Analysis

  • max time kernel
    138s
  • max time network
    100s
  • 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 03:43

General

  • Target

    15f4218be77d7391d5168829a60ee498ee686c08946a0272882d036726379c67.exe

  • Size

    12KB

  • MD5

    27059e1cd993cb056f0855acb2f17710

  • SHA1

    96fa4275e67a611e234cc562395e3ca3e2345f6b

  • SHA256

    15f4218be77d7391d5168829a60ee498ee686c08946a0272882d036726379c67

  • SHA512

    5170524a135b3bb65bad2dc724830ededfd5cdb3200085e7560c20b7275a777abc583973820780c55b6084c317ac825a75b70ebf6e4b5f990c14e3fc66f199f6

  • SSDEEP

    384:6L7li/2z7q2DcEQvdhcJKLTp/NK9xaQ4:kHM/Q9cQ4

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15f4218be77d7391d5168829a60ee498ee686c08946a0272882d036726379c67.exe
    "C:\Users\Admin\AppData\Local\Temp\15f4218be77d7391d5168829a60ee498ee686c08946a0272882d036726379c67.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\5dcy4scw\5dcy4scw.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6D02.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcD3C0C1A41AE2434998533DDCA1D2293.TMP"
        3⤵
          PID:5044
      • C:\Users\Admin\AppData\Local\Temp\tmp6B5D.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp6B5D.tmp.exe" C:\Users\Admin\AppData\Local\Temp\15f4218be77d7391d5168829a60ee498ee686c08946a0272882d036726379c67.exe
        2⤵
        • Deletes itself
        • Executes dropped EXE
        PID:1980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\5dcy4scw\5dcy4scw.0.vb

      Filesize

      2KB

      MD5

      ec498d75f63b6799779ec2e4d0864f6e

      SHA1

      fb5651962d137c75982aa9f7db1cd3d43057259a

      SHA256

      f5f4154a3a56d1c4b73197e6c168ddd59a21c1cee3548f7ca973d252d43daee8

      SHA512

      a6504a9c317fb3a5715b667cd4b13e493f87005eafd2135ac7ec4abbb19fd860a55e67a0caf8c2d18ff1ff40f86e269fac2aae768f3266517b517310625d829d

    • C:\Users\Admin\AppData\Local\Temp\5dcy4scw\5dcy4scw.cmdline

      Filesize

      273B

      MD5

      8b0fcda307644c5473739418e4a61bf5

      SHA1

      a61332893d47ec47beb507a45df95e8637c8771d

      SHA256

      ac084a89714962f97727cbb1de78546040355a962aeda6b94b6b1912997db9f9

      SHA512

      03460c1beae56b08a6833a689e3b8c9c8afa635215e2605432a74c28be8d8c179868b706b54b42b7c87b878aff65a04f2a89a1f74d3aaddc93f1518aa964cfc7

    • C:\Users\Admin\AppData\Local\Temp\RE.resources

      Filesize

      2KB

      MD5

      5ea6b265197abed4fb224f4bd53ae75f

      SHA1

      9644c18dab0195f8e85adf1350927802b7b2b56d

      SHA256

      49d430ecdbf648d728ad7e2eb440c55b022633e66e1f94a9052f74cfaeb921da

      SHA512

      b066969613975149dd1624ba4f1936e2885a7b8df1a0475ca74452e21291defece8b65e6e3be75a92c7508f3f01c967b779debd2e25dc69c4eb64956ec64a520

    • C:\Users\Admin\AppData\Local\Temp\RES6D02.tmp

      Filesize

      1KB

      MD5

      8c463f90da1139e747102a36395d9485

      SHA1

      bcc638b362c1fba78ae6d205904d3e73e8fcf57e

      SHA256

      822add398b32784d726d347ed8c1a5afeb9f4145fc226306b2ab6697f07cfffd

      SHA512

      52790460bfcbc59527e08fcf1e0aea7d848c96cc0f7f9099cdd73e2e9798eb7f8bed55874a74945ca5d0192258b11c04a12b42afc3285de8ec50ef4be1d8fcae

    • C:\Users\Admin\AppData\Local\Temp\tmp6B5D.tmp.exe

      Filesize

      12KB

      MD5

      3fbdf3277a2c2ec2c2c3c2256d92aa7b

      SHA1

      f6d7bc218f419a648bbee27bfaa9a73d40160b4b

      SHA256

      5736e9269186e5f35f928aa34fc3999bddbe8a137c1648ab469e88b6169aa154

      SHA512

      78cebe56675b66e6f2473dd4cdff2c99d0be10a1b878c1398bd044438874fa3f207991390f218ddca901a3c2790459e14ac63733dd00fb0cb307c491f3c1c7f5

    • C:\Users\Admin\AppData\Local\Temp\vbcD3C0C1A41AE2434998533DDCA1D2293.TMP

      Filesize

      1KB

      MD5

      54d4c11226f3be00707c725903ff6939

      SHA1

      1d611b603e00a4c09594119f66664ff98d51b8bf

      SHA256

      877e2e45fc783d418cc9fff847e8936aad8ef319a2e6b34eee0e89c61a7b6322

      SHA512

      6bcef1ea9572ea0e65c1e0293726df5cb26b110491fefafe712778a77914223c06fca649185e53a38f75322d9ef4573535802cb5fd1b65276815ef7d65fe1fa6

    • memory/1492-8-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/1492-2-0x0000000004A10000-0x0000000004AAC000-memory.dmp

      Filesize

      624KB

    • memory/1492-1-0x0000000000070000-0x000000000007A000-memory.dmp

      Filesize

      40KB

    • memory/1492-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

      Filesize

      4KB

    • memory/1492-24-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/1980-25-0x0000000000560000-0x000000000056A000-memory.dmp

      Filesize

      40KB

    • memory/1980-26-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/1980-27-0x0000000005400000-0x00000000059A4000-memory.dmp

      Filesize

      5.6MB

    • memory/1980-28-0x0000000004EF0000-0x0000000004F82000-memory.dmp

      Filesize

      584KB

    • memory/1980-30-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB