Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 12:40

General

  • Target

    d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc.exe

  • Size

    63KB

  • MD5

    103629304104bf87dc75a086f3aebdb2

  • SHA1

    6a03d4e5bba8c4ffb6c7432f948951b9c6064130

  • SHA256

    d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc

  • SHA512

    30647aa2adf2d7991385b730e15e9954b4b6ba58ab551850ab450b7f83c91b8c89f21de3bbf43fd4e9f858f65a1eac471b929821263c86966d16ead526206604

  • SSDEEP

    768:otD5i7QHEU78j8C8A+XiV07hobtVZTnR48uyq1+T43SBGHmDbDBph0of3g4tyySI:GIgE8lwtNliQYUbrhB3g4AugdpqKmY7E

Score
10/10

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:4321

127.0.0.1:17567

company-parker.gl.at.ply.gg:4321

company-parker.gl.at.ply.gg:17567

Attributes
  • delay

    1

  • install

    true

  • install_file

    Grettaexecutor.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 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:\Users\Admin\AppData\Local\Temp\d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc.exe
    "C:\Users\Admin\AppData\Local\Temp\d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Grettaexecutor" /tr '"C:\Users\Admin\AppData\Roaming\Grettaexecutor.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3020
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Grettaexecutor" /tr '"C:\Users\Admin\AppData\Roaming\Grettaexecutor.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2656
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp5199.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2932
      • C:\Users\Admin\AppData\Roaming\Grettaexecutor.exe
        "C:\Users\Admin\AppData\Roaming\Grettaexecutor.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5199.tmp.bat

    Filesize

    158B

    MD5

    5e0aca5e91449989c5549efbac0daa99

    SHA1

    9d6e94ced199dae749ae704df988f43f06aa62ba

    SHA256

    491d5159cfcfa56142d9fe87f6bbdba93bf313d01f61b00971db2f05e16bb022

    SHA512

    4a842a8243dfae8e1074f0d651b99704bb95e78055402d37ee013e34653a95f6c7479c9d4bd1c52030d96d0fb774b00352dd0d3e9737d433f71aecca2f7cafc9

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

    Filesize

    63KB

    MD5

    103629304104bf87dc75a086f3aebdb2

    SHA1

    6a03d4e5bba8c4ffb6c7432f948951b9c6064130

    SHA256

    d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc

    SHA512

    30647aa2adf2d7991385b730e15e9954b4b6ba58ab551850ab450b7f83c91b8c89f21de3bbf43fd4e9f858f65a1eac471b929821263c86966d16ead526206604

  • memory/2448-0-0x000007FEF5F63000-0x000007FEF5F64000-memory.dmp

    Filesize

    4KB

  • memory/2448-1-0x00000000008D0000-0x00000000008E6000-memory.dmp

    Filesize

    88KB

  • memory/2448-2-0x000007FEF5F60000-0x000007FEF694C000-memory.dmp

    Filesize

    9.9MB

  • memory/2448-3-0x000007FEF5F60000-0x000007FEF694C000-memory.dmp

    Filesize

    9.9MB

  • memory/2448-13-0x000007FEF5F60000-0x000007FEF694C000-memory.dmp

    Filesize

    9.9MB

  • memory/2732-17-0x00000000012F0000-0x0000000001306000-memory.dmp

    Filesize

    88KB