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Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 06:34

General

  • Target

    59e4d7381bc4f6fb0ecab5dae0ea4524.exe

  • Size

    78KB

  • MD5

    59e4d7381bc4f6fb0ecab5dae0ea4524

  • SHA1

    ff2069e6e43edbbcfdb1d3af7dea764b7cddacec

  • SHA256

    3ac8676a1a323bf1b9346c002e4cc9e67b976d16607ff85b95ef1ae7e0774830

  • SHA512

    f1479b03154d3bfbfefd8bdafc9901b358899e1ae53d4d9c31057ad154c39078fad54fecc6348c64a697e20f9163a3eeb5003ee2945d06bbff47d8b752e270c6

  • SSDEEP

    1536:buHY6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQteR9/+R1rI:buHYn3xSyRxvY3md+dWWZyeR9/+Y

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59e4d7381bc4f6fb0ecab5dae0ea4524.exe
    "C:\Users\Admin\AppData\Local\Temp\59e4d7381bc4f6fb0ecab5dae0ea4524.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\tmpCFC.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpCFC.tmp.exe" C:\Users\Admin\AppData\Local\Temp\59e4d7381bc4f6fb0ecab5dae0ea4524.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\8a9fiqqa.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:616
  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD79.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcD78.tmp"
    1⤵
      PID:2236

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\8a9fiqqa.0.vb

      Filesize

      15KB

      MD5

      23bb940f688ed26c9c80783f5f2f9022

      SHA1

      ae9ffd6995131db458428d1cf7fc34117953a22b

      SHA256

      4ee64a38dc74feb54be2bdcb2a17de1ec6e8e5207051654352ab920562ec0101

      SHA512

      c08ed8abf789715c6c049ab1805c81e215b0635d922ba1fc9c79ac6f2da2e4f879b2cff0448affbe0cffd7f0d9e42b98f7514701e7ede221569190b7ff46a15e

    • C:\Users\Admin\AppData\Local\Temp\8a9fiqqa.cmdline

      Filesize

      265B

      MD5

      8016e53a39a442f055a89b32be9b5760

      SHA1

      0839ef3d80f49183c0f3d69a8beea0f25677658d

      SHA256

      4e3d32db3cd4b3a7d235badaf8ace564877d21002e7fec6582fbb673bc8bfc39

      SHA512

      fe72faa2076465fe4c2811bdef00f2ba917cc0ccd8b9b58bf048c6f7ba2dc154ffa9e60640751ba020a0e39fa09451ec0016b17b8cf2270de5e4762794223f81

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

      Filesize

      78KB

      MD5

      8e5c1473f41d84e6491e7e5289809c7a

      SHA1

      c98f8952185f41c505d57e55c1560d94ab2ac976

      SHA256

      5fd911556b137792c054739ee9623a61723f44959b4e34eabc580ccb504561ca

      SHA512

      a00caa1975792ed92cd75c3146a81188adb30265b3dac7420f90a7cf154e9ff08e1ade87b539fd8f5007e0fd41a5d486e22953da6beb570ce80ab2c1f7098794

    • C:\Users\Admin\AppData\Local\Temp\vbcD78.tmp

      Filesize

      660B

      MD5

      28bb4a84cb195a68f3d6f0d84648251a

      SHA1

      7a188c28b632d14d1aa6305e5c801b6cd46b8074

      SHA256

      34dcb87fb3c7b352d2bb2d88edc1b6183586e239b8962f64930f8f0c97a32654

      SHA512

      d5751712beec3ed446dfd48e1f1171acc374723f11d25c5f0e0252345a345b0122f0aff8f069df3b677b6dabe47101a08efd15413d090aad9fab7802407aad68

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

      Filesize

      62KB

      MD5

      4f0e8cf79edb6cd381474b21cabfdf4a

      SHA1

      7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

      SHA256

      e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

      SHA512

      2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

    • memory/616-8-0x0000000000630000-0x0000000000670000-memory.dmp

      Filesize

      256KB

    • memory/2744-26-0x0000000074FA0000-0x000000007554B000-memory.dmp

      Filesize

      5.7MB

    • memory/2744-25-0x0000000001F70000-0x0000000001FB0000-memory.dmp

      Filesize

      256KB

    • memory/2744-24-0x0000000074FA0000-0x000000007554B000-memory.dmp

      Filesize

      5.7MB

    • memory/2744-28-0x0000000001F70000-0x0000000001FB0000-memory.dmp

      Filesize

      256KB

    • memory/2744-30-0x0000000001F70000-0x0000000001FB0000-memory.dmp

      Filesize

      256KB

    • memory/2744-29-0x0000000074FA0000-0x000000007554B000-memory.dmp

      Filesize

      5.7MB

    • memory/2988-23-0x0000000074FA0000-0x000000007554B000-memory.dmp

      Filesize

      5.7MB

    • memory/2988-2-0x0000000000C60000-0x0000000000CA0000-memory.dmp

      Filesize

      256KB

    • memory/2988-1-0x0000000074FA0000-0x000000007554B000-memory.dmp

      Filesize

      5.7MB

    • memory/2988-0-0x0000000074FA0000-0x000000007554B000-memory.dmp

      Filesize

      5.7MB