Analysis

  • max time kernel
    135s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    22-10-2021 14:10

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 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 43 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\2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1712
    • 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:872
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll,bDA8N0paNXY=
        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:288
        • C:\Windows\SysWOW64\RUNDLL32.EXE
          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\2a3acdcd76575762b18c18c644a745125f55ce121f742d2aad962521bc7f25fd.dll,UColc0gy
          4⤵
          • Suspicious use of SetThreadContext
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1672
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 17739
            5⤵
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:1732
            • C:\Windows\system32\ctfmon.exe
              ctfmon.exe
              6⤵
                PID:1108
          • 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\tmpF95C.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:940
          • 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\tmp25EA.tmp.ps1"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:968
            • C:\Windows\SysWOW64\nslookup.exe
              "C:\Windows\system32\nslookup.exe" -type=any localhost
              5⤵
                PID:728
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1664
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                4⤵
                  PID:1588

          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

            081d53295a2aca5db20e49c64e7ffc49

            SHA1

            6cfdbce0d64d71006fd1823e1f1b37db9d0e136a

            SHA256

            e1e9152af525587c4cdb6f746c25815cf241ad4453b5f33e1529baa2409edfac

            SHA512

            c4eced9bb4ae110e8141cf1677d046c49d2bf01d551f338065a1d1f5f664ffc82fcbe4f38b3f4edf12f0efec33399f5194a894ede16bb9a573451c1f0ae6d8ec

          • C:\Users\Admin\AppData\Local\Temp\tmp25EA.tmp.ps1
            MD5

            9098442deb6827d0131a31c8d56fae12

            SHA1

            7e661d2f63aeb8c57c79988f83f1f87094580727

            SHA256

            543846ff602ed5ade02eb30bc3824df77b796b52eda2d0e601e0a7acfb7a9fb4

            SHA512

            533ec444218feb7bd22bc4ed3f764090a3e03314eb11145ea5878be9eda59373b61de273c02f71325abfe6de0c3292fc52860c14dc603f4b70b0923cf1cede18

          • C:\Users\Admin\AppData\Local\Temp\tmp25EB.tmp
            MD5

            1860260b2697808b80802352fe324782

            SHA1

            f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

            SHA256

            0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

            SHA512

            d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

          • C:\Users\Admin\AppData\Local\Temp\tmpF95C.tmp.ps1
            MD5

            3cbdc505032784bc778cfb05b61eb4a3

            SHA1

            94362cd111e5b0baa9b6f661f466e0adde315133

            SHA256

            c7d9a7d9d11d600ed8b9033b016ac12ac5ef784d87b090374384ae71f1dc736d

            SHA512

            fa241d9642e5fd438880f8009e655bebe7bd3b68f7f706b76dc3a5a51cd4832635c25b91531e12c9e4ff6688a8274a2e491541d3ea83ab65318ad318985b61bb

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

            d0225b4c4a130b450c7f09c5401acd71

            SHA1

            8c3376b82faaa46ed5cbe1380a1ebf341d1808e3

            SHA256

            6e67f9a9acb03194d41082fef7b9c913993b9c9ed5375562444248561db76d0c

            SHA512

            9b7286a51956de1117c96f42d18254fac320c261f86c60b2ba45bea1b64e31fb3c44aeff49d48ab86e0c6750acf9687879b4e29061ced984b9c755967df95828

          • \??\PIPE\srvsvc
            MD5

            d41d8cd98f00b204e9800998ecf8427e

            SHA1

            da39a3ee5e6b4b0d3255bfef95601890afd80709

            SHA256

            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

            SHA512

            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

          • memory/288-73-0x00000000000F0000-0x00000000000F1000-memory.dmp
            Filesize

            4KB

          • memory/288-72-0x0000000075090000-0x0000000075091000-memory.dmp
            Filesize

            4KB

          • memory/288-66-0x0000000074E00000-0x000000007508E000-memory.dmp
            Filesize

            2.6MB

          • memory/288-67-0x0000000074E00000-0x0000000074F63000-memory.dmp
            Filesize

            1.4MB

          • memory/288-68-0x0000000074E00000-0x000000007508E000-memory.dmp
            Filesize

            2.6MB

          • memory/288-64-0x0000000000000000-mapping.dmp
          • memory/288-71-0x00000000023A1000-0x0000000003385000-memory.dmp
            Filesize

            15.9MB

          • memory/728-111-0x0000000000000000-mapping.dmp
          • memory/872-63-0x0000000075090000-0x0000000075091000-memory.dmp
            Filesize

            4KB

          • memory/872-55-0x0000000000000000-mapping.dmp
          • memory/872-62-0x0000000002331000-0x0000000003315000-memory.dmp
            Filesize

            15.9MB

          • memory/872-60-0x0000000074E00000-0x000000007508E000-memory.dmp
            Filesize

            2.6MB

          • memory/872-59-0x0000000074E00000-0x0000000074F63000-memory.dmp
            Filesize

            1.4MB

          • memory/872-58-0x0000000000160000-0x0000000000161000-memory.dmp
            Filesize

            4KB

          • memory/872-57-0x0000000074E00000-0x000000007508E000-memory.dmp
            Filesize

            2.6MB

          • memory/872-56-0x00000000758C1000-0x00000000758C3000-memory.dmp
            Filesize

            8KB

          • memory/940-103-0x0000000002490000-0x00000000030DA000-memory.dmp
            Filesize

            12.3MB

          • memory/940-104-0x0000000002490000-0x00000000030DA000-memory.dmp
            Filesize

            12.3MB

          • memory/940-102-0x0000000002490000-0x00000000030DA000-memory.dmp
            Filesize

            12.3MB

          • memory/940-100-0x0000000000000000-mapping.dmp
          • memory/968-116-0x0000000000552000-0x0000000000554000-memory.dmp
            Filesize

            8KB

          • memory/968-114-0x0000000000550000-0x0000000000551000-memory.dmp
            Filesize

            4KB

          • memory/968-115-0x0000000000551000-0x0000000000552000-memory.dmp
            Filesize

            4KB

          • memory/968-106-0x0000000000000000-mapping.dmp
          • memory/1108-98-0x0000000000000000-mapping.dmp
          • memory/1588-117-0x0000000000000000-mapping.dmp
          • memory/1664-113-0x0000000000000000-mapping.dmp
          • memory/1672-76-0x0000000074E00000-0x000000007508E000-memory.dmp
            Filesize

            2.6MB

          • memory/1672-92-0x0000000003390000-0x00000000034D0000-memory.dmp
            Filesize

            1.2MB

          • memory/1672-88-0x0000000003390000-0x00000000034D0000-memory.dmp
            Filesize

            1.2MB

          • memory/1672-90-0x0000000003390000-0x00000000034D0000-memory.dmp
            Filesize

            1.2MB

          • memory/1672-85-0x0000000003390000-0x00000000034D0000-memory.dmp
            Filesize

            1.2MB

          • memory/1672-91-0x0000000000690000-0x0000000000691000-memory.dmp
            Filesize

            4KB

          • memory/1672-84-0x0000000000680000-0x0000000000681000-memory.dmp
            Filesize

            4KB

          • memory/1672-93-0x0000000003390000-0x00000000034D0000-memory.dmp
            Filesize

            1.2MB

          • memory/1672-83-0x0000000075090000-0x0000000075091000-memory.dmp
            Filesize

            4KB

          • memory/1672-79-0x0000000000640000-0x0000000000641000-memory.dmp
            Filesize

            4KB

          • memory/1672-78-0x0000000074E00000-0x000000007508E000-memory.dmp
            Filesize

            2.6MB

          • memory/1672-86-0x0000000003390000-0x00000000034D0000-memory.dmp
            Filesize

            1.2MB

          • memory/1672-74-0x0000000000000000-mapping.dmp
          • memory/1732-99-0x0000000001E50000-0x0000000002002000-memory.dmp
            Filesize

            1.7MB

          • memory/1732-94-0x00000000FF8C3CEC-mapping.dmp
          • memory/1732-96-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp
            Filesize

            8KB

          • memory/1732-89-0x00000000000E0000-0x0000000000280000-memory.dmp
            Filesize

            1.6MB

          • memory/1732-97-0x00000000000E0000-0x0000000000280000-memory.dmp
            Filesize

            1.6MB