Analysis

  • max time kernel
    298s
  • max time network
    309s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07/06/2024, 00:15

General

  • Target
    85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
  • Size 119KB
  • Sample240607-aj1tlafc86
  • SHA256 85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 29 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
    "C:\Users\Admin\AppData\Local\Temp\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C chcp 65001 && timeout /t 3 > NUL && schtasks /create /tn "85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe" &&START "" "C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4840
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:4012
        • C:\Windows\system32\timeout.exe
          timeout /t 3
          3⤵
          • Delays execution with timeout.exe
          PID:4852
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe" /rl HIGHEST /f
          3⤵
          • Creates scheduled task(s)
          PID:1388
        • C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
          "C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe"
          3⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:2076
          • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\tor-real.exe
            "C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\tor-real.exe" -f "C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\torrc.txt"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:5064
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2680
            • C:\Windows\system32\chcp.com
              chcp 65001
              5⤵
                PID:4004
              • C:\Windows\system32\netsh.exe
                netsh wlan show profiles
                5⤵
                  PID:1976
                • C:\Windows\system32\findstr.exe
                  findstr /R /C:"[ ]:[ ]"
                  5⤵
                    PID:3920
                • C:\Windows\SYSTEM32\cmd.exe
                  "cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:5056
                  • C:\Windows\system32\chcp.com
                    chcp 65001
                    5⤵
                      PID:2072
                    • C:\Windows\system32\netsh.exe
                      netsh wlan show networks mode=bssid
                      5⤵
                        PID:596
                      • C:\Windows\system32\findstr.exe
                        findstr "SSID BSSID Signal"
                        5⤵
                          PID:2272
                • C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3680
                • C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:588
                • C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:3884
                • C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:3512
                • C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4764

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe.log

                      • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe.log
                      • Size 1KB
                      • SHA256 8678df64deb4a7203a8ac3eaa5af8b767111e753385d286f9e1c121d45830e22
                      • MD5 SHA1 SHA512

                      85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe

                      • Path C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
                      • Size 119KB
                      • SHA256 85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0
                      • MD5 SHA1 SHA512 SSDEEP

                      p.dat

                      • Path C:\Users\Admin\AppData\Local\zxqaiiy6en\p.dat
                      • Size 4B
                      • SHA256 7938b441a42b3859e9826e50d985e93e8ff7ea8d9c1ad09a96b7dd42c7de7c0c
                      • MD5 SHA1 SHA512

                      cached-microdesc-consensus.tmp

                      • Path C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\data\cached-microdesc-consensus.tmp
                      • Size 2.5MB
                      • SHA256 ed738b11b7337cedffa2332e9dc155a74bd5c33dfbd826751c99ad58d68b1f7c
                      • MD5 SHA1 SHA512 SSDEEP

                      cached-microdescs.new

                      • Path C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\data\cached-microdescs.new
                      • Size 11.1MB
                      • SHA256 714e10e02c9807a9db55dddf5357685274db4f232c3acddc2b739ff311cb10ae
                      • MD5 SHA1 SHA512 SSDEEP

                      hostname

                      • Path C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\host\hostname
                      • Size 64B
                      • SHA256 8f6e21f69aa309782c0653a47714f70079afe9c003a2dc5aefa502a8b59c5157
                      • MD5 SHA1 SHA512

                      libevent-2-1-7.dll

                      • Path C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\libevent-2-1-7.dll
                      • Size 1.1MB
                      • SHA256 91c812a33871e40b264761f1418e37ebfeb750fe61ca00cbcbe9f3769a8bf585
                      • MD5 SHA1 SHA512 SSDEEP

                      tor-real.exe

                      • Path C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\tor-real.exe
                      • Size 2.1MB
                      • SHA256 8e6b38dd8031604d4a0bfda8814766e702090174bedd6eb81dd2d9bc109ad737
                      • MD5 SHA1 SHA512 SSDEEP

                      tor-real.exe

                      • Path C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\tor-real.exe
                      • Size 448KB
                      • SHA256 2b5840793cd315abf0fc4814488994e5ba7b52cadecb08033d84ee15d903b994
                      • MD5 SHA1 SHA512 SSDEEP

                      torrc.txt

                      • Path C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\torrc.txt
                      • Size 226B
                      • SHA256 e16888f34ffd0f24a8e87216cb7711668677f9a7f81b04c784ef027546092396
                      • MD5 SHA1 SHA512

                      libcrypto-1_1.dll

                      • Path \Users\Admin\AppData\Local\zxqaiiy6en\tor\libcrypto-1_1.dll
                      • Size 2.1MB
                      • SHA256 1b28d7a5b6eba639ff5d9078ad0cf12dfbe1ded3b55b61cf015f8525d989bae4
                      • MD5 SHA1 SHA512 SSDEEP

                      libevent-2-1-7.dll

                      • Path \Users\Admin\AppData\Local\zxqaiiy6en\tor\libevent-2-1-7.dll
                      • Size 512KB
                      • SHA256 1899282cb058b7d9e4bfd7089dc4b226528ea293bd530a7a537a704a25de0ea1
                      • MD5 SHA1 SHA512 SSDEEP

                      libgcc_s_sjlj-1.dll

                      • Path \Users\Admin\AppData\Local\zxqaiiy6en\tor\libgcc_s_sjlj-1.dll
                      • Size 448KB
                      • SHA256 280f137f198068c4838bf53394ca0824d001fcfb17853bacad9475a664487d7e
                      • MD5 SHA1 SHA512 SSDEEP

                      libssl-1_1.dll

                      • Path \Users\Admin\AppData\Local\zxqaiiy6en\tor\libssl-1_1.dll
                      • Size 1.1MB
                      • SHA256 c697434857a039bf27238c105be0487a0c6c611dd36cb1587c3c6b3bf582718a
                      • MD5 SHA1 SHA512 SSDEEP

                      libssp-0.dll

                      • Path \Users\Admin\AppData\Local\zxqaiiy6en\tor\libssp-0.dll
                      • Size 246KB
                      • SHA256 46541d9e28c18bc11267630920b97c42f104c258b55e2f62e4a02bcd5f03e0e7
                      • MD5 SHA1 SHA512 SSDEEP

                      libwinpthread-1.dll

                      • Path \Users\Admin\AppData\Local\zxqaiiy6en\tor\libwinpthread-1.dll
                      • Size 512KB
                      • SHA256 228fcfe9ed0574b8da32dd26eaf2f5dbaef0e1bd2535cb9b1635212ccdcbf84d
                      • MD5 SHA1 SHA512 SSDEEP

                      zlib1.dll

                      • Path \Users\Admin\AppData\Local\zxqaiiy6en\tor\zlib1.dll
                      • Size 121KB
                      • SHA256 219d9d5bf0de4c2251439c89dd5f2959ee582e7f9f7d5ff66a29c88753a3a773
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/824-2-0x00007FFDC79F0000-0x00007FFDC83DC000-memory.dmp

                      memory/824-1-0x00007FFDC79F3000-0x00007FFDC79F4000-memory.dmp

                      memory/824-6-0x00007FFDC79F0000-0x00007FFDC83DC000-memory.dmp

                      memory/824-0-0x000001D6360C0000-0x000001D6360E4000-memory.dmp

                      memory/5064-100-0x0000000073760000-0x0000000073786000-memory.dmp

                      memory/5064-119-0x0000000073350000-0x0000000073646000-memory.dmp

                      memory/5064-117-0x00000000732C0000-0x0000000073341000-memory.dmp

                      memory/5064-115-0x0000000073790000-0x0000000073876000-memory.dmp

                      memory/5064-114-0x0000000073880000-0x00000000738C4000-memory.dmp

                      memory/5064-113-0x00000000738D0000-0x00000000739CB000-memory.dmp

                      memory/5064-116-0x0000000073650000-0x0000000073754000-memory.dmp

                      memory/5064-112-0x0000000000EE0000-0x00000000012F4000-memory.dmp

                      memory/5064-118-0x0000000073760000-0x0000000073786000-memory.dmp

                      memory/5064-122-0x0000000000EE0000-0x00000000012F4000-memory.dmp

                      memory/5064-130-0x0000000000EE0000-0x00000000012F4000-memory.dmp

                      memory/5064-139-0x0000000000EE0000-0x00000000012F4000-memory.dmp

                      memory/5064-99-0x00000000738D0000-0x00000000739CB000-memory.dmp

                      memory/5064-158-0x0000000000EE0000-0x00000000012F4000-memory.dmp

                      memory/5064-101-0x0000000000EE0000-0x00000000012F4000-memory.dmp

                      memory/5064-182-0x0000000000EE0000-0x00000000012F4000-memory.dmp

                      memory/5064-190-0x0000000000EE0000-0x00000000012F4000-memory.dmp

                      memory/5064-205-0x0000000000EE0000-0x00000000012F4000-memory.dmp