Overview

overview

10

Static

static

10

308e5523c1...52.exe

windows7-x64

10

308e5523c1...52.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 05:33

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General

  • Target

    308e5523c1588d1ba9b89d48c32a0171a674f34c8e50407cc307b56d92bb9a52.exe

  • Size

    47KB

  • MD5

    b755853833e683e601e838ed7ca54867

  • SHA1

    9ff8bf2710cfd25fa0fd07ea10e10f76910989a9

  • SHA256

    308e5523c1588d1ba9b89d48c32a0171a674f34c8e50407cc307b56d92bb9a52

  • SHA512

    6fe4139253b06499c735d1131fe368f93a064b573d8b7befd23836b707adda6adcdde991a49886d83dec7d08c3f6fba66ef083c5270c253162c59db88250b193

  • SSDEEP

    768:kuI7lT8kPK2WUwq2Mmo2qsLe2TSKMfjPdPI7OS8hV/s0bNAtbamdxnHNlHt/1zwc:kuI7lT8kD2rHMLyiS8bNAtnrY3dgx

Score
10/10
asyncratallahsizdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Allahsiz

C2

45.95.214.119:8080

Mutex

euU8bJbAjw5V

Attributes
  • delay

    3

  • install

    true

  • install_file

    Runtime Broker.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 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\308e5523c1588d1ba9b89d48c32a0171a674f34c8e50407cc307b56d92bb9a52.exe
    "C:\Users\Admin\AppData\Local\Temp\308e5523c1588d1ba9b89d48c32a0171a674f34c8e50407cc307b56d92bb9a52.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Runtime Broker" /tr '"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3852
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Runtime Broker" /tr '"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3536
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC2A4.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3312
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5012
      • C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
        "C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4768

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC2A4.tmp.bat
    Filesize

    158B

    MD5

    fe21472f363e1c9fc261e008d034220b

    SHA1

    f3ae1fefd71d0640f3e8adf07c863ca418009b9c

    SHA256

    8e9afab7109a58c691598f3b43327b85835c6fdf79095ea597074438e8d412b6

    SHA512

    adeac6242c842a3ed476a397230a7e97ff8af6a0d535b80dd2f4289378fe6fb96c0d36dfc17aa37f051f3ba3bb1be1e749ddbc600d27a070fdf4f0dd05df8f85

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
    Filesize

    47KB

    MD5

    b755853833e683e601e838ed7ca54867

    SHA1

    9ff8bf2710cfd25fa0fd07ea10e10f76910989a9

    SHA256

    308e5523c1588d1ba9b89d48c32a0171a674f34c8e50407cc307b56d92bb9a52

    SHA512

    6fe4139253b06499c735d1131fe368f93a064b573d8b7befd23836b707adda6adcdde991a49886d83dec7d08c3f6fba66ef083c5270c253162c59db88250b193

    Download Submit

  • memory/4768-14-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4768-15-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/5088-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/5088-1-0x00000000009F0000-0x0000000000A02000-memory.dmp

    Filesize

    72KB

    Download

  • memory/5088-2-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/5088-3-0x00000000053B0000-0x0000000005416000-memory.dmp

    Filesize

    408KB

    Download

  • memory/5088-4-0x0000000005850000-0x00000000058EC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/5088-9-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

    Download