Analysis

  • user interaction
    yes
  • max time kernel
    107s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 19:54

General

  • Target
    universal-simlock-remover-1.0-installer.exe
  • Size 2.0MB
  • Sample260804-ym23tsw1et
  • SHA256 21370cb2a5f5f29fdf7808fde2846b1125ebc2cb251aa6486382ed803a1bfe28
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks for any installed AV software in registry 1 TTPs 10 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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

  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies registry class 5 IoCs
  • Script User-Agent 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\universal-simlock-remover-1.0-installer.exe
    "C:\Users\Admin\AppData\Local\Temp\universal-simlock-remover-1.0-installer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Users\Admin\AppData\Local\Temp\is-27R4XEVR5X.tmp\universal-simlock-remover-1.0-installer.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-27R4XEVR5X.tmp\universal-simlock-remover-1.0-installer.tmp" /SL5="$701F0,848247,840704,C:\Users\Admin\AppData\Local\Temp\universal-simlock-remover-1.0-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
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4220
      • C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\component0_extract\cookie_mmm_irs_ppi_008_585.exe
        "C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\component0_extract\cookie_mmm_irs_ppi_008_585.exe" /silent /ws /psh:agiSfNdEUMOgFSl8C94qnrdx1B9OmBbjRF0TaXAhhnYt2EGWg2GEHTjOrHwvOAwTeOH1lUfGwvQ0wiXHXE /cookie:mmm_irs_ppi_008_585_a
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Writes to the Master Boot Record (MBR)
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\common\icarus.exe
          C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\common\icarus.exe /icarus-info-path:C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\icarus-info.xml /install /silent /ws /psh:agiSfNdEUMOgFSl8C94qnrdx1B9OmBbjRF0TaXAhhnYt2EGWg2GEHTjOrHwvOAwTeOH1lUfGwvQ0wiXHXE /cookie:mmm_irs_ppi_008_585_a
          4⤵
          • Executes dropped EXE
          • Checks for any installed AV software in registry
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:5564
      • C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\component1_extract\OperaSetup.exe
        "C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\component1_extract\OperaSetup.exe" --silent --allusers=0 --otd=utm.medium:apb,utm.source:ais,utm.campaign:a,utm.id:agiSfNdEUMOgFSl8C94qoX7MFASp8FaxgZUB1u10psHvXlk2AQhhQYayZpIjDCgybibsHQg7tdCqS5UWOi
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1436
        • C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe
          C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe --silent --allusers=0 --otd=utm.medium:apb,utm.source:ais,utm.campaign:a,utm.id:agiSfNdEUMOgFSl8C94qoX7MFASp8FaxgZUB1u10psHvXlk2AQhhQYayZpIjDCgybibsHQg7tdCqS5UWOi --server-tracking-blob=OTcwNzlkMDQzMzM4YTkxYzhkNzZjZTJjMzIzMTk0YWYzMzlhZDlmMDk3M2IxNzYzZDJlYTU3MjVkNWI2MjEyODp7ImNvdW50cnkiOiJVUyIsImZhc3Rfb25ib2FyZGluZyI6e30sImluc3RhbGxlcl9uYW1lIjoiT3BlcmFTZXR1cC5leGUiLCJwcm9kdWN0Ijoib3BlcmEiLCJxdWVyeSI6Ii9vcGVyYS9zdGFibGUvd2luZG93cyIsInRpbWVzdGFtcCI6IjE3ODU0OTU2MTQuOTcyOSIsInVzZXJhZ2VudCI6InB5dGhvbi1yZXF1ZXN0cy8yLjMyLjMiLCJ1dG0iOnt9LCJ1dWlkIjoiMWNhMjllMGMtMGViNi00ODM1LThiN2UtZjRjNjQyYjM3ZmJkIn0=
          4⤵
          • Downloads MZ/PE file
          • Executes dropped EXE
          • Enumerates connected drives
          • Enumerates system info in registry
          • Suspicious use of WriteProcessMemory
          PID:2020
          • C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe
            C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=134.0.5954.26 --initial-client-data=0x2b4,0x2b8,0x2bc,0x290,0x2c0,0x7ff60fbd9d88,0x7ff60fbd9d94,0x7ff60fbd9da0
            5⤵
            • Executes dropped EXE
            PID:5124
          • C:\Users\Admin\AppData\Local\Temp\.opera\b673cf29-a065-49bc-ab5e-2cb499cc5e24 Opera Installer Temp\installer.exe
            "C:\Users\Admin\AppData\Local\Temp\.opera\b673cf29-a065-49bc-ab5e-2cb499cc5e24 Opera Installer Temp\installer.exe" --version
            5⤵
            • Executes dropped EXE
            PID:4508
          • C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe
            "C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe" --backend --install --import-browser-data=0 --enable-crash-reporting=1 --enable-stats=1 --enable-installer-stats=1 --consent-given=0 --general-interests=0 --general-location=0 --personalized-content=0 --personalized-ads=0 --launchopera=1 --showunbox=0 --installfolder="C:\Users\Admin\AppData\Local\Programs\Opera" --profile-folder --language=en --singleprofile=0 --copyonly=0 --allusers=0 --setdefaultbrowser=0 --pintotaskbar=1 --pintostartmenu=0 --run-at-startup=1 --show-intro-overlay --server-tracking-data=server_tracking_data --initial-pid=2020 --package-dir-prefix="C:\Users\Admin\AppData\Local\Temp\.opera\b673cf29-a065-49bc-ab5e-2cb499cc5e24 Opera Installer Temp\opera_package_20260804205606" --session-guid=92d946a8-290b-49bb-9688-6b66b3833816 --server-tracking-blob=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 --silent --desktopshortcut=1 --wait-for-package --initial-proc-handle=3009000000000000
            5⤵
            • Executes dropped EXE
            • Enumerates connected drives
            • Enumerates system info in registry
            • Suspicious use of WriteProcessMemory
            PID:3352
            • C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe
              C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=134.0.5954.26 --initial-client-data=0x2ac,0x2b0,0x2c0,0x288,0x2c4,0x7ff60fbd9d88,0x7ff60fbd9d94,0x7ff60fbd9da0
              6⤵
              • Executes dropped EXE
              PID:940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 948
        3⤵
        • Program crash
        PID:4252
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 948
        3⤵
        • Program crash
        PID:2328
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4220 -ip 4220
    1⤵
      PID:4760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 4220 -ip 4220
      1⤵
        PID:5224

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            sfx.log

            • Path C:\ProgramData\Avast Software\Icarus\Logs\sfx.log
            • Size 11KB
            • SHA256 3852089962091a27b340620de6e752c7e496535cf61758f72e7c2ac0fec8bf04
            • MD5 SHA1 SHA512 SSDEEP TLSH

            installer.exe

            • Path C:\Users\Admin\AppData\Local\Temp\7zSC955A42A\installer.exe
            • Size 8.3MB
            • SHA256 49d33a257c47d2e32cbb967ef1c088c0ff5d71ced60950d902c9aa82311e306c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            universal-simlock-remover-1.0-installer.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\is-27R4XEVR5X.tmp\universal-simlock-remover-1.0-installer.tmp
            • Size 4.1MB
            • SHA256 3a62ae0d102cff66fba0a1f0b9bcdf116ad369c3c4f0212eb21a53c766c75a7d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            100.png

            • Path C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\100.png
            • Size 42KB
            • SHA256 2ddd50ca3bb30387c309b0a627cc14f2820352679caa1d59f0dd35aed9540453
            • MD5 SHA1 SHA512 SSDEEP TLSH

            101.png

            • Path C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\101.png
            • Size 51KB
            • SHA256 3f63f320e919830fb21fff8dbd82509ecc8330c89513163daedb1b7687a0a529
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SUCCESS.png

            • Path C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\SUCCESS.png
            • Size 1KB
            • SHA256 2b394e114deb3a0700c70feb80d74328c4c8668aa221b0e427de783d1ab8371e
            • MD5 SHA1 SHA512 TLSH

            component0.zip

            • Path C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\component0.zip
            • Size 782KB
            • SHA256 4a59596213b8e401401fad6249213596400943f72f98d8810c48538374137f52
            • MD5 SHA1 SHA512 SSDEEP TLSH

            cookie_mmm_irs_ppi_008_585.exe

            • Path C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\component0_extract\cookie_mmm_irs_ppi_008_585.exe
            • Size 1.7MB
            • SHA256 2ab4329fb77df9f5b70ac45d9fc005f019c8ef930eabf82e6a10052f9cbeec2d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            component1.zip

            • Path C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\component1.zip
            • Size 3.1MB
            • SHA256 a805e97cab649c94c40869299cd0a39e617e44bb2a1e726c40a0de907ba987bd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            OperaSetup.exe

            • Path C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\component1_extract\OperaSetup.exe
            • Size 3.1MB
            • SHA256 234c787537b06446ec215fa072c524a4a2c49291c76040ec5ef45d457db89d16
            • MD5 SHA1 SHA512 SSDEEP TLSH

            image.png

            • Path C:\Users\Admin\AppData\Local\Temp\is-988VAWK57K.tmp\image.png
            • Size 67KB
            • SHA256 d3a3e4b0fba9357c49acc746f06845b246f2ee3405459ee0c472761c3ecbfd06
            • MD5 SHA1 SHA512 SSDEEP TLSH

            settings.dat

            • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports\settings.dat
            • Size 40B
            • SHA256 74e23041f78ec59e48404ba5231760a989df6b895a146400ef9485be7a564f7b
            • MD5 SHA1 SHA512

            icarus.exe

            • Path C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\common\icarus.exe
            • Size 9.3MB
            • SHA256 48bd9a443922dbb3115b502e274d04a52093452ae1893b994d2f069b75a4b8e3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            icarus_mod.dll

            • Path C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\common\icarus_mod.dll
            • Size 16KB
            • SHA256 450267277b701624056ce7e2c106bca2d6a7540c346c1bdbb0cf0cde3bb044e3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            product-def.xml

            • Path C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\common\product-def.xml
            • Size 2.2MB
            • SHA256 7f3013ef6908be0fa291371582144b0d2eec0afe90a683ba96e352384341946e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            product-info.xml

            • Path C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\common\product-info.xml
            • Size 11KB
            • SHA256 eca4b91c7356245b6199a0bfe6c0a732d5e84d265c398c7c70cf352f158f25cf
            • MD5 SHA1 SHA512 SSDEEP TLSH

            epps.edat

            • Path C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\epps.edat
            • Size 80B
            • SHA256 c6528b50bbe1265eeb1beb88535e7f6257075daaa245ed693e9ac38511b297bf
            • MD5 SHA1 SHA512 TLSH

            giet.edat

            • Path C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\giet.edat
            • Size 8B
            • SHA256 c2cb92b00918d830aa68e4d5496ca412e3bc86f88444cb3de9d52e62a877b93f
            • MD5 SHA1 SHA512

            icarus-info.xml

            • Path C:\Windows\Temp\asw-b0d3f242-26e8-4f57-8697-ae5c96a06e39\icarus-info.xml
            • Size 2KB
            • SHA256 e6bae4558a45d9ec75708d72436f1b46f2314d8569c9d93bbecd54e238f93383
            • MD5 SHA1 SHA512 TLSH

            memory/3336-1-0x0000000000D00000-0x0000000000DDC000-memory.dmp

            memory/3336-12-0x0000000000D00000-0x0000000000DDC000-memory.dmp

            memory/3336-208-0x0000000000D00000-0x0000000000DDC000-memory.dmp

            memory/4220-28-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-49-0x0000000000290000-0x00000000006C6000-memory.dmp

            memory/4220-47-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-44-0x0000000000290000-0x00000000006C6000-memory.dmp

            memory/4220-40-0x0000000000290000-0x00000000006C6000-memory.dmp

            memory/4220-140-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-38-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-159-0x0000000000290000-0x00000000006C6000-memory.dmp

            memory/4220-37-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-36-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-31-0x0000000000290000-0x00000000006C6000-memory.dmp

            memory/4220-32-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-29-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-22-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-23-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-14-0x00000000010D0000-0x00000000010D1000-memory.dmp

            memory/4220-13-0x0000000000290000-0x00000000006C6000-memory.dmp

            memory/4220-206-0x0000000000290000-0x00000000006C6000-memory.dmp

            memory/4220-207-0x0000000005DB0000-0x0000000005EF0000-memory.dmp

            memory/4220-6-0x00000000010D0000-0x00000000010D1000-memory.dmp