Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 04:25

General

  • Target
    Afterschool.Tag.v1.0.1/_Redist/vcredist_x86.exe
  • Size 4.8MB
  • Sample261023-e2ascaby7n
  • SHA256 8162b2d665ca52884507ede19549e99939ce4ea4a638c537fa653539819138c8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 8 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Afterschool.Tag.v1.0.1\_Redist\vcredist_x86.exe
    "C:\Users\Admin\AppData\Local\Temp\Afterschool.Tag.v1.0.1\_Redist\vcredist_x86.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1496
    • \??\f:\c67dc16ff63c066183181105410d8a\Setup.exe
      f:\c67dc16ff63c066183181105410d8a\Setup.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3336
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5020

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          HFI3366.tmp.html

          • Path C:\Users\Admin\AppData\Local\Temp\HFI3366.tmp.html
          • Size 16KB
          • SHA256 7783afd6a4298614ec1108cd44cc1edb03f45916b502655d6c02dca2b1916df6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Setup.exe

          • Path F:\c67dc16ff63c066183181105410d8a\Setup.exe
          • Size 76KB
          • SHA256 d273460aa4d42f0b5764383e2ab852ab9af6fecb3ed866f1783869f2f155d8be
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1028\LocalizedData.xml
          • Size 29KB
          • SHA256 a27f809211ea1a2d5224cd01101aa3a59bf7853168e45de28a16ef7ed6acd46a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1031\LocalizedData.xml
          • Size 40KB
          • SHA256 2aa6e8d402e44d9ee895b18195f46bf90259de1b6f44efd46a7075b110f2dcd6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1033\LocalizedData.xml
          • Size 38KB
          • SHA256 5d90345ff74e177f6da8fb6459c1cfcac080e698215ca75feb130d0d1f2a76b9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SetupResources.dll

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1033\SetupResources.dll
          • Size 16KB
          • SHA256 36d0159ed1a7d88000737e920375868765c0a1dd6f5a5acbb79cf7d97d9e7a34
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1036\LocalizedData.xml
          • Size 40KB
          • SHA256 43f913ff28d677316f560a0f45221f35f27cfaf5fc5bd645974a82dca589edbf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1040\LocalizedData.xml
          • Size 39KB
          • SHA256 c4c7c0ddaa6d6a3a1dc260e9c5a24bdfaa98c427c69e8a65427dd7cac0a4b248
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1041\LocalizedData.xml
          • Size 33KB
          • SHA256 01e7d24dd8e00b5c333e96d1bb83813e02e96f89aad0c2f28f84551d28abbbe2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1042\LocalizedData.xml
          • Size 32KB
          • SHA256 cccda55294aeb4af166a8c0449bca2189ddf5aa9a43d5e939dd3803e61738331
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\1049\LocalizedData.xml
          • Size 39KB
          • SHA256 beef0631c17a4fb1ff0b625c50c6cb6c8ce90a1ae62c5e60e14bf3d915ad509c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\2052\LocalizedData.xml
          • Size 30KB
          • SHA256 d1735c8cfd8e10ba019d70818c19fa865e7c72f30ab6421a3748408f85fb96c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          LocalizedData.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\3082\LocalizedData.xml
          • Size 39KB
          • SHA256 f124d318138ff084b6484deb354cca0f72296e1341bf01169792b3e060c89e89
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DHTMLHeader.html

          • Path \??\f:\c67dc16ff63c066183181105410d8a\DHTMLHeader.html
          • Size 15KB
          • SHA256 e139af8858fe90127095ac1c4685bcd849437ef0df7c416033554703f5d864bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ParameterInfo.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\ParameterInfo.xml
          • Size 8KB
          • SHA256 bf787b8c697ce418f9d4c07260f56d1145ca70db1cc4b1321d37840837621e8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SetupEngine.dll

          • Path \??\f:\c67dc16ff63c066183181105410d8a\SetupEngine.dll
          • Size 788KB
          • SHA256 7a0d281fa802d615ea1207bd2e9ebb98f3b74f9833bba3cb964ba7c7e0fb67fd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SetupUi.dll

          • Path \??\f:\c67dc16ff63c066183181105410d8a\SetupUi.dll
          • Size 288KB
          • SHA256 11565d97287c01d22ad2e46c78d8a822fa3e6524561d4c02dfc87e8d346c44e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SetupUi.xsd

          • Path \??\f:\c67dc16ff63c066183181105410d8a\SetupUi.xsd
          • Size 29KB
          • SHA256 222211e8f512edf97d78bc93e1f271c922d5e91fa899e092b4a096776a704093
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Strings.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\Strings.xml
          • Size 13KB
          • SHA256 e49545feeae22198728ad04236e31e02035af7cc4d68e10cbecffd08669cbeca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UiInfo.xml

          • Path \??\f:\c67dc16ff63c066183181105410d8a\UiInfo.xml
          • Size 35KB
          • SHA256 0d36a884a8381778bea71f5f9f0fc60cacadebd3f814679cb13414b8e7dbc283
          • MD5 SHA1 SHA512 SSDEEP TLSH

          print.ico

          • Path \??\f:\c67dc16ff63c066183181105410d8a\graphics\print.ico
          • Size 1KB
          • SHA256 ff542e32330b123486797b410621e19eafb39df3997e14701afa4c22096520ed
          • MD5 SHA1 SHA512 TLSH

          save.ico

          • Path \??\f:\c67dc16ff63c066183181105410d8a\graphics\save.ico
          • Size 1KB
          • SHA256 ae041c8764f56fd89277b34982145d16fc59a4754d261c861b19371c3271c6e5
          • MD5 SHA1 SHA512 TLSH

          setup.ico

          • Path \??\f:\c67dc16ff63c066183181105410d8a\graphics\setup.ico
          • Size 35KB
          • SHA256 288e9ad8f0201e45bc187839f15aca79d6b9f76a7d3c9274c80f5d4a4c219c0f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          stop.ico

          • Path \??\f:\c67dc16ff63c066183181105410d8a\graphics\stop.ico
          • Size 9KB
          • SHA256 b499e1b21091b539d4906e45b6fdf490d5445256b72871aece2f5b2562c11793
          • MD5 SHA1 SHA512 SSDEEP TLSH

          sqmapi.dll

          • Path \??\f:\c67dc16ff63c066183181105410d8a\sqmapi.dll
          • Size 141KB
          • SHA256 bd6395a58f55a8b1f4063e813ce7438f695b9b086bb965d8ac44e7a97d35a93c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3336-99-0x0000000002910000-0x0000000002911000-memory.dmp