Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2025 20:19

General

  • Target

    CrunchyrollCheckerbyxRisky.exe

  • Size

    2.2MB

  • MD5

    c1569f6f8a566286be9c1462a45439f0

  • SHA1

    495666664562a811021e044228917b25a8a9c0b6

  • SHA256

    34c5044ae9b4eaea508f2444a2bdc861b5baef9839950e7f0ac8f478119b7923

  • SHA512

    0fb49a006c99c59bb5b55df40a108bdff3cbe01830af5ce051c61fff1a631ea8fdb8153aa7bb0739415fe97fbf67830c3c3228f901e8b2c9f0c39f2cda1e135f

  • SSDEEP

    49152:gRArNHv39/gvqDZEsLXN4c1ILuo2iue915Y:4uNHvt/lEe0uo21e9

Malware Config

Extracted

Family

redline

Botnet

UltimateCrackPack

C2

51.83.170.23:16128

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • Redline family
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Sectoprat family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CrunchyrollCheckerbyxRisky.exe
    "C:\Users\Admin\AppData\Local\Temp\CrunchyrollCheckerbyxRisky.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Admin\AppData\Local\Temp\Ultimate-Crack-Pack.exe
      "C:\Users\Admin\AppData\Local\Temp\Ultimate-Crack-Pack.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:412
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'msconfig.exe';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'msconfig.exe' -Value '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\System Configuration\msconfig.exe.exe"' -PropertyType 'String'
        3⤵
        • Adds Run key to start application
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2768
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3972
    • C:\Users\Admin\AppData\Local\Temp\Crunchyroll Checker by xRisky.exe
      "C:\Users\Admin\AppData\Local\Temp\Crunchyroll Checker by xRisky.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Crunchyroll Checker by xRisky.exe

    Filesize

    1.6MB

    MD5

    08b38d8dfed76440354393c3a83a06e2

    SHA1

    28fb407cf185284a3c7e3616e15caa7c03d37ae3

    SHA256

    fd8b6add3cf06c7941cd85cd8741d7e639fced8b4ec2fcb96d58e7bbab334185

    SHA512

    4f7417b3b047f21e9ffe620bf9891a8ea6f46780515ff6d7e558b5bd7f0716797e056afbe44ac68c754fb8551d02d995474b39275d7841ce6cc664c9222120ab

  • C:\Users\Admin\AppData\Local\Temp\Leaf.xNet.dll

    Filesize

    115KB

    MD5

    42cf916df4ea1d300201ec9559b7bef3

    SHA1

    f58abe0ad5f3e033a9dbebcebd02692c5d35936d

    SHA256

    939c8980bcb9bd9a2279714f6086714229e7af194ec4e32677c5a4ed96db5edd

    SHA512

    2d03d21b369b9784329573e8219553f4c6b3cae66515ebe7409154c7457e3cfb95f8dfac5bae57820ade2a5219dd7d10ce34d72ec8971b2fbb7024a5a23cc1ed

  • C:\Users\Admin\AppData\Local\Temp\MetroSuite 2.0.dll

    Filesize

    305KB

    MD5

    0d30a398cec0ff006b6ea2b52d11e744

    SHA1

    4ceebd9c6180a321c4d4f3cfb5cfc3952bf72b45

    SHA256

    8604bf2a1fe2e94dc1ea1fbd0cf54e77303493b93994df48479dc683580aa654

    SHA512

    8e06ff131a81e73b1ff5de78262701a11ecc2bcdaf41011f4e96f11c5372742478e70b6a0901b61953c21c95725532af8d785654405ec5066ad157e2143467cc

  • C:\Users\Admin\AppData\Local\Temp\Ultimate-Crack-Pack.exe

    Filesize

    115KB

    MD5

    dc6f230a993249cbe632aea3edbbd63e

    SHA1

    ee67ed14eb647918d0d7ffd11ba7b665eeb19c27

    SHA256

    a6c001e47fd68b6c97fa484c5c98f918eed5d231bd8f1a4e4ad65af20788118b

    SHA512

    7e9b46e5d8e8fa609c839d570cf6cf80c7464de553f094e02b6f86e96dc81ce65a1f5f071acd6fadec9d1f4690f48972d4425a7dc2bb0bab7d0588eae81fa5e2

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rbkz2pff.up3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/412-63-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/412-29-0x0000000005510000-0x0000000005AB4000-memory.dmp

    Filesize

    5.6MB

  • memory/412-30-0x0000000005000000-0x0000000005092000-memory.dmp

    Filesize

    584KB

  • memory/412-28-0x00000000006E0000-0x0000000000704000-memory.dmp

    Filesize

    144KB

  • memory/412-32-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

    Filesize

    40KB

  • memory/412-57-0x00000000052D0000-0x00000000052EE000-memory.dmp

    Filesize

    120KB

  • memory/412-33-0x0000000005250000-0x00000000052C6000-memory.dmp

    Filesize

    472KB

  • memory/412-56-0x0000000004FB0000-0x0000000004FD2000-memory.dmp

    Filesize

    136KB

  • memory/412-54-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/412-51-0x000000007517E000-0x000000007517F000-memory.dmp

    Filesize

    4KB

  • memory/412-27-0x000000007517E000-0x000000007517F000-memory.dmp

    Filesize

    4KB

  • memory/412-39-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2768-66-0x0000000005CF0000-0x0000000005D56000-memory.dmp

    Filesize

    408KB

  • memory/2768-61-0x0000000002A50000-0x0000000002A86000-memory.dmp

    Filesize

    216KB

  • memory/2768-84-0x0000000006830000-0x000000000684A000-memory.dmp

    Filesize

    104KB

  • memory/2768-85-0x0000000006880000-0x00000000068A2000-memory.dmp

    Filesize

    136KB

  • memory/2768-83-0x0000000007320000-0x00000000073B6000-memory.dmp

    Filesize

    600KB

  • memory/2768-81-0x0000000006350000-0x000000000636E000-memory.dmp

    Filesize

    120KB

  • memory/2768-72-0x0000000005D60000-0x00000000060B4000-memory.dmp

    Filesize

    3.3MB

  • memory/2768-65-0x0000000005C80000-0x0000000005CE6000-memory.dmp

    Filesize

    408KB

  • memory/2768-64-0x0000000005470000-0x0000000005492000-memory.dmp

    Filesize

    136KB

  • memory/2768-62-0x00000000055E0000-0x0000000005C08000-memory.dmp

    Filesize

    6.2MB

  • memory/2872-52-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-50-0x0000000006100000-0x0000000006156000-memory.dmp

    Filesize

    344KB

  • memory/2872-34-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-45-0x0000000005920000-0x0000000005944000-memory.dmp

    Filesize

    144KB

  • memory/2872-36-0x0000000004F00000-0x0000000004F9C000-memory.dmp

    Filesize

    624KB

  • memory/2872-53-0x0000000000400000-0x000000000061B000-memory.dmp

    Filesize

    2.1MB

  • memory/2872-31-0x0000000005060000-0x00000000051B8000-memory.dmp

    Filesize

    1.3MB

  • memory/2872-41-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-37-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-40-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-49-0x0000000005DD0000-0x0000000005E24000-memory.dmp

    Filesize

    336KB

  • memory/2872-35-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2872-38-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/3972-73-0x00000000056F0000-0x0000000005D08000-memory.dmp

    Filesize

    6.1MB

  • memory/3972-79-0x0000000005110000-0x000000000514C000-memory.dmp

    Filesize

    240KB

  • memory/3972-80-0x0000000005150000-0x000000000519C000-memory.dmp

    Filesize

    304KB

  • memory/3972-74-0x00000000050A0000-0x00000000050B2000-memory.dmp

    Filesize

    72KB

  • memory/3972-82-0x00000000053B0000-0x00000000054BA000-memory.dmp

    Filesize

    1.0MB

  • memory/3972-59-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4636-1-0x00000000000F0000-0x000000000032A000-memory.dmp

    Filesize

    2.2MB

  • memory/4636-0-0x00007FF9F5A73000-0x00007FF9F5A75000-memory.dmp

    Filesize

    8KB