Overview

overview

10

Static

static

10

Roblox(unclose).exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • 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
    25-01-2025 17:05

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General

  • Target

    Roblox(unclose).exe

  • Size

    45KB

  • MD5

    82fd0c7064261df7d48b87d9caac15a7

  • SHA1

    9aadb8450c1c01b184fec15f6dc76fe8cf5a1f5c

  • SHA256

    13975c47165d6d8093e4118c3304b0edf7a2677985041e0f7288bc58c553839b

  • SHA512

    a1a234936e6024cdd532732c1fc114d1220be09bae1049302802b69453ab0bffa634088189fe17495efb7fcfd95666b8b7ede9b28bfbef5dfa977113c6c8c460

  • SSDEEP

    768:XuwSNToEjaNLWU3+KZmo2q7+onp/JtByBlPI1zjbKgX3ix2ef3KYG78BDZNA:XuwSNToqad2Nop/J113bdXSx2eyadNA

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

https://10a6-88-230-120-156.ngrok-free.app:6244

Mutex

CUfyOWsAPTbY

Attributes
  • delay

    3

  • install

    true

  • install_file

    jennymod.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
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
    defense_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 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 35 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Roblox(unclose).exe
    "C:\Users\Admin\AppData\Local\Temp\Roblox(unclose).exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jennymod" /tr '"C:\Users\Admin\AppData\Roaming\jennymod.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "jennymod" /tr '"C:\Users\Admin\AppData\Roaming\jennymod.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:112
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCA84.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3156
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1732
      • C:\Users\Admin\AppData\Roaming\jennymod.exe
        "C:\Users\Admin\AppData\Roaming\jennymod.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4956
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCA84.tmp.bat
    Filesize

    152B

    MD5

    f28874c418929dbad2073881ca8a4006

    SHA1

    802d3e5904bab8c744980cc740c3d649cd1be592

    SHA256

    15b9f1e02f4286d1e043e9d5cdc41296efe6ac7b07458179b4819375cb592d4d

    SHA512

    9eec67a134491c072ca7bc261a4cbb28bd7b954fa2569f10c909f102f1415b79b9d27eb4a7e6204cc119bf9e5470cea79c7f5573d90e256101bbaf00028b2dd8

    Download Submit

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

    45KB

    MD5

    82fd0c7064261df7d48b87d9caac15a7

    SHA1

    9aadb8450c1c01b184fec15f6dc76fe8cf5a1f5c

    SHA256

    13975c47165d6d8093e4118c3304b0edf7a2677985041e0f7288bc58c553839b

    SHA512

    a1a234936e6024cdd532732c1fc114d1220be09bae1049302802b69453ab0bffa634088189fe17495efb7fcfd95666b8b7ede9b28bfbef5dfa977113c6c8c460

    Download Submit

  • memory/1176-24-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-22-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-21-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-23-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-25-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-26-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-27-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-15-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-16-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1176-17-0x000002DFA73D0000-0x000002DFA73D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3828-8-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3828-0-0x000000007472E000-0x000000007472F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3828-3-0x0000000004AE0000-0x0000000004B7C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3828-2-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3828-1-0x0000000000100000-0x0000000000112000-memory.dmp

    Filesize

    72KB

    Download

  • memory/4956-14-0x0000000074670000-0x0000000074E20000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4956-13-0x0000000074670000-0x0000000074E20000-memory.dmp

    Filesize

    7.7MB

    Download