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Analysis

  • max time kernel
    57s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2025, 20:44

General

  • Target

    HEUR-Trojan-Downloader.Win32.Upatre.gen-431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6.7z

  • Size

    252KB

  • MD5

    72d78b59ad0456c64a76fa91a1c084e3

  • SHA1

    c53539a0abf85c3df78a7f877609bf053ea2d466

  • SHA256

    59bba11d5069ab5d7eb810cd75c59da534c97fa565428dff4ed8341b6e65a3ae

  • SHA512

    ae84f6e00b55735319ad59651e7c87e928562ec4299786c748cc7bb15f071f0c748956dbde3df804ab1e7197365e7bc8e7986c03129f95a45d8e42f5dadadb55

  • SSDEEP

    6144:fzQoKDUrMj+xSH78PB9dNKmCcxES227kRUYTgZLTok3DRrxevC:0o2UrMawbaBUXcxE/Q2U+gLTok3y6

Malware Config

Extracted

Family

gcleaner

C2

gcl-gb.biz

45.9.20.13

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Gcleaner family
  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • Onlylogger family
  • OnlyLogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 7 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Downloader.Win32.Upatre.gen-431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6.7z"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1108
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /1
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4028
  • C:\Users\Admin\Desktop\HEUR-Trojan-Downloader.Win32.Upatre.gen-431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6.exe
    "C:\Users\Admin\Desktop\HEUR-Trojan-Downloader.Win32.Upatre.gen-431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 736
      2⤵
      • Program crash
      PID:848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 772
      2⤵
      • Program crash
      PID:4668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 932
      2⤵
      • Program crash
      PID:1092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 968
      2⤵
      • Program crash
      PID:3688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 968
      2⤵
      • Program crash
      PID:3564
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 1000
      2⤵
      • Program crash
      PID:3572
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "HEUR-Trojan-Downloader.Win32.Upatre.gen-431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6.exe" /f & erase "C:\Users\Admin\Desktop\HEUR-Trojan-Downloader.Win32.Upatre.gen-431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "HEUR-Trojan-Downloader.Win32.Upatre.gen-431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3192
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 728
      2⤵
      • Program crash
      PID:2412
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2544 -ip 2544
    1⤵
      PID:4152
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2544 -ip 2544
      1⤵
        PID:3616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2544 -ip 2544
        1⤵
          PID:3344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2544 -ip 2544
          1⤵
            PID:2416
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2544 -ip 2544
            1⤵
              PID:3676
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2544 -ip 2544
              1⤵
                PID:2040
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2544 -ip 2544
                1⤵
                  PID:2524

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

                  Filesize

                  64KB

                  MD5

                  d2fb266b97caff2086bf0fa74eddb6b2

                  SHA1

                  2f0061ce9c51b5b4fbab76b37fc6a540be7f805d

                  SHA256

                  b09f68b61d9ff5a7c7c8b10eee9447d4813ee0e866346e629e788cd4adecb66a

                  SHA512

                  c3ba95a538c1d266beb83334af755c34ce642a4178ab0f2e5f7822fd6821d3b68862a8b58f167a9294e6d913b08c1054a69b5d7aec2efdb3cf9796ed84de21a8

                • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

                  Filesize

                  4B

                  MD5

                  f49655f856acb8884cc0ace29216f511

                  SHA1

                  cb0f1f87ec0455ec349aaa950c600475ac7b7b6b

                  SHA256

                  7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba

                  SHA512

                  599e93d25b174524495ed29653052b3590133096404873318f05fd68f4c9a5c9a3b30574551141fbb73d7329d6be342699a17f3ae84554bab784776dfda2d5f8

                • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

                  Filesize

                  944B

                  MD5

                  6bd369f7c74a28194c991ed1404da30f

                  SHA1

                  0f8e3f8ab822c9374409fe399b6bfe5d68cbd643

                  SHA256

                  878947d0ec814fe7c343cdebc05eebf00eb14f3023bdb3809a559e17f399fe5d

                  SHA512

                  8fc5f073dc9fa1e1ae47c60a5f06e0a48709fd6a4302dffaa721858409e7bde64bc6856d3fb28891090516d1a7afc542579de287778b5755eafe75cc67d45d93

                • C:\Users\Admin\Desktop\HEUR-Trojan-Downloader.Win32.Upatre.gen-431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6.exe

                  Filesize

                  444KB

                  MD5

                  618b9c37470513652fcee22a118b31bd

                  SHA1

                  db1ef92f18adcdbdb7a7e41a3942b7bd47adac3d

                  SHA256

                  431da2bfead5da6bfa24bf8ecd9a43863ff06f0ea5cf76f330d7359ade0b23b6

                  SHA512

                  25ca82f50c2df6fa23c588f0e1e5f98ceb85463f41729ce029b44ed46eeeb7057cfbe2ee38246fc5b9f4d4604dab55ea3dc2553c42195747fb55ea9db9632ab2

                • memory/2544-32-0x0000000000400000-0x000000000089E000-memory.dmp

                  Filesize

                  4.6MB

                • memory/4672-11-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-2-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-10-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-9-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-8-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-12-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-13-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-14-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-4-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB

                • memory/4672-3-0x000001913C420000-0x000001913C421000-memory.dmp

                  Filesize

                  4KB