Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Resubmissions

13/01/2025, 00:07

250113-aegj6awkdt 10

12/01/2025, 09:31

250112-lg7d5syqdk 10

12/01/2025, 06:04

250112-gs1zaazlax 10

Analysis

  • max time kernel
    891s
  • max time network
    893s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2025, 09:31

General

  • Target

    51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.exe

  • Size

    1.3MB

  • MD5

    4c71ccf76dccb2c58a85f67cf2fc6206

  • SHA1

    42436168ecfa82313617b91cebf489a11e28f29a

  • SHA256

    51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a

  • SHA512

    24be3ac224544c2a38466604fb285155b1fddc811ee304ac5bfa46abadb925eba44d156c84f94a95b7e95cf28491405f748278ba287b531e24241a07a1cdc752

  • SSDEEP

    24576:VMjhqBd3X3R+wTqM6FWEn72mHvKgcLJj3gSPWbLK3AtIT2Awyfc7MEYb6:MEBdH3dt6gmHdclj3IK3zT27yEbYe

Malware Config

Extracted

Family

asyncrat

Version

v1.2.2

Botnet

Default

C2

192.238.134.73:56003

192.238.134.73:56004

192.238.134.73:56005

Mutex

vjggiafzsllukefmlx

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to execute payload.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.exe
    C:\Users\Admin\AppData\Local\Temp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.exe cmd /c %SIGILL% "SIGTERM|SIGKILL|SIGABRT"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Local\Temp\is-7IS9Q.tmp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7IS9Q.tmp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.tmp" /SL5="$40016,948933,235520,C:\Users\Admin\AppData\Local\Temp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.exe" cmd /c %SIGILL% "SIGTERM|SIGKILL|SIGABRT"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Users\Admin\AppData\Local\Temp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.exe
        "C:\Users\Admin\AppData\Local\Temp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.exe" /VERYSILENT
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2356
        • C:\Users\Admin\AppData\Local\Temp\is-2FHNO.tmp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-2FHNO.tmp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.tmp" /SL5="$50016,948933,235520,C:\Users\Admin\AppData\Local\Temp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1692
          • C:\Windows\SysWOW64\regsvr32.exe
            "regsvr32.exe" /s /i:360 C:\Users\Admin\AppData\Roaming\Setup_Stork.dll
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2816
            • C:\Windows\system32\regsvr32.exe
              /s /i:360 C:\Users\Admin\AppData\Roaming\Setup_Stork.dll
              6⤵
              • Loads dropped DLL
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2888
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "powershell" -Command "if (Get-ScheduledTask | Where-Object { $_.Actions.Execute -eq 'regsvr32' -and $_.Actions.Arguments -eq '/S /i:360 C:\Users\Admin\AppData\Roaming\Setup_Stork.dll' }) { exit 0 } else { exit 1 }"
                7⤵
                • Command and Scripting Interpreter: PowerShell
                • Drops file in System32 directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2152
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "powershell" "Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute \"regsvr32\" -Argument \"/S /i:360 C:\Users\Admin\AppData\Roaming\Setup_Stork.dll\") -Trigger (New-ScheduledTaskTrigger -Once -At (Get-Date).AddMinutes(1) -RepetitionInterval (New-TimeSpan -Minutes 1)) -TaskName 'MicrosoftEdgeUpdateTaskMachineUA{C3C5CC22-17D3-4971-D2AD-6494EE73A876}' -Description 'MicrosoftEdgeUpdateTaskMachineUA' -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit 0) -RunLevel Highest"
                7⤵
                • Command and Scripting Interpreter: PowerShell
                • Drops file in System32 directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    7KB

    MD5

    c227294fdb020d200e996b36316a6f8e

    SHA1

    1374b79fff593130e0be1690c70c1960a5f499da

    SHA256

    cdbfed1e9dc85df3e1b608bd3ba16ff15f32bba127409f596b43e0701ceaa19f

    SHA512

    e8ae4b33db3bc2afcf4d93ba42f37f6c0bb52bbb9d4fd7758e6e3dc24d61b7310cb81858b0da705d8522cfaed53c02e4d23f1d20369795130977a41921c0d7f4

  • C:\Users\Admin\AppData\Roaming\Setup_Stork.dll

    Filesize

    2.6MB

    MD5

    be749ce6cea9df27363dd3a47682344b

    SHA1

    db9680d1fbaa852212a4693d37d64f412c30a1bc

    SHA256

    8ae29824b1554e170133fe7fae8b9208526f1ab1b70a6299f5befcc0482db095

    SHA512

    8f423ea8db31aaa723145ba94e00c2c2891ad361ee6e0dc5f8f2fd11f2e7cd72c387157e6d7c759eb9f8b9f227e317775ef71c283687fa8a58779ef70abbbf42

  • \Users\Admin\AppData\Local\Temp\is-7IS9Q.tmp\51c0cfc7539dc3bb883969d384a7389373a144f65ce6d1b5ec39bff2f616510a.tmp

    Filesize

    1.2MB

    MD5

    bef5bad133138ce27f0c6e73d5a2e5f9

    SHA1

    1cfc9e170e100fc23073cdfcf590594e18598314

    SHA256

    55adc6677700e166913c9f26a213d93244242b17331b4f9a606760117b698b65

    SHA512

    f8d3d971a58fdc2d7585c61c70c41d0625b2cbda9698f7a26ed009374d9f4986effc9d69dd1579f38f22bd7e7700d714702df663dfcc195c11b6fc2d0b315f2d

  • \Users\Admin\AppData\Local\Temp\is-Q7BTC.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/1692-43-0x0000000000400000-0x000000000053F000-memory.dmp

    Filesize

    1.2MB

  • memory/1796-2-0x0000000000401000-0x0000000000417000-memory.dmp

    Filesize

    88KB

  • memory/1796-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1796-0-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2132-8-0x0000000000400000-0x000000000053F000-memory.dmp

    Filesize

    1.2MB

  • memory/2132-20-0x0000000000400000-0x000000000053F000-memory.dmp

    Filesize

    1.2MB

  • memory/2152-53-0x000000001B580000-0x000000001B862000-memory.dmp

    Filesize

    2.9MB

  • memory/2152-54-0x00000000028E0000-0x00000000028E8000-memory.dmp

    Filesize

    32KB

  • memory/2356-45-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2356-18-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2356-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2704-61-0x000000001B4D0000-0x000000001B7B2000-memory.dmp

    Filesize

    2.9MB

  • memory/2704-62-0x0000000002810000-0x0000000002818000-memory.dmp

    Filesize

    32KB

  • memory/2888-66-0x000007FEF6090000-0x000007FEF631A000-memory.dmp

    Filesize

    2.5MB

  • memory/2888-67-0x0000000000220000-0x0000000000232000-memory.dmp

    Filesize

    72KB