Analysis

  • max time kernel
    298s
  • max time network
    308s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-06-2024 05:40

General

  • Target

    85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe

  • Size

    119KB

  • MD5

    b37058a1a6fa72cf11d4bda54e15790a

  • SHA1

    b8663b93cac0b88168d207fd648da5c2f9b775de

  • SHA256

    85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0

  • SHA512

    4848057ad580943a96e57713ca721ad3052001e8fd428651b08034592596f14e9396d0de970bdbffc552e104189aa81dfe7723bd13003637659198ec38fed818

  • SSDEEP

    3072:taz/aDPGTGEFCgfOUs9b1sYbj9udwbtkJjT17WfCSL:ttyfOUs9b1jEE

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 9 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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:4656
    • 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:2500
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2572
        • C:\Windows\system32\timeout.exe
          timeout /t 3
          3⤵
          • Delays execution with timeout.exe
          PID:1484
        • 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:4512
        • 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:4288
          • 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:1620
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4424
            • C:\Windows\system32\chcp.com
              chcp 65001
              5⤵
                PID:4780
              • C:\Windows\system32\netsh.exe
                netsh wlan show profiles
                5⤵
                  PID:2308
                • C:\Windows\system32\findstr.exe
                  findstr /R /C:"[ ]:[ ]"
                  5⤵
                    PID:2468
                • 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:4788
                  • C:\Windows\system32\chcp.com
                    chcp 65001
                    5⤵
                      PID:772
                    • C:\Windows\system32\netsh.exe
                      netsh wlan show networks mode=bssid
                      5⤵
                        PID:2688
                      • C:\Windows\system32\findstr.exe
                        findstr "SSID BSSID Signal"
                        5⤵
                          PID:2776
                • 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:3592
                • 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:5048
                • 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:3944
                • 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:908
                • 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:4452

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe.log

                  Filesize

                  1KB

                  MD5

                  d51a38b0538aafbb39cd4743767cf2a3

                  SHA1

                  ec819ad7959110e2244b2978e4a60e4c5e99961d

                  SHA256

                  8678df64deb4a7203a8ac3eaa5af8b767111e753385d286f9e1c121d45830e22

                  SHA512

                  51ffb0c793f034843cf749716680bb6dd81c840bbe22f6426c8d14ffd62a7b4fab974325aa978e62ba57575b836aff4e00a810688818749021f658b623fd41f2

                • C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe

                  Filesize

                  119KB

                  MD5

                  b37058a1a6fa72cf11d4bda54e15790a

                  SHA1

                  b8663b93cac0b88168d207fd648da5c2f9b775de

                  SHA256

                  85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0

                  SHA512

                  4848057ad580943a96e57713ca721ad3052001e8fd428651b08034592596f14e9396d0de970bdbffc552e104189aa81dfe7723bd13003637659198ec38fed818

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\p.dat

                  Filesize

                  4B

                  MD5

                  d37b3ca37106b2bfdeaa12647e3bb1c9

                  SHA1

                  2816ea4edd21439dd60534564fe087bbfdc83448

                  SHA256

                  a3b4f619337e9bf6bd25e441434bec390aab03819c2724a614938326bfb3bf8a

                  SHA512

                  1d74aa19f761eae47cf039372774f82b98ae9b118d88ea7575c19cf7348e92a2324fd48d3fa81d21918997b52817173a80365997c9aa212053151ae08222d74c

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\data\cached-microdesc-consensus.tmp

                  Filesize

                  2.5MB

                  MD5

                  b34dba796a1c13447b4406a4d71f619c

                  SHA1

                  1fc1fcc7538877a664767ef90e0f230f2434d05a

                  SHA256

                  986b2c7e0171a7b228f7066cde478161a4178ed12253072871af99d3ba627930

                  SHA512

                  082bf4555b7f4fe9c1c551b4bb42d8bd3b8f6b9552fb2bbce5c46b770f59f3562bc035c4f47d00346c9d6c21b5e3e68a6f80395f60e43bc506d7ae2778903a57

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\data\cached-microdescs.new

                  Filesize

                  6.3MB

                  MD5

                  234e7ade8914975e774f4199e369a303

                  SHA1

                  ba77049ddfc64a0aecf5378ece72c60416ccaaa6

                  SHA256

                  457502703b947f7808c79122d61c000c969e03d2ff571af4d8651e201e8196fa

                  SHA512

                  555c192d6a32c7aaf153def9bb33ca9a2c64aabc063a210705ae45a3b537aded07b69ed3a1a6076f2571c29ea185154233bac827bf29bba773b6d8a989e171fe

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\host\hostname

                  Filesize

                  64B

                  MD5

                  a1d3abf2af88d29f014fe2296e71377f

                  SHA1

                  0391746c8e9f437373c541401d48ae55c882ff11

                  SHA256

                  af5816d003b872f17394c6bf71c032fd9f316b45c4e468f94d82544770d37110

                  SHA512

                  3093bc7f6fc94acccf4870eaaa6f5d7af63aeac72b653d998afd310c3bf7009517216164088ba1817e384adfc08e8496cab8be60265fe3d3748fbe6aabc47dad

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\libevent-2-1-7.dll

                  Filesize

                  1.1MB

                  MD5

                  a3bf8e33948d94d490d4613441685eee

                  SHA1

                  75ed7f6e2855a497f45b15270c3ad4aed6ad02e2

                  SHA256

                  91c812a33871e40b264761f1418e37ebfeb750fe61ca00cbcbe9f3769a8bf585

                  SHA512

                  c20ef2efcacb5f8c7e2464de7fde68bf610ab2e0608ff4daed9bf676996375db99bee7e3f26c5bd6cca63f9b2d889ed5460ec25004130887cd1a90b892be2b28

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\libgcc_s_sjlj-1.dll

                  Filesize

                  1.0MB

                  MD5

                  bd40ff3d0ce8d338a1fe4501cd8e9a09

                  SHA1

                  3aae8c33bf0ec9adf5fbf8a361445969de409b49

                  SHA256

                  ebda776a2a353f8f0690b1c7706b0cdaff3d23e1618515d45e451fc19440501c

                  SHA512

                  404fb3c107006b832b8e900f6e27873324cd0a7946cdccf4ffeea365a725892d929e8b160379af9782bcd6cfeb4c3c805740e21280b42bb2ce8f39f26792e5a1

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\libssl-1_1.dll

                  Filesize

                  1.1MB

                  MD5

                  945d225539becc01fbca32e9ff6464f0

                  SHA1

                  a614eb470defeab01317a73380f44db669100406

                  SHA256

                  c697434857a039bf27238c105be0487a0c6c611dd36cb1587c3c6b3bf582718a

                  SHA512

                  409f8f1e6d683a3cbe7954bce37013316dee086cdbd7ecda88acb5d94031cff6166a93b641875116327151823cce747bcf254c0185e0770e2b74b7c5e067bc4a

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\libwinpthread-1.dll

                  Filesize

                  512KB

                  MD5

                  19d7cc4377f3c09d97c6da06fbabc7dc

                  SHA1

                  3a3ba8f397fb95ed5df22896b2c53a326662fcc9

                  SHA256

                  228fcfe9ed0574b8da32dd26eaf2f5dbaef0e1bd2535cb9b1635212ccdcbf84d

                  SHA512

                  23711285352cdec6815b5dd6e295ec50568fab7614706bc8d5328a4a0b62991c54b16126ed9e522471d2367b6f32fa35feb41bfa77b3402680d9a69f53962a4a

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\tor-real.exe

                  Filesize

                  4.0MB

                  MD5

                  07244a2c002ffdf1986b454429eace0b

                  SHA1

                  d7cd121caac2f5989aa68a052f638f82d4566328

                  SHA256

                  e9522e6912a0124c0a8c9ff9bb3712b474971376a4eb4ca614bb1664a2b4abcf

                  SHA512

                  4a09db85202723a73703c5926921fef60c3dddae21528a01936987306c5e7937463f94a2f4a922811de1f76621def2a8a597a8b38a719dd24e6ff3d4e07492ca

                • C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\torrc.txt

                  Filesize

                  226B

                  MD5

                  433cfb3eee127bdf1182d75837b26484

                  SHA1

                  65bf41c89e51817d344bc070727fff1b0c10a134

                  SHA256

                  aa83b60b3f4f24a4d4fb94b45c24935d078bdc3fee5c544b9ba1c35889a554b9

                  SHA512

                  344a790e982c016ec302e73821cf5e592ebf139f1eccaab8fa0082e1db975f16604624f068c242afce91cfa5406db30c37a5125d6618b2e35bb74c6c1bb4bc5a

                • \Users\Admin\AppData\Local\zxqaiiy6en\tor\libcrypto-1_1.dll

                  Filesize

                  3.5MB

                  MD5

                  6d48d76a4d1c9b0ff49680349c4d28ae

                  SHA1

                  1bb3666c16e11eff8f9c3213b20629f02d6a66cb

                  SHA256

                  3f08728c7a67e4998fbdc7a7cb556d8158efdcdaf0acf75b7789dccace55662d

                  SHA512

                  09a4fd7b37cf52f6a0c3bb0a7517e2d2439f4af8e03130aed3296d7448585ea5e3c0892e1e1202f658ef2d083ce13c436779e202c39620a70a17b026705c65c9

                • \Users\Admin\AppData\Local\zxqaiiy6en\tor\libssp-0.dll

                  Filesize

                  246KB

                  MD5

                  b77328da7cead5f4623748a70727860d

                  SHA1

                  13b33722c55cca14025b90060e3227db57bf5327

                  SHA256

                  46541d9e28c18bc11267630920b97c42f104c258b55e2f62e4a02bcd5f03e0e7

                  SHA512

                  2f1bd13357078454203092ed5ddc23a8baa5e64202fba1e4f98eacf1c3c184616e527468a96ff36d98b9324426dddfa20b62b38cf95c6f5c0dc32513ebace9e2

                • \Users\Admin\AppData\Local\zxqaiiy6en\tor\zlib1.dll

                  Filesize

                  121KB

                  MD5

                  6f98da9e33cd6f3dd60950413d3638ac

                  SHA1

                  e630bdf8cebc165aa81464ff20c1d55272d05675

                  SHA256

                  219d9d5bf0de4c2251439c89dd5f2959ee582e7f9f7d5ff66a29c88753a3a773

                  SHA512

                  2983faaf7f47a8f79a38122aa617e65e7deddd19ba9a98b62acf17b48e5308099b852f21aaf8ca6fe11e2cc76c36eed7ffa3307877d4e67b1659fe6e4475205c

                • memory/1620-115-0x00000000740F0000-0x00000000741EB000-memory.dmp

                  Filesize

                  1004KB

                • memory/1620-119-0x0000000073BC0000-0x0000000073CC4000-memory.dmp

                  Filesize

                  1.0MB

                • memory/1620-102-0x0000000000F00000-0x0000000001314000-memory.dmp

                  Filesize

                  4.1MB

                • memory/1620-193-0x0000000000F00000-0x0000000001314000-memory.dmp

                  Filesize

                  4.1MB

                • memory/1620-114-0x00000000741F0000-0x0000000074234000-memory.dmp

                  Filesize

                  272KB

                • memory/1620-100-0x00000000740F0000-0x00000000741EB000-memory.dmp

                  Filesize

                  1004KB

                • memory/1620-113-0x0000000000F00000-0x0000000001314000-memory.dmp

                  Filesize

                  4.1MB

                • memory/1620-121-0x0000000073B30000-0x0000000073BB1000-memory.dmp

                  Filesize

                  516KB

                • memory/1620-120-0x0000000073CD0000-0x0000000073FC6000-memory.dmp

                  Filesize

                  3.0MB

                • memory/1620-116-0x0000000074000000-0x00000000740E6000-memory.dmp

                  Filesize

                  920KB

                • memory/1620-118-0x0000000073FD0000-0x0000000073FF6000-memory.dmp

                  Filesize

                  152KB

                • memory/1620-101-0x0000000073FD0000-0x0000000073FF6000-memory.dmp

                  Filesize

                  152KB

                • memory/1620-178-0x0000000000F00000-0x0000000001314000-memory.dmp

                  Filesize

                  4.1MB

                • memory/1620-124-0x0000000000F00000-0x0000000001314000-memory.dmp

                  Filesize

                  4.1MB

                • memory/1620-165-0x0000000000F00000-0x0000000001314000-memory.dmp

                  Filesize

                  4.1MB

                • memory/1620-144-0x0000000000F00000-0x0000000001314000-memory.dmp

                  Filesize

                  4.1MB

                • memory/1620-157-0x0000000000F00000-0x0000000001314000-memory.dmp

                  Filesize

                  4.1MB

                • memory/4656-1-0x0000015FECE90000-0x0000015FECEB4000-memory.dmp

                  Filesize

                  144KB

                • memory/4656-2-0x00007FFE5C980000-0x00007FFE5D36C000-memory.dmp

                  Filesize

                  9.9MB

                • memory/4656-6-0x00007FFE5C980000-0x00007FFE5D36C000-memory.dmp

                  Filesize

                  9.9MB

                • memory/4656-0-0x00007FFE5C983000-0x00007FFE5C984000-memory.dmp

                  Filesize

                  4KB