Overview

overview

10

Static

static

10

9ca7ff61cd...0N.exe

windows7-x64

10

9ca7ff61cd...0N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 15:48

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    9ca7ff61cdaa9b05da46da07587a4183f4ed3bdacf781e04e229f695d7d73000N.exe

  • Size

    47KB

  • MD5

    4e0b89c963682a4a458d5b600d8facd0

  • SHA1

    72b2cfe0bc78d556247562431565f55d2ac41acb

  • SHA256

    9ca7ff61cdaa9b05da46da07587a4183f4ed3bdacf781e04e229f695d7d73000

  • SHA512

    2a484bac3c9ce89f9273626c0f1a46fd3a25538c1688a6387c22e1f6224a54cccbc657743155b4a71b0206d59a1c346b4b117d323383395f876d39e180da3f8d

  • SSDEEP

    768:IRUQgNIL4+M0+LiXPtWiEN8YbOgPE+iCrMvEgK/JXZVc6KN:IR1gjsXPt6zbxM+1AnkJXZVclN

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

zlehsdl-54193.portmap.host:54193

Mutex

Mutex_manL

Attributes
  • delay

    1

  • install

    true

  • install_file

    client.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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\9ca7ff61cdaa9b05da46da07587a4183f4ed3bdacf781e04e229f695d7d73000N.exe
    "C:\Users\Admin\AppData\Local\Temp\9ca7ff61cdaa9b05da46da07587a4183f4ed3bdacf781e04e229f695d7d73000N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "client" /tr '"C:\Users\Admin\AppData\Roaming\client.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3216
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "client" /tr '"C:\Users\Admin\AppData\Roaming\client.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1520
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB5C3.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:888
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2632
      • C:\Users\Admin\AppData\Roaming\client.exe
        "C:\Users\Admin\AppData\Roaming\client.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB5C3.tmp.bat
    Filesize

    150B

    MD5

    dfad79b4dd40071f016a89ba975ea692

    SHA1

    864758b1708f8f331fa3e24523cd3721c57ff556

    SHA256

    040c246ab70ab41b24abb947d34116e7af452735f5de6043d43adac1fb0120e5

    SHA512

    09c2610ff263e74607c4fc0f5a10b6fae3ac9037da062a03982321e3b465f78f04d63027184bc89d864bf6a1092b87ce7c7a36224a64113e6e8fc45f49b3a674

    Download Submit

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

    47KB

    MD5

    4e0b89c963682a4a458d5b600d8facd0

    SHA1

    72b2cfe0bc78d556247562431565f55d2ac41acb

    SHA256

    9ca7ff61cdaa9b05da46da07587a4183f4ed3bdacf781e04e229f695d7d73000

    SHA512

    2a484bac3c9ce89f9273626c0f1a46fd3a25538c1688a6387c22e1f6224a54cccbc657743155b4a71b0206d59a1c346b4b117d323383395f876d39e180da3f8d

    Download Submit

  • memory/1312-0-0x00007FFE0C913000-0x00007FFE0C915000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1312-1-0x0000000000070000-0x0000000000082000-memory.dmp

    Filesize

    72KB

    Download

  • memory/1312-2-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1312-7-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

    Filesize

    10.8MB

    Download