Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-08-2024 11:00

General

  • Target

    XBinderOutput.exe

  • Size

    498KB

  • MD5

    2c8cf21a477d6bfa16bf2e60125f4b93

  • SHA1

    cc7792f9f8fd2b6508437f5ff3f667cc71893bd8

  • SHA256

    20c29406f1b8fbbdff8528feaf19df7be1ace4da2ac3e9c1e34b710667cf7ee7

  • SHA512

    0b5ef6e9a9737357c26840b1b0cfa7b7c4ff706402d40943a5992e2b3049393d8dd20962c4a5e944b349e7e8de0287f56f81cbd3e5dd7b1e630de5f6d3bdcb69

  • SSDEEP

    12288:vM/2474xjEoCVoe3ieEm7MyuSANU22+zPp7QroGhhZL:0O2OU6e3ieEm7M72+9yosl

Malware Config

Signatures

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 8 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.

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\XBinderOutput.exe
    "C:\Users\Admin\AppData\Local\Temp\XBinderOutput.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\llllllll.exe
      "C:\Users\Admin\AppData\Local\Temp\llllllll.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3884
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\WinRAR.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:384
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WinRAR.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3896
    • C:\Users\Admin\AppData\Local\Temp\svchosts.exe
      "C:\Users\Admin\AppData\Local\Temp\svchosts.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3876
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3568
  • C:\Users\Public\WinRAR.exe
    C:\Users\Public\WinRAR.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4888
  • C:\Users\Public\WinRAR.exe
    C:\Users\Public\WinRAR.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    c952c967a6c1013f7155cc3efed8cd03

    SHA1

    dc5bbab6c51387ee4d9863415a196e297457d045

    SHA256

    f825024aeb196af7aa49d77dccfae841aa55f9fef1c1f6f8f1e0c61032f8be12

    SHA512

    8126ef222f9ed0f332f56b8754ed24845fc03fadcbe61bf6d82e07da81b143e120ce82be14e59dc98b460e399563e8461bf0925089a71008af58b3acd6d6afef

  • 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

    6d42b6da621e8df5674e26b799c8e2aa

    SHA1

    ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

    SHA256

    5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

    SHA512

    53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s5oaohg5.twf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\llllllll.exe

    Filesize

    510KB

    MD5

    342f45e65257fb8d75b1a1896eaf35ac

    SHA1

    927d528d20c2c388e599b9d103cd52c7ea8821ad

    SHA256

    dd97980e81b5e1e51eb399defba5db7c2f9efa126fa8423955cd670dcd43da11

    SHA512

    e9c0f2f7da9cacfcebebcd9e72c486ccee5c395770b1ff12d98fccc203d30158b82bc01ba60528a57594309cacc996768c416c7e3a4fc5d248d77093d712eccb

  • C:\Users\Admin\AppData\Local\Temp\svchosts.exe

    Filesize

    220KB

    MD5

    28b08dae6fe1c1af8921fc682a4d466d

    SHA1

    abedc3b269168207564d74a422b17dbece9b6a30

    SHA256

    f69a9632a9f823639d35ddd9c3e8cfb8ee92822812707b98aeb7e01dffc27460

    SHA512

    3a6b4ba2c38b593a89493646865503005d6b08d1f969989cbbb8767100041e629c3d442bffc106d848b93adae2997e3c4bea1795d65aeccb17ed2ca47f6d9494

  • memory/384-34-0x000002111C120000-0x000002111C142000-memory.dmp

    Filesize

    136KB

  • memory/2456-27-0x00007FFFF7C60000-0x00007FFFF8721000-memory.dmp

    Filesize

    10.8MB

  • memory/2456-0-0x00007FFFF7C63000-0x00007FFFF7C65000-memory.dmp

    Filesize

    8KB

  • memory/2456-10-0x00007FFFF7C60000-0x00007FFFF8721000-memory.dmp

    Filesize

    10.8MB

  • memory/2456-1-0x0000000000E70000-0x0000000000EF2000-memory.dmp

    Filesize

    520KB

  • memory/3876-26-0x00007FFFF7C60000-0x00007FFFF8721000-memory.dmp

    Filesize

    10.8MB

  • memory/3876-32-0x00007FFFF7C60000-0x00007FFFF8721000-memory.dmp

    Filesize

    10.8MB

  • memory/3876-28-0x0000000000C50000-0x0000000000C8E000-memory.dmp

    Filesize

    248KB

  • memory/3876-64-0x00007FFFF7C60000-0x00007FFFF8721000-memory.dmp

    Filesize

    10.8MB

  • memory/3884-30-0x00007FFFF7C60000-0x00007FFFF8721000-memory.dmp

    Filesize

    10.8MB

  • memory/3884-31-0x00007FFFF7C60000-0x00007FFFF8721000-memory.dmp

    Filesize

    10.8MB

  • memory/3884-29-0x0000000000690000-0x0000000000716000-memory.dmp

    Filesize

    536KB

  • memory/3884-69-0x00007FFFF7C60000-0x00007FFFF8721000-memory.dmp

    Filesize

    10.8MB

  • memory/5048-68-0x0000000001040000-0x0000000001096000-memory.dmp

    Filesize

    344KB