Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • submitted
    29-07-2024 17:25

General

  • Target

    Major_0x00012BD4C3BDF0(1).exe

  • Size

    1.3MB

  • MD5

    c7ea74a05e864d4d67a2fba6be3bb667

  • SHA1

    be91a12de06e01a7e10b1dd514dbedb699f180e4

  • SHA256

    a01ac4244102e3958296c70d71e3d951f11abcc355458d1918d081587b151d90

  • SHA512

    ad03970be59ae08deaf69ffe3078704f9471a76789c040d695a21ab4ffd95377137ab64f19e33f6d9a9fa1b4ec11bd1c66b4a5bbc55dc413cd79aa6376b6a713

  • SSDEEP

    24576:fWljizSawkL2zmeaAit8v1hUw+hqPNKLkFh:+l2akSz+AitK5EAF

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7304169973:AAHQ-YM-Iz4Z3iwfTDSixExgl7INL8UlSEA/sendMessage?chat_id=6845150313

Signatures

  • BabbleLoader

    BabbleLoader is a malware loader written in C++.

  • Babbleloader family
  • Detects BabbleLoader Payload 1 IoCs
  • Gurcu family
  • Gurcu, WhiteSnake

    Gurcu aka WhiteSnake is a malware stealer written in C#.

  • A potential corporate email address has been identified in the URL: ISL1n_Admin@ONNGJIJU_report.wsr
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 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 3 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 1 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: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\Major_0x00012BD4C3BDF0(1).exe
    "C:\Users\Admin\AppData\Local\Temp\Major_0x00012BD4C3BDF0(1).exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C chcp 65001 && timeout /t 3 > NUL && schtasks /create /tn "Major_0x00012BD4C3BDF0(1)" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\Major_0x00012BD4C3BDF0(1).exe" &&START "" "C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4352
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:4928
        • C:\Windows\system32\timeout.exe
          timeout /t 3
          3⤵
          • Delays execution with timeout.exe
          PID:2796
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "Major_0x00012BD4C3BDF0(1)" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe" /rl HIGHEST /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2400
        • C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe
          "C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe"
          3⤵
          • Checks computer location settings
          • 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:4112
          • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\tor-real.exe
            "C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\tor-real.exe" -f "C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\torrc.txt"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:4304
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
            4⤵
            • System Network Configuration Discovery: Wi-Fi Discovery
            • Suspicious use of WriteProcessMemory
            PID:1468
            • C:\Windows\system32\chcp.com
              chcp 65001
              5⤵
                PID:1456
              • C:\Windows\system32\netsh.exe
                netsh wlan show profiles
                5⤵
                • Event Triggered Execution: Netsh Helper DLL
                • System Network Configuration Discovery: Wi-Fi Discovery
                PID:2492
              • C:\Windows\system32\findstr.exe
                findstr /R /C:"[ ]:[ ]"
                5⤵
                  PID:3832
              • 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:3500
                • C:\Windows\system32\chcp.com
                  chcp 65001
                  5⤵
                    PID:3172
                  • C:\Windows\system32\netsh.exe
                    netsh wlan show networks mode=bssid
                    5⤵
                    • Event Triggered Execution: Netsh Helper DLL
                    PID:1228
                  • C:\Windows\system32\findstr.exe
                    findstr "SSID BSSID Signal"
                    5⤵
                      PID:5084
            • C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe
              C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe
              1⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2984
            • C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe
              C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe
              1⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:4312
            • C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe
              C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe
              1⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2752

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Major_0x00012BD4C3BDF0(1).exe.log

              Filesize

              847B

              MD5

              3308a84a40841fab7dfec198b3c31af7

              SHA1

              4e7ab6336c0538be5dd7da529c0265b3b6523083

              SHA256

              169bc31a8d1666535977ca170d246a463e6531bb21faab6c48cb4269d9d60b2e

              SHA512

              97521d5fb94efdc836ea2723098a1f26a7589a76af51358eee17292d29c9325baf53ad6b4496c5ca3e208d1c9b9ad6797a370e2ae378072fc68f5d6e8b73b198

            • C:\Users\Admin\AppData\Local\Starlabs\Major_0x00012BD4C3BDF0(1).exe

              Filesize

              1.3MB

              MD5

              c7ea74a05e864d4d67a2fba6be3bb667

              SHA1

              be91a12de06e01a7e10b1dd514dbedb699f180e4

              SHA256

              a01ac4244102e3958296c70d71e3d951f11abcc355458d1918d081587b151d90

              SHA512

              ad03970be59ae08deaf69ffe3078704f9471a76789c040d695a21ab4ffd95377137ab64f19e33f6d9a9fa1b4ec11bd1c66b4a5bbc55dc413cd79aa6376b6a713

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\p.dat

              Filesize

              4B

              MD5

              4172f3101212a2009c74b547b6ddf935

              SHA1

              45341f4efe3b0d6689eee8e8108f3cb9e1d88401

              SHA256

              33b66ae561a759b8589d97dcea4dd859c39ed50dc2b5419a7e8aad1ace8e103f

              SHA512

              90396f76435c8c605b9e3d3a167d8de754b42ff85b6d0c5707cff4802bf93f9f552418773ed699102d5d89f329d23ab7cc317706e92ce259acf70852ae533256

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\data\cached-microdesc-consensus.tmp

              Filesize

              2.6MB

              MD5

              aead3e3a8ddbe3076155f094f7cb9da3

              SHA1

              d170f866cc790f2054b9928f63bf362d15e87874

              SHA256

              0f0d0b7534b07a00f43a1a1946b26fb366f3d9d0662617138042a062da04df54

              SHA512

              d45687130375df556aaa1c5f6fe017e048bf18a938ca15074477da784ec299cedb5b800a5da04af9cc333987e7c3ebddb9b8bb350f6630e422ce426a7b02d93d

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\data\cached-microdescs.new

              Filesize

              10.0MB

              MD5

              2933d3f7d827d6c8ff78841c9d5ddcd3

              SHA1

              60caa5a1bdb36bd8450a42f2425408020849239d

              SHA256

              1aa5b886a651df06e6ab9f03ee5add2e1d56d481a7921b91d0e5341fae720878

              SHA512

              2d9084ae21272515bb7edac3753150c627d9edbfc7b33890767e52788e0b0054697354fc4dace2849a9f7c11b955a6c5293a8e829ca759ca8a30655031bc428a

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\host\hostname

              Filesize

              64B

              MD5

              74e7e1d37af4ad61b7c4e35b4d10edaf

              SHA1

              59781f185ed04de4b5e30379d81ac9b0a71eb1ee

              SHA256

              b9f07b1f30f46864c0e435edd55b6fa9b1dff94697df3064cea3700f46aff6e4

              SHA512

              d14c3b92747a54d0bb4b4cbdd984d124f57c0e36304995bbdbb959543d828d3f40ec5183d28faac5aba6f496cfae4cfd209cffb1bdf51a4897064d7eac61d171

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\libcrypto-1_1.dll

              Filesize

              3.5MB

              MD5

              6d48d76a4d1c9b0ff49680349c4d28ae

              SHA1

              1bb3666c16e11eff8f9c3213b20629f02d6a66cb

              SHA256

              3f08728c7a67e4998fbdc7a7cb556d8158efdcdaf0acf75b7789dccace55662d

              SHA512

              09a4fd7b37cf52f6a0c3bb0a7517e2d2439f4af8e03130aed3296d7448585ea5e3c0892e1e1202f658ef2d083ce13c436779e202c39620a70a17b026705c65c9

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\libevent-2-1-7.dll

              Filesize

              1.1MB

              MD5

              a3bf8e33948d94d490d4613441685eee

              SHA1

              75ed7f6e2855a497f45b15270c3ad4aed6ad02e2

              SHA256

              91c812a33871e40b264761f1418e37ebfeb750fe61ca00cbcbe9f3769a8bf585

              SHA512

              c20ef2efcacb5f8c7e2464de7fde68bf610ab2e0608ff4daed9bf676996375db99bee7e3f26c5bd6cca63f9b2d889ed5460ec25004130887cd1a90b892be2b28

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\libgcc_s_sjlj-1.dll

              Filesize

              1.0MB

              MD5

              bd40ff3d0ce8d338a1fe4501cd8e9a09

              SHA1

              3aae8c33bf0ec9adf5fbf8a361445969de409b49

              SHA256

              ebda776a2a353f8f0690b1c7706b0cdaff3d23e1618515d45e451fc19440501c

              SHA512

              404fb3c107006b832b8e900f6e27873324cd0a7946cdccf4ffeea365a725892d929e8b160379af9782bcd6cfeb4c3c805740e21280b42bb2ce8f39f26792e5a1

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\libssl-1_1.dll

              Filesize

              1.1MB

              MD5

              945d225539becc01fbca32e9ff6464f0

              SHA1

              a614eb470defeab01317a73380f44db669100406

              SHA256

              c697434857a039bf27238c105be0487a0c6c611dd36cb1587c3c6b3bf582718a

              SHA512

              409f8f1e6d683a3cbe7954bce37013316dee086cdbd7ecda88acb5d94031cff6166a93b641875116327151823cce747bcf254c0185e0770e2b74b7c5e067bc4a

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\libssp-0.dll

              Filesize

              246KB

              MD5

              b77328da7cead5f4623748a70727860d

              SHA1

              13b33722c55cca14025b90060e3227db57bf5327

              SHA256

              46541d9e28c18bc11267630920b97c42f104c258b55e2f62e4a02bcd5f03e0e7

              SHA512

              2f1bd13357078454203092ed5ddc23a8baa5e64202fba1e4f98eacf1c3c184616e527468a96ff36d98b9324426dddfa20b62b38cf95c6f5c0dc32513ebace9e2

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\libwinpthread-1.dll

              Filesize

              512KB

              MD5

              19d7cc4377f3c09d97c6da06fbabc7dc

              SHA1

              3a3ba8f397fb95ed5df22896b2c53a326662fcc9

              SHA256

              228fcfe9ed0574b8da32dd26eaf2f5dbaef0e1bd2535cb9b1635212ccdcbf84d

              SHA512

              23711285352cdec6815b5dd6e295ec50568fab7614706bc8d5328a4a0b62991c54b16126ed9e522471d2367b6f32fa35feb41bfa77b3402680d9a69f53962a4a

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\tor-real.exe

              Filesize

              4.0MB

              MD5

              07244a2c002ffdf1986b454429eace0b

              SHA1

              d7cd121caac2f5989aa68a052f638f82d4566328

              SHA256

              e9522e6912a0124c0a8c9ff9bb3712b474971376a4eb4ca614bb1664a2b4abcf

              SHA512

              4a09db85202723a73703c5926921fef60c3dddae21528a01936987306c5e7937463f94a2f4a922811de1f76621def2a8a597a8b38a719dd24e6ff3d4e07492ca

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\torrc.txt

              Filesize

              226B

              MD5

              b6ddd309e4c4da2c0ca420f5c224154f

              SHA1

              7ee0c0a2a1ef0df70d6f458e44d33e8396745021

              SHA256

              1e4da30df63ee9f41653bd31617e7844e811fb7f250d5e36d1e8b96d6822a360

              SHA512

              25a47bfb5fc3dc4b7e40201a05577cd217b56bcf91dc15139cfdea0b3f62d5c42ea75ff3e6db98a4d0eb87b8bc6bbd56a3871534d48b1bcb252ec2905476056e

            • C:\Users\Admin\AppData\Local\ly3zk22kzb\tor\zlib1.dll

              Filesize

              121KB

              MD5

              6f98da9e33cd6f3dd60950413d3638ac

              SHA1

              e630bdf8cebc165aa81464ff20c1d55272d05675

              SHA256

              219d9d5bf0de4c2251439c89dd5f2959ee582e7f9f7d5ff66a29c88753a3a773

              SHA512

              2983faaf7f47a8f79a38122aa617e65e7deddd19ba9a98b62acf17b48e5308099b852f21aaf8ca6fe11e2cc76c36eed7ffa3307877d4e67b1659fe6e4475205c

            • memory/3420-0-0x00007FFF80D43000-0x00007FFF80D45000-memory.dmp

              Filesize

              8KB

            • memory/3420-1-0x0000000002140000-0x0000000002164000-memory.dmp

              Filesize

              144KB

            • memory/3420-5-0x00007FFF80D40000-0x00007FFF81801000-memory.dmp

              Filesize

              10.8MB

            • memory/4304-103-0x0000000074F90000-0x0000000074FB6000-memory.dmp

              Filesize

              152KB

            • memory/4304-125-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB

            • memory/4304-123-0x0000000074EA0000-0x0000000074F86000-memory.dmp

              Filesize

              920KB

            • memory/4304-122-0x0000000074F90000-0x0000000074FB6000-memory.dmp

              Filesize

              152KB

            • memory/4304-121-0x0000000074FC0000-0x0000000075041000-memory.dmp

              Filesize

              516KB

            • memory/4304-117-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB

            • memory/4304-119-0x00000000751A0000-0x000000007529B000-memory.dmp

              Filesize

              1004KB

            • memory/4304-118-0x00000000752A0000-0x00000000752E4000-memory.dmp

              Filesize

              272KB

            • memory/4304-124-0x0000000074BA0000-0x0000000074E96000-memory.dmp

              Filesize

              3.0MB

            • memory/4304-120-0x0000000075050000-0x0000000075154000-memory.dmp

              Filesize

              1.0MB

            • memory/4304-104-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB

            • memory/4304-145-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB

            • memory/4304-102-0x00000000751A0000-0x000000007529B000-memory.dmp

              Filesize

              1004KB

            • memory/4304-163-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB

            • memory/4304-184-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB

            • memory/4304-192-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB

            • memory/4304-201-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB

            • memory/4304-212-0x00000000006A0000-0x0000000000AB4000-memory.dmp

              Filesize

              4.1MB