Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    04-11-2020 19:39

General

  • Target

    Propuesta__estrategia.exe

  • Size

    737KB

  • MD5

    1522721771bb8874e0fb7b721047ad59

  • SHA1

    630962f13ab5d00d762a4c14b7a91ab170de6b8d

  • SHA256

    037a3fc1820352b1369d4fcf5719c6607c6c0204cdc57f78b54f07701b5b2437

  • SHA512

    7eb6a34c34c27d611f101856de416422f64d020a5032974bf4cee81ed723f41cf686f0a4be7e49d3ca2b51906baa2c16cbd659406b576c81a7f2aef2922ed17e

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 1 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 10 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 32 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Propuesta__estrategia.exe
    "C:\Users\Admin\AppData\Local\Temp\Propuesta__estrategia.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:424
    • C:\Users\Admin\AppData\Local\Temp\Propuesta__estrategia.exe
      "C:\Users\Admin\AppData\Local\Temp\Propuesta__estrategia.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:1724
      • 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:2208
        • C:\Users\Admin\AppData\Local\Temp\s97k353aw99q79_1.exe
          /suac
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          PID:200

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\s97k353aw99q79_1.exe
    MD5

    1522721771bb8874e0fb7b721047ad59

    SHA1

    630962f13ab5d00d762a4c14b7a91ab170de6b8d

    SHA256

    037a3fc1820352b1369d4fcf5719c6607c6c0204cdc57f78b54f07701b5b2437

    SHA512

    7eb6a34c34c27d611f101856de416422f64d020a5032974bf4cee81ed723f41cf686f0a4be7e49d3ca2b51906baa2c16cbd659406b576c81a7f2aef2922ed17e

  • C:\Users\Admin\AppData\Local\Temp\s97k353aw99q79_1.exe
    MD5

    1522721771bb8874e0fb7b721047ad59

    SHA1

    630962f13ab5d00d762a4c14b7a91ab170de6b8d

    SHA256

    037a3fc1820352b1369d4fcf5719c6607c6c0204cdc57f78b54f07701b5b2437

    SHA512

    7eb6a34c34c27d611f101856de416422f64d020a5032974bf4cee81ed723f41cf686f0a4be7e49d3ca2b51906baa2c16cbd659406b576c81a7f2aef2922ed17e

  • memory/200-8-0x0000000000000000-mapping.dmp
  • memory/1724-0-0x0000000000400000-0x0000000000435000-memory.dmp
    Filesize

    212KB

  • memory/1724-1-0x00000000004015C6-mapping.dmp
  • memory/1724-2-0x0000000000400000-0x0000000000435000-memory.dmp
    Filesize

    212KB

  • memory/1724-3-0x00000000027B0000-0x00000000028D2000-memory.dmp
    Filesize

    1.1MB

  • memory/1724-4-0x0000000002C00000-0x0000000003040000-memory.dmp
    Filesize

    4.2MB

  • memory/2208-5-0x0000000000000000-mapping.dmp
  • memory/2208-6-0x00000000002A0000-0x00000000006E0000-memory.dmp
    Filesize

    4.2MB

  • memory/2208-7-0x00000000002A0000-0x00000000006E0000-memory.dmp
    Filesize

    4.2MB