Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 03:42

General

  • Target

    UrMine2.exe

  • Size

    3.2MB

  • MD5

    7b9480d4a112833514e7bb79434ac910

  • SHA1

    9050db3991eaa8a2ab8d0485877f54e096660036

  • SHA256

    38fdd127d155587e46643e9ce269951ab8f3c41563437613dc5709aeadfceb32

  • SHA512

    125e94039981aa6072a352dddcc531f58cdc3d9db9bb0557c3ba1561fcd40b7d0fea76b06701ec7e53248c4c0e6ac607c7d8e71dfde0a0221abff9eaa006b693

  • SSDEEP

    98304:ZtiwNlunVqirIBmG9Li2JWrV2yM0SlNevauUaO/tCI:Zt9unlrIBT9LVJoV2yM0SlNevwC

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Axotrojan

C2

eu-central-7075.packetriot.net:22342

167.71.56.116:22342

Mutex

34892381-1dda-4b06-87a2-3e413b932ac8

Attributes
  • encryption_key

    4B13DC71783277444E966E1D66F9171ABFC15E88

  • install_name

    Clientformyslut.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Axo startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Modifies Windows Firewall 2 TTPs 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 6 IoCs
  • Executes dropped EXE 4 IoCs
  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\UrMine2.exe
    "C:\Users\Admin\AppData\Local\Temp\UrMine2.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG4AdgBlACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGQAegBmACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG0AcABiACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGIAcQB1ACMAPgA="
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4804
    • C:\Users\Admin\AppData\Local\Temp\pkriot3.exe
      "C:\Users\Admin\AppData\Local\Temp\pkriot3.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4492
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4344
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:4732
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:3068
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2016
    • C:\Users\Admin\AppData\Local\Temp\pkriot1.exe
      "C:\Users\Admin\AppData\Local\Temp\pkriot1.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:616
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "Axo startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Clientformyslut.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2864
      • C:\Windows\system32\SubDir\Clientformyslut.exe
        "C:\Windows\system32\SubDir\Clientformyslut.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4460
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "Axo startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Clientformyslut.exe" /rl HIGHEST /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g5mwbi2o.a5z.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\pkriot1.exe

    Filesize

    3.1MB

    MD5

    9a3043abedc95a0a1c5d4fdb50e62d34

    SHA1

    2f432259c81f112905e24016191a1186e4fbdc88

    SHA256

    18df830ce713c45edf04f76b23da7e5f1c57bcacd26b075ed94904da6bf94f74

    SHA512

    fb7f692b1b035d732a175b40760baacc6f7ccfa88ca26da0f74eda2fb542a9e10c47c1309b60caf7169cb7a9035e8e2083ed5e5c2bc4292c9ef5e1c85ecf7c1c

  • C:\Users\Admin\AppData\Local\Temp\pkriot3.exe

    Filesize

    93KB

    MD5

    55e2016fcb659bdf0f46a24ef2876609

    SHA1

    5afb69f26ddf1884372643a2b00d16a481fc7c26

    SHA256

    3825fe6fd9e8754b3d4a374b8c73884647c6898d5e1220a0fe89b1a3dc8e35c4

    SHA512

    4de0fb035b904bd2557d48aacfea53346748e0dbda86b710ee86796c374c37fd35e50f4d8b05cd1c058f95665894629f8848f4bce45378c00ced771baaea3e46

  • C:\Users\Admin\AppData\Roaming\app

    Filesize

    5B

    MD5

    c2844bc9e1bd64168a727b0680ae4d90

    SHA1

    7bb263540de557f5a4e09c6c78b7dbb314a0df9a

    SHA256

    9c9701ab918368b615fc6a0dbeb5efa286a232d751982ae70b48ad6914bf01e5

    SHA512

    360953bb20d91539022fcb1becf4638970c4452816797a8dca65e3ae4a542302e6e89f0828087caaa63a0750aa78605f8034da7c8663fa4fc677c8f3e53655ed

  • memory/616-29-0x000000001BE80000-0x000000001BE90000-memory.dmp

    Filesize

    64KB

  • memory/616-20-0x00007FFEAA393000-0x00007FFEAA395000-memory.dmp

    Filesize

    8KB

  • memory/616-22-0x0000000000D10000-0x0000000001034000-memory.dmp

    Filesize

    3.1MB

  • memory/4460-64-0x000000001C210000-0x000000001C2C2000-memory.dmp

    Filesize

    712KB

  • memory/4460-63-0x000000001B8A0000-0x000000001B8F0000-memory.dmp

    Filesize

    320KB

  • memory/4492-21-0x0000000073272000-0x0000000073273000-memory.dmp

    Filesize

    4KB

  • memory/4492-25-0x0000000073270000-0x0000000073821000-memory.dmp

    Filesize

    5.7MB

  • memory/4492-24-0x0000000073270000-0x0000000073821000-memory.dmp

    Filesize

    5.7MB

  • memory/4492-43-0x0000000073270000-0x0000000073821000-memory.dmp

    Filesize

    5.7MB

  • memory/4804-42-0x0000000005E10000-0x0000000005E76000-memory.dmp

    Filesize

    408KB

  • memory/4804-66-0x00000000701D0000-0x000000007021C000-memory.dmp

    Filesize

    304KB

  • memory/4804-37-0x0000000005560000-0x0000000005582000-memory.dmp

    Filesize

    136KB

  • memory/4804-26-0x0000000005700000-0x0000000005D28000-memory.dmp

    Filesize

    6.2MB

  • memory/4804-51-0x0000000005E80000-0x00000000061D4000-memory.dmp

    Filesize

    3.3MB

  • memory/4804-27-0x0000000002A90000-0x0000000002AA0000-memory.dmp

    Filesize

    64KB

  • memory/4804-28-0x0000000002A90000-0x0000000002AA0000-memory.dmp

    Filesize

    64KB

  • memory/4804-61-0x0000000006430000-0x000000000644E000-memory.dmp

    Filesize

    120KB

  • memory/4804-62-0x0000000006990000-0x00000000069DC000-memory.dmp

    Filesize

    304KB

  • memory/4804-23-0x0000000002B20000-0x0000000002B56000-memory.dmp

    Filesize

    216KB

  • memory/4804-16-0x000000007383E000-0x000000007383F000-memory.dmp

    Filesize

    4KB

  • memory/4804-40-0x0000000005D30000-0x0000000005D96000-memory.dmp

    Filesize

    408KB

  • memory/4804-65-0x0000000007620000-0x0000000007652000-memory.dmp

    Filesize

    200KB

  • memory/4804-77-0x0000000007660000-0x0000000007703000-memory.dmp

    Filesize

    652KB

  • memory/4804-76-0x0000000006A10000-0x0000000006A2E000-memory.dmp

    Filesize

    120KB

  • memory/4804-78-0x0000000007DA0000-0x000000000841A000-memory.dmp

    Filesize

    6.5MB

  • memory/4804-79-0x0000000007760000-0x000000000777A000-memory.dmp

    Filesize

    104KB

  • memory/4804-80-0x00000000077E0000-0x00000000077EA000-memory.dmp

    Filesize

    40KB

  • memory/4804-93-0x00000000079E0000-0x0000000007A76000-memory.dmp

    Filesize

    600KB

  • memory/4804-106-0x0000000007960000-0x0000000007971000-memory.dmp

    Filesize

    68KB

  • memory/4804-107-0x00000000079A0000-0x00000000079AE000-memory.dmp

    Filesize

    56KB

  • memory/4804-108-0x00000000079B0000-0x00000000079C4000-memory.dmp

    Filesize

    80KB

  • memory/4804-109-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

    Filesize

    104KB

  • memory/4804-110-0x0000000007A80000-0x0000000007A88000-memory.dmp

    Filesize

    32KB