Analysis

  • max time kernel
    144s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    23-07-2021 20:04

General

  • Target

    a28b4d44c63583f0f9f4fdf8da5615d7.exe

  • Size

    1.1MB

  • MD5

    a28b4d44c63583f0f9f4fdf8da5615d7

  • SHA1

    b0b6c2b056ea5742d8ff2dd3d40f976e112d73f2

  • SHA256

    abbbebf84a817bd400191d0f4f41bffcf85941d143849d43babfe45f1091ccc4

  • SHA512

    497e269d3dc909c273f5c0082c7d62d9014741d5003f592a2a178dcb93bbc3de6cb4646cb71fbe38c603d663960316a077d5a907ad35c0e4bb947bf6365e5057

Malware Config

Extracted

Family

danabot

Version

1987

Botnet

4

C2

142.11.244.124:443

142.11.206.50:443

Attributes
  • embedded_hash

    6AD9FE4F9E491E785665E0D144F61DAB

rsa_privkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

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

  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 2 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.

  • 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 24 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a28b4d44c63583f0f9f4fdf8da5615d7.exe
    "C:\Users\Admin\AppData\Local\Temp\a28b4d44c63583f0f9f4fdf8da5615d7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\A28B4D~1.TMP,S C:\Users\Admin\AppData\Local\Temp\A28B4D~1.EXE
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\A28B4D~1.TMP,kUpHTQ==
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3644
        • 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\tmpC4D7.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1320
        • 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\tmpE86F.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2928
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:3464
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:2172
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:3480

        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

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          26af65cbb11480fa1e5ce0b232dd1dfb

          SHA1

          fa17c2c3f417d80dfed9a153b20b61a595046748

          SHA256

          63ac430b3c16751c4f3d083243f13f350783196f1e108ff6c3c235b3deb3dae8

          SHA512

          b0be9f589d61e5eea42ef98ade61f445017d5d2914ba081544616eda59294d4aaccb6c180a456986d6bd9ed897fc598dd8605f23a8c2267165590422d34f725c

        • 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

          356427eb83e073afcd54e8001e1789aa

          SHA1

          426afbe991ab19fce2c9715a2c6caa0711e644a1

          SHA256

          09a48bcc52ef4f8f17a42c482dcd0d35a10c9ff72445df4c47fbd2131e33d574

          SHA512

          d8ccac61f90e9e8f25fd9ed8531d6f2d72c5e75ae328d9c3dd1d3c512263a0dfaf38f3625009aef45cdf7ffb8b0a78e5b9540f07f62e1be6bd2c947c97471302

        • C:\Users\Admin\AppData\Local\Temp\A28B4D~1.TMP
          MD5

          02e6a2ff71d8467f7d4113a20a66a039

          SHA1

          80c16bbcc268ee67bc149d2fd8c270eda9c1ecda

          SHA256

          d7fbb290d9f24ae5f547fe60268e636f205367104aed7fe7b9563f3996ced443

          SHA512

          030addbf66f19acb4b82446a0c3da786cb6a7080ab60418db24c335afbd26069ff26efe0b70512348db6f4404cfcfdaad4aa3874d6edf5fcb771cfab7eb872ae

        • C:\Users\Admin\AppData\Local\Temp\tmpC4D7.tmp.ps1
          MD5

          7bccaccce8556ab816c1e3ef2162763e

          SHA1

          5bc602c4b55505e440d14ac5ea506967310d948c

          SHA256

          37b2da43c32014ad63f4dc7831defc821025d0bd781b2143d3d0f1023812ad3c

          SHA512

          ec8593484b3e7d5b87e6f4d7b370034bb6aa19dbb24f53b325f1cd35de8e8acda029ac56c9381a4b25e76bad6cc7ac04059665e250a179c5c792b6dc155249fe

        • C:\Users\Admin\AppData\Local\Temp\tmpC4E8.tmp
          MD5

          c416c12d1b2b1da8c8655e393b544362

          SHA1

          fb1a43cd8e1c556c2d25f361f42a21293c29e447

          SHA256

          0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046

          SHA512

          cb6d3636be4330aa2fd577c3636d0b7165f92ee817e98f21180ba0c918eb76f4e38f025086593a0e508234ca981cfec2c53482b0e9cc0acfa885fefbdf89913c

        • C:\Users\Admin\AppData\Local\Temp\tmpE86F.tmp.ps1
          MD5

          6f42f40f94fed4ac42cf6493d05dd62e

          SHA1

          54b8e50645f93218c5779f3d7aa65b197b3d17c9

          SHA256

          292e99737e5c2f708c34aa9b4b860afe3a979f380b3de1bcc477b14cef7740bf

          SHA512

          9b286759711dc31ccd651fcacb54319f07ac96e2c794bd758520eafa7d1b6c99e125170484c2a1def0f653770bacaeec53d9f039b01e8907d0c9b2d7f9ecbddc

        • C:\Users\Admin\AppData\Local\Temp\tmpE870.tmp
          MD5

          1860260b2697808b80802352fe324782

          SHA1

          f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

          SHA256

          0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

          SHA512

          d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

        • \Users\Admin\AppData\Local\Temp\A28B4D~1.TMP
          MD5

          02e6a2ff71d8467f7d4113a20a66a039

          SHA1

          80c16bbcc268ee67bc149d2fd8c270eda9c1ecda

          SHA256

          d7fbb290d9f24ae5f547fe60268e636f205367104aed7fe7b9563f3996ced443

          SHA512

          030addbf66f19acb4b82446a0c3da786cb6a7080ab60418db24c335afbd26069ff26efe0b70512348db6f4404cfcfdaad4aa3874d6edf5fcb771cfab7eb872ae

        • \Users\Admin\AppData\Local\Temp\A28B4D~1.TMP
          MD5

          02e6a2ff71d8467f7d4113a20a66a039

          SHA1

          80c16bbcc268ee67bc149d2fd8c270eda9c1ecda

          SHA256

          d7fbb290d9f24ae5f547fe60268e636f205367104aed7fe7b9563f3996ced443

          SHA512

          030addbf66f19acb4b82446a0c3da786cb6a7080ab60418db24c335afbd26069ff26efe0b70512348db6f4404cfcfdaad4aa3874d6edf5fcb771cfab7eb872ae

        • memory/1320-136-0x0000000000000000-mapping.dmp
        • memory/1320-157-0x0000000008950000-0x0000000008951000-memory.dmp
          Filesize

          4KB

        • memory/1320-140-0x0000000006DD0000-0x0000000006DD1000-memory.dmp
          Filesize

          4KB

        • memory/1320-142-0x0000000000F52000-0x0000000000F53000-memory.dmp
          Filesize

          4KB

        • memory/1320-141-0x0000000000F50000-0x0000000000F51000-memory.dmp
          Filesize

          4KB

        • memory/1320-143-0x0000000006B50000-0x0000000006B51000-memory.dmp
          Filesize

          4KB

        • memory/1320-144-0x0000000007400000-0x0000000007401000-memory.dmp
          Filesize

          4KB

        • memory/1320-145-0x0000000006BF0000-0x0000000006BF1000-memory.dmp
          Filesize

          4KB

        • memory/1320-146-0x0000000007550000-0x0000000007551000-memory.dmp
          Filesize

          4KB

        • memory/1320-147-0x0000000007490000-0x0000000007491000-memory.dmp
          Filesize

          4KB

        • memory/1320-148-0x0000000007E00000-0x0000000007E01000-memory.dmp
          Filesize

          4KB

        • memory/1320-149-0x0000000007C20000-0x0000000007C21000-memory.dmp
          Filesize

          4KB

        • memory/1320-161-0x0000000000F53000-0x0000000000F54000-memory.dmp
          Filesize

          4KB

        • memory/1320-151-0x0000000000FB0000-0x0000000000FB1000-memory.dmp
          Filesize

          4KB

        • memory/1320-156-0x00000000093C0000-0x00000000093C1000-memory.dmp
          Filesize

          4KB

        • memory/1320-139-0x0000000000CB0000-0x0000000000CB1000-memory.dmp
          Filesize

          4KB

        • memory/1320-158-0x00000000089F0000-0x00000000089F1000-memory.dmp
          Filesize

          4KB

        • memory/2172-189-0x0000000000000000-mapping.dmp
        • memory/2380-128-0x00000000051C0000-0x0000000006456000-memory.dmp
          Filesize

          18.6MB

        • memory/2380-114-0x0000000000000000-mapping.dmp
        • memory/2928-173-0x00000000075F0000-0x00000000075F1000-memory.dmp
          Filesize

          4KB

        • memory/2928-169-0x0000000006980000-0x0000000006981000-memory.dmp
          Filesize

          4KB

        • memory/2928-170-0x0000000006982000-0x0000000006983000-memory.dmp
          Filesize

          4KB

        • memory/2928-176-0x0000000007980000-0x0000000007981000-memory.dmp
          Filesize

          4KB

        • memory/2928-188-0x0000000006983000-0x0000000006984000-memory.dmp
          Filesize

          4KB

        • memory/2928-162-0x0000000000000000-mapping.dmp
        • memory/3128-117-0x0000000002770000-0x000000000286F000-memory.dmp
          Filesize

          1020KB

        • memory/3128-118-0x0000000000400000-0x000000000097F000-memory.dmp
          Filesize

          5.5MB

        • memory/3464-185-0x0000000000000000-mapping.dmp
        • memory/3480-190-0x0000000000000000-mapping.dmp
        • memory/3644-131-0x0000000004B30000-0x0000000005DC6000-memory.dmp
          Filesize

          18.6MB

        • memory/3644-125-0x0000000000000000-mapping.dmp