Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 19:26

General

  • Target

    22abc470d761ac7d46b0b9febe33b6c3801f3d6df1e2ecac071b78247f38dc8a.exe

  • Size

    220KB

  • MD5

    0f79c1cda4b2f9230203cf1def2a9d02

  • SHA1

    609d9c995e7d1f657d56e12c388234d76bffcb83

  • SHA256

    22abc470d761ac7d46b0b9febe33b6c3801f3d6df1e2ecac071b78247f38dc8a

  • SHA512

    631381caeb6598ac284f0bacba3d840496a571db1573c4550ece8a2414a3c76291e0aa160b7ce38a31ce22eb34a8ccbd12b44c46f7bf10bb7e3221f77a747d3c

  • SSDEEP

    3072:RguO56UGXss77V+Vau63bPuezMXBNLhy1njptnwk84Xpc5I:FUGFWauaIB5hyNjUkC5I

Malware Config

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Renames multiple (9086) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Clears Network RDP Connection History and Configurations 1 TTPs 2 IoCs

    Remove evidence of malicious network connections to clean up operations traces.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 30 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

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

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22abc470d761ac7d46b0b9febe33b6c3801f3d6df1e2ecac071b78247f38dc8a.exe
    "C:\Users\Admin\AppData\Local\Temp\22abc470d761ac7d46b0b9febe33b6c3801f3d6df1e2ecac071b78247f38dc8a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\tmp49EB.tmp.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\reg.exe
        reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default" /va /f
        3⤵
        • Clears Network RDP Connection History and Configurations
        • System Location Discovery: System Language Discovery
        PID:1980
      • C:\Windows\SysWOW64\reg.exe
        reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers" /f
        3⤵
        • Clears Network RDP Connection History and Configurations
        • System Location Discovery: System Language Discovery
        PID:4004
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4576
      • C:\Windows\SysWOW64\attrib.exe
        attrib Default.rdp -s -h
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:4500
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\22abc470d761ac7d46b0b9febe33b6c3801f3d6df1e2ecac071b78247f38dc8a.exe > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5056
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 1088
      2⤵
      • Program crash
      PID:3296
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=4420 /prefetch:8
    1⤵
      PID:4532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2028 -ip 2028
      1⤵
        PID:1136

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\$Recycle.Bin\S-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini

        Filesize

        1KB

        MD5

        2ee87933f97f70d70d5f4b1930adb9f7

        SHA1

        617d284e389972df13ab764bb01d6b4be2210d03

        SHA256

        d54e9ec82b026aa99b5d6245e5d62a80df86b71dfca8c0882dc599e6fb15d177

        SHA512

        7eb9ea530a34f80e57035a45f619b6baebe5e7869900c9f2ef95be3b6734109db5439de30bd2e4803665bfa838d383f5a1f55e639abccdd294ae19fecd4fce07

      • C:\Users\Admin\AppData\Local\Temp\tmp49EB.tmp.bat

        Filesize

        445B

        MD5

        32d8f7a3d0c796cee45f64b63c1cca38

        SHA1

        d58466430a2bba8641bd92c880557379e25b140c

        SHA256

        1a6f73b5c28d1c10f63f2056068c1de61487b8cf8f1dcf7516548df144b3e9ea

        SHA512

        288213b92a03ac750ea319bb23c52e7bdf47f5a47ecb70c905c7610a84c63a3ec0a30801b5880e6def8df2c9f577082072e342198d23a19f64e561923e1ef698

      • C:\Users\Public\Videos\Read___ME.html

        Filesize

        4KB

        MD5

        6a0d15f3522829983076db5bf40f0e2f

        SHA1

        b7113eda2631d71fd56a4bb7bb83fe85bb975666

        SHA256

        73139a465cdf0e14b90fa95e0598cae252712a33102e25de515335612765252c

        SHA512

        f7af99cf5deb1a5a58613154101d9530105ddf94e49621d3a20ace358500e72feeaacb225c365ddb760afed108d7f6a300be48cdfb56aa9f48cec797b7e90bda

      • memory/2028-1-0x0000000000870000-0x0000000000970000-memory.dmp

        Filesize

        1024KB

      • memory/2028-3-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/2028-1072-0x0000000000400000-0x0000000000537000-memory.dmp

        Filesize

        1.2MB

      • memory/2028-4172-0x0000000000870000-0x0000000000970000-memory.dmp

        Filesize

        1024KB

      • memory/2028-4727-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB