Analysis

  • max time kernel
    173s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2025, 17:18

General

  • Target

    ExodusWallet.zip

  • Size

    12.0MB

  • MD5

    2472b364203ed098f6b8161ebf1df0c5

  • SHA1

    26a702b42f6b9b32c6fddcfb024fdbecf2ba2f60

  • SHA256

    1215214202d4b3103b6b88470dad2ce0836062703b040ac6a4cdfb4e97bcaa06

  • SHA512

    6c9da01c03ddf9040ea4e8016e34bdff2e380ada298c198a9255b28673c71cc4298648a81c4c19cc476b3aef0e7d2cec9887094b8a21fc39fd781d0df4c620af

  • SSDEEP

    393216:ZOHNU+3jtX4w1bzNTAorDGt36R0D7hGR/o/yW:Qt7jtX7/TAorDUk+7uvW

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

larpvault

C2

195.177.94.58:7000

Mutex

7e03e3fb-22c0-4bc3-91c5-b78b68c8c267

Attributes
  • encryption_key

    0DE96920F31CF665B8020E803D1D5541E1FEA3E5

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Modded Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\ExodusWallet.zip
    1⤵
      PID:5640
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:5892
      • C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe
        "C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2856
      • C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe
        "C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1832
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /7
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1168
      • C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe
        "C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4224
      • C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe
        "C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1512
      • C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe
        "C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5272
      • C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe
        "C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1544
      • C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe
        "C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5640
      • C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe
        "C:\Users\Admin\Desktop\ExodusWallet\ExodusLoader.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5048
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ExodusWallet\Exodus.dll
          2⤵
          • Opens file in notepad (likely ransom note)
          PID:960

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ExodusLoader.exe.log

        Filesize

        1KB

        MD5

        baf55b95da4a601229647f25dad12878

        SHA1

        abc16954ebfd213733c4493fc1910164d825cac8

        SHA256

        ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

        SHA512

        24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

      • memory/1168-18-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-16-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-14-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-15-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-8-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-17-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-10-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-9-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-20-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/1168-19-0x000001FF848B0000-0x000001FF848B1000-memory.dmp

        Filesize

        4KB

      • memory/2856-2-0x00007FFAFD190000-0x00007FFAFDC51000-memory.dmp

        Filesize

        10.8MB

      • memory/2856-0-0x00007FFAFD193000-0x00007FFAFD195000-memory.dmp

        Filesize

        8KB

      • memory/2856-7-0x00007FFAFD190000-0x00007FFAFDC51000-memory.dmp

        Filesize

        10.8MB

      • memory/2856-6-0x00007FFAFD193000-0x00007FFAFD195000-memory.dmp

        Filesize

        8KB

      • memory/2856-4-0x000000001B850000-0x000000001B902000-memory.dmp

        Filesize

        712KB

      • memory/2856-3-0x000000001B4B0000-0x000000001B500000-memory.dmp

        Filesize

        320KB

      • memory/2856-1-0x0000000000850000-0x0000000000908000-memory.dmp

        Filesize

        736KB

      • memory/2856-22-0x00007FFAFD190000-0x00007FFAFDC51000-memory.dmp

        Filesize

        10.8MB