Analysis

  • max time kernel
    144s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    06-01-2022 13:19

General

  • Target

    dana2_main_module.dll

  • Size

    14.9MB

  • MD5

    ccc1cb042ebb862832cc9f593c83a840

  • SHA1

    ffdb2747bbfca03ea0b469a11926957f79a6fe18

  • SHA256

    4fa6dcec96075d9e5a69d728d69b1e32fd59be3598742221a3704505fc073935

  • SHA512

    4ddeed3a27ecb84905f79281bb2c27089351bc09266090acfaa0082eefdaeabcb95eb0657d824b9da4ce9787679c123107b92ad1007ca3c5def132468e37d4e2

Malware Config

Extracted

Family

danabot

Version

2108

Botnet

4

C2

142.11.244.223:443

192.236.194.72:443

192.119.110.4:443

Attributes
  • embedded_hash

    8357B947FCA843DB2D85EC29EDCDEF3C

  • type

    main

rsa_privkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

    Danabot is a modular banking Trojan that has been linked with other malware.

  • Blocklisted process makes network request 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs
  • Sets service image path in registry 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 3 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 64 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dana2_main_module.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:600
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dana2_main_module.dll,#1
      2⤵
      • Checks processor information in registry
      PID:944
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k LocalService
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Windows\SysWOW64\RUNDLL32.EXE
      C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\dana2_main_module.dll,hmAmT0FwUg==
      2⤵
      • Blocklisted process makes network request
      • Drops file in System32 directory
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:564
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\dana2_main_module.dll,lWIyTDhqNw==
        3⤵
        • Suspicious use of SetThreadContext
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1776
        • C:\Windows\system32\rundll32.exe
          C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 7295
          4⤵
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1380
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            5⤵
              PID:2028

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/520-58-0x00000000022F0000-0x00000000032F1000-memory.dmp

      Filesize

      16.0MB

    • memory/520-60-0x0000000003410000-0x0000000003411000-memory.dmp

      Filesize

      4KB

    • memory/564-64-0x00000000031A0000-0x00000000031A1000-memory.dmp

      Filesize

      4KB

    • memory/564-61-0x0000000000000000-mapping.dmp

    • memory/944-57-0x00000000031A0000-0x00000000031A1000-memory.dmp

      Filesize

      4KB

    • memory/944-56-0x0000000002180000-0x0000000003181000-memory.dmp

      Filesize

      16.0MB

    • memory/944-55-0x0000000076151000-0x0000000076153000-memory.dmp

      Filesize

      8KB

    • memory/944-54-0x0000000000000000-mapping.dmp

    • memory/1380-74-0x0000000000170000-0x0000000000321000-memory.dmp

      Filesize

      1.7MB

    • memory/1380-83-0x000007FEFBC11000-0x000007FEFBC13000-memory.dmp

      Filesize

      8KB

    • memory/1380-82-0x0000000001DD0000-0x0000000001F92000-memory.dmp

      Filesize

      1.8MB

    • memory/1380-81-0x0000000000170000-0x0000000000321000-memory.dmp

      Filesize

      1.7MB

    • memory/1380-79-0x00000000FFCB3CEC-mapping.dmp

    • memory/1776-70-0x0000000000BF0000-0x0000000000D30000-memory.dmp

      Filesize

      1.2MB

    • memory/1776-77-0x0000000000BF0000-0x0000000000D30000-memory.dmp

      Filesize

      1.2MB

    • memory/1776-76-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/1776-75-0x0000000000BF0000-0x0000000000D30000-memory.dmp

      Filesize

      1.2MB

    • memory/1776-78-0x0000000000BF0000-0x0000000000D30000-memory.dmp

      Filesize

      1.2MB

    • memory/1776-73-0x0000000000BF0000-0x0000000000D30000-memory.dmp

      Filesize

      1.2MB

    • memory/1776-71-0x0000000000BF0000-0x0000000000D30000-memory.dmp

      Filesize

      1.2MB

    • memory/1776-69-0x00000000001E0000-0x00000000001E1000-memory.dmp

      Filesize

      4KB

    • memory/1776-65-0x0000000000000000-mapping.dmp

    • memory/2028-84-0x0000000000000000-mapping.dmp