Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 17:10

General

  • Target
    caffeine-1.98-installer.exe
  • Size 2.0MB
  • Sample260810-vpsemadp4w
  • SHA256 3574c0d5406f25169850dfe6e05d202c9487b8529d2b646ad9f890ca32ae2895
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks for any installed AV software in registry 1 TTPs 9 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.

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\caffeine-1.98-installer.exe
    "C:\Users\Admin\AppData\Local\Temp\caffeine-1.98-installer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Users\Admin\AppData\Local\Temp\is-8F4TIBMS6B.tmp\caffeine-1.98-installer.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8F4TIBMS6B.tmp\caffeine-1.98-installer.tmp" /SL5="$601B4,848247,840704,C:\Users\Admin\AppData\Local\Temp\caffeine-1.98-installer.exe"
      2⤵
      • Executes dropped EXE
      • Checks for any installed AV software in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:4440

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        caffeine-1.98-installer.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-8F4TIBMS6B.tmp\caffeine-1.98-installer.tmp
        • Size 4.1MB
        • SHA256 3a62ae0d102cff66fba0a1f0b9bcdf116ad369c3c4f0212eb21a53c766c75a7d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        100.png

        • Path C:\Users\Admin\AppData\Local\Temp\is-U55NQ01Z2I.tmp\100.png
        • Size 42KB
        • SHA256 2ddd50ca3bb30387c309b0a627cc14f2820352679caa1d59f0dd35aed9540453
        • MD5 SHA1 SHA512 SSDEEP TLSH

        101.png

        • Path C:\Users\Admin\AppData\Local\Temp\is-U55NQ01Z2I.tmp\101.png
        • Size 51KB
        • SHA256 3f63f320e919830fb21fff8dbd82509ecc8330c89513163daedb1b7687a0a529
        • MD5 SHA1 SHA512 SSDEEP TLSH

        image

        • Path C:\Users\Admin\AppData\Local\Temp\is-U55NQ01Z2I.tmp\image
        • Size 17KB
        • SHA256 f03b37effdbaa5d978f558c561a6dea19fdf36748d62a77a8fb91ad2e1fe6ac1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4440-31-0x0000000006170000-0x00000000062B0000-memory.dmp

        memory/4440-37-0x0000000006170000-0x00000000062B0000-memory.dmp

        memory/4440-14-0x0000000000DD0000-0x0000000001206000-memory.dmp

        memory/4440-20-0x0000000000DD0000-0x0000000001206000-memory.dmp

        memory/4440-9-0x0000000000DD0000-0x0000000001206000-memory.dmp

        memory/4440-30-0x0000000006170000-0x00000000062B0000-memory.dmp

        memory/4440-52-0x0000000000DD0000-0x0000000001206000-memory.dmp

        memory/4440-50-0x0000000000DD0000-0x0000000001206000-memory.dmp

        memory/4440-36-0x0000000006170000-0x00000000062B0000-memory.dmp

        memory/4440-10-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

        memory/4440-6-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

        memory/4440-42-0x0000000006170000-0x00000000062B0000-memory.dmp

        memory/4440-44-0x0000000006170000-0x00000000062B0000-memory.dmp

        memory/4440-43-0x0000000000DD0000-0x0000000001206000-memory.dmp

        memory/4440-45-0x0000000006170000-0x00000000062B0000-memory.dmp

        memory/4440-48-0x0000000006170000-0x00000000062B0000-memory.dmp

        memory/4440-47-0x0000000000DD0000-0x0000000001206000-memory.dmp

        memory/4796-8-0x0000000000320000-0x00000000003FC000-memory.dmp

        memory/4796-0-0x0000000000320000-0x00000000003FC000-memory.dmp