Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2024, 09:36

General

  • Target

    f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe

  • Size

    153KB

  • MD5

    e13fb88ca7d0aef839c0ca07eb36d28b

  • SHA1

    c020b62797cd6875ba054c40a9b2e416c56c8139

  • SHA256

    f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e

  • SHA512

    1ac33d19dab7103f32bbf14c615a3d61288a42fcd410fc9de5208dc8dd64f90fe212195905ceb027bd7642157926e3bc2ecac2b45e7432c580793f6b60450051

  • SSDEEP

    3072:/P7oGe+wBMxz2h4J9bZJTxlo4D3QO7YSymHCP9ncW+8M7WATFzrNgKolW/C9JTTu:/ToGeXBkyyJ9bZ547O

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 9 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 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\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe
    "C:\Users\Admin\AppData\Local\Temp\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C chcp 65001 && timeout /t 3 > NUL && schtasks /create /tn "f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe" &&START "" "C:\Users\Admin\AppData\Local\Starlabs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2304
        • C:\Windows\system32\timeout.exe
          timeout /t 3
          3⤵
          • Delays execution with timeout.exe
          PID:2092
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Starlabs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe" /rl HIGHEST /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3844
        • C:\Users\Admin\AppData\Local\Starlabs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe
          "C:\Users\Admin\AppData\Local\Starlabs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.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:3128
          • 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:3968
            • C:\Windows\system32\chcp.com
              chcp 65001
              5⤵
                PID:3324
              • C:\Windows\system32\netsh.exe
                netsh wlan show profiles
                5⤵
                • Event Triggered Execution: Netsh Helper DLL
                • System Network Configuration Discovery: Wi-Fi Discovery
                PID:5064
              • C:\Windows\system32\findstr.exe
                findstr /R /C:"[ ]:[ ]"
                5⤵
                  PID:4640
              • 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:4516
                • C:\Windows\system32\chcp.com
                  chcp 65001
                  5⤵
                    PID:3156
                  • C:\Windows\system32\netsh.exe
                    netsh wlan show networks mode=bssid
                    5⤵
                    • Event Triggered Execution: Netsh Helper DLL
                    PID:3192
                  • C:\Windows\system32\findstr.exe
                    findstr "SSID BSSID Signal"
                    5⤵
                      PID:3948
            • C:\Users\Admin\AppData\Local\Starlabs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe
              C:\Users\Admin\AppData\Local\Starlabs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe
              1⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4840
              • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\tor-real.exe
                "C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\tor-real.exe" -f "C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\torrc.txt"
                2⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:4336

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe.log

                    Filesize

                    1KB

                    MD5

                    fc1be6f3f52d5c841af91f8fc3f790cb

                    SHA1

                    ac79b4229e0a0ce378ae22fc6104748c5f234511

                    SHA256

                    6da862f7c7feffca99cd58712ece93928c6ca6aed617f5d8c10a4718eaa2a910

                    SHA512

                    2f46165017309ee1a0c1b23e30a71e52e86ad8933e2649bf58c3f4628c5aa75659f5b8f6be32c2882f220b2f3ff2fd50d8766bf0a3708c94c2c634c051a05ea6

                  • C:\Users\Admin\AppData\Local\Starlabs\f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e.exe

                    Filesize

                    153KB

                    MD5

                    e13fb88ca7d0aef839c0ca07eb36d28b

                    SHA1

                    c020b62797cd6875ba054c40a9b2e416c56c8139

                    SHA256

                    f8dc556dc94d54b774d9420814893cf45c6eef5b1f7cf6d894987a8d3ffcfc2e

                    SHA512

                    1ac33d19dab7103f32bbf14c615a3d61288a42fcd410fc9de5208dc8dd64f90fe212195905ceb027bd7642157926e3bc2ecac2b45e7432c580793f6b60450051

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\p.dat

                    Filesize

                    4B

                    MD5

                    62021a18331216014fee6916d6ee9584

                    SHA1

                    4e7fd56dd4a60041092a5c1b1966eec2fc948abd

                    SHA256

                    5d69d55ace245c9ac57a0dcf38e08c6c60e5068411d65c176d14501644bdc118

                    SHA512

                    ffe9b79459b0db485518e434e3cee8f8742c8054ff550b6aaaec31cb6a11008fca3ad24ed3c03bebb1c61fc640b557f2c0822e828dcc5991587d5e50a2feeb10

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\data\cached-microdesc-consensus.tmp

                    Filesize

                    2.8MB

                    MD5

                    f0fc7a866199731412f77b1d5ccaa647

                    SHA1

                    de9056cb0dfbc37e62930c898b9713fa2dc09486

                    SHA256

                    51a9ac4e8928ea4f87829bc3702f9f83fcd1bcb9c76458ea86c62355c411ef08

                    SHA512

                    1e4c7a15ab9c238ed1bb6a9e33e20ce452507034a46580ee4604a283a029c3f322d20dba84653037bb1a7a712124b31bbf89402ac36b4296586f529a71e1b553

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\data\cached-microdescs.new

                    Filesize

                    7.3MB

                    MD5

                    8332c1455fea9c376c97ebfa1af06610

                    SHA1

                    5814f694164c7b42e2d7a936531aae08d29480be

                    SHA256

                    e0fbefa51fffad3a5c47221067d02a91667bb734cc225c924400dc5d2b32fd39

                    SHA512

                    806f8153033d17229e35bef33d45ac73532d9bfae18b69dddb64dc42b79113eb0068df5ddd2898ec2e18ace50449156d4f477961950bb8e00029f364051d548a

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\host\hostname

                    Filesize

                    64B

                    MD5

                    dc1efbdcbef689f52ddd694b80ed26bf

                    SHA1

                    34c8e9e98e48e41e38720d09b0c5befbca2dca4e

                    SHA256

                    61c14bdc9bb553ae7823da6f8de63e87f728a39c9fb9f480dcbc9c4428ad5cea

                    SHA512

                    e46cb4adcdef39daa18e0bdff25065e11bb32f4bba66941a620430f04735670d23f2839fefa3d946399f4288e9d4d111ef79b05ffdabba0dd9f7c059c852a126

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\libcrypto-1_1.dll

                    Filesize

                    3.5MB

                    MD5

                    6d48d76a4d1c9b0ff49680349c4d28ae

                    SHA1

                    1bb3666c16e11eff8f9c3213b20629f02d6a66cb

                    SHA256

                    3f08728c7a67e4998fbdc7a7cb556d8158efdcdaf0acf75b7789dccace55662d

                    SHA512

                    09a4fd7b37cf52f6a0c3bb0a7517e2d2439f4af8e03130aed3296d7448585ea5e3c0892e1e1202f658ef2d083ce13c436779e202c39620a70a17b026705c65c9

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\libevent-2-1-7.dll

                    Filesize

                    1.1MB

                    MD5

                    a3bf8e33948d94d490d4613441685eee

                    SHA1

                    75ed7f6e2855a497f45b15270c3ad4aed6ad02e2

                    SHA256

                    91c812a33871e40b264761f1418e37ebfeb750fe61ca00cbcbe9f3769a8bf585

                    SHA512

                    c20ef2efcacb5f8c7e2464de7fde68bf610ab2e0608ff4daed9bf676996375db99bee7e3f26c5bd6cca63f9b2d889ed5460ec25004130887cd1a90b892be2b28

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\libgcc_s_sjlj-1.dll

                    Filesize

                    1.0MB

                    MD5

                    bd40ff3d0ce8d338a1fe4501cd8e9a09

                    SHA1

                    3aae8c33bf0ec9adf5fbf8a361445969de409b49

                    SHA256

                    ebda776a2a353f8f0690b1c7706b0cdaff3d23e1618515d45e451fc19440501c

                    SHA512

                    404fb3c107006b832b8e900f6e27873324cd0a7946cdccf4ffeea365a725892d929e8b160379af9782bcd6cfeb4c3c805740e21280b42bb2ce8f39f26792e5a1

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\libssl-1_1.dll

                    Filesize

                    1.1MB

                    MD5

                    945d225539becc01fbca32e9ff6464f0

                    SHA1

                    a614eb470defeab01317a73380f44db669100406

                    SHA256

                    c697434857a039bf27238c105be0487a0c6c611dd36cb1587c3c6b3bf582718a

                    SHA512

                    409f8f1e6d683a3cbe7954bce37013316dee086cdbd7ecda88acb5d94031cff6166a93b641875116327151823cce747bcf254c0185e0770e2b74b7c5e067bc4a

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\libssp-0.dll

                    Filesize

                    246KB

                    MD5

                    b77328da7cead5f4623748a70727860d

                    SHA1

                    13b33722c55cca14025b90060e3227db57bf5327

                    SHA256

                    46541d9e28c18bc11267630920b97c42f104c258b55e2f62e4a02bcd5f03e0e7

                    SHA512

                    2f1bd13357078454203092ed5ddc23a8baa5e64202fba1e4f98eacf1c3c184616e527468a96ff36d98b9324426dddfa20b62b38cf95c6f5c0dc32513ebace9e2

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\libwinpthread-1.dll

                    Filesize

                    512KB

                    MD5

                    19d7cc4377f3c09d97c6da06fbabc7dc

                    SHA1

                    3a3ba8f397fb95ed5df22896b2c53a326662fcc9

                    SHA256

                    228fcfe9ed0574b8da32dd26eaf2f5dbaef0e1bd2535cb9b1635212ccdcbf84d

                    SHA512

                    23711285352cdec6815b5dd6e295ec50568fab7614706bc8d5328a4a0b62991c54b16126ed9e522471d2367b6f32fa35feb41bfa77b3402680d9a69f53962a4a

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\tor-real.exe

                    Filesize

                    4.0MB

                    MD5

                    07244a2c002ffdf1986b454429eace0b

                    SHA1

                    d7cd121caac2f5989aa68a052f638f82d4566328

                    SHA256

                    e9522e6912a0124c0a8c9ff9bb3712b474971376a4eb4ca614bb1664a2b4abcf

                    SHA512

                    4a09db85202723a73703c5926921fef60c3dddae21528a01936987306c5e7937463f94a2f4a922811de1f76621def2a8a597a8b38a719dd24e6ff3d4e07492ca

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\torrc.txt

                    Filesize

                    226B

                    MD5

                    bf0f3f1bd39598fc6227753a363fb01d

                    SHA1

                    bb81e002a6c6d94f031d216a24cd95c29d6f1328

                    SHA256

                    653addaf134fc52b619dbc8af311ccb1e549f977007b3b2e5cb8284ff8e46a1e

                    SHA512

                    2a88e2479fc7381f9dfbcbc161208959434f62c1440d6de9e9bd0772580c23c3cea668103e018efc9e2c66496bda7b5f4865ebd8703dadd8257744b80d94db0f

                  • C:\Users\Admin\AppData\Local\zfzs6gcqx8\tor\zlib1.dll

                    Filesize

                    121KB

                    MD5

                    6f98da9e33cd6f3dd60950413d3638ac

                    SHA1

                    e630bdf8cebc165aa81464ff20c1d55272d05675

                    SHA256

                    219d9d5bf0de4c2251439c89dd5f2959ee582e7f9f7d5ff66a29c88753a3a773

                    SHA512

                    2983faaf7f47a8f79a38122aa617e65e7deddd19ba9a98b62acf17b48e5308099b852f21aaf8ca6fe11e2cc76c36eed7ffa3307877d4e67b1659fe6e4475205c

                  • memory/1220-2-0x00007FFA5E940000-0x00007FFA5F401000-memory.dmp

                    Filesize

                    10.8MB

                  • memory/1220-6-0x00007FFA5E940000-0x00007FFA5F401000-memory.dmp

                    Filesize

                    10.8MB

                  • memory/1220-1-0x0000029CA8810000-0x0000029CA883C000-memory.dmp

                    Filesize

                    176KB

                  • memory/1220-0-0x00007FFA5E943000-0x00007FFA5E945000-memory.dmp

                    Filesize

                    8KB

                  • memory/4336-119-0x0000000075510000-0x0000000075554000-memory.dmp

                    Filesize

                    272KB

                  • memory/4336-126-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB

                  • memory/4336-121-0x0000000075300000-0x0000000075404000-memory.dmp

                    Filesize

                    1.0MB

                  • memory/4336-124-0x0000000075110000-0x00000000751F6000-memory.dmp

                    Filesize

                    920KB

                  • memory/4336-125-0x0000000074E10000-0x0000000075106000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/4336-118-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB

                  • memory/4336-105-0x0000000075410000-0x000000007550B000-memory.dmp

                    Filesize

                    1004KB

                  • memory/4336-120-0x0000000075410000-0x000000007550B000-memory.dmp

                    Filesize

                    1004KB

                  • memory/4336-122-0x0000000075230000-0x00000000752B1000-memory.dmp

                    Filesize

                    516KB

                  • memory/4336-123-0x0000000075200000-0x0000000075226000-memory.dmp

                    Filesize

                    152KB

                  • memory/4336-106-0x0000000075200000-0x0000000075226000-memory.dmp

                    Filesize

                    152KB

                  • memory/4336-145-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB

                  • memory/4336-107-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB

                  • memory/4336-173-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB

                  • memory/4336-181-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB

                  • memory/4336-189-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB

                  • memory/4336-200-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB

                  • memory/4336-208-0x0000000000990000-0x0000000000DA4000-memory.dmp

                    Filesize

                    4.1MB