Analysis

  • max time kernel
    130s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    03-05-2021 07:55

General

  • Target

    a04af7fb3b5483d292093d1b67b6ed496d5643698121c04fedaa15e8078b748d.dll

  • Size

    9.3MB

  • MD5

    b75e734845e212357778571c255f90bb

  • SHA1

    76228ef3173b003f0319cfc3a4e6ee9c51ace683

  • SHA256

    a04af7fb3b5483d292093d1b67b6ed496d5643698121c04fedaa15e8078b748d

  • SHA512

    af098bc44e0ce89ae0c0d97f507b64a80bc77e2a8caeb91869e9c3ba8cf600e691510306b667be2b5002068c3c5d21ecb9d792876657550a0c9f720e069c6356

Malware Config

Extracted

Family

danabot

Version

1827

Botnet

22

C2

198.211.116.98:443

165.227.38.61:443

8.208.9.104:443

134.209.237.20:443

Attributes
  • embedded_hash

    F0CDE8332809AAECCF99C00772B539AB

rsa_pubkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

    Danabot is a modular banking Trojan that has been linked with other malware.

  • Blocklisted process makes network request 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a04af7fb3b5483d292093d1b67b6ed496d5643698121c04fedaa15e8078b748d.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:604
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\a04af7fb3b5483d292093d1b67b6ed496d5643698121c04fedaa15e8078b748d.dll
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\a04af7fb3b5483d292093d1b67b6ed496d5643698121c04fedaa15e8078b748d.dll,TzcYLDa0Brw=
        3⤵
        • Blocklisted process makes network request
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2668
        • 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\tmp9139.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3896
        • 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\tmpB492.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1292
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:1188
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:492
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1464

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Query Registry

        2
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          47eebe401625bbc55e75dbfb72e9e89a

          SHA1

          db3b2135942d2532c59b9788253638eb77e5995e

          SHA256

          f1cd56000c44bbdb6880b5b133731f493fe8cba8198c5a861da6ae7b489ed0c3

          SHA512

          590b149863d58be346e7927c28501375cc570858d2f156d234b03d68b86c5c0667a1038e2b6f6639172bf95638ca9f7c70f45270951abbcdf43b1be853b81d56

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

          6a7e68330963f0c7a151fb4263e47604

          SHA1

          b493014e4558981b2bb4637c2b9227ad1684ab92

          SHA256

          03a8b7d41bb531c50b59ed31694df40f14c5d79399898ae7c5df885ac71b81c4

          SHA512

          9c0ab0e60615cf7bf677638b7e2e7e968065eaeaa2a230273e18d22c351ac52eee4a8328fc7136c90a8b47674bcfaa465e2321a382a7e39d9b555142e55a47aa

        • C:\Users\Admin\AppData\Local\Temp\tmp9139.tmp.ps1
          MD5

          b3ba7c08f0e9ce72485626109c840067

          SHA1

          a178052b8d118f7a674ab960e51643a1103c5f01

          SHA256

          8a63d009cad209ab541b3548f6d6c4a63f618e55b54b9c227bb9a0e38dcc6124

          SHA512

          a24a4d7fc8fe9f4d2957ce48df2ffe0fc303f9c8036bef2a71c679d6e170ef35679c8102a09785e3be90cd8698e837756f752d9dd216728d4353640c0b2bfbb7

        • C:\Users\Admin\AppData\Local\Temp\tmp913A.tmp
          MD5

          c416c12d1b2b1da8c8655e393b544362

          SHA1

          fb1a43cd8e1c556c2d25f361f42a21293c29e447

          SHA256

          0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046

          SHA512

          cb6d3636be4330aa2fd577c3636d0b7165f92ee817e98f21180ba0c918eb76f4e38f025086593a0e508234ca981cfec2c53482b0e9cc0acfa885fefbdf89913c

        • C:\Users\Admin\AppData\Local\Temp\tmpB492.tmp.ps1
          MD5

          ad3da293a4327e8a6c38d55cfcc4782a

          SHA1

          1fe837e4653e0cb93d1e65f16c419855a9efbf93

          SHA256

          4165208382c87605b46ac605b1554f0d91d67ec21cc44439eecd0d0a237144ef

          SHA512

          5836e0e72242263fe1e4c9d8e675f98d3327bf59adb02f5905a2e7bd833ad5b9e5b09ffeb82b2bf007982ba6a5ad0f70e08e3fae0f7fa276a060badd8ec108ff

        • C:\Users\Admin\AppData\Local\Temp\tmpB493.tmp
          MD5

          1860260b2697808b80802352fe324782

          SHA1

          f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

          SHA256

          0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

          SHA512

          d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

        • memory/492-181-0x0000000000000000-mapping.dmp
        • memory/1188-178-0x0000000000000000-mapping.dmp
        • memory/1292-167-0x0000000002740000-0x0000000002741000-memory.dmp
          Filesize

          4KB

        • memory/1292-164-0x0000000007520000-0x0000000007521000-memory.dmp
          Filesize

          4KB

        • memory/1292-154-0x0000000000000000-mapping.dmp
        • memory/1292-168-0x00000000079F0000-0x00000000079F1000-memory.dmp
          Filesize

          4KB

        • memory/1292-182-0x0000000002743000-0x0000000002744000-memory.dmp
          Filesize

          4KB

        • memory/1292-169-0x0000000002742000-0x0000000002743000-memory.dmp
          Filesize

          4KB

        • memory/1464-183-0x0000000000000000-mapping.dmp
        • memory/2648-119-0x0000000006301000-0x0000000006960000-memory.dmp
          Filesize

          6.4MB

        • memory/2648-118-0x0000000003400000-0x000000000354A000-memory.dmp
          Filesize

          1.3MB

        • memory/2648-116-0x0000000000400000-0x0000000000D5A000-memory.dmp
          Filesize

          9.4MB

        • memory/2648-115-0x0000000003140000-0x0000000003141000-memory.dmp
          Filesize

          4KB

        • memory/2648-114-0x0000000000000000-mapping.dmp
        • memory/2668-121-0x00000000061A0000-0x00000000061A1000-memory.dmp
          Filesize

          4KB

        • memory/2668-120-0x0000000002D90000-0x0000000002D91000-memory.dmp
          Filesize

          4KB

        • memory/2668-125-0x0000000004820000-0x000000000517A000-memory.dmp
          Filesize

          9.4MB

        • memory/2668-127-0x0000000006771000-0x0000000006DD0000-memory.dmp
          Filesize

          6.4MB

        • memory/2668-117-0x0000000000000000-mapping.dmp
        • memory/2668-155-0x0000000002DB0000-0x0000000002EFA000-memory.dmp
          Filesize

          1.3MB

        • memory/3896-128-0x0000000000000000-mapping.dmp
        • memory/3896-150-0x0000000006F50000-0x0000000006F51000-memory.dmp
          Filesize

          4KB

        • memory/3896-153-0x0000000006CA3000-0x0000000006CA4000-memory.dmp
          Filesize

          4KB

        • memory/3896-149-0x0000000009140000-0x0000000009141000-memory.dmp
          Filesize

          4KB

        • memory/3896-148-0x0000000009BB0000-0x0000000009BB1000-memory.dmp
          Filesize

          4KB

        • memory/3896-143-0x0000000006F20000-0x0000000006F21000-memory.dmp
          Filesize

          4KB

        • memory/3896-141-0x00000000083D0000-0x00000000083D1000-memory.dmp
          Filesize

          4KB

        • memory/3896-140-0x0000000008520000-0x0000000008521000-memory.dmp
          Filesize

          4KB

        • memory/3896-139-0x00000000080D0000-0x00000000080D1000-memory.dmp
          Filesize

          4KB

        • memory/3896-138-0x0000000007CC0000-0x0000000007CC1000-memory.dmp
          Filesize

          4KB

        • memory/3896-137-0x0000000007C50000-0x0000000007C51000-memory.dmp
          Filesize

          4KB

        • memory/3896-136-0x0000000007A00000-0x0000000007A01000-memory.dmp
          Filesize

          4KB

        • memory/3896-135-0x0000000007230000-0x0000000007231000-memory.dmp
          Filesize

          4KB

        • memory/3896-133-0x0000000006CA0000-0x0000000006CA1000-memory.dmp
          Filesize

          4KB

        • memory/3896-134-0x0000000006CA2000-0x0000000006CA3000-memory.dmp
          Filesize

          4KB

        • memory/3896-132-0x00000000072E0000-0x00000000072E1000-memory.dmp
          Filesize

          4KB

        • memory/3896-131-0x0000000006C40000-0x0000000006C41000-memory.dmp
          Filesize

          4KB