Analysis

  • user interaction
    yes
  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    14/04/2026, 04:35

General

  • Target
    8888888.exe
  • Size 1.2MB
  • Sample260414-e7r9ksb18n
  • SHA256 a23ef053cccf6a35fda9adc5f1702ba99a7be695107d3ba5d1ea8c9c258299e4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • qakbot

Version
  • 324.142

Botnet
  • spx133

Campaign
  • 1591267427

C2
  • 49.144.84.21:443

  • 189.159.133.162:995

  • 173.245.152.231:443

  • 77.237.181.212:995

  • 207.255.161.8:2078

  • 76.187.8.160:443

  • 207.255.161.8:2087

  • 98.219.77.197:443

  • 66.222.88.126:995

  • 207.255.161.8:32102

  • 108.58.9.238:995

  • 47.152.210.233:443

  • 1.40.42.4:443

  • 188.27.71.163:443

  • 82.127.193.151:2222

  • 104.50.141.139:995

  • 67.83.54.76:2222

  • 86.126.97.183:2222

  • 73.94.229.115:443

  • 47.35.182.97:443

Signatures

  • Family: Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • CryptOne packer 1 IoCs

    Detects CryptOne packer defined in NCC blogpost.

  • Executes dropped EXE 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 24 IoCs

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

  • 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 28 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8888888.exe
    "C:\Users\Admin\AppData\Local\Temp\8888888.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Users\Admin\AppData\Local\Temp\8888888.exe
      C:\Users\Admin\AppData\Local\Temp\8888888.exe /C
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      PID:624
    • C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe /C
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:408
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mlcqbgycx /tr "\"C:\Users\Admin\AppData\Local\Temp\8888888.exe\" /I mlcqbgycx" /SC ONCE /Z /ST 05:38 /ET 05:50
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2152
  • C:\Users\Admin\AppData\Local\Temp\8888888.exe
    "C:\Users\Admin\AppData\Local\Temp\8888888.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Users\Admin\AppData\Local\Temp\8888888.exe
      C:\Users\Admin\AppData\Local\Temp\8888888.exe /C
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      PID:2356
    • C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe /C
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:3832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gvdnucoxpx /tr "\"C:\Users\Admin\AppData\Local\Temp\8888888.exe\" /I gvdnucoxpx" /SC ONCE /Z /ST 05:38 /ET 05:50
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3964

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        grewyzo.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.dat
        • Size 63B
        • SHA256 2b07f11c2e4be18a43a77eef49cdc2ab643b86c8ce7e1be73e5a2879f51a8402
        • MD5 SHA1 SHA512 TLSH

        grewyzo.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe
        • Size 1.2MB
        • SHA256 a23ef053cccf6a35fda9adc5f1702ba99a7be695107d3ba5d1ea8c9c258299e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/220-63-0x0000000000970000-0x0000000000BF1000-memory.dmp

        memory/220-62-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/220-56-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/220-51-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/220-52-0x0000000000970000-0x0000000000BF1000-memory.dmp

        memory/396-26-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/396-39-0x0000000000A40000-0x0000000000CC1000-memory.dmp

        memory/396-23-0x0000000000A40000-0x0000000000CC1000-memory.dmp

        memory/396-22-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/396-38-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/408-30-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/408-28-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/408-29-0x00000000009C0000-0x0000000000C41000-memory.dmp

        memory/408-31-0x00000000009C0000-0x0000000000C41000-memory.dmp

        memory/624-5-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/624-6-0x0000000000980000-0x0000000000C01000-memory.dmp

        memory/624-8-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/624-7-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/624-9-0x0000000000980000-0x0000000000C01000-memory.dmp

        memory/2356-35-0x00000000009B0000-0x0000000000C31000-memory.dmp

        memory/2356-32-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/2356-33-0x00000000009B0000-0x0000000000C31000-memory.dmp

        memory/2356-34-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/3232-17-0x0000000000950000-0x0000000000BD1000-memory.dmp

        memory/3232-0-0x000000000050B000-0x000000000050D000-memory.dmp

        memory/3232-2-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/3232-1-0x0000000000950000-0x0000000000BD1000-memory.dmp

        memory/3232-3-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/3232-18-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/3832-61-0x0000000000930000-0x0000000000BB1000-memory.dmp

        memory/3832-60-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/3832-59-0x0000000000930000-0x0000000000BB1000-memory.dmp

        memory/3832-58-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/4036-50-0x00000000015D0000-0x0000000001601000-memory.dmp

        memory/4036-49-0x00000000015B0000-0x00000000015C5000-memory.dmp

        memory/4036-42-0x0000000001610000-0x0000000001643000-memory.dmp

        memory/4036-43-0x0000000001610000-0x0000000001643000-memory.dmp

        memory/4036-46-0x0000000001610000-0x0000000001643000-memory.dmp

        memory/4036-40-0x0000000001610000-0x0000000001643000-memory.dmp

        memory/4936-24-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/4936-45-0x0000000000870000-0x0000000000AF1000-memory.dmp

        memory/4936-41-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/4936-19-0x0000000000400000-0x000000000052D000-memory.dmp

        memory/4936-20-0x0000000000870000-0x0000000000AF1000-memory.dmp