Overview

overview

10

Static

static

10

2d2b207af1...f7.exe

windows7-x64

10

2d2b207af1...f7.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 17:37

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2d2b207af1b1ad9dccb96a6c77c1be6994e69a4a1272db05b9b8239f1f9b68f7.exe

  • Size

    63KB

  • MD5

    a07981dacdc37e2dcee6555cf89f504b

  • SHA1

    f3f2804e66b02e50e1cd402c7a534d886ea708b1

  • SHA256

    2d2b207af1b1ad9dccb96a6c77c1be6994e69a4a1272db05b9b8239f1f9b68f7

  • SHA512

    ddd3e5d010b8694569705b77455bfb524445d4e376ba01fe6cac3e9d7d79075e367c21c81a4fdb97413836cb1f60b54bca10e6fee478cee12c3c6610c39c0141

  • SSDEEP

    1536:0ZaJIKsnhKfMZ4JGbbpwlHhGPkpqKmY7:0nKOhfgGbbpaavz

Score
10/10
asyncratchuwawarat

Malware Config

Extracted

Family

asyncrat

Version

ChuWaWa 5.2

Botnet

ChuWaWa

C2

stores-less.gl.at.ply.gg:7777

stores-less.gl.at.ply.gg:45080

31.173.170.243:7777

31.173.170.243:45080
Mutex

ChuWaWaRatMutex_penka

Attributes
  • delay

    1

  • install

    true

  • install_file

    RuntimeBroker.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).

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d2b207af1b1ad9dccb96a6c77c1be6994e69a4a1272db05b9b8239f1f9b68f7.exe
    "C:\Users\Admin\AppData\Local\Temp\2d2b207af1b1ad9dccb96a6c77c1be6994e69a4a1272db05b9b8239f1f9b68f7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3308
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "RuntimeBroker" /tr '"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "RuntimeBroker" /tr '"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4924
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCC78.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4992
      • C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
        "C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCC78.tmp.bat
    Filesize

    157B

    MD5

    fa2b732fb1db96ff50abee711781792a

    SHA1

    78f20ce8a166e0cf6cc276a6b7caefeceb668024

    SHA256

    24f5634c6bf555f39e505f21370ab20e61629b4b0a86fd54b500c3e2968b6553

    SHA512

    185364bb54f5163106fcf7196a2caa5c2294aa1a380fe1f66d9aaab12fcd5c7127e634b1665d545fa9304604bad65fe65fe731c7020185e263ba34165d9bc28b

    Download Submit

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

    63KB

    MD5

    a07981dacdc37e2dcee6555cf89f504b

    SHA1

    f3f2804e66b02e50e1cd402c7a534d886ea708b1

    SHA256

    2d2b207af1b1ad9dccb96a6c77c1be6994e69a4a1272db05b9b8239f1f9b68f7

    SHA512

    ddd3e5d010b8694569705b77455bfb524445d4e376ba01fe6cac3e9d7d79075e367c21c81a4fdb97413836cb1f60b54bca10e6fee478cee12c3c6610c39c0141

    Download Submit

  • memory/3308-0-0x00007FFBB7143000-0x00007FFBB7145000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3308-1-0x0000016B7D6D0000-0x0000016B7D6E6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3308-2-0x00007FFBB7140000-0x00007FFBB7C01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3308-8-0x00007FFBB7140000-0x00007FFBB7C01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3308-7-0x00007FFBB7140000-0x00007FFBB7C01000-memory.dmp

    Filesize

    10.8MB

    Download