Resubmissions

23/01/2024, 08:52

240123-ksq1vsghcq 10

23/01/2024, 02:33

240123-c1vd9afadn 10

Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 02:33

General

  • Target

    01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe

  • Size

    48KB

  • MD5

    1f58a5ef877adab164e528929729d3b0

  • SHA1

    d1aa7ed83011d8b5c72c875f0e30ccc31d6c245d

  • SHA256

    01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639

  • SHA512

    f7698c86454d034460946effb224c2922806b5c39686ef9817befecb033f72a9d03f400baaa69516396756e80ebfc63f7ed8f1b60eaf5f4702c4ccfc964ae03d

  • SSDEEP

    768:8ukLVT0kLd3WULgPdVmo2qDGEZIdeNxsMxPIjqoQcyL0bE0LwylVdTNztVftBDZ1:8ukLVT0Mq12+GeDzujq0yAbE0dlPTN5Z

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:8080

20.98.203.218:8080

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Axenta.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe
    "C:\Users\Admin\AppData\Local\Temp\01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Axenta" /tr '"C:\Users\Admin\AppData\Roaming\Axenta.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3952
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Axenta" /tr '"C:\Users\Admin\AppData\Roaming\Axenta.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:3768
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp57A5.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4984
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3308
      • C:\Users\Admin\AppData\Roaming\Axenta.exe
        "C:\Users\Admin\AppData\Roaming\Axenta.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4696

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp57A5.tmp.bat

          Filesize

          150B

          MD5

          0f305e29a9ee82da1333dcae6c19301a

          SHA1

          132c532613a4c1e1b30c5d3360e42cfb58dc160b

          SHA256

          ee1c06179c2e6538f205e1aa463955751846bdcf75b60973f5dd2e5d341c0c62

          SHA512

          124024fba05d4ec931f0d45411d237ada8eced9523d9dcbcade1000b63fdc721ecc8ac92027f8303558a28b2d73050b645e5845dcb8cb2b7eed9ea9fde22002e

        • C:\Users\Admin\AppData\Roaming\Axenta.exe

          Filesize

          21KB

          MD5

          e4f33f71cf19699c4a8ef0ef20ad2da7

          SHA1

          daddd8b29a70ff3c01ceffb4466c5b5a99a4d51a

          SHA256

          842d4a1bad855019b1054a9c4bc080fd21df560f21a95ab3e044f8125797443d

          SHA512

          8642b0a1433bf614b03cc0aac94ab39962b2584a9fd39a34c5f1c687c0706a8fbc65e4c86cebb4769870a4c6bafd0255c7253d091bc1bbad03b5199c974ca472

        • C:\Users\Admin\AppData\Roaming\Axenta.exe

          Filesize

          48KB

          MD5

          1f58a5ef877adab164e528929729d3b0

          SHA1

          d1aa7ed83011d8b5c72c875f0e30ccc31d6c245d

          SHA256

          01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639

          SHA512

          f7698c86454d034460946effb224c2922806b5c39686ef9817befecb033f72a9d03f400baaa69516396756e80ebfc63f7ed8f1b60eaf5f4702c4ccfc964ae03d

        • memory/1468-1-0x0000000074A20000-0x00000000751D0000-memory.dmp

          Filesize

          7.7MB

        • memory/1468-0-0x0000000000740000-0x0000000000752000-memory.dmp

          Filesize

          72KB

        • memory/1468-2-0x0000000005100000-0x0000000005110000-memory.dmp

          Filesize

          64KB

        • memory/1468-3-0x0000000005110000-0x00000000051AC000-memory.dmp

          Filesize

          624KB

        • memory/1468-8-0x0000000074A20000-0x00000000751D0000-memory.dmp

          Filesize

          7.7MB

        • memory/4696-13-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/4696-14-0x00000000052A0000-0x00000000052B0000-memory.dmp

          Filesize

          64KB

        • memory/4696-15-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/4696-16-0x00000000052A0000-0x00000000052B0000-memory.dmp

          Filesize

          64KB