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Analysis

  • max time kernel
    56s
  • max time network
    58s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/07/2024, 07:45

General

  • Target

    Ujuax.exe

  • Size

    4.8MB

  • MD5

    cc0586b98c46e5ed73efb1b0e9181130

  • SHA1

    ff4a38d4acb50e4385727ef5455b77344b9b01c6

  • SHA256

    b32f304e47735f05127ca24f7094514ef8b2b6d4d23c2b34a519ada6dc93b628

  • SHA512

    2a8e5c1f6a449abe949b7e1fab291a1919bb80859648fd2bad50cf46964a3292db7f63663a4aa9f62993f3f85fb1e14fd05dfc68f9632e25f19a59bdf9e22468

  • SSDEEP

    24576:D0cxDzNN+hJELofuY4e9fB03aZTtjck/aCbycRZxE7EiMdwTBHPJArTJnC03Ud1E:4cnk

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

Scar

C2

scar77747.duckdns.org:6606

scar77747.duckdns.org:7707

scar77747.duckdns.org:8808

Mutex

Alx_alx

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ujuax.exe
    "C:\Users\Admin\AppData\Local\Temp\Ujuax.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3228
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:4364
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAVQBqAHUAYQB4AC4AZQB4AGUAOwAgAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAcgBvAGMAZQBzAHMAIABVAGoAdQBhAHgALgBlAHgAZQA7AEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwAUgBvAGEAbQBpAG4AZwBcAFMAYwBhAHIALgBlAHgAZQA7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUAByAG8AYwBlAHMAcwAgAFMAYwBhAHIALgBlAHgAZQA=
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rv4rekqt.f03.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1812-4921-0x00000000701A0000-0x00000000701EC000-memory.dmp

    Filesize

    304KB

  • memory/1812-4904-0x0000000004ED0000-0x0000000004EF2000-memory.dmp

    Filesize

    136KB

  • memory/1812-4942-0x00000000072F0000-0x000000000730A000-memory.dmp

    Filesize

    104KB

  • memory/1812-4941-0x00000000071F0000-0x0000000007204000-memory.dmp

    Filesize

    80KB

  • memory/1812-4940-0x00000000071E0000-0x00000000071EE000-memory.dmp

    Filesize

    56KB

  • memory/1812-4939-0x00000000071B0000-0x00000000071C1000-memory.dmp

    Filesize

    68KB

  • memory/1812-4938-0x0000000007230000-0x00000000072C6000-memory.dmp

    Filesize

    600KB

  • memory/1812-4937-0x0000000007020000-0x000000000702A000-memory.dmp

    Filesize

    40KB

  • memory/1812-4935-0x00000000075F0000-0x0000000007C6A000-memory.dmp

    Filesize

    6.5MB

  • memory/1812-4936-0x0000000006FB0000-0x0000000006FCA000-memory.dmp

    Filesize

    104KB

  • memory/1812-4934-0x0000000006E60000-0x0000000006F03000-memory.dmp

    Filesize

    652KB

  • memory/1812-4931-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1812-4943-0x00000000072D0000-0x00000000072D8000-memory.dmp

    Filesize

    32KB

  • memory/1812-4932-0x0000000006230000-0x000000000624E000-memory.dmp

    Filesize

    120KB

  • memory/1812-4933-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1812-4920-0x0000000006270000-0x00000000062A2000-memory.dmp

    Filesize

    200KB

  • memory/1812-4919-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

    Filesize

    304KB

  • memory/1812-4918-0x0000000005C80000-0x0000000005C9E000-memory.dmp

    Filesize

    120KB

  • memory/1812-4917-0x00000000057F0000-0x0000000005B44000-memory.dmp

    Filesize

    3.3MB

  • memory/1812-4903-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1812-4916-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1812-4946-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1812-4910-0x0000000004F70000-0x0000000004FD6000-memory.dmp

    Filesize

    408KB

  • memory/1812-4911-0x0000000005680000-0x00000000056E6000-memory.dmp

    Filesize

    408KB

  • memory/1812-4898-0x00000000026E0000-0x0000000002716000-memory.dmp

    Filesize

    216KB

  • memory/1812-4899-0x0000000005050000-0x0000000005678000-memory.dmp

    Filesize

    6.2MB

  • memory/1812-4900-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5084-46-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-36-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-16-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-14-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-10-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-8-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-30-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-6-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-22-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-5-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-4891-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5084-4892-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5084-4893-0x0000000005CE0000-0x0000000005D3E000-memory.dmp

    Filesize

    376KB

  • memory/5084-4894-0x0000000005D40000-0x0000000005D8C000-memory.dmp

    Filesize

    304KB

  • memory/5084-4895-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/5084-4896-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5084-4897-0x0000000005E40000-0x0000000005E94000-memory.dmp

    Filesize

    336KB

  • memory/5084-24-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-26-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-28-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-4902-0x0000000005EE0000-0x0000000005EF6000-memory.dmp

    Filesize

    88KB

  • memory/5084-32-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-34-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-20-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-42-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-38-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-40-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-44-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/5084-48-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-52-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-54-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-56-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-60-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-62-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-64-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-66-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-68-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-58-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-50-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-18-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-12-0x0000000006C70000-0x0000000006E8D000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-4-0x0000000006F30000-0x0000000006FC2000-memory.dmp

    Filesize

    584KB

  • memory/5084-3-0x0000000007440000-0x00000000079E4000-memory.dmp

    Filesize

    5.6MB

  • memory/5084-2-0x0000000006C70000-0x0000000006E94000-memory.dmp

    Filesize

    2.1MB

  • memory/5084-1-0x0000000000BA0000-0x0000000001068000-memory.dmp

    Filesize

    4.8MB

  • memory/5084-4949-0x0000000008BF0000-0x0000000008C8C000-memory.dmp

    Filesize

    624KB