Resubmissions

13/08/2021, 10:35

210813-9sna9fc63s10

13/08/2021, 08:36

210813-529kk34ars10

13/08/2021, 01:31

210813-aa9188tlf610

Analysis

  • max time kernel
    142s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13/08/2021, 10:35

General

  • Target
    cNjqsBS.bin.dll
  • Size 1.3MB
  • Sample210813-9sna9fc63s
  • SHA256 716e5a3d29ff525aed30c18061daff4b496f3f828ba2ac763efd857062a42e96
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • danabot

Version
  • 1987

Botnet
  • 15

C2
  • 192.52.167.44:443

  • 192.52.166.92:443

  • 192.52.167.45:443

  • 173.254.204.95:443

Attributes
  • embedded_hash

    0A6B28F69364E1A0FC443E2439A8AD23

rsa_privkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

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

  • Danabot Loader Component 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 27 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cNjqsBS.bin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cNjqsBS.bin.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\cNjqsBS.bin.dll,MgAyRTkzREU=
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of SetThreadContext
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3632
        • C:\Windows\system32\rundll32.exe
          C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 17894
          4⤵
            PID:2268
          • 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\tmpE5A3.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3024
          • 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\tmpD51.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1052
            • C:\Windows\SysWOW64\nslookup.exe
              "C:\Windows\system32\nslookup.exe" -type=any localhost
              5⤵
                PID:3772
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:2772
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                4⤵
                  PID:808

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                memory/1052-176-0x00000000050A2000-0x00000000050A3000-memory.dmp

                memory/1052-175-0x00000000050A0000-0x00000000050A1000-memory.dmp

                memory/1052-172-0x0000000008AF0000-0x0000000008AF1000-memory.dmp

                memory/1052-186-0x00000000050A3000-0x00000000050A4000-memory.dmp

                memory/1052-169-0x00000000083C0000-0x00000000083C1000-memory.dmp

                memory/2268-133-0x0000017B79610000-0x0000017B797C1000-memory.dmp

                memory/2268-132-0x0000000000330000-0x00000000004D0000-memory.dmp

                memory/3024-159-0x0000000006D13000-0x0000000006D14000-memory.dmp

                memory/3024-145-0x0000000007AD0000-0x0000000007AD1000-memory.dmp

                memory/3024-146-0x0000000008330000-0x0000000008331000-memory.dmp

                memory/3024-147-0x0000000008380000-0x0000000008381000-memory.dmp

                memory/3024-139-0x0000000007350000-0x0000000007351000-memory.dmp

                memory/3024-149-0x0000000006E30000-0x0000000006E31000-memory.dmp

                memory/3024-154-0x0000000009A80000-0x0000000009A81000-memory.dmp

                memory/3024-155-0x0000000009020000-0x0000000009021000-memory.dmp

                memory/3024-156-0x00000000084A0000-0x00000000084A1000-memory.dmp

                memory/3024-138-0x0000000006D10000-0x0000000006D11000-memory.dmp

                memory/3024-140-0x0000000006D12000-0x0000000006D13000-memory.dmp

                memory/3024-137-0x0000000006B30000-0x0000000006B31000-memory.dmp

                memory/3024-144-0x0000000007BD0000-0x0000000007BD1000-memory.dmp

                memory/3024-141-0x0000000007120000-0x0000000007121000-memory.dmp

                memory/3024-143-0x0000000007AF0000-0x0000000007AF1000-memory.dmp

                memory/3024-142-0x00000000072A0000-0x00000000072A1000-memory.dmp

                memory/3548-120-0x0000000004AD0000-0x0000000005D66000-memory.dmp

                memory/3548-115-0x0000000000ED0000-0x0000000000F7E000-memory.dmp

                memory/3632-131-0x00000000008E0000-0x00000000008E1000-memory.dmp

                memory/3632-122-0x0000000004790000-0x0000000005A26000-memory.dmp

                memory/3632-118-0x0000000000CA0000-0x0000000000DFE000-memory.dmp