Analysis

  • max time kernel
    145s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 00:26

General

  • Target

    21a5a79c9ca784f652f196bf6d8cf071.vbs

  • Size

    3KB

  • MD5

    21a5a79c9ca784f652f196bf6d8cf071

  • SHA1

    4a47358fd44b27c84f7b219c827168aacf235314

  • SHA256

    62aee883f95c20ec2849eaa5e8bc3b8ff55ad9feb61610e1242564172edf821b

  • SHA512

    c377a99497e2aecc7b23cb4de1f84489c5e04dbe5dbc340150b249915415b06a931d01631b473bf001e05cb395e49776dcb8f258d1811a70ab9498a0f7dfb60e

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 57 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 52 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 64 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\21a5a79c9ca784f652f196bf6d8cf071.vbs"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Windows\System32\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /im 360tray.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1800
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:1892
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:1740
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:1976
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:856
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4304
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3172
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:2648
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:4816
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      PID:4700
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      PID:2304
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:5052
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3824
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:2120
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:2552
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      PID:4276
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3504
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:3304
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      PID:3808
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:2924
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      PID:3740
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4888
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:5064
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:980
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      PID:1704
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4036
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:1740
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4532
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3624
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:4232
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4564
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4424
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      PID:212
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3824
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:388
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:1976
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:1228
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4028
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:2684
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:2304
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4824
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:4128
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4848
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4828
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:4600
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4220
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      PID:1520
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      PID:5100
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3120
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4128
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      PID:4564
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:656
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:1536
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:2316
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      PID:3512
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      PID:3452
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:2452
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      PID:3264
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3292
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      PID:4432
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3176
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      PID:640
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:2148
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      PID:448
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4028
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:2332
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3208
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:2324
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:1224
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:2272
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      PID:2712
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:1856
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3232
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:2328
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:448
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:4504
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Drops autorun.inf file
      • Views/modifies file attributes
      PID:3356
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:4920
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "C:\autorun.inf"
      2⤵
      • Views/modifies file attributes
      PID:2272
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\autorun.inf"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:1512
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "C:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      • Views/modifies file attributes
      PID:2356
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\21a5a79c9ca784f652f196bf6d8cf071.vbs"
      2⤵
      • Sets file to hidden
      PID:3364
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +a +s +h +r "F:\autorun.inf"
      2⤵
      • Sets file to hidden
      PID:4072
    • C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" -a -s -h -r "F:\autorun.inf"
      2⤵
      • Views/modifies file attributes
      PID:4636

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\21a5a79c9ca784f652f196bf6d8cf071.vbs

    Filesize

    3KB

    MD5

    21a5a79c9ca784f652f196bf6d8cf071

    SHA1

    4a47358fd44b27c84f7b219c827168aacf235314

    SHA256

    62aee883f95c20ec2849eaa5e8bc3b8ff55ad9feb61610e1242564172edf821b

    SHA512

    c377a99497e2aecc7b23cb4de1f84489c5e04dbe5dbc340150b249915415b06a931d01631b473bf001e05cb395e49776dcb8f258d1811a70ab9498a0f7dfb60e

  • C:\autorun.inf

    Filesize

    131B

    MD5

    38ee17766a121b81c6b6982a17708fe8

    SHA1

    e7f64d72a6a500000c96b892f9b97eb09343cf8e

    SHA256

    09c929db07db904d860111a784d82ea1d5fa1b9a2848adb4c1861aef6fb2f685

    SHA512

    acc3c3a80b6223ec89e003e401a51e78ab909f299d3bbf857e413ddfba998b3f097b6b87be943680fcec68b8eda6e3b7c9eb40b1f7cdf0f14375cd6c24537f6c