Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 18:17

General

  • Target

    USBDeviceDriver.exe

  • Size

    1.6MB

  • MD5

    8bb47c1c13710fa7bf7855a2334e0320

  • SHA1

    b74c43890ba61ca9235db411589675de145ec6b3

  • SHA256

    90b1c4c43d707e4c08131998ea4446ebfbe2332a345c6bd8a02dbf6a6d727fef

  • SHA512

    3757c461f06565c667244761037ed6360e16df542ee1d359a0ef11a5c7b7cdf69f204994f9b51b4dd473fb2b8ba532400963f878edd27f0d129ec84b9a0a206c

  • SSDEEP

    49152:1cfTq24GjdGSiqkqXfd+/9AqYanieKdQc:1cOEjdGSiqkqXf0FLYW

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1280954538882240714/-IAy8AvyNj5gjF0S97ZZ8O6jI_P1ift-VtFcpbDnQUeqUhVvVnGfe0pxykiP_UX3rGEq

Signatures

  • Stealerium

    An open source info stealer written in C# first seen in May 2022.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 6 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • 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.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 12 IoCs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 16 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 4 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\USBDeviceDriver.exe
    "C:\Users\Admin\AppData\Local\Temp\USBDeviceDriver.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4652
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2912
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1452
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:620
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3776
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show networks mode=bssid
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 2944
      2⤵
      • Program crash
      PID:2948
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1928 -ip 1928
    1⤵
      PID:928
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4088
      • C:\Users\Admin\AppData\Local\Temp\USBDeviceDriver.exe
        "C:\Users\Admin\AppData\Local\Temp\USBDeviceDriver.exe"
        1⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:4488
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
          2⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          • Suspicious use of WriteProcessMemory
          PID:4808
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            3⤵
            • System Location Discovery: System Language Discovery
            PID:5076
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show profile
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:1364
          • C:\Windows\SysWOW64\findstr.exe
            findstr All
            3⤵
            • System Location Discovery: System Language Discovery
            PID:548
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2428
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            3⤵
            • System Location Discovery: System Language Discovery
            PID:4228
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show networks mode=bssid
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2532
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 3220
          2⤵
          • Program crash
          PID:3888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4488 -ip 4488
        1⤵
          PID:2400

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US.zip

          Filesize

          82KB

          MD5

          50e4ce931d9c59da32ae98ad60d2da7b

          SHA1

          28d5ee32202450075594403206586c157666c85f

          SHA256

          80218e0d01ef83f629ba18106008a68c001f41f00831e7ea8a45ed7d80f2dbcf

          SHA512

          5061a0bf821fc2f0948b48142df1847fd0408d19ce16d031e962c6ca700fd701e0af17187580b8d442f74b56cf3555154c1a21719dafb6ce544a12ba228d576b

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\Browsers\Firefox\Bookmarks.txt

          Filesize

          105B

          MD5

          2e9d094dda5cdc3ce6519f75943a4ff4

          SHA1

          5d989b4ac8b699781681fe75ed9ef98191a5096c

          SHA256

          c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

          SHA512

          d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\Directories\Desktop.txt

          Filesize

          579B

          MD5

          e3d37301c7f872186d44cda76141ea72

          SHA1

          927304f9d2dfb2f6701979b8ebd2d72b6776e19e

          SHA256

          ea58442ef9743089c948693285811f4d448da5fd81b19ae8cdded74dd5d4a9cb

          SHA512

          c1f154eaf5c31b56445fde31624db035d8105c3666c6c5c147739a3d8788763d8ea2eb7077f0728ff0e193bb5ba92e82b66435b87767b8f6503a8eaa20c7fbe4

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\Directories\Documents.txt

          Filesize

          648B

          MD5

          93b23aac7e42a1a892ccc0f7427f51bb

          SHA1

          c3b09a603ff64a4073ac753ced06bc7af7f958c4

          SHA256

          0e04bd5c02e84c0704863910b99b4337bea76383c3a886b8ba0263c1f557d232

          SHA512

          fdf504b1915c5cfbe743cce42fab552bc285fe7f0ec87d9c7277cadf1ba3d1d4f17ace99b232681efb674b04a897914aea2fc8fd0d115a9d70462c007f23ad2b

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\Directories\Downloads.txt

          Filesize

          723B

          MD5

          617b09d70d64a4cb7b11caaaf120e8a5

          SHA1

          ff579bdcb91dd5dbce3e0413d40cd38d035ec63f

          SHA256

          c66a7d7275db45a91fbcac7062e8fe54d80c87d1592e72fa70aa65e25aad37c4

          SHA512

          b81e1387fe6758cb326f9a1e64e64201615a54ef34d4bd3accc657b805e6353e8221d5cc293e0dfce556354bfc315ddd2eceb84d262c59ee9b9cd84b92b7a7be

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\Directories\OneDrive.txt

          Filesize

          25B

          MD5

          966247eb3ee749e21597d73c4176bd52

          SHA1

          1e9e63c2872cef8f015d4b888eb9f81b00a35c79

          SHA256

          8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

          SHA512

          bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\Directories\Pictures.txt

          Filesize

          723B

          MD5

          5a40871178f183379d6305c8ac847a7f

          SHA1

          d48b4dd1ceff98be2eeabc926c2abc75a681ee68

          SHA256

          2eb61aeca22414b7cd965d5214afa7d28ec02593385836c78bbc5a806f09a7e1

          SHA512

          c63305157f14e10a69d245a41f8041bba97085969e5afb36eaf427ef9e103a20467b09e0fce0c9b5077ca6f375d2f152bfacb173e353de826784d7ebd930afce

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\Directories\Startup.txt

          Filesize

          24B

          MD5

          68c93da4981d591704cea7b71cebfb97

          SHA1

          fd0f8d97463cd33892cc828b4ad04e03fc014fa6

          SHA256

          889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

          SHA512

          63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\Directories\Videos.txt

          Filesize

          23B

          MD5

          1fddbf1169b6c75898b86e7e24bc7c1f

          SHA1

          d2091060cb5191ff70eb99c0088c182e80c20f8c

          SHA256

          a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

          SHA512

          20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\System\Apps.txt

          Filesize

          6KB

          MD5

          a2e0efc6b1f8a1223025667e0d2d4d0b

          SHA1

          849e0e2879d6fd8b275c374f1470fc782ee92810

          SHA256

          bcb69dcdf9950129ba52c0218e0af164477ebe944c54f8d9cd4bac83941ffbb9

          SHA512

          681a5fe76b8e530fb31bff3691eec151b54bea6241c26556faded5c01d9e2e437345897a06ee2416a0c19442d32bde9638e8d546e5270429b93f899cecc0ff0f

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\System\Desktop.jpg

          Filesize

          124KB

          MD5

          5be7dba6409c2920d470b55c7f2b1554

          SHA1

          5042c0369e49c9baf36936bb1b0a1031b1d9f500

          SHA256

          d100ed37dadb09a00a3835a639b43050e33369cf354302c290e71466e4415624

          SHA512

          a4de35811f816b586cee5087edb4daeea12677fabdaca6a83bdf269e63d13151a8340c411c38891da323d818bc96a51c7d285d01de3c4413360430f28ca5b7eb

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\System\Process.txt

          Filesize

          4KB

          MD5

          e9bb62062f754a6aa76177a0e5d4c2fa

          SHA1

          3830bc4d2fc6e6690039f661db419dd6cfbcc47b

          SHA256

          0f2542f87634f1ef862deb67b1de574f9c863154fb8913727655c04c5b5a85e5

          SHA512

          b36827cd524cab2d37f626136f8b5ccf80c52aa7138a2d9249fe21b8c748befb54a44d114faad17a11f23b991967923624445d70bf87b2c67da2fab83e2c5334

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\System\Process.txt

          Filesize

          4KB

          MD5

          7938a49da8b3831ef8bea4f27241b138

          SHA1

          b03d0a1faad0e0345abb337a23ad7faa5611b133

          SHA256

          20d61a358b9be05972d5cd1ca752e769445e6ad7b1f9be661235e06b1dfe4955

          SHA512

          29feaa62705001b1dabd9776931852e95c42c8f8b768dac2f56ca829ebf9aab585559e3af41fcf452465ce5737717250ddf3cdf43ff7561de0038a5d05c9ef28

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\System\ProductKey.txt

          Filesize

          29B

          MD5

          71eb5479298c7afc6d126fa04d2a9bde

          SHA1

          a9b3d5505cf9f84bb6c2be2acece53cb40075113

          SHA256

          f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

          SHA512

          7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

        • C:\Users\Admin\AppData\Local\3fad84e8492853c810664936c8e71df3\Admin@DSEYXUOD_en-US\System\Windows.txt

          Filesize

          170B

          MD5

          4b64b104e5465be3e3d61368a941aa10

          SHA1

          4fb0f5fb5116cfad9e5d4b73472f713cc83fda68

          SHA256

          b962d0ae404b27f79ceff3b183bc73fa4c7413bffb6352bd2f9584615909cb6c

          SHA512

          e0dcfcad8e9391a524ab84717c9d8269c219fe0ac175a05b6964f54ba822eaa9122b3de34f61320fe52aa9ba6d6f298b039a58f8ba5e4c8754ef430cc943e2e1

        • C:\Users\Admin\AppData\Local\Temp\tmp9DE.tmp.dat

          Filesize

          5.0MB

          MD5

          c822ad3a46e58afab84d23614a08e0bc

          SHA1

          196f257903ccefa439dc673690c6910356bd1d81

          SHA256

          a8dc0fe0bcf7f1553cf0f530f88b38f033b914170d71df05f84093498d82d438

          SHA512

          bc5da3bac510289c47d7c835ae6dd50fe96f64e1f522ac930be451cd9e47c5d395b5ff463f9b4aee33b98785f1bd4eec6a0d321962ecbc60e2eb5a0d66c735d2

        • C:\Users\Admin\AppData\Local\Temp\tmp9DF.tmp.dat

          Filesize

          114KB

          MD5

          db26309558628fa1ef6a1edd23ab2b09

          SHA1

          9bfb0530d0c2dcc6f9b3947bc3ca602943356368

          SHA256

          e6287cb739a35ef64a6d19ec146c90c848de8646032fd98d570042c0e2ecf070

          SHA512

          4171bc6af1ffc5d24d6ddade7b47e94b0547297e25d9a4d45ca831801208b7d83edda0b138436626749711a953a5818486c293e8749c5c2539ef070e848b237c

        • C:\Users\Admin\AppData\Local\Temp\tmpA03.tmp.dat

          Filesize

          160KB

          MD5

          f310cf1ff562ae14449e0167a3e1fe46

          SHA1

          85c58afa9049467031c6c2b17f5c12ca73bb2788

          SHA256

          e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

          SHA512

          1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

        • C:\Users\Admin\AppData\Local\Temp\tmpA06.tmp.dat

          Filesize

          116KB

          MD5

          f70aa3fa04f0536280f872ad17973c3d

          SHA1

          50a7b889329a92de1b272d0ecf5fce87395d3123

          SHA256

          8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

          SHA512

          30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

        • memory/1928-262-0x0000000006990000-0x0000000006A42000-memory.dmp

          Filesize

          712KB

        • memory/1928-263-0x0000000075140000-0x00000000758F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1928-0-0x000000007514E000-0x000000007514F000-memory.dmp

          Filesize

          4KB

        • memory/1928-195-0x0000000075140000-0x00000000758F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1928-8-0x0000000006500000-0x0000000006508000-memory.dmp

          Filesize

          32KB

        • memory/1928-61-0x0000000006700000-0x0000000006792000-memory.dmp

          Filesize

          584KB

        • memory/1928-9-0x0000000006520000-0x000000000653E000-memory.dmp

          Filesize

          120KB

        • memory/1928-7-0x00000000064F0000-0x00000000064FA000-memory.dmp

          Filesize

          40KB

        • memory/1928-65-0x00000000073A0000-0x0000000007944000-memory.dmp

          Filesize

          5.6MB

        • memory/1928-142-0x000000007514E000-0x000000007514F000-memory.dmp

          Filesize

          4KB

        • memory/1928-194-0x0000000006610000-0x000000000668A000-memory.dmp

          Filesize

          488KB

        • memory/1928-6-0x00000000055D0000-0x00000000055D8000-memory.dmp

          Filesize

          32KB

        • memory/1928-5-0x00000000055A0000-0x00000000055C6000-memory.dmp

          Filesize

          152KB

        • memory/1928-4-0x0000000005510000-0x00000000055A2000-memory.dmp

          Filesize

          584KB

        • memory/1928-3-0x0000000075140000-0x00000000758F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1928-2-0x0000000004F80000-0x0000000004FE6000-memory.dmp

          Filesize

          408KB

        • memory/1928-1-0x0000000000460000-0x00000000005F2000-memory.dmp

          Filesize

          1.6MB