1MB