Analysis

  • max time kernel
    149s
  • max time network
    72s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    04-09-2020 05:26

General

  • Target

    div.exe

  • Size

    476KB

  • MD5

    1fab5b2e8a75f5e6d0ab336c75a45d3e

  • SHA1

    a77526cc5cdf4ea8abb31a6324c2282f1db351c9

  • SHA256

    973b3d66cf3f04d5be0e10dfa5ab24fbc8c5d2b58cc5728d81a448dbe079f4e6

  • SHA512

    a47e0ad3700c1005064170964ae3e3e09d63f9a08e3723f1a880023f5333a53d85859ed866570e14e03283664514b35c3d588761d07413b1261de70ab5a52508

Malware Config

Signatures

  • BetaBot

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

  • Modifies firewall policy service 2 TTPs 4 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.

  • Loads dropped DLL 1 IoCs
  • 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 9 IoCs
  • Drops file in Windows directory 1 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 settings 1 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 86 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\div.exe
    "C:\Users\Admin\AppData\Local\Temp\div.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe ShoonCataclysm,Uboats
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:188
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2300
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • 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 settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1220
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:3844

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

4
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Bonehead
  • C:\Users\Admin\AppData\Local\Temp\ShoonCataclysm.DLL
  • \Users\Admin\AppData\Local\Temp\ShoonCataclysm.dll
  • memory/188-0-0x0000000000000000-mapping.dmp
  • memory/188-4-0x0000000004B90000-0x0000000004BC5000-memory.dmp
    Filesize

    212KB

  • memory/1220-9-0x0000000000000000-mapping.dmp
  • memory/1220-10-0x0000000000950000-0x0000000000D90000-memory.dmp
    Filesize

    4.2MB

  • memory/1220-11-0x0000000000950000-0x0000000000D90000-memory.dmp
    Filesize

    4.2MB

  • memory/2300-5-0x0000000000000000-mapping.dmp
  • memory/2300-6-0x0000000000400000-0x0000000000435000-memory.dmp
    Filesize

    212KB

  • memory/2300-7-0x0000000004D20000-0x0000000004DC2000-memory.dmp
    Filesize

    648KB

  • memory/2300-8-0x00000000052B0000-0x00000000056F0000-memory.dmp
    Filesize

    4.2MB