Overview

overview

10

Static

static

10

efb446dd9c...09.exe

windows7-x64

10

efb446dd9c...09.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • 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
    30-11-2024 15:02

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General

  • Target

    efb446dd9ce281cdc5d582128182e1c171edcda6e4a475875938713a57a06709.exe

  • Size

    47KB

  • MD5

    dbd61ce4a5e30ab3e01f7470f81b8209

  • SHA1

    89f6902857bdbcf4ebf8d8d038b5b9fd930324bf

  • SHA256

    efb446dd9ce281cdc5d582128182e1c171edcda6e4a475875938713a57a06709

  • SHA512

    34a1bbd86c2612c030766d5e8d85e1ba5f061a0d58c57a1a213c5d5c59d503e75920fcd4bae0b4770b04f4e5e37d455b3d99e3a8a0e143bb053eb4a109b53b9f

  • SSDEEP

    768:Uu6SVTasQ7mAIWUWj3CCmo2qshLI7hE56ZPILN8vdSTN40bgFa4YVzW5szXjMqat:Uu6SVT3emQ2NMWLNdFbgcnzasDgqazh3

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

45.95.214.119:8080

Mutex

7wmi8SsddCZn

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.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\efb446dd9ce281cdc5d582128182e1c171edcda6e4a475875938713a57a06709.exe
    "C:\Users\Admin\AppData\Local\Temp\efb446dd9ce281cdc5d582128182e1c171edcda6e4a475875938713a57a06709.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4312
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4640
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9C11.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3884
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3996
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4512

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9C11.tmp.bat
    Filesize

    151B

    MD5

    04f8fcae903e750f9ae1b318383e5edc

    SHA1

    7b47e978ae5ba53ebc9bc90b95008c12827b7f8a

    SHA256

    bcb2afd985949ce9ecb4992e0b59d3dbacc27927d1a1c3d6d48e19ce71dae689

    SHA512

    c68bd786bc5234099f693e775cc8015f02618c752f702cdecca74f9f6dd62fbaa37217854834f41ae8b75268cdc7d14c28b553cb5f6592d2632901707d2a6256

    Download Submit

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

    47KB

    MD5

    dbd61ce4a5e30ab3e01f7470f81b8209

    SHA1

    89f6902857bdbcf4ebf8d8d038b5b9fd930324bf

    SHA256

    efb446dd9ce281cdc5d582128182e1c171edcda6e4a475875938713a57a06709

    SHA512

    34a1bbd86c2612c030766d5e8d85e1ba5f061a0d58c57a1a213c5d5c59d503e75920fcd4bae0b4770b04f4e5e37d455b3d99e3a8a0e143bb053eb4a109b53b9f

    Download Submit

  • memory/1808-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1808-1-0x0000000000100000-0x0000000000112000-memory.dmp

    Filesize

    72KB

    Download

  • memory/1808-2-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1808-3-0x0000000004AA0000-0x0000000004B06000-memory.dmp

    Filesize

    408KB

    Download

  • memory/1808-4-0x0000000004F40000-0x0000000004FDC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/1808-9-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4512-14-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4512-15-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

    Download