Analysis

  • max time kernel
    139s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • 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 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 46 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\de8b54a938ac18f15cad804d79a0e19d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2864
    • 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:740
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\de8b54a938ac18f15cad804d79a0e19d.dll,ZkocUURIVFE0
        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:4624
        • 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\de8b54a938ac18f15cad804d79a0e19d.dll
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:900
        • C:\Windows\SysWOW64\RUNDLL32.EXE
          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\de8b54a938ac18f15cad804d79a0e19d.dll,mTdhNA==
          4⤵
          • Suspicious use of SetThreadContext
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1312
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 17659
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:1300
            • C:\Windows\system32\ctfmon.exe
              ctfmon.exe
              6⤵
                PID:3080
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 1380
              5⤵
              • Suspicious use of NtCreateProcessExOtherParentProcess
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1580
          • 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\tmpC32D.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2968
          • 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\tmpD33C.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3728
            • C:\Windows\SysWOW64\nslookup.exe
              "C:\Windows\system32\nslookup.exe" -type=any localhost
              5⤵
                PID:2188
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:2524
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                4⤵
                  PID:2820
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1388
                3⤵
                • Suspicious use of NtCreateProcessExOtherParentProcess
                • Program crash
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3444

          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

            abfa8793cbf5231490b64d2e11f06652

            SHA1

            374b48a5bef51fa89bf0dabe620933ac86623e8c

            SHA256

            c245d233c217a727be87362d581812c916cef5de060cd19641bc336c79e79f61

            SHA512

            38ea411b97a229f1409c03de5418db7614c5c618f2a4efe8bf77568c510d7ca2255d1b9f6f053ed49dc00eeeb7fe18754f5cba645369bd2f0bf519b7faf83a0a

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

            1c19c16e21c97ed42d5beabc93391fc5

            SHA1

            8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

            SHA256

            1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

            SHA512

            7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

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

            a5c13b40083daf1a433a6c2d71bf39b2

            SHA1

            e8aff142a3fb6a1606990e6463f13aa4d5c2aff6

            SHA256

            c0e99853f2b0dd78185f03c5caedc6a30313991ab37aea71f646a9ab2cd95593

            SHA512

            c85489a00b17bd09594fb323b10412a7c64f2232a7eb18f1e71d117e5f50afd4793178325a11694cfa5976721d97245b593fa4279d26614a8e0d728c3a7d53f9

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

            d187bd05dc9431feb85c11ee1f07e5f5

            SHA1

            cf61f03a41c6ad36b073835d9ba35cfc13d4c4c1

            SHA256

            963d2ad177817e06b8e5703b25ed692b85136a8ccba79547c4eefdc14f891fe9

            SHA512

            07a39bf55f56f9268e06ae66c47858b429d22120cdaa7a4379f4763cd76e9b2f3a8ed80c8c1dde29bd1f8292d7aac9905d1c1177b63ace37ad5cf3682e4895c4

          • C:\Users\Admin\AppData\Local\Temp\tmpC32D.tmp.ps1
            MD5

            5a3ea1b44d7a6663ce61becfcac4a139

            SHA1

            33beb28fc094333960b754c196063851ad543caa

            SHA256

            1561c97653ff2c0b3076ee2f56732ba35b4707dac45a38e56070fe2b0eaf9d17

            SHA512

            96cef8e5df83e0ce4b99157214eb78ac7cdc77cadb157f0a15344d4777fa5ef19addcbb100f4f5f730579eed0b3a6c4905515751aa4e51a04ee0789849cd2fa9

          • C:\Users\Admin\AppData\Local\Temp\tmpC32E.tmp
            MD5

            c416c12d1b2b1da8c8655e393b544362

            SHA1

            fb1a43cd8e1c556c2d25f361f42a21293c29e447

            SHA256

            0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046

            SHA512

            cb6d3636be4330aa2fd577c3636d0b7165f92ee817e98f21180ba0c918eb76f4e38f025086593a0e508234ca981cfec2c53482b0e9cc0acfa885fefbdf89913c

          • C:\Users\Admin\AppData\Local\Temp\tmpD33C.tmp.ps1
            MD5

            cdd15a1d2245f0ed530b5f9c61622679

            SHA1

            3cc748b823b04eb3972d94720484a3df545c1c95

            SHA256

            5a5ec993c0e11fd0708d3bb6aef3448b4f52673df72e91d1252ada8ad7dcfa34

            SHA512

            2287abe64e436434b001409396bf443e697876f502f41e4afc46d2bb7bc4b7d9c8cb7b37b6ce493903ee983a8d1dd0a5f63243052999e1cb851606a28f4c6925

          • C:\Users\Admin\AppData\Local\Temp\tmpD33D.tmp
            MD5

            1860260b2697808b80802352fe324782

            SHA1

            f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

            SHA256

            0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

            SHA512

            d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

          • memory/740-122-0x0000000074070000-0x0000000074071000-memory.dmp
            Filesize

            4KB

          • memory/740-121-0x0000000004DA1000-0x0000000005D85000-memory.dmp
            Filesize

            15.9MB

          • memory/740-120-0x0000000000CC0000-0x0000000000D6E000-memory.dmp
            Filesize

            696KB

          • memory/740-118-0x00000000739D0000-0x0000000073C5E000-memory.dmp
            Filesize

            2.6MB

          • memory/740-117-0x00000000739D0000-0x0000000073B33000-memory.dmp
            Filesize

            1.4MB

          • memory/740-116-0x00000000739D0000-0x0000000073C5E000-memory.dmp
            Filesize

            2.6MB

          • memory/740-115-0x0000000000000000-mapping.dmp
          • memory/900-134-0x0000000001340000-0x0000000001341000-memory.dmp
            Filesize

            4KB

          • memory/900-135-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
            Filesize

            4KB

          • memory/900-136-0x00000000074A0000-0x00000000074A1000-memory.dmp
            Filesize

            4KB

          • memory/900-132-0x0000000000000000-mapping.dmp
          • memory/900-138-0x0000000001370000-0x0000000001371000-memory.dmp
            Filesize

            4KB

          • memory/900-139-0x0000000001372000-0x0000000001373000-memory.dmp
            Filesize

            4KB

          • memory/900-140-0x0000000007440000-0x0000000007441000-memory.dmp
            Filesize

            4KB

          • memory/900-141-0x0000000007C40000-0x0000000007C41000-memory.dmp
            Filesize

            4KB

          • memory/900-142-0x0000000007DB0000-0x0000000007DB1000-memory.dmp
            Filesize

            4KB

          • memory/900-143-0x0000000007E20000-0x0000000007E21000-memory.dmp
            Filesize

            4KB

          • memory/900-144-0x00000000081F0000-0x00000000081F1000-memory.dmp
            Filesize

            4KB

          • memory/900-145-0x0000000008710000-0x0000000008711000-memory.dmp
            Filesize

            4KB

          • memory/900-146-0x00000000085D0000-0x00000000085D1000-memory.dmp
            Filesize

            4KB

          • memory/900-147-0x0000000001340000-0x0000000001341000-memory.dmp
            Filesize

            4KB

          • memory/900-154-0x00000000095B0000-0x00000000095E3000-memory.dmp
            Filesize

            204KB

          • memory/900-161-0x0000000009350000-0x0000000009351000-memory.dmp
            Filesize

            4KB

          • memory/900-166-0x00000000096E0000-0x00000000096E1000-memory.dmp
            Filesize

            4KB

          • memory/900-167-0x000000007EED0000-0x000000007EED1000-memory.dmp
            Filesize

            4KB

          • memory/900-168-0x00000000098D0000-0x00000000098D1000-memory.dmp
            Filesize

            4KB

          • memory/900-173-0x0000000001373000-0x0000000001374000-memory.dmp
            Filesize

            4KB

          • memory/900-133-0x0000000001340000-0x0000000001341000-memory.dmp
            Filesize

            4KB

          • memory/1300-401-0x00007FF623A15FD0-mapping.dmp
          • memory/1300-407-0x0000000000140000-0x00000000002E0000-memory.dmp
            Filesize

            1.6MB

          • memory/1300-408-0x0000016A493C0000-0x0000016A49572000-memory.dmp
            Filesize

            1.7MB

          • memory/1312-400-0x0000000004A61000-0x0000000005A45000-memory.dmp
            Filesize

            15.9MB

          • memory/1312-389-0x0000000000A00000-0x0000000000B4A000-memory.dmp
            Filesize

            1.3MB

          • memory/1312-406-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
            Filesize

            4KB

          • memory/1312-137-0x0000000000000000-mapping.dmp
          • memory/2188-459-0x0000000000000000-mapping.dmp
          • memory/2524-463-0x0000000000000000-mapping.dmp
          • memory/2820-464-0x0000000000000000-mapping.dmp
          • memory/2968-409-0x0000000000000000-mapping.dmp
          • memory/2968-424-0x0000000006F62000-0x0000000006F63000-memory.dmp
            Filesize

            4KB

          • memory/2968-423-0x0000000006F60000-0x0000000006F61000-memory.dmp
            Filesize

            4KB

          • memory/2968-436-0x0000000006F63000-0x0000000006F64000-memory.dmp
            Filesize

            4KB

          • memory/3080-405-0x0000000000000000-mapping.dmp
          • memory/3728-437-0x0000000000000000-mapping.dmp
          • memory/3728-446-0x0000000000FA0000-0x0000000000FA1000-memory.dmp
            Filesize

            4KB

          • memory/3728-447-0x0000000000FA2000-0x0000000000FA3000-memory.dmp
            Filesize

            4KB

          • memory/3728-462-0x0000000000FA3000-0x0000000000FA4000-memory.dmp
            Filesize

            4KB

          • memory/4624-129-0x00000000001F0000-0x00000000001F1000-memory.dmp
            Filesize

            4KB

          • memory/4624-124-0x00000000739D0000-0x0000000073C5E000-memory.dmp
            Filesize

            2.6MB

          • memory/4624-123-0x0000000000000000-mapping.dmp
          • memory/4624-126-0x00000000739D0000-0x0000000073C5E000-memory.dmp
            Filesize

            2.6MB

          • memory/4624-130-0x00000000045E1000-0x00000000055C5000-memory.dmp
            Filesize

            15.9MB

          • memory/4624-131-0x0000000074070000-0x0000000074071000-memory.dmp
            Filesize

            4KB