Overview

overview

10

Static

static

10

lkklnsgtns...fg.exe

windows7-x64

10

lkklnsgtns...fg.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 21:43

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General

  • Target

    lkklnsgtnsdfgdfgsdfg.exe

  • Size

    47KB

  • MD5

    f6dac35d571337de0dcbfd8488519383

  • SHA1

    f7807ad2b9c086889e492a3ff8e9a47df0d9ee19

  • SHA256

    fbd85258618d241a24904b372d95d4db16fa344e555ebdea2fe59e4c506194c0

  • SHA512

    5f26dec175882f1740e405fa7129043a705d47de295547d4ce0a6047255b77994e398f26aa552b0ae119785749ae02f6339eadc97b5fc9c3e28cb3a1b60971c1

  • SSDEEP

    768:DuQKNTREhzxrWUXrm5mo2q7ZwuoFI0rxfvR6fPIy840bMUCLDCUtdv8ewBkd6WRz:DuQKNTR+W2ZuojxfvR3y8zbpZU38eO0Z

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:61882

rahyufgsaf-61882.portmap.host:6606

rahyufgsaf-61882.portmap.host:7707

rahyufgsaf-61882.portmap.host:8808

rahyufgsaf-61882.portmap.host:61882
Mutex

jQF9EeB2cbGS

Attributes
  • delay

    3

  • install

    true

  • install_file

    roar.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Asyncrat family
    asyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

    discovery
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lkklnsgtnsdfgdfgsdfg.exe
    "C:\Users\Admin\AppData\Local\Temp\lkklnsgtnsdfgdfgsdfg.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "roar" /tr '"C:\Users\Admin\AppData\Roaming\roar.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3208
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "roar" /tr '"C:\Users\Admin\AppData\Roaming\roar.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:112
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA7E8.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4176
      • C:\Users\Admin\AppData\Roaming\roar.exe
        "C:\Users\Admin\AppData\Roaming\roar.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2572

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA7E8.tmp.bat
    Filesize

    148B

    MD5

    ad5c7109860f261e05bb131b95c81941

    SHA1

    0b5151e092366c9f336f2a0bcb8b30c0a0178b70

    SHA256

    11743f8060f554df3d956d260ffe19007dda40d73f0c707cc527a667d34735cc

    SHA512

    7988d12c986e98d3e99f9a9feb812954647b0b1869167f63465adb81eac9fbfdf5732fce95600d6bc5eda9d34dba1446f0b36f0011a8e262855ae8e1c0d38c13

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  • C:\Users\Admin\AppData\Roaming\roar.exe
    Filesize

    47KB

    MD5

    f6dac35d571337de0dcbfd8488519383

    SHA1

    f7807ad2b9c086889e492a3ff8e9a47df0d9ee19

    SHA256

    fbd85258618d241a24904b372d95d4db16fa344e555ebdea2fe59e4c506194c0

    SHA512

    5f26dec175882f1740e405fa7129043a705d47de295547d4ce0a6047255b77994e398f26aa552b0ae119785749ae02f6339eadc97b5fc9c3e28cb3a1b60971c1

    Download Submit

  • memory/2572-14-0x0000000074B10000-0x00000000752C0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2572-15-0x0000000074B10000-0x00000000752C0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3520-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3520-1-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3520-2-0x0000000074B10000-0x00000000752C0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3520-3-0x0000000005330000-0x0000000005396000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3520-4-0x0000000005780000-0x000000000581C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3520-9-0x0000000074B10000-0x00000000752C0000-memory.dmp

    Filesize

    7.7MB

    Download