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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/02/2025, 15:39

General

  • Target

    open-need-this-707.exe

  • Size

    8.3MB

  • MD5

    2761863597a1e22c894a88265eb6fdbb

  • SHA1

    3814875979acf7329d70957a208659528a4c83c6

  • SHA256

    cd5fd68c44426d71df9bbd25c62b425932f9c2e1d5fe020e70ee1b73e3af5292

  • SHA512

    2fccf5a720f70a9091ccd31fb1c1f5a5f7d52cf89d0e7fe79028f18c56285d4465cd674f85266dbdceb1ec561dadbc831a2da37fa9a0c3cf3bf7f677d3ebca4b

  • SSDEEP

    98304:pn8Yxk5fQ4RtDc7lIwd9ISwOnSKXyz8Xa:9S5Y0tK6MnnS8G8Xa

Malware Config

Extracted

Family

cryptbot

C2

http://home.thrtjj13sr.top/eqlJMJRyIxwLXPguLiyp16

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 7 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Downloads MZ/PE file 1 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 10 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • System policy modification 1 TTPs 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\open-need-this-707.exe
    "C:\Users\Admin\AppData\Local\Temp\open-need-this-707.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:3356
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI3IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTQ1MzEyMTQzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:1784
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\MicrosoftEdge_X64_133.0.3065.59.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\MicrosoftEdge_X64_133.0.3065.59.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4100
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7acad6a68,0x7ff7acad6a74,0x7ff7acad6a80
        3⤵
        • Executes dropped EXE
        PID:2976
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe" --msedge --channel=stable --system-level --verbose-logging --create-shortcuts=2 --install-level=1
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:4656
        • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe
          "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff7acad6a68,0x7ff7acad6a74,0x7ff7acad6a80
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          PID:2168
      • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --register-package-identity --verbose-logging --system-level
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3940
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6e1816a68,0x7ff6e1816a74,0x7ff6e1816a80
          4⤵
          • Executes dropped EXE
          PID:648
      • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --remove-deprecated-packages --verbose-logging --system-level
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5028
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6e1816a68,0x7ff6e1816a74,0x7ff6e1816a80
          4⤵
          • Executes dropped EXE
          PID:1260
      • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --msedge --channel=stable --update-game-assist-package --verbose-logging --system-level
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3912
        • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\MsEdgeCrashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.60 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.59\Installer\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.59 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff6e1816a68,0x7ff6e1816a74,0x7ff6e1816a80
          4⤵
          • Executes dropped EXE
          PID:5000
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k AppReadiness -p -s AppReadiness
    1⤵
      PID:368
    • C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe
      "C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe" /InvokerPRAID: Microsoft.MicrosoftOfficeHub prelaunch
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:5088
    • C:\Windows\system32\wwahost.exe
      "C:\Windows\system32\wwahost.exe" -ServerName:Microsoft.MicrosoftOfficeHub.wwa
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{8B5B6838-24CD-4495-99CB-787F50CD813A}\EDGEMITMP_EA58C.tmp\setup.exe

      Filesize

      6.8MB

      MD5

      1b3e9c59f9c7a134ec630ada1eb76a39

      SHA1

      a7e831d392e99f3d37847dcc561dd2e017065439

      SHA256

      ce78ccfb0c9cdb06ea61116bc57e50690650b6b5cf37c1aebfb30c19458ee4ae

      SHA512

      c0e50410dc92d80ff7bc854907774fc551564e078a8d38ca6421f15cea50282c25efac4f357b52b066c4371f9b8d4900fa8122dd80ab06ecbd851c6e049f7a3e

    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

      Filesize

      3.9MB

      MD5

      ad5f7dc7ca3e67dce70c0a89c04519e0

      SHA1

      a10b03234627ca8f3f8034cd5637cda1b8246d83

      SHA256

      663fe0f4e090583e6aa5204b9a80b7a76f677259066e56a7345aebc6bc3e7d31

      SHA512

      ad5490e9865caa454c47ec2e96364b9c566b553e64801da60c295acd570017747be1aff6f22ca6c20c6eee6f6d05a058af72569fd6e656f66e48010978c7fd51

    • C:\Program Files\msedge_installer.log

      Filesize

      74KB

      MD5

      a7f7ad17cb3de53dc9cb062d62a4f405

      SHA1

      d51f79a31435da34edacc12ced8af8970210bccd

      SHA256

      cb5eb323bc94d0e339f88e8ff0d7209cadd5bceacc456a42db047f5e80239f2e

      SHA512

      5c5be40d512b7439894b6a3c8d0af3c4be8c26161c30b76256a761de8e574561cb85d55a6580ca944c3abbc7fba357fd0936efad430cdbbe101aaf25a3375114

    • C:\Program Files\msedge_installer.log

      Filesize

      99KB

      MD5

      bd326ba1f3fed6dd3acba64d9e143791

      SHA1

      4acd0700c655ef52fab51c599030a835ec5b4974

      SHA256

      f2f9b0745bff5dd86d622a2717bbccf1c9c3a02ff2355d2f6bca0c37d9c9e4a9

      SHA512

      2d5b5ed023680fa8fc396724dc6a9fabb43b882557792c0a37b95d1b43849564c2c460f737337751fb382e10715aec7893644c38e0a67b10f81b998246d8b0ac

    • C:\Program Files\msedge_installer.log

      Filesize

      103KB

      MD5

      8be1613e3be8423bf545b44e50df1ef1

      SHA1

      bcfd94688ea91e36f88d83bff3c8480685d8610e

      SHA256

      3fbf252af4c72a15db898339343f9bfc4085baa55528c0f2af14473f97e3ef10

      SHA512

      04bd6d78a23b1cd7b948084bed540e933680dfbe7659beed93ce567795a56e6fcfa2887d602913b060b940501c3bf8471e14ee52a1bd346b7bbf34f39b49d518

    • C:\Program Files\msedge_installer.log

      Filesize

      106KB

      MD5

      caec9897cbe382673acef9a5f9f84ed3

      SHA1

      6e2fc1d2c85ecf790582dc1d338093d8ea1e6261

      SHA256

      3165f856238ce03803c13c9c0991b92ec0ef8dd093122a57b1a2fb188ced1227

      SHA512

      784733ac84c86d796720f9f5d8a1c51b70a63a6dc7625c70739c3a132247711ebba33c04a9b9539a22f28b39743f7192d4bfe3b6848735fae2fe15d6779ca880

    • memory/3356-16-0x0000000000E90000-0x00000000016F1000-memory.dmp

      Filesize

      8.4MB

    • memory/3356-3-0x0000000000E90000-0x00000000016F1000-memory.dmp

      Filesize

      8.4MB

    • memory/3356-0-0x0000000000E90000-0x00000000016F1000-memory.dmp

      Filesize

      8.4MB

    • memory/3356-132-0x0000000000E90000-0x00000000016F1000-memory.dmp

      Filesize

      8.4MB

    • memory/5088-83-0x0000027E73C20000-0x0000027E73C2E000-memory.dmp

      Filesize

      56KB

    • memory/5088-84-0x0000027E75DF0000-0x0000027E75DFA000-memory.dmp

      Filesize

      40KB

    • memory/5088-85-0x0000027E77360000-0x0000027E77368000-memory.dmp

      Filesize

      32KB

    • memory/5088-86-0x0000027E773D0000-0x0000027E77619000-memory.dmp

      Filesize

      2.3MB