Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 03:22

General

  • Target
    Activation Manager Unlocker b14.exe
  • Size 4.4MB
  • Sample260620-dw7z8aes8s
  • SHA256 a4ae388c46f11c11e17762eef8bee6c1212a3f852846a31c93b7d0a337a57b3b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • 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. 3 IoCs

    Inno Setup installer

  • Modifies system certificate store 2 TTPs 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Activation Manager Unlocker b14.exe
    "C:\Users\Admin\AppData\Local\Temp\Activation Manager Unlocker b14.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5548
    • C:\Users\Admin\AppData\Local\Temp\is-LU0AS.tmp\Activation Manager Unlocker b14.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LU0AS.tmp\Activation Manager Unlocker b14.tmp" /SL5="$702BA,3497816,1282560,C:\Users\Admin\AppData\Local\Temp\Activation Manager Unlocker b14.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5420
      • C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\certmgr.exe
        "C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\certmgr.exe" /del /all /s PrivateCertStore
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        PID:3216
      • C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\makecert.exe
        "C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\makecert.exe" -r -a SHA256 -eku "1.3.6.1.5.5.7.3.3,1.3.6.1.4.1.311.10.3.13" -n CN="Steinberg Media Technologies GmbH" -pe -ss PrivateCertStore SMTG.cer
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        PID:4384
      • C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\certmgr.exe
        "C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\certmgr.exe" -add C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\SMTG.cer -s -r localMachine ROOT
        3⤵
        • Executes dropped EXE
        • Modifies trusted root certificate store through registry
        • Modifies system certificate store
        PID:5712
      • C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\signtool.exe
        "C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\signtool.exe" sign /fd SHA256 /v /s PrivateCertStore /a /n "Steinberg Media Technologies GmbH" "C:\Program Files\Common Files\Steinberg\Activation Manager\license-engine-access.dll"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Modifies trusted root certificate store through registry
        • Modifies system certificate store
        PID:4748
      • C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\signtool.exe
        "C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\signtool.exe" sign /fd SHA256 /v /s PrivateCertStore /a /n "Steinberg Media Technologies GmbH" "C:\Program Files\Common Files\Steinberg\Activation Manager\SteinbergLicenseEngine.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        PID:1468

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        SteinbergLicenseEngine.exe

        • Path C:\Program Files\Common Files\Steinberg\Activation Manager\SteinbergLicenseEngine.exe
        • Size 5.5MB
        • SHA256 805928b5312c7a698e53db16482a08eefea85f83a7409764f1491683cfa39dc8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        license-engine-access.dll

        • Path C:\Program Files\Common Files\Steinberg\Activation Manager\license-engine-access.dll
        • Size 3.2MB
        • SHA256 623434b04027d4fe97c1d3aee19c357235c7c944c8ea8148d4a3da3f6483c426
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SMTG.cer

        • Path C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\SMTG.cer
        • Size 874B
        • SHA256 9841ac52babc8b9cd3dae8c65179b152fb88597ce3a8df29efe4db8c7e25bd06
        • MD5 SHA1 SHA512 TLSH

        certmgr.exe

        • Path C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\certmgr.exe
        • Size 80KB
        • SHA256 68040976ea73a1c4a14e40fedbcb886edb7ae97b006b9540c74c0f0d313dc78b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        makecert.exe

        • Path C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\makecert.exe
        • Size 61KB
        • SHA256 d184933b6917faf559bd250c7f2d47d1bc9bba98442aa0f4b48d4371357c81dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        signtool.exe

        • Path C:\Users\Admin\AppData\Local\Temp\is-IHUDR.tmp\signtool.exe
        • Size 448KB
        • SHA256 a36f5e81ce208137acc8fa9c00547c020fa10f044583002ccd23799b7f64078e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Activation Manager Unlocker b14.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-LU0AS.tmp\Activation Manager Unlocker b14.tmp
        • Size 3.9MB
        • SHA256 983d1dc87b88d1c1d6fc1c34eb1ab74815877f6632cb841d288313b427e33f03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5420-6-0x0000000000F70000-0x0000000000F71000-memory.dmp

        memory/5420-42-0x0000000000400000-0x00000000007FC000-memory.dmp

        memory/5420-43-0x0000000000F70000-0x0000000000F71000-memory.dmp

        memory/5420-44-0x0000000000400000-0x00000000007FC000-memory.dmp

        memory/5548-0-0x0000000000400000-0x0000000000547000-memory.dmp

        memory/5548-41-0x0000000000400000-0x0000000000547000-memory.dmp

        memory/5548-45-0x0000000000400000-0x0000000000547000-memory.dmp