Analysis

  • max time kernel
    135s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2023, 08:22

General

  • Target

    t.png.ps1

  • Size

    226KB

  • MD5

    2e5964cc837e99181da8fbb1a72459f4

  • SHA1

    554eccb95fd042e7b59ae59009e66c02d40bc606

  • SHA256

    bf2d33230f6da074a70938e96042a56f340d26b34511ddd254e10a0293f746b6

  • SHA512

    5f5a3b257260f752ce6b4be76df05784778bc1173f58bf540e05533ef2258fb57163089636fb8f9e46b0ab5e1677b049b8b75fa7622165d3ed2154e3230bee5c

  • SSDEEP

    1536:eeMD10HxuHY05UIy4rpmLoKZqcxU7SHzqQHw7rRim3ve0pAGFBQDVWQIypscdLNk:1k0t0iInKWQIyj37vB1rsz131513ApG

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

C2

alertgeeks.ddnsfree.com:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\t.png.ps1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Windows\system32\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /create /sc minute /mo 1 /tn log /tr C:\ProgramData\log\log.vbs
      2⤵
      • Creates scheduled task(s)
      PID:4656
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\ProgramData\log\log.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\ProgramData\log\1.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4048
      • C:\Windows\system32\cmd.exe
        CMD /C POWERSHELL -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\log\log.ps1"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4180
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          POWERSHELL -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\log\log.ps1"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3984
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:5056
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\ProgramData\log\log.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\ProgramData\log\1.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Windows\system32\cmd.exe
        CMD /C POWERSHELL -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\log\log.ps1"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4040
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          POWERSHELL -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\ProgramData\log\log.ps1"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4168
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            5⤵
              PID:640

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\ProgramData\log\1.bat

            Filesize

            98B

            MD5

            1c0e3a11c13201e27ad546a96ba9b235

            SHA1

            fc8c268814b29dd7355380303ccf915c6a0a46de

            SHA256

            73de662f4a968fe1d94e3e29cfdd0a8f7e79f914cae64eca32ba55595c6b82e3

            SHA512

            cb30385e2813e75a02e99afbd1a7f1f288200140d1dc0e716facb708e21a4dd13581fa580a5b0e81b1c3080d107c10f3e44ab5891123236c7f9f3ba2aa31532a

          • C:\ProgramData\log\log.ps1

            Filesize

            225KB

            MD5

            45115fc43fe6bfb9015eecb6a682fca1

            SHA1

            35d5822da06aa21432025d74fb2b2baaa8dbffe1

            SHA256

            f501fd1cf1abab6ab840e26c5032b344ebec05c1446b160088469cbdc095303b

            SHA512

            1f4223e9480007b73c97215af1bd60a57d361a72be6f32c787c1760024c94aa4824d313391351e7bf8dcf9cbe8a0e4e9aa14a71864a08153c5584e680ca8dedc

          • C:\ProgramData\log\log.vbs

            Filesize

            120B

            MD5

            6be0eb96c776c22e099d7643281026f5

            SHA1

            0f4934d51d6b7dd2a82cfe2d574c1994fe0aa67b

            SHA256

            3e8f8fc88258f73995eaa6ce64e5093709b1386171512161e5f0ab81c9424503

            SHA512

            d0c4113016953135bd1cbb6d7504918b10e503467699bd342acd4981bccebc77a1cb054c56b82ef06847cff43da4d6266f4a281ec734e75244aeac8f510e999b

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

            Filesize

            3KB

            MD5

            223bd4ae02766ddc32e6145fd1a29301

            SHA1

            900cfd6526d7e33fb4039a1cc2790ea049bc2c5b

            SHA256

            1022ec2fed08ff473817fc53893e192a8e33e6a16f3d2c8cb6fd37f49c938e1e

            SHA512

            648cd3f8a89a18128d2b1bf960835e087a74cdbc783dbfcc712b3cb9e3a2e4f715e534ba2ef81d89af8f60d4882f6859373248c875ceb26ad0922e891f2e74cc

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            1KB

            MD5

            d096831023867930e62e6d8b3d4d8ca6

            SHA1

            404a1e73dc1590f1c8b9327c396591567dac7365

            SHA256

            167f75b42ae614a8d6b0497779ff12f09605328533487f235b029e0db03ad23b

            SHA512

            31333100ddd8e04bf730118ea800843720c0f3fb69e27b89dda7fa4d717d25e838ad55a0919d47a44dd8a78d724ef8c105cfa230987cc46ba94a2b790ff91b75

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            1016B

            MD5

            4feb08d678114967a3064e2bf6515706

            SHA1

            f617b3f4f9d3e4d80d0bad2231c1fec79b6ec8d3

            SHA256

            15af4b9b55a562a5791b65421f0b2562d8b4a72d87d43c630dd667cb9dcf0ef5

            SHA512

            c1f7b9bd49aabd5e33564f1b3de01b9db6627f923fe95322775328012fbfbe29c9da907cdfe4a8641575002ea7699dcc92947362906e30269a46db752d463738

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v3wnzpxy.5ai.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/640-197-0x0000000002590000-0x00000000025A0000-memory.dmp

            Filesize

            64KB

          • memory/3196-145-0x000001CF5E3C0000-0x000001CF5E3D0000-memory.dmp

            Filesize

            64KB

          • memory/3196-152-0x000001CF5E3C0000-0x000001CF5E3D0000-memory.dmp

            Filesize

            64KB

          • memory/3196-151-0x000001CF5E3C0000-0x000001CF5E3D0000-memory.dmp

            Filesize

            64KB

          • memory/3196-150-0x000001CF5E3C0000-0x000001CF5E3D0000-memory.dmp

            Filesize

            64KB

          • memory/3196-144-0x000001CF5E3C0000-0x000001CF5E3D0000-memory.dmp

            Filesize

            64KB

          • memory/3196-143-0x000001CF5E3C0000-0x000001CF5E3D0000-memory.dmp

            Filesize

            64KB

          • memory/3196-138-0x000001CF5F0F0000-0x000001CF5F112000-memory.dmp

            Filesize

            136KB

          • memory/3984-171-0x000001FCDE210000-0x000001FCDE220000-memory.dmp

            Filesize

            64KB

          • memory/3984-172-0x000001FCDE210000-0x000001FCDE220000-memory.dmp

            Filesize

            64KB

          • memory/3984-170-0x000001FCDE210000-0x000001FCDE220000-memory.dmp

            Filesize

            64KB

          • memory/4168-194-0x0000023D625F0000-0x0000023D62600000-memory.dmp

            Filesize

            64KB

          • memory/4168-193-0x0000023D625F0000-0x0000023D62600000-memory.dmp

            Filesize

            64KB

          • memory/4168-192-0x0000023D625F0000-0x0000023D62600000-memory.dmp

            Filesize

            64KB

          • memory/5056-177-0x0000000005A50000-0x0000000005AE2000-memory.dmp

            Filesize

            584KB

          • memory/5056-180-0x0000000006600000-0x0000000006666000-memory.dmp

            Filesize

            408KB

          • memory/5056-181-0x0000000005530000-0x0000000005540000-memory.dmp

            Filesize

            64KB

          • memory/5056-179-0x0000000005D40000-0x0000000005DDC000-memory.dmp

            Filesize

            624KB

          • memory/5056-178-0x0000000005A30000-0x0000000005A3A000-memory.dmp

            Filesize

            40KB

          • memory/5056-173-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/5056-176-0x0000000005E10000-0x00000000063B4000-memory.dmp

            Filesize

            5.6MB

          • memory/5056-175-0x0000000005530000-0x0000000005540000-memory.dmp

            Filesize

            64KB