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
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 01:39

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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:1624
    • 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:4276
      • 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:812
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB72A.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3336
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5048
      • 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:3824

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB72A.tmp.bat
    Filesize

    158B

    MD5

    b4a4c2a1f99ff7a637b7815cca06af4c

    SHA1

    7a47f56707e2d64f2822178e96f546a32fda1c4b

    SHA256

    18c6a58be5d08ea767c2e673c61b768f746b3f4213ef4d8fa43b9e15f78ad14d

    SHA512

    dcf6102957af4b9fe6f7bcd3a72bcd31162905af049913a7ac4f14a1db5da6a8be30f2b6e328cc8c17603a97d03edcbfa862556da5e8bc7bbc0fae04ac57ac28

    Download Submit

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

    47KB

    MD5

    b755853833e683e601e838ed7ca54867

    SHA1

    9ff8bf2710cfd25fa0fd07ea10e10f76910989a9

    SHA256

    308e5523c1588d1ba9b89d48c32a0171a674f34c8e50407cc307b56d92bb9a52

    SHA512

    6fe4139253b06499c735d1131fe368f93a064b573d8b7befd23836b707adda6adcdde991a49886d83dec7d08c3f6fba66ef083c5270c253162c59db88250b193

    Download Submit

  • memory/1624-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1624-1-0x0000000000910000-0x0000000000922000-memory.dmp

    Filesize

    72KB

    Download

  • memory/1624-2-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1624-3-0x00000000052E0000-0x0000000005346000-memory.dmp

    Filesize

    408KB

    Download

  • memory/1624-4-0x0000000005740000-0x00000000057DC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/1624-10-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3824-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3824-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

    Download