Analysis

  • max time kernel
    143s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    08/10/2021, 07:33

General

  • Target
    1c38c0b56969a81e7adf89eac12e0d0e.exe
  • Size 1.1MB
  • Sample211008-jdj4bsdfem
  • SHA256 7bf358e7bffe42b707987d1e14465a5fd91fb4468b8bb5cc2bda2fd95ef801d1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • danabot

C2
  • 142.11.242.31:443

  • 192.119.110.73:443

  • 192.210.222.88:443

Attributes
  • embedded_hash

    F4711E27D559B4AEB1A081A1EB0AC465

  • type

    loader

rsa_pubkey.plain
rsa_privkey.plain

Extracted

Family
  • danabot

Version
  • 2052

Botnet
  • 4

C2
  • 142.11.242.31:443

  • 192.119.110.73:443

  • 192.210.222.88:443

Attributes
  • embedded_hash

    F4711E27D559B4AEB1A081A1EB0AC465

  • type

    main

rsa_privkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

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

  • Danabot Loader Component 17 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 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 50 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c38c0b56969a81e7adf89eac12e0d0e.exe
    "C:\Users\Admin\AppData\Local\Temp\1c38c0b56969a81e7adf89eac12e0d0e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:612
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\1C38C0~1.DLL,s C:\Users\Admin\AppData\Local\Temp\1C38C0~1.EXE
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1760
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\1C38C0~1.DLL,Qz0GVDhRS1E=
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook accounts
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:1640
        • C:\Windows\SysWOW64\RUNDLL32.EXE
          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\1C38C0~1.DLL,eVUjdUs=
          4⤵
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1564
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 17710
            5⤵
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:1204
            • C:\Windows\system32\ctfmon.exe
              ctfmon.exe
              6⤵
                PID:1360
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp2491.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1048
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp403D.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:680
            • C:\Windows\SysWOW64\nslookup.exe
              "C:\Windows\system32\nslookup.exe" -type=any localhost
              5⤵
                PID:708
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:556
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                4⤵
                  PID:1324

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                memory/612-53-0x0000000000220000-0x0000000000310000-memory.dmp

                memory/612-54-0x0000000075651000-0x0000000075653000-memory.dmp

                memory/612-64-0x0000000000400000-0x0000000002C57000-memory.dmp

                memory/612-62-0x0000000002C60000-0x0000000002D66000-memory.dmp

                memory/680-112-0x0000000002300000-0x0000000002301000-memory.dmp

                memory/680-113-0x0000000002301000-0x0000000002302000-memory.dmp

                memory/680-114-0x0000000002302000-0x0000000002304000-memory.dmp

                memory/1048-105-0x0000000002320000-0x0000000002F6A000-memory.dmp

                memory/1048-107-0x0000000002320000-0x0000000002F6A000-memory.dmp

                memory/1048-106-0x0000000002320000-0x0000000002F6A000-memory.dmp

                memory/1204-92-0x0000000000110000-0x00000000002B0000-memory.dmp

                memory/1204-102-0x0000000001EE0000-0x0000000002092000-memory.dmp

                memory/1204-101-0x0000000000110000-0x00000000002B0000-memory.dmp

                memory/1204-99-0x000007FEFC271000-0x000007FEFC273000-memory.dmp

                memory/1564-95-0x00000000020E0000-0x0000000002220000-memory.dmp

                memory/1564-83-0x00000000008D0000-0x0000000000A33000-memory.dmp

                memory/1564-93-0x00000000020E0000-0x0000000002220000-memory.dmp

                memory/1564-86-0x0000000000A40000-0x0000000000A41000-memory.dmp

                memory/1564-94-0x00000000001E0000-0x00000000001E1000-memory.dmp

                memory/1564-91-0x00000000020E0000-0x0000000002220000-memory.dmp

                memory/1564-85-0x0000000002551000-0x0000000003535000-memory.dmp

                memory/1564-88-0x00000000020E0000-0x0000000002220000-memory.dmp

                memory/1564-89-0x00000000020E0000-0x0000000002220000-memory.dmp

                memory/1564-96-0x00000000020E0000-0x0000000002220000-memory.dmp

                memory/1564-87-0x00000000001D0000-0x00000000001D1000-memory.dmp

                memory/1640-75-0x0000000002521000-0x0000000003505000-memory.dmp

                memory/1640-73-0x0000000001CE0000-0x0000000001E43000-memory.dmp

                memory/1640-76-0x0000000001E50000-0x0000000001E51000-memory.dmp

                memory/1760-66-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

                memory/1760-65-0x0000000002641000-0x0000000003625000-memory.dmp

                memory/1760-63-0x0000000000A60000-0x0000000000BC3000-memory.dmp