Analysis

  • max time kernel
    137s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 17:18

General

  • Target

    2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll

  • Size

    2.5MB

  • MD5

    de8b54a938ac18f15cad804d79a0e19d

  • SHA1

    b6004c62e2d9dbad9cfd5f7e18647ac983788766

  • SHA256

    2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd

  • SHA512

    7b64a99baafc8e692a47b9856f96b6bafa3cae22bd293c0e8faf148bdfe3f1401d5c316017b5c2f778d02ebc87edd2474e525b225ddc00685bb14da4c484e776

Malware Config

Extracted

Family

danabot

C2

185.158.250.216:443

194.76.225.46:443

45.11.180.153:443

194.76.225.61:443

Attributes
  • embedded_hash

    AD14EA44261341E3690FA8CC1E236523

  • type

    loader

rsa_pubkey.plain
rsa_privkey.plain

Extracted

Family

danabot

Version

2052

Botnet

40

C2

185.158.250.216:443

194.76.225.46:443

45.11.180.153:443

194.76.225.61:443

Attributes
  • embedded_hash

    AD14EA44261341E3690FA8CC1E236523

  • 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 3 IoCs
  • Suspicious use of NtCreateProcessExOtherParentProcess 2 IoCs
  • Blocklisted process makes network request 6 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.

  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 44 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 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1864
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll,eC5KQzhRbUg=
        3⤵
        • Blocklisted process makes network request
        • 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:748
        • 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\2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3140
        • C:\Windows\SysWOW64\RUNDLL32.EXE
          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll,o1hK
          4⤵
          • Suspicious use of SetThreadContext
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2700
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 19638
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:2312
            • C:\Windows\system32\ctfmon.exe
              ctfmon.exe
              6⤵
                PID:1320
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 1384
              5⤵
              • Suspicious use of NtCreateProcessExOtherParentProcess
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3204
          • 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\tmpD889.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3764
          • 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\tmpE9B2.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2032
            • C:\Windows\SysWOW64\nslookup.exe
              "C:\Windows\system32\nslookup.exe" -type=any localhost
              5⤵
                PID:960
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1960
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                4⤵
                  PID:1956
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 1396
                3⤵
                • Suspicious use of NtCreateProcessExOtherParentProcess
                • Program crash
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:1156

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Defense Evasion

          Modify Registry

          2
          T1112

          Install Root Certificate

          1
          T1130

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          Query Registry

          2
          T1012

          System Information Discovery

          2
          T1082

          Collection

          Data from Local System

          1
          T1005

          Email Collection

          2
          T1114

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\PROGRA~3\Bynootykhhl.tmp
            MD5

            4bca84d5edf3e593ec56cc821b6bd1b9

            SHA1

            23f954be80e90a15c78e83c91fde3e39721aa74d

            SHA256

            c117355e69d059a29c8c39a2434a2b3a45d4339293c1c0591038838a3757056d

            SHA512

            f7b7382f72fbf2cba9784ad4d05f6eda8e5f2cf7851bc921fa364f3552c9112bb50ae41432b99277c37b78b4f7b01c50738ad04a554f05996b68f3dc1a39561c

          • C:\PROGRA~3\Bynootykhhl.tmp
            MD5

            7bfbc25bbf75afc608f38796b21395c8

            SHA1

            21aa9b898e97a7df806c9e60566639487e889d33

            SHA256

            07787e1c32f3b5a4347e11f9ec6e21b4c59759db1b13fa323f7e45ddf0029972

            SHA512

            851c75624458f823166705b7bd713bb849d07f8cc768b1e772a68c4a2677663636685b72489fb773e9efc510d654b12e32a65d447dc22a76ceb30c0eb33563e2

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            MD5

            db01a2c1c7e70b2b038edf8ad5ad9826

            SHA1

            540217c647a73bad8d8a79e3a0f3998b5abd199b

            SHA256

            413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d

            SHA512

            c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            MD5

            94ebe7dcbbe2fffba29a1bd83f7d6c3d

            SHA1

            6947becd5a906d327c69be983044960d2eeccc3c

            SHA256

            96510bb0ad6f8a1b26f93607e6bd2a5af5cdc285f9932d83023b4822462dab89

            SHA512

            9e36236a6bba5fd75211cc6d51e799eeed12d0949b4c50fec191724c2bebd199a57ef10b08a9d9c44f6149385657de3d70d2e363ec62f52253d479ed99b39a37

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            MD5

            31061763dc669b5be129797fef3e6af0

            SHA1

            1b1e81dff7f3edb606936f5010b5a9e817a9c0e6

            SHA256

            fd462fccc10e43abcf08156cf9934ec16f466b67595bb469e1ab53572c6e2621

            SHA512

            51d873dcb0bf52e0ae1494a73ab66135ffb827437345889eadc0e20b3402d893f8115bd2a320cfe428557044bc87c63d5951b817b29fb7f05e388f87f122ffd1

          • C:\Users\Admin\AppData\Local\Temp\tmpD889.tmp.ps1
            MD5

            2c15c6b297a1e3865554ec9b6abf66bb

            SHA1

            e079d109cef36e14693839e99494db39b22ec14f

            SHA256

            62795ee34ac2c242e438868010d6bdf42572d97fb248c285739d93a39de2169f

            SHA512

            aa0522ec3391f26a069a93ed26b8bdac8638291eb5c12ee47d0d80677263d2e48b48102edd82982dd4b673a6b50d0f01b01288a45531085b4d260c2c516f89a8

          • C:\Users\Admin\AppData\Local\Temp\tmpD88A.tmp
            MD5

            c416c12d1b2b1da8c8655e393b544362

            SHA1

            fb1a43cd8e1c556c2d25f361f42a21293c29e447

            SHA256

            0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046

            SHA512

            cb6d3636be4330aa2fd577c3636d0b7165f92ee817e98f21180ba0c918eb76f4e38f025086593a0e508234ca981cfec2c53482b0e9cc0acfa885fefbdf89913c

          • C:\Users\Admin\AppData\Local\Temp\tmpE9B2.tmp.ps1
            MD5

            2bb8cb49eab49debff6f02231ec23f7a

            SHA1

            c79a1644cbc97a12f204c9ce6948ff80797108a6

            SHA256

            d945472c8630857378e225a13b1c5dd318c5f4f1f67d82094fe84aae7a81a580

            SHA512

            8420cf1434e480c06e12e041e739eb91744c59ff1243746b85def97a1b9ad9d4f53d0da2dd3867dffd0bad997904417ecb8bcdaaeccbf72b8f6423e369a6dcb0

          • C:\Users\Admin\AppData\Local\Temp\tmpE9B3.tmp
            MD5

            1860260b2697808b80802352fe324782

            SHA1

            f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

            SHA256

            0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

            SHA512

            d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

          • memory/748-123-0x0000000000000000-mapping.dmp
          • memory/748-129-0x0000000003390000-0x0000000003391000-memory.dmp
            Filesize

            4KB

          • memory/748-126-0x0000000073620000-0x00000000738AE000-memory.dmp
            Filesize

            2.6MB

          • memory/748-130-0x0000000005251000-0x0000000006235000-memory.dmp
            Filesize

            15.9MB

          • memory/748-124-0x0000000073620000-0x00000000738AE000-memory.dmp
            Filesize

            2.6MB

          • memory/748-131-0x0000000073EF0000-0x0000000073EF1000-memory.dmp
            Filesize

            4KB

          • memory/960-463-0x0000000000000000-mapping.dmp
          • memory/1320-409-0x0000000000000000-mapping.dmp
          • memory/1864-119-0x0000000073620000-0x00000000738AE000-memory.dmp
            Filesize

            2.6MB

          • memory/1864-117-0x00000000009F0000-0x00000000009F1000-memory.dmp
            Filesize

            4KB

          • memory/1864-116-0x0000000073620000-0x00000000738AE000-memory.dmp
            Filesize

            2.6MB

          • memory/1864-115-0x0000000000000000-mapping.dmp
          • memory/1864-121-0x0000000004C91000-0x0000000005C75000-memory.dmp
            Filesize

            15.9MB

          • memory/1864-122-0x0000000073EF0000-0x0000000073EF1000-memory.dmp
            Filesize

            4KB

          • memory/1864-118-0x0000000073620000-0x0000000073783000-memory.dmp
            Filesize

            1.4MB

          • memory/1956-468-0x0000000000000000-mapping.dmp
          • memory/1960-466-0x0000000000000000-mapping.dmp
          • memory/2032-453-0x0000000006540000-0x0000000006541000-memory.dmp
            Filesize

            4KB

          • memory/2032-441-0x0000000000000000-mapping.dmp
          • memory/2032-454-0x0000000006542000-0x0000000006543000-memory.dmp
            Filesize

            4KB

          • memory/2032-467-0x0000000006543000-0x0000000006544000-memory.dmp
            Filesize

            4KB

          • memory/2312-412-0x00000132AA940000-0x00000132AAAF2000-memory.dmp
            Filesize

            1.7MB

          • memory/2312-411-0x0000000000690000-0x0000000000830000-memory.dmp
            Filesize

            1.6MB

          • memory/2312-405-0x00007FF673055FD0-mapping.dmp
          • memory/2700-141-0x0000000000000000-mapping.dmp
          • memory/2700-410-0x0000000000F00000-0x0000000000F01000-memory.dmp
            Filesize

            4KB

          • memory/2700-394-0x00000000001E0000-0x00000000001E1000-memory.dmp
            Filesize

            4KB

          • memory/2700-395-0x0000000004671000-0x0000000005655000-memory.dmp
            Filesize

            15.9MB

          • memory/3140-137-0x0000000002FF0000-0x0000000002FF1000-memory.dmp
            Filesize

            4KB

          • memory/3140-143-0x0000000007570000-0x0000000007571000-memory.dmp
            Filesize

            4KB

          • memory/3140-172-0x0000000009820000-0x0000000009821000-memory.dmp
            Filesize

            4KB

          • memory/3140-171-0x0000000009650000-0x0000000009651000-memory.dmp
            Filesize

            4KB

          • memory/3140-168-0x000000007E7B0000-0x000000007E7B1000-memory.dmp
            Filesize

            4KB

          • memory/3140-165-0x00000000094E0000-0x00000000094E1000-memory.dmp
            Filesize

            4KB

          • memory/3140-158-0x0000000009520000-0x0000000009553000-memory.dmp
            Filesize

            204KB

          • memory/3140-136-0x0000000000000000-mapping.dmp
          • memory/3140-151-0x0000000002FF0000-0x0000000002FF1000-memory.dmp
            Filesize

            4KB

          • memory/3140-150-0x00000000085B0000-0x00000000085B1000-memory.dmp
            Filesize

            4KB

          • memory/3140-149-0x00000000070A2000-0x00000000070A3000-memory.dmp
            Filesize

            4KB

          • memory/3140-138-0x0000000002FF0000-0x0000000002FF1000-memory.dmp
            Filesize

            4KB

          • memory/3140-139-0x0000000004A50000-0x0000000004A51000-memory.dmp
            Filesize

            4KB

          • memory/3140-148-0x00000000070A0000-0x00000000070A1000-memory.dmp
            Filesize

            4KB

          • memory/3140-140-0x00000000076E0000-0x00000000076E1000-memory.dmp
            Filesize

            4KB

          • memory/3140-147-0x0000000008770000-0x0000000008771000-memory.dmp
            Filesize

            4KB

          • memory/3140-146-0x00000000076C0000-0x00000000076C1000-memory.dmp
            Filesize

            4KB

          • memory/3140-145-0x0000000007E10000-0x0000000007E11000-memory.dmp
            Filesize

            4KB

          • memory/3140-144-0x0000000007650000-0x0000000007651000-memory.dmp
            Filesize

            4KB

          • memory/3140-197-0x00000000070A3000-0x00000000070A4000-memory.dmp
            Filesize

            4KB

          • memory/3140-142-0x00000000074B0000-0x00000000074B1000-memory.dmp
            Filesize

            4KB

          • memory/3764-440-0x00000000044B3000-0x00000000044B4000-memory.dmp
            Filesize

            4KB

          • memory/3764-430-0x00000000044B2000-0x00000000044B3000-memory.dmp
            Filesize

            4KB

          • memory/3764-429-0x00000000044B0000-0x00000000044B1000-memory.dmp
            Filesize

            4KB

          • memory/3764-413-0x0000000000000000-mapping.dmp