Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    05-11-2020 22:00

General

  • Target

    6ca72b7d95f2194e902cac169cabc9dff55335046f5edabe3d6b6bb3d9a22bee.exe

  • Size

    710KB

  • MD5

    3e01b25d00cf3a9d93e4d4934fbeb8d1

  • SHA1

    db596e58d89f5cbb2ac89c38f8a03a7b09aa90fa

  • SHA256

    6ca72b7d95f2194e902cac169cabc9dff55335046f5edabe3d6b6bb3d9a22bee

  • SHA512

    bcb72c63699f1353bd5d3e9a2e8a8e1ce85174d481a88821d99f8be5ffa59f4ff4ba3ef7a24725b3e09807ded257f39e6a5e7b3d17b6d975f76d33661292c672

Malware Config

Signatures

  • BetaBot

    Beta Bot is a Trojan that infects computers and disables Antivirus.

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Sets file execution options in registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ca72b7d95f2194e902cac169cabc9dff55335046f5edabe3d6b6bb3d9a22bee.exe
    "C:\Users\Admin\AppData\Local\Temp\6ca72b7d95f2194e902cac169cabc9dff55335046f5edabe3d6b6bb3d9a22bee.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\6ca72b7d95f2194e902cac169cabc9dff55335046f5edabe3d6b6bb3d9a22bee.exe
      "C:\Users\Admin\AppData\Local\Temp\6ca72b7d95f2194e902cac169cabc9dff55335046f5edabe3d6b6bb3d9a22bee.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: MapViewOfSection
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Modifies firewall policy service
        • Checks BIOS information in registry
        • Adds Run key to start application
        • Drops desktop.ini file(s)
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies Internet Explorer Protected Mode
        • Modifies Internet Explorer Protected Mode Banner
        • Modifies Internet Explorer settings
        • NTFS ADS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4200
        • C:\Users\Admin\AppData\Local\Temp\c75u59s5_1.exe
          /suac
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          PID:4092
        • C:\Users\Admin\AppData\Local\Temp\5ossye7sc9w75.exe
          "C:\Users\Admin\AppData\Local\Temp\5ossye7sc9w75.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          PID:3452
        • C:\Users\Admin\AppData\Local\Temp\k3a3i533.exe
          "C:\Users\Admin\AppData\Local\Temp\k3a3i533.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          PID:604

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

6
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\5ossye7sc9w75.exe
    MD5

    c7948777384f447d7964e80a5293810e

    SHA1

    035365a28bee0a196901f93932e1e62762ad20b4

    SHA256

    43c0f2925d3949ec5ae103a0423b35b65e5eed6676a64b5b642aaf5baf609f6c

    SHA512

    e5fca7eac77e9fc0a18f07782e4e810961c82f5c3a502f437fd982cf28918af909b28d1e5c2f85e765ceb1f1ecc2d202eb9911140af0fdb111ee38646fa49960

  • C:\Users\Admin\AppData\Local\Temp\5ossye7sc9w75.exe
    MD5

    c7948777384f447d7964e80a5293810e

    SHA1

    035365a28bee0a196901f93932e1e62762ad20b4

    SHA256

    43c0f2925d3949ec5ae103a0423b35b65e5eed6676a64b5b642aaf5baf609f6c

    SHA512

    e5fca7eac77e9fc0a18f07782e4e810961c82f5c3a502f437fd982cf28918af909b28d1e5c2f85e765ceb1f1ecc2d202eb9911140af0fdb111ee38646fa49960

  • C:\Users\Admin\AppData\Local\Temp\c75u59s5_1.exe
    MD5

    3e01b25d00cf3a9d93e4d4934fbeb8d1

    SHA1

    db596e58d89f5cbb2ac89c38f8a03a7b09aa90fa

    SHA256

    6ca72b7d95f2194e902cac169cabc9dff55335046f5edabe3d6b6bb3d9a22bee

    SHA512

    bcb72c63699f1353bd5d3e9a2e8a8e1ce85174d481a88821d99f8be5ffa59f4ff4ba3ef7a24725b3e09807ded257f39e6a5e7b3d17b6d975f76d33661292c672

  • C:\Users\Admin\AppData\Local\Temp\c75u59s5_1.exe
    MD5

    3e01b25d00cf3a9d93e4d4934fbeb8d1

    SHA1

    db596e58d89f5cbb2ac89c38f8a03a7b09aa90fa

    SHA256

    6ca72b7d95f2194e902cac169cabc9dff55335046f5edabe3d6b6bb3d9a22bee

    SHA512

    bcb72c63699f1353bd5d3e9a2e8a8e1ce85174d481a88821d99f8be5ffa59f4ff4ba3ef7a24725b3e09807ded257f39e6a5e7b3d17b6d975f76d33661292c672

  • C:\Users\Admin\AppData\Local\Temp\k3a3i533.exe
    MD5

    8b24634b0ef69cbe9c50db7fefbe302e

    SHA1

    4ff6c1f82191ab1ce371b432c6f9d9d2f2b9adcc

    SHA256

    f11b4d253e6e8ece1b9fec752dafa180bb4989505ae76a4356f9b373c617812e

    SHA512

    1e66c7d335f6cbed4e67613af07e1ac076fc0d2dc0f09cc756361daf765231b5d48ff9059bceff2aefcbe4d1078b776ad4f4b08164c0a6d3f5b873cc36414dd1

  • C:\Users\Admin\AppData\Local\Temp\k3a3i533.exe
    MD5

    8b24634b0ef69cbe9c50db7fefbe302e

    SHA1

    4ff6c1f82191ab1ce371b432c6f9d9d2f2b9adcc

    SHA256

    f11b4d253e6e8ece1b9fec752dafa180bb4989505ae76a4356f9b373c617812e

    SHA512

    1e66c7d335f6cbed4e67613af07e1ac076fc0d2dc0f09cc756361daf765231b5d48ff9059bceff2aefcbe4d1078b776ad4f4b08164c0a6d3f5b873cc36414dd1

  • memory/604-21-0x00000000003D0000-0x00000000003D1000-memory.dmp
    Filesize

    4KB

  • memory/604-20-0x00007FFBE2F60000-0x00007FFBE394C000-memory.dmp
    Filesize

    9.9MB

  • memory/604-17-0x0000000000000000-mapping.dmp
  • memory/3452-15-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
    Filesize

    4KB

  • memory/3452-11-0x0000000000000000-mapping.dmp
  • memory/3452-14-0x00007FFBE2F60000-0x00007FFBE394C000-memory.dmp
    Filesize

    9.9MB

  • memory/4092-8-0x0000000000000000-mapping.dmp
  • memory/4200-7-0x0000000000120000-0x0000000000560000-memory.dmp
    Filesize

    4.2MB

  • memory/4200-5-0x0000000000000000-mapping.dmp
  • memory/4200-6-0x0000000000120000-0x0000000000560000-memory.dmp
    Filesize

    4.2MB

  • memory/5024-0-0x0000000000400000-0x0000000000435000-memory.dmp
    Filesize

    212KB

  • memory/5024-4-0x0000000002C20000-0x0000000003060000-memory.dmp
    Filesize

    4.2MB

  • memory/5024-3-0x00000000027D0000-0x00000000028EB000-memory.dmp
    Filesize

    1.1MB

  • memory/5024-1-0x00000000004015C6-mapping.dmp
  • memory/5024-2-0x0000000000400000-0x0000000000435000-memory.dmp
    Filesize

    212KB