Overview

overview

10

Static

static

10

07d35c2c24...c8.exe

windows7-x64

10

07d35c2c24...c8.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    93s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2024 03:20

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General

  • Target

    07d35c2c242d2c2a7bbf3d70315f7679c90b3f5a32b2ff542fdfca8a0b9cb4c8.exe

  • Size

    47KB

  • MD5

    67e32a73f545f56e1292d6b318f8e3c4

  • SHA1

    96ca16f9a5b6e359f0dccfa0d6c7532ff047da09

  • SHA256

    07d35c2c242d2c2a7bbf3d70315f7679c90b3f5a32b2ff542fdfca8a0b9cb4c8

  • SHA512

    5ab019270b836231ba7f8b9a5c60bececc02a461f8978424708c7d8460c09347a5a8a1a3ee3b2b54f87a4faf0a4216c9d5e9ccf06dddd932fb93195a4c0df644

  • SSDEEP

    768:guwpFTAY3IQWUe9jqmo2qLj4Q3ijkBPI6Lvl1T0bg7J3HvcNv8OBDZQx:guwpFTA4/2W7Ve6LvlKbg7ZP+bdQx

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

176.111.174.140:6606

176.111.174.140:7707

176.111.174.140:8808
Mutex

QaF6X2cpj8fc

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
  • 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07d35c2c242d2c2a7bbf3d70315f7679c90b3f5a32b2ff542fdfca8a0b9cb4c8.exe
    "C:\Users\Admin\AppData\Local\Temp\07d35c2c242d2c2a7bbf3d70315f7679c90b3f5a32b2ff542fdfca8a0b9cb4c8.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3548
    • 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:4832
      • 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:1792
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC19A.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:352
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1700
      • 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:3492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC19A.tmp.bat
    Filesize

    151B

    MD5

    152dd3f8cf2575d2e02c997cf1cbdc5c

    SHA1

    056bc034b0a2f445411e62039392a6f75a3f0a39

    SHA256

    65da4b214608c7e9dfbc4f86ce665e238994befbfea61613564931d63820da6d

    SHA512

    572394e71a1898ede0381d39b7d0ffb61688ddda05bcd9c8a0e4c16c773d59ea16cc5887dc5ec52f83d121aff3e5cf8a3f8466e7743754d5eb0fcc875852e322

    Download Submit

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

    47KB

    MD5

    67e32a73f545f56e1292d6b318f8e3c4

    SHA1

    96ca16f9a5b6e359f0dccfa0d6c7532ff047da09

    SHA256

    07d35c2c242d2c2a7bbf3d70315f7679c90b3f5a32b2ff542fdfca8a0b9cb4c8

    SHA512

    5ab019270b836231ba7f8b9a5c60bececc02a461f8978424708c7d8460c09347a5a8a1a3ee3b2b54f87a4faf0a4216c9d5e9ccf06dddd932fb93195a4c0df644

    Download Submit

  • memory/3492-13-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3492-14-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3492-15-0x0000000006290000-0x0000000006834000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/3492-16-0x0000000005D90000-0x0000000005DF6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3548-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3548-1-0x0000000000530000-0x0000000000542000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3548-2-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3548-3-0x0000000004F30000-0x0000000004FCC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3548-8-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

    Download