Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 23:52

General

  • Target

    launch4.exe

  • Size

    29.1MB

  • MD5

    597cd30fd43bbd1b7860e249061c555f

  • SHA1

    676f2f92da2985d62103995d821a1f9012f190f9

  • SHA256

    a4bede8f47d510ae66d4a0b63566fbc21a80d3913a99a52030d0b432e343280a

  • SHA512

    dcca1170cb026a92ae2f5e159b66f9d30e501e63281a81636d51fd44927fc6da2d8bb6645c993364d3a5915269ef3218842baff042859c5b389a5ef399c2505c

  • SSDEEP

    786432:iXSBA738g1a9FccSOUEd7J4xzzLv/xbdqa+nY:DK3a3Swd7Ju7JbdqxnY

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\launch4.exe
    "C:\Users\Admin\AppData\Local\Temp\launch4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\3vYsDLI' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4780
    • C:\Program Files (x86)\3vYsDLI\p3vYsDL.exe
      "C:\Program Files (x86)\3vYsDLI\p3vYsDL.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\3vYsDLI\VCRUNTIME140.dll

    Filesize

    77KB

    MD5

    9d5a742f221c4929a178baf2b93fc7fb

    SHA1

    928c9e0e1c18ec474c2f450ca00a154e44ac547a

    SHA256

    f10727074bcb4375f276e48da64029d370299768536157321fb4bd9b1997b898

    SHA512

    f4614962c67bb41b8a2fb17e3112745f4ba012bbf382c1cc7deacd6c8525a53d75890a2eb46f0da61bfa054dc52505b09a29291d5fa1c25c6201a66b9dc4b547

  • C:\Program Files (x86)\3vYsDLI\p3vYsDL.exe

    Filesize

    3.0MB

    MD5

    a3e9a318d0bb16091b862f4bf70c73b6

    SHA1

    f3abd6519c705c46ba0e5d6a6bc2f3b48e945d03

    SHA256

    7a5f94516f2dcadf478c6936c234cd9b9d28d3fadc55b346485dc1ef6194f003

    SHA512

    9e1dd2116fc0c3afe4807a717ac08d730f4fd2d9a28628516ea0def7a9b8b7432ecfeda8ad7901ce6137f34b406ed16f72234b8f05228688e356f5fcf64289ac

  • C:\Program Files (x86)\3vYsDLI\templateWatch.dat

    Filesize

    874KB

    MD5

    a1e4f7bd3e0e4f4381d48c7cb5aa6d26

    SHA1

    e8f376a709669c5c67486e76214caacb7778a2de

    SHA256

    f280a4887f9f3f20973cf6a254150dd3617e58a06201b955aeba6f04bf4ef5d9

    SHA512

    f5e7f12c01e0ed6d213cde09aac86dc6fbdcc58c54535aaf213e60f36a19b8dc00c56b86230012b1a9f37163b6f9c46c51231b6e2e108bd7a531f54ec3bd5284

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tlxxdjtv.hwx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/532-1-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB

  • memory/532-0-0x0000000002380000-0x00000000023A3000-memory.dmp

    Filesize

    140KB

  • memory/3508-27-0x0000000003C00000-0x0000000003CDB000-memory.dmp

    Filesize

    876KB

  • memory/3508-30-0x0000000010000000-0x00000000100E4000-memory.dmp

    Filesize

    912KB

  • memory/3508-35-0x0000000010000000-0x00000000100E4000-memory.dmp

    Filesize

    912KB

  • memory/4780-52-0x0000000006200000-0x0000000006554000-memory.dmp

    Filesize

    3.3MB

  • memory/4780-67-0x00000000078A0000-0x0000000007943000-memory.dmp

    Filesize

    652KB

  • memory/4780-41-0x0000000005FB0000-0x0000000006016000-memory.dmp

    Filesize

    408KB

  • memory/4780-42-0x0000000006090000-0x00000000060F6000-memory.dmp

    Filesize

    408KB

  • memory/4780-38-0x0000000005890000-0x0000000005EB8000-memory.dmp

    Filesize

    6.2MB

  • memory/4780-37-0x0000000002D90000-0x0000000002DC6000-memory.dmp

    Filesize

    216KB

  • memory/4780-53-0x00000000066B0000-0x00000000066CE000-memory.dmp

    Filesize

    120KB

  • memory/4780-54-0x00000000066E0000-0x000000000672C000-memory.dmp

    Filesize

    304KB

  • memory/4780-55-0x0000000006C80000-0x0000000006CB2000-memory.dmp

    Filesize

    200KB

  • memory/4780-56-0x0000000073E70000-0x0000000073EBC000-memory.dmp

    Filesize

    304KB

  • memory/4780-66-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

    Filesize

    120KB

  • memory/4780-39-0x0000000005810000-0x0000000005832000-memory.dmp

    Filesize

    136KB

  • memory/4780-68-0x0000000008020000-0x000000000869A000-memory.dmp

    Filesize

    6.5MB

  • memory/4780-69-0x00000000079E0000-0x00000000079FA000-memory.dmp

    Filesize

    104KB

  • memory/4780-70-0x0000000007A50000-0x0000000007A5A000-memory.dmp

    Filesize

    40KB

  • memory/4780-71-0x0000000007C60000-0x0000000007CF6000-memory.dmp

    Filesize

    600KB

  • memory/4780-72-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

    Filesize

    68KB

  • memory/4780-73-0x0000000007C10000-0x0000000007C1E000-memory.dmp

    Filesize

    56KB

  • memory/4780-74-0x0000000007C20000-0x0000000007C34000-memory.dmp

    Filesize

    80KB

  • memory/4780-75-0x0000000007D20000-0x0000000007D3A000-memory.dmp

    Filesize

    104KB

  • memory/4780-76-0x0000000007D00000-0x0000000007D08000-memory.dmp

    Filesize

    32KB