Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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 8 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 5 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 49 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 32 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:3128
    • 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:2780
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\1C38C0~1.DLL,MSIPVg==
        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:3828
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\1C38C0~1.DLL
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2020
        • C:\Windows\SysWOW64\RUNDLL32.EXE
          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\1C38C0~1.DLL,XTUnMlQ4U2k=
          4⤵
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2820
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 17897
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:2484
            • C:\Windows\system32\ctfmon.exe
              ctfmon.exe
              6⤵
                PID:1524
          • 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\tmpC341.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:404
          • 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\tmpCDF.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1376
            • C:\Windows\SysWOW64\nslookup.exe
              "C:\Windows\system32\nslookup.exe" -type=any localhost
              5⤵
                PID:360
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1636
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                4⤵
                  PID:3816

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                memory/404-171-0x0000000006F60000-0x0000000006F61000-memory.dmp

                memory/404-267-0x0000000006F63000-0x0000000006F64000-memory.dmp

                memory/404-202-0x0000000007200000-0x0000000007201000-memory.dmp

                memory/404-172-0x0000000006F62000-0x0000000006F63000-memory.dmp

                memory/404-168-0x0000000004A30000-0x0000000004A31000-memory.dmp

                memory/404-167-0x0000000004A30000-0x0000000004A31000-memory.dmp

                memory/1376-376-0x0000000004620000-0x0000000004621000-memory.dmp

                memory/1376-378-0x0000000004622000-0x0000000004623000-memory.dmp

                memory/1376-450-0x0000000004623000-0x0000000004624000-memory.dmp

                memory/2020-194-0x0000000007C50000-0x0000000007C51000-memory.dmp

                memory/2020-132-0x0000000000930000-0x0000000000931000-memory.dmp

                memory/2020-144-0x0000000007530000-0x0000000007531000-memory.dmp

                memory/2020-145-0x00000000076A0000-0x00000000076A1000-memory.dmp

                memory/2020-204-0x00000000067D3000-0x00000000067D4000-memory.dmp

                memory/2020-149-0x0000000007830000-0x0000000007831000-memory.dmp

                memory/2020-134-0x0000000000930000-0x0000000000931000-memory.dmp

                memory/2020-137-0x0000000006780000-0x0000000006781000-memory.dmp

                memory/2020-201-0x0000000008FF0000-0x0000000008FF1000-memory.dmp

                memory/2020-197-0x000000007F760000-0x000000007F761000-memory.dmp

                memory/2020-186-0x0000000008EC0000-0x0000000008EF3000-memory.dmp

                memory/2020-174-0x0000000000930000-0x0000000000931000-memory.dmp

                memory/2020-138-0x0000000006E10000-0x0000000006E11000-memory.dmp

                memory/2020-139-0x00000000067D0000-0x00000000067D1000-memory.dmp

                memory/2020-140-0x00000000067D2000-0x00000000067D3000-memory.dmp

                memory/2020-166-0x0000000007F60000-0x0000000007F61000-memory.dmp

                memory/2020-142-0x0000000006DC0000-0x0000000006DC1000-memory.dmp

                memory/2020-163-0x0000000007710000-0x0000000007711000-memory.dmp

                memory/2020-164-0x0000000007E90000-0x0000000007E91000-memory.dmp

                memory/2484-161-0x000001E8F3AF0000-0x000001E8F3CA2000-memory.dmp

                memory/2484-160-0x0000000000830000-0x00000000009D0000-memory.dmp

                memory/2484-159-0x000001E8F38E0000-0x000001E8F38E2000-memory.dmp

                memory/2484-158-0x000001E8F38E0000-0x000001E8F38E2000-memory.dmp

                memory/2780-123-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

                memory/2780-121-0x0000000000C70000-0x0000000000DD3000-memory.dmp

                memory/2780-122-0x00000000047A1000-0x0000000005785000-memory.dmp

                memory/2820-155-0x00000000064D0000-0x0000000006610000-memory.dmp

                memory/2820-154-0x00000000064D0000-0x0000000006610000-memory.dmp

                memory/2820-152-0x00000000064D0000-0x0000000006610000-memory.dmp

                memory/2820-151-0x00000000064D0000-0x0000000006610000-memory.dmp

                memory/2820-148-0x00000000064D0000-0x0000000006610000-memory.dmp

                memory/2820-147-0x00000000064D0000-0x0000000006610000-memory.dmp

                memory/2820-146-0x0000000003510000-0x0000000003511000-memory.dmp

                memory/2820-141-0x0000000005421000-0x0000000006405000-memory.dmp

                memory/2820-143-0x0000000000570000-0x0000000000571000-memory.dmp

                memory/2820-153-0x0000000003520000-0x0000000003521000-memory.dmp

                memory/3128-114-0x0000000002EB8000-0x0000000002FA8000-memory.dmp

                memory/3128-116-0x0000000000400000-0x0000000002C57000-memory.dmp

                memory/3128-115-0x0000000002FB0000-0x00000000030B6000-memory.dmp

                memory/3828-127-0x0000000004380000-0x00000000044E3000-memory.dmp

                memory/3828-129-0x0000000004871000-0x0000000005855000-memory.dmp

                memory/3828-130-0x0000000005870000-0x0000000005871000-memory.dmp