Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    25-10-2021 23:26

General

  • Target

    F3C6EC081B07206679C92B3CE2066FE2DB39E8977C650.exe

  • Size

    295KB

  • MD5

    33ae78ba3dd28456aeb110525cfa1b4c

  • SHA1

    cea136aaf614cdf028f23534c89609393f05b158

  • SHA256

    f3c6ec081b07206679c92b3ce2066fe2db39e8977c650bf126cfd390637ae651

  • SHA512

    dcd9da59e091d9df63e53e8dd672f0c51674a69effec7f8b41202d84fc968e153f65578db6eee266bea52f9af3d18d5dd8823dc264b6ff61d9a7020356eb7ffe

Malware Config

Signatures

  • BetaBot

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

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

    suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

  • 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.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\F3C6EC081B07206679C92B3CE2066FE2DB39E8977C650.exe
    "C:\Users\Admin\AppData\Local\Temp\F3C6EC081B07206679C92B3CE2066FE2DB39E8977C650.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3388
    • C:\Users\Admin\AppData\Local\Temp\F3C6EC081B07206679C92B3CE2066FE2DB39E8977C650.exe
      "C:\Users\Admin\AppData\Local\Temp\F3C6EC081B07206679C92B3CE2066FE2DB39E8977C650.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:2288
      • 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
        • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1184

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

5
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsh1412.tmp\System.dll
    MD5

    3f176d1ee13b0d7d6bd92e1c7a0b9bae

    SHA1

    fe582246792774c2c9dd15639ffa0aca90d6fd0b

    SHA256

    fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    SHA512

    0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

  • memory/1184-126-0x0000000000000000-mapping.dmp
  • memory/1184-132-0x0000000005FE0000-0x0000000005FE2000-memory.dmp
    Filesize

    8KB

  • memory/1184-130-0x00000000010A0000-0x00000000010A1000-memory.dmp
    Filesize

    4KB

  • memory/1184-129-0x00000000008B0000-0x00000000009E6000-memory.dmp
    Filesize

    1.2MB

  • memory/1184-128-0x0000000000470000-0x0000000000523000-memory.dmp
    Filesize

    716KB

  • memory/1184-127-0x00000000011A0000-0x00000000015DF000-memory.dmp
    Filesize

    4.2MB

  • memory/2288-119-0x0000000000400000-0x0000000000435000-memory.dmp
    Filesize

    212KB

  • memory/2288-122-0x0000000002180000-0x00000000021E6000-memory.dmp
    Filesize

    408KB

  • memory/2288-124-0x0000000002670000-0x000000000267C000-memory.dmp
    Filesize

    48KB

  • memory/2288-123-0x0000000000550000-0x000000000069A000-memory.dmp
    Filesize

    1.3MB

  • memory/2288-121-0x0000000000510000-0x000000000051D000-memory.dmp
    Filesize

    52KB

  • memory/2288-120-0x0000000002180000-0x00000000021E6000-memory.dmp
    Filesize

    408KB

  • memory/2288-118-0x0000000000400000-0x0000000000435000-memory.dmp
    Filesize

    212KB

  • memory/2288-131-0x0000000000900000-0x0000000000901000-memory.dmp
    Filesize

    4KB

  • memory/2288-117-0x00000000004015C6-mapping.dmp