Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 12:17

General

  • Target
    teamviewer-15.76.5-installer.exe
  • Size 2.0MB
  • Sample260623-pgaxqacy6x
  • SHA256 e0936a9758d1b39d5f20f0f5d0f8aa7d9cbdc5bdf5f0ad4492edf956aaeab18b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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).

  • 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. 2 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 4 IoCs
  • 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\teamviewer-15.76.5-installer.exe
    "C:\Users\Admin\AppData\Local\Temp\teamviewer-15.76.5-installer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5760
    • C:\Users\Admin\AppData\Local\Temp\is-2QXLAY6SWM.tmp\teamviewer-15.76.5-installer.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2QXLAY6SWM.tmp\teamviewer-15.76.5-installer.tmp" /SL5="$502B0,847735,840192,C:\Users\Admin\AppData\Local\Temp\teamviewer-15.76.5-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
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\component0_extract\OperaSetup.exe
        "C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\component0_extract\OperaSetup.exe" --silent --allusers=0 --otd=utm.medium:apb,utm.source:ais,utm.campaign:a,utm.id:agiSfNdDBT7YSar0RNIxQxSF1hyOF0YRsQZMT2VC0ab7IZHsp0kDEL2ZCfjT3aK6M0Bg6Hc9utkxcFn4eI
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2344
        • C:\Users\Admin\AppData\Local\Temp\7zS829850E9\installer.exe
          C:\Users\Admin\AppData\Local\Temp\7zS829850E9\installer.exe --silent --allusers=0 --otd=utm.medium:apb,utm.source:ais,utm.campaign:a,utm.id:agiSfNdDBT7YSar0RNIxQxSF1hyOF0YRsQZMT2VC0ab7IZHsp0kDEL2ZCfjT3aK6M0Bg6Hc9utkxcFn4eI --server-tracking-blob=MGM4NzNjOGVjMDNhYzUzNjZhZDY4NGEzNzU0YmQyODgzNzY0NWFhNDZlM2JlMzQyOGViNjRmZDY5ZGFiNGZjYTp7ImNvdW50cnkiOiJVUyIsImZhc3Rfb25ib2FyZGluZyI6e30sImluc3RhbGxlcl9uYW1lIjoiT3BlcmFTZXR1cC5leGUiLCJwcm9kdWN0Ijoib3BlcmEiLCJxdWVyeSI6Ii9vcGVyYS9zdGFibGUvd2luZG93cyIsInRpbWVzdGFtcCI6IjE3ODE2OTQwMTIuNjc0NCIsInVzZXJhZ2VudCI6InB5dGhvbi1yZXF1ZXN0cy8yLjMyLjMiLCJ1dG0iOnt9LCJ1dWlkIjoiMzU5OGZkMGUtNTIxZS00M2JkLWI0Y2EtYWY5ZDdkYmJiYzJmIn0=
          4⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Enumerates system info in registry
          • Suspicious use of WriteProcessMemory
          PID:268
          • C:\Users\Admin\AppData\Local\Temp\7zS829850E9\installer.exe
            C:\Users\Admin\AppData\Local\Temp\7zS829850E9\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=132.0.5905.73 --initial-client-data=0x2b4,0x2b8,0x2bc,0x290,0x2c0,0x7ff78c874e08,0x7ff78c874e14,0x7ff78c874e20
            5⤵
            • Executes dropped EXE
            PID:3260
          • C:\Users\Admin\AppData\Local\Temp\.opera\55b65325-4e23-43ef-8475-c986a270a672 Opera Installer Temp\installer.exe
            "C:\Users\Admin\AppData\Local\Temp\.opera\55b65325-4e23-43ef-8475-c986a270a672 Opera Installer Temp\installer.exe" --version
            5⤵
            • Executes dropped EXE
            PID:4368
          • C:\Users\Admin\AppData\Local\Temp\7zS829850E9\installer.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS829850E9\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=268 --package-dir-prefix="C:\Users\Admin\AppData\Local\Temp\.opera\55b65325-4e23-43ef-8475-c986a270a672 Opera Installer Temp\opera_package_20260623131820" --session-guid=22483e45-deb8-43d1-8451-be73fa0f90a4 --server-tracking-blob=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 --silent --desktopshortcut=1 --wait-for-package --initial-proc-handle=9408000000000000
            5⤵
            • Executes dropped EXE
            • Enumerates connected drives
            • Enumerates system info in registry
            • Suspicious use of WriteProcessMemory
            PID:468
            • C:\Users\Admin\AppData\Local\Temp\7zS829850E9\installer.exe
              C:\Users\Admin\AppData\Local\Temp\7zS829850E9\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=132.0.5905.73 --initial-client-data=0x2ac,0x2b0,0x2c0,0x288,0x2c4,0x7ff78c874e08,0x7ff78c874e14,0x7ff78c874e20
              6⤵
              • Executes dropped EXE
              PID:4676
      • C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\component1_extract\cookie_mmm_irs_ppi_008_585.exe
        "C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\component1_extract\cookie_mmm_irs_ppi_008_585.exe" /silent /ws /psh:agiSfNdDBT7YSar0RNIxP1YpnhQdSWZE3w652wuSS5s4Oj4m4cK0vGcf4x85e90rPx6OKLbIxLy6QSpPo4 /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:2168
        • C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\common\icarus.exe
          C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\common\icarus.exe /icarus-info-path:C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\icarus-info.xml /install /silent /ws /psh:agiSfNdDBT7YSar0RNIxP1YpnhQdSWZE3w652wuSS5s4Oj4m4cK0vGcf4x85e90rPx6OKLbIxLy6QSpPo4 /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:3192

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 32091e84490825b3476c871aa520747146041b0e0568cc7c803efd427edc5052
        • MD5 SHA1 SHA512 SSDEEP TLSH

        installer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zS829850E9\installer.exe
        • Size 8.3MB
        • SHA256 dc3d10cc8484cd68565230d8ee80dbae3d55a8731e77ed698dd20e4b295209da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        teamviewer-15.76.5-installer.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-2QXLAY6SWM.tmp\teamviewer-15.76.5-installer.tmp
        • Size 4.1MB
        • SHA256 ad44ccbfc69fda66fef3c812fe4aab5eafaf8bd654f8b707081c30233677544a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        100.png

        • Path C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\100.png
        • Size 51KB
        • SHA256 3f63f320e919830fb21fff8dbd82509ecc8330c89513163daedb1b7687a0a529
        • MD5 SHA1 SHA512 SSDEEP TLSH

        101.png

        • Path C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\101.png
        • Size 42KB
        • SHA256 2ddd50ca3bb30387c309b0a627cc14f2820352679caa1d59f0dd35aed9540453
        • MD5 SHA1 SHA512 SSDEEP TLSH

        component0.zip

        • Path C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\component0.zip
        • Size 3.1MB
        • SHA256 7bf1457c424bc988f46d4a724a41b575e28532ae1d4d516ded36755548103b2a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OperaSetup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\component0_extract\OperaSetup.exe
        • Size 3.1MB
        • SHA256 2f4845da5165fca2852bc970c40be62aa4d410963773e4eaba16516b3fec3050
        • MD5 SHA1 SHA512 SSDEEP TLSH

        component1.zip

        • Path C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\component1.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-ZKX2KLHZ0Q.tmp\component1_extract\cookie_mmm_irs_ppi_008_585.exe
        • Size 1.7MB
        • SHA256 2ab4329fb77df9f5b70ac45d9fc005f019c8ef930eabf82e6a10052f9cbeec2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        image.jpg

        • Path C:\Users\Admin\AppData\Local\Temp\is-ZKX2KLHZ0Q.tmp\image.jpg
        • Size 13KB
        • SHA256 f404e7e82645011948ee19138d85f5b1faebb2aae79b56515f01349e9ea1997f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        settings.dat

        • Path C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports\settings.dat
        • Size 40B
        • SHA256 ae144ba5c92f954a7c32be3cd6df9a2fa6a86244e8fd2444f3ba0a844a99d74d
        • MD5 SHA1 SHA512

        icarus.exe

        • Path C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\common\icarus.exe
        • Size 9.3MB
        • SHA256 97427e9692e0c5ec88752a2a048c0ffb4d534a961ccb762939e4efb0bdafe7d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icarus_mod.dll

        • Path C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\common\icarus_mod.dll
        • Size 16KB
        • SHA256 52e07dfe261985b53d95759721c6ec3dd7af79d6a8ef646058f825f009aeaa68
        • MD5 SHA1 SHA512 SSDEEP TLSH

        product-def.xml

        • Path C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\common\product-def.xml
        • Size 2.1MB
        • SHA256 c1e0dcc603727e8b8be9a155fd42210467706a792afa0d42a070e634d39810ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        product-info.xml

        • Path C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\common\product-info.xml
        • Size 11KB
        • SHA256 fbec0294649f3f8754582447a2c401b1e09f6265d6e6d3c4612e8e9e58750edc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        epps.edat

        • Path C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\epps.edat
        • Size 80B
        • SHA256 c6528b50bbe1265eeb1beb88535e7f6257075daaa245ed693e9ac38511b297bf
        • MD5 SHA1 SHA512 TLSH

        giet.edat

        • Path C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\giet.edat
        • Size 8B
        • SHA256 c2cb92b00918d830aa68e4d5496ca412e3bc86f88444cb3de9d52e62a877b93f
        • MD5 SHA1 SHA512

        icarus-info.xml

        • Path C:\Windows\Temp\asw-da1b48f9-190b-464d-b092-943b583a6e05\icarus-info.xml
        • Size 2KB
        • SHA256 0b83456809bdb5db16ebfd9429fdf753f4d3c1974a6a11e7846c3fd91d046850
        • MD5 SHA1 SHA512 TLSH

        memory/4360-28-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-19-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-72-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-38-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-37-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-36-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-133-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-31-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/4360-32-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-148-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/4360-29-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-217-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/4360-21-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/4360-208-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/4360-23-0x0000000006550000-0x0000000006690000-memory.dmp

        memory/4360-22-0x0000000001880000-0x0000000001881000-memory.dmp

        memory/4360-42-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/4360-6-0x0000000001880000-0x0000000001881000-memory.dmp

        memory/4360-189-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/4360-199-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/4360-201-0x0000000000BC0000-0x0000000000FF6000-memory.dmp

        memory/5760-20-0x00000000008E0000-0x00000000009BC000-memory.dmp

        memory/5760-0-0x00000000008E0000-0x00000000009BC000-memory.dmp