Analysis

  • max time kernel
    137s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-10-2021 13:06

General

  • Target

    de8b54a938ac18f15cad804d79a0e19d.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 5 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.

  • 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 53 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\de8b54a938ac18f15cad804d79a0e19d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:268
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\de8b54a938ac18f15cad804d79a0e19d.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\de8b54a938ac18f15cad804d79a0e19d.dll,elkhTXZ5WA==
        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:680
        • C:\Windows\SysWOW64\RUNDLL32.EXE
          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\de8b54a938ac18f15cad804d79a0e19d.dll,WQBYejVT
          4⤵
          • Suspicious use of SetThreadContext
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1660
          • 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:1948
            • C:\Windows\system32\ctfmon.exe
              ctfmon.exe
              6⤵
                PID:2016
          • 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\tmp495F.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2012
          • 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\tmp5BD8.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:552
            • C:\Windows\SysWOW64\nslookup.exe
              "C:\Windows\system32\nslookup.exe" -type=any localhost
              5⤵
                PID:1120
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1796
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                4⤵
                  PID:1156

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Defense Evasion

          Install Root Certificate

          1
          T1130

          Modify Registry

          1
          T1112

          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

            26a1ec8c909e9dec6d3dce9da510bf76

            SHA1

            078cb65e95dabac8e851812efc5e713d47d3d62a

            SHA256

            97c2cd584d6153f8fe46d860766dba565652335c63167158ee4004c183019083

            SHA512

            60bc4e42b06f5d73900f2f44cb1627ed845b73107600aad01bebc80df418123debdca7fe71d7704a69abe8c0430af2596ac2f7316a46ac522bef3d12ed4c3932

          • C:\Users\Admin\AppData\Local\Temp\tmp495F.tmp.ps1
            MD5

            6f5553ffe0897d63c2c4f9f0de1224c4

            SHA1

            f149d7e921610b18e96b7d255f010eb5934dae9d

            SHA256

            353626abc63b37e4328c3d287160b0cc6d9be1ff85d8d34dcd6a19d0e9e048cd

            SHA512

            ee0b60f92254bc3aad27f12b29dad8a6edef0bbdf2f397a14e6e116c4f789a994834f9944ba72896303ff0a9eada9979d08916f9fc57a9d71699b797b6bdf416

          • C:\Users\Admin\AppData\Local\Temp\tmp5BD8.tmp.ps1
            MD5

            a0625b395545ee5fe11f6bcce9bd154e

            SHA1

            b1b55cdd838b7cb61d24d70ee7f9d09c7f976592

            SHA256

            0f920d51e7d528b607aaae2e3704de6dc3f7542a221d921be52ba7306b7e8abf

            SHA512

            dbbaaf24f16934eac2636e20275d9a4e2ff75f92d95d7a05714c5dd64110fdf89bddf59c824104c54358e33d189a57a2db422ce1a0e3e3bef42baea99039f1e9

          • C:\Users\Admin\AppData\Local\Temp\tmp5BD9.tmp
            MD5

            1860260b2697808b80802352fe324782

            SHA1

            f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

            SHA256

            0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

            SHA512

            d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
            MD5

            753ab01108b69f3aba88e30617ce4cfa

            SHA1

            9e30a035c4753e8732e851b85525dab8c33b25a8

            SHA256

            a24b61970a8d0cdd7dd5c567de625225da39aac254e4954f776fb8c84caf5863

            SHA512

            05842d7f1b8a1575ba24077d00ec573cf5eacd790797e164686428902f23967a4be6d7ba12454146430381482c3addbb692c01eea49ca40cf9cadf44466d7747

          • \??\PIPE\srvsvc
            MD5

            d41d8cd98f00b204e9800998ecf8427e

            SHA1

            da39a3ee5e6b4b0d3255bfef95601890afd80709

            SHA256

            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

            SHA512

            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

          • memory/552-115-0x0000000002440000-0x000000000308A000-memory.dmp
            Filesize

            12.3MB

          • memory/552-114-0x0000000002440000-0x000000000308A000-memory.dmp
            Filesize

            12.3MB

          • memory/552-113-0x0000000002440000-0x000000000308A000-memory.dmp
            Filesize

            12.3MB

          • memory/552-105-0x0000000000000000-mapping.dmp
          • memory/680-67-0x0000000074750000-0x00000000749DE000-memory.dmp
            Filesize

            2.6MB

          • memory/680-72-0x00000000749E0000-0x00000000749E1000-memory.dmp
            Filesize

            4KB

          • memory/680-71-0x0000000002501000-0x00000000034E5000-memory.dmp
            Filesize

            15.9MB

          • memory/680-70-0x0000000000130000-0x0000000000131000-memory.dmp
            Filesize

            4KB

          • memory/680-66-0x0000000074750000-0x00000000748B3000-memory.dmp
            Filesize

            1.4MB

          • memory/680-65-0x0000000074750000-0x00000000749DE000-memory.dmp
            Filesize

            2.6MB

          • memory/680-63-0x0000000000000000-mapping.dmp
          • memory/832-56-0x0000000074750000-0x00000000749DE000-memory.dmp
            Filesize

            2.6MB

          • memory/832-62-0x00000000749E0000-0x00000000749E1000-memory.dmp
            Filesize

            4KB

          • memory/832-61-0x0000000002381000-0x0000000003365000-memory.dmp
            Filesize

            15.9MB

          • memory/832-60-0x0000000000120000-0x0000000000121000-memory.dmp
            Filesize

            4KB

          • memory/832-58-0x0000000074750000-0x00000000749DE000-memory.dmp
            Filesize

            2.6MB

          • memory/832-57-0x0000000074750000-0x00000000748B3000-memory.dmp
            Filesize

            1.4MB

          • memory/832-55-0x0000000074F81000-0x0000000074F83000-memory.dmp
            Filesize

            8KB

          • memory/832-54-0x0000000000000000-mapping.dmp
          • memory/1120-110-0x0000000000000000-mapping.dmp
          • memory/1156-116-0x0000000000000000-mapping.dmp
          • memory/1660-87-0x0000000003280000-0x00000000033C0000-memory.dmp
            Filesize

            1.2MB

          • memory/1660-81-0x00000000749E0000-0x00000000749E1000-memory.dmp
            Filesize

            4KB

          • memory/1660-91-0x0000000003280000-0x00000000033C0000-memory.dmp
            Filesize

            1.2MB

          • memory/1660-92-0x0000000003280000-0x00000000033C0000-memory.dmp
            Filesize

            1.2MB

          • memory/1660-73-0x0000000000000000-mapping.dmp
          • memory/1660-75-0x0000000074750000-0x00000000749DE000-memory.dmp
            Filesize

            2.6MB

          • memory/1660-77-0x0000000074750000-0x00000000749DE000-memory.dmp
            Filesize

            2.6MB

          • memory/1660-80-0x0000000002291000-0x0000000003275000-memory.dmp
            Filesize

            15.9MB

          • memory/1660-90-0x0000000000210000-0x0000000000211000-memory.dmp
            Filesize

            4KB

          • memory/1660-82-0x00000000000B0000-0x00000000000B1000-memory.dmp
            Filesize

            4KB

          • memory/1660-83-0x0000000000180000-0x0000000000181000-memory.dmp
            Filesize

            4KB

          • memory/1660-84-0x0000000003280000-0x00000000033C0000-memory.dmp
            Filesize

            1.2MB

          • memory/1660-85-0x0000000003280000-0x00000000033C0000-memory.dmp
            Filesize

            1.2MB

          • memory/1660-89-0x0000000003280000-0x00000000033C0000-memory.dmp
            Filesize

            1.2MB

          • memory/1796-112-0x0000000000000000-mapping.dmp
          • memory/1948-88-0x00000000001F0000-0x0000000000390000-memory.dmp
            Filesize

            1.6MB

          • memory/1948-98-0x0000000001F50000-0x0000000002102000-memory.dmp
            Filesize

            1.7MB

          • memory/1948-96-0x00000000001F0000-0x0000000000390000-memory.dmp
            Filesize

            1.6MB

          • memory/1948-95-0x000007FEFBA71000-0x000007FEFBA73000-memory.dmp
            Filesize

            8KB

          • memory/1948-93-0x00000000FF9F3CEC-mapping.dmp
          • memory/2012-103-0x0000000001D92000-0x0000000001D94000-memory.dmp
            Filesize

            8KB

          • memory/2012-101-0x0000000001D90000-0x0000000001D91000-memory.dmp
            Filesize

            4KB

          • memory/2012-102-0x0000000001D91000-0x0000000001D92000-memory.dmp
            Filesize

            4KB

          • memory/2012-99-0x0000000000000000-mapping.dmp
          • memory/2016-97-0x0000000000000000-mapping.dmp