Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2025, 08:42

General

  • Target

    Stealer.exe

  • Size

    10.2MB

  • MD5

    41d910d583bb0000139e4ba501b85ed3

  • SHA1

    3f6385ebe1cfb5a9498b5a24eb18e356b4e89731

  • SHA256

    2bd89e81853bbc112cfeb62b676beb0cfc741262bf9e226e15768062e6a14d6a

  • SHA512

    1580ba5c349e73e38fe899e7498a644bba4c62e95e6c740d330308692916d2f9375af43d560d9041d1b38a5b22e105f687a9f811b7310e396d3590abd1b00fad

  • SSDEEP

    196608:HB7XMxQfsWshAvneXaRxoWpVvjQeuRzTB1WcWrRfVuKcFOrRV5/oRKG9zh:h78xQkWshmNoWTvHQTBatoOrJA0GZh

Malware Config

Extracted

Family

asyncrat

Botnet

FUCKED UP BY CODEX17

C2

105.101.179.171:38672

Attributes
  • delay

    1

  • install

    true

  • install_file

    Anti Spyware core service.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

C2

hall-shine.gl.at.ply.gg:37734

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7581317328:AAHSOYBRXtxAC4eNoBHxtvJwUlAqgnnRcoc/sendMessage?chat_id=6229207397

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Async RAT payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 10 IoCs
  • Adds Run key to start application 2 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.

  • Drops file in System32 directory 4 IoCs
  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 48 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\Stealer.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\CODEX17-NUKER.exe
      "C:\Users\Admin\AppData\Local\Temp\CODEX17-NUKER.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Users\Admin\AppData\Local\Temp\CODEX17-NUKER.exe
        "C:\Users\Admin\AppData\Local\Temp\CODEX17-NUKER.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2868
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\Anti Spyware core service.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3012
    • C:\Windows\System32\Anti Spyware core service.exe
      "C:\Windows\System32\Anti Spyware core service.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Anti Spyware core service" /tr '"C:\Users\Admin\AppData\Roaming\Anti Spyware core service.exe"' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1864
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "Anti Spyware core service" /tr '"C:\Users\Admin\AppData\Roaming\Anti Spyware core service.exe"'
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1680
      • C:\Windows\System32\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp476C.tmp.bat""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Windows\system32\timeout.exe
          timeout 3
          4⤵
          • Delays execution with timeout.exe
          PID:2208
        • C:\Users\Admin\AppData\Roaming\Anti Spyware core service.exe
          "C:\Users\Admin\AppData\Roaming\Anti Spyware core service.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2192
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\Microsoft update.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3048
    • C:\Windows\System32\Microsoft update.exe
      "C:\Windows\System32\Microsoft update.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\Microsoft update.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1716
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft update.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:852
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft update'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2504
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft update'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1724
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Microsoft update" /tr "C:\Users\Admin\AppData\Roaming\Microsoft update"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2864
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A1E49703-252B-4EBF-BCA7-D340007755AE} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
    1⤵
      PID:2720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CODEX17-NUKER.exe

      Filesize

      10.3MB

      MD5

      5dac10034e3063e8bab9e3b24b109fcf

      SHA1

      9f8a6bdcc784078c3fc78dc8adda294a03f17aaa

      SHA256

      da6066f78de8a5eb976f62abdf2f0080514a187868ddda11354ea98e058fb6de

      SHA512

      79d75de884c5e7bdeaab8ca830551a4eaabc8f7587c60caf4c2ff9f1a49dd74de0b4546f212aaf9eb92c890981151c2d5c0bba5e278a3899d19066d28dfa2ba7

    • C:\Users\Admin\AppData\Local\Temp\_MEI28482\api-ms-win-core-file-l1-2-0.dll

      Filesize

      21KB

      MD5

      1c58526d681efe507deb8f1935c75487

      SHA1

      0e6d328faf3563f2aae029bc5f2272fb7a742672

      SHA256

      ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

      SHA512

      8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

    • C:\Users\Admin\AppData\Local\Temp\_MEI28482\api-ms-win-core-file-l2-1-0.dll

      Filesize

      18KB

      MD5

      bfffa7117fd9b1622c66d949bac3f1d7

      SHA1

      402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

      SHA256

      1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

      SHA512

      b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

    • C:\Users\Admin\AppData\Local\Temp\_MEI28482\api-ms-win-core-localization-l1-2-0.dll

      Filesize

      21KB

      MD5

      724223109e49cb01d61d63a8be926b8f

      SHA1

      072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

      SHA256

      4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

      SHA512

      19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

    • C:\Users\Admin\AppData\Local\Temp\_MEI28482\python312.dll

      Filesize

      6.6MB

      MD5

      166cc2f997cba5fc011820e6b46e8ea7

      SHA1

      d6179213afea084f02566ea190202c752286ca1f

      SHA256

      c045b57348c21f5f810bae60654ae39490846b487378e917595f1f95438f9546

      SHA512

      49d9d4df3d7ef5737e947a56e48505a2212e05fdbcd7b83d689639728639b7fd3be39506d7cfcb7563576ebee879fd305370fdb203909ed9b522b894dd87aacb

    • C:\Users\Admin\AppData\Local\Temp\_MEI28482\ucrtbase.dll

      Filesize

      992KB

      MD5

      0e0bac3d1dcc1833eae4e3e4cf83c4ef

      SHA1

      4189f4459c54e69c6d3155a82524bda7549a75a6

      SHA256

      8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

      SHA512

      a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

    • C:\Users\Admin\AppData\Local\Temp\tmp476C.tmp.bat

      Filesize

      169B

      MD5

      5b334e68f981de82165d14dcb5043a60

      SHA1

      9a8e77701e9b73b06ffea3e494dd9e918a7a9570

      SHA256

      c65c8ac7ed93b193dcf13cf51dd3cb65a7479ba9140b4c30d1a26ba1b4c9a09a

      SHA512

      bf210bf29c8bdb3cdc308d03283a4c358c382452d61dab80ed16ca7a0ea817d3c435393bdc03ed23c54e48d9a93420d4f210cceaa3ce8a84d43de314021fc45d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      3210ad86954f13f46fd87946609e7522

      SHA1

      7c224911e30b95e4798e3aae158a460098890a2c

      SHA256

      00b80d4e368c0fd951ee781f5d40a0db32ae30909d60fa3e698c67952ef8471e

      SHA512

      024647e3844093a94474c566827cc9f1fdddc6ba41f1325096e7cf2bde7d14c5f087ffd2aa751614a990533aaf4dce7dfa08e052f5492533afdce063c39cd0d9

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\T5HB8DW5NH3J1E6OXWV1.temp

      Filesize

      7KB

      MD5

      af1c4b96e3d8c39fcd26500f1c97e41a

      SHA1

      ae62d7b150271c7e3f8055733f3b5f5cf932d287

      SHA256

      0e31ecb2f955009f871d8574c0e26913d7026fa2682e052aaa4ea69b3c9c072b

      SHA512

      7a5a2478be944d1d6c44f5512383611310d601e7ae2edb3a7f0935ffb832d2f5da59dbdf0e89f971b2ad541e5d74fb945b0209f2362e207d03156e0146825f5d

    • C:\Windows\System32\Anti Spyware core service.exe

      Filesize

      63KB

      MD5

      f5e9921f069554980e87a5654378cbd0

      SHA1

      021624ca621c42e17e8f66eba350a3f2ed7a9825

      SHA256

      04e6bf407e90b0b89caf860456cbfe10aedbc608e7e2f56648e96af98c034750

      SHA512

      2454aa98187bdb5c0078aa3d0e505e2f1cfbc88d88c1335585a58d6f3b0a8a909edb3a2b394201e39fce1ce0899fd1c95c91a80926bd799e90dae3517f7f1d14

    • C:\Windows\System32\Microsoft update.exe

      Filesize

      76KB

      MD5

      6d92420f3a9227f3fc2d8040c15712c2

      SHA1

      650fa88e357d0f4602134f1c9b884eaf60f82b98

      SHA256

      08e4a086bf5a4f773638a2bbc5da8963c5b6bf650a94a1ebd7a36513508b41bb

      SHA512

      0bff5ac7920848a3eb5b0cf6d66a0ba1393aa48be96b1d76dda99cd45724880835ae6dc4e44fc257a0101fc0ded308925aaf9c697d34d74e10bf98f334714341

    • \Users\Admin\AppData\Local\Temp\_MEI28482\api-ms-win-core-processthreads-l1-1-1.dll

      Filesize

      21KB

      MD5

      517eb9e2cb671ae49f99173d7f7ce43f

      SHA1

      4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

      SHA256

      57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

      SHA512

      492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

    • \Users\Admin\AppData\Local\Temp\_MEI28482\api-ms-win-core-timezone-l1-1-0.dll

      Filesize

      21KB

      MD5

      d12403ee11359259ba2b0706e5e5111c

      SHA1

      03cc7827a30fd1dee38665c0cc993b4b533ac138

      SHA256

      f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

      SHA512

      9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

    • memory/1180-196-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

      Filesize

      9.9MB

    • memory/1180-0-0x000007FEF5963000-0x000007FEF5964000-memory.dmp

      Filesize

      4KB

    • memory/1180-1-0x00000000003F0000-0x0000000000E2C000-memory.dmp

      Filesize

      10.2MB

    • memory/1180-2-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

      Filesize

      9.9MB

    • memory/1716-216-0x0000000001F00000-0x0000000001F08000-memory.dmp

      Filesize

      32KB

    • memory/2192-209-0x00000000003C0000-0x00000000003D6000-memory.dmp

      Filesize

      88KB

    • memory/2340-195-0x0000000000E30000-0x0000000000E4A000-memory.dmp

      Filesize

      104KB

    • memory/3012-93-0x00000000026A0000-0x00000000026A8000-memory.dmp

      Filesize

      32KB

    • memory/3012-91-0x000000001B660000-0x000000001B942000-memory.dmp

      Filesize

      2.9MB

    • memory/3024-113-0x00000000002F0000-0x0000000000306000-memory.dmp

      Filesize

      88KB

    • memory/3048-188-0x0000000001E00000-0x0000000001E08000-memory.dmp

      Filesize

      32KB

    • memory/3048-187-0x000000001B7A0000-0x000000001BA82000-memory.dmp

      Filesize

      2.9MB