Analysis

  • max time kernel
    140s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    25-07-2021 08:02

General

  • Target

    b7be87f68035db926317eb59c289fcd3.exe

  • Size

    1.2MB

  • MD5

    b7be87f68035db926317eb59c289fcd3

  • SHA1

    186f7e4ea34132f74b556de4aa0bb795fb7c6eab

  • SHA256

    641ddfbeb79686d53e97f99b043550cde7d19ef91c6e611f02ad80f33daaf4ad

  • SHA512

    305a4fc92f4ca5e4e4956c69ed4f105eb2f2b460a768d9e6ed5790ce31aa2335a8573695803dff2b1ac88356d7b6c3b7a676c8912dbfa0aeca751217481b8eff

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 25 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\b7be87f68035db926317eb59c289fcd3.exe
    "C:\Users\Admin\AppData\Local\Temp\b7be87f68035db926317eb59c289fcd3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\B7BE87~1.TMP,S C:\Users\Admin\AppData\Local\Temp\B7BE87~1.EXE
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\B7BE87~1.TMP,EwsISDZKdFc=
        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:3584
        • 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\tmp563F.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1520
        • 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\tmp697B.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2220
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:2200
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:2764
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1372

        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

          b2b4ed93d5effe209d9613e446f4bce3

          SHA1

          2ba57bce3da8428eb8b43e6e2ac2732d3f0ca0b6

          SHA256

          c33d4b03437068364751cee9c802c0639b471e555aa9c03a383c0385ecab1545

          SHA512

          0c0b1b4b339c2ecdb368d8f1d4078eabe27ffef5aff5ab0ba1c2fad2b3791b9132a6404c75cf1b5f4ad95185c9530049ebd7235d034a6602535285397fc7e080

        • 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

          7f3a9af738abcdb9031a76bee1149d20

          SHA1

          d7f6d937c42f02555fc5ff1deb695a27cf3f64e6

          SHA256

          908baa0c3905dfb4f9d6a1a60a12377b8636ccb6fa37f10aa3c0334bd13d796c

          SHA512

          1632bad6472fab5aec0ca391e83117f323f64df7637798230d02741180489e8eddae4878abbee5b22d602181937adfc53940b98f57c272cee0b6f3c959871434

        • C:\Users\Admin\AppData\Local\Temp\B7BE87~1.TMP
          MD5

          ee13cc90fabfc6ac9c4e8a00ed3805af

          SHA1

          b50098d0e99a9f0f88624e58701c1a9570e421ae

          SHA256

          3fde70aec3497bc38df7518fcf190ae5ebbdd8c85976c28a17f7a43eaac9e92b

          SHA512

          5d0523bb8753f9bb6043df3d3e62cb0e479581e48b41efd86bc2a2c99c98654f5fcf36aa3366fbf8c30739296269b5b48b1d4d81a364d862e540fe7204ed4537

        • C:\Users\Admin\AppData\Local\Temp\tmp563F.tmp.ps1
          MD5

          5aa6b11ae4b08ad0c58efac6c520d5a4

          SHA1

          314130d0036c560b692283e44d768e104e27eeca

          SHA256

          89117a738eaeea41063a79168606bfec692d5c5ad6944728a08f790206c59bb4

          SHA512

          d8fe024e394fa95273b08e402dd39acb888993cb8fa147b80ba3d56080cafd7e3e1222cc335bd889411c3e4f41f809bd7acaad4d59f86586cc3d9555df05b5d9

        • C:\Users\Admin\AppData\Local\Temp\tmp5640.tmp
          MD5

          c416c12d1b2b1da8c8655e393b544362

          SHA1

          fb1a43cd8e1c556c2d25f361f42a21293c29e447

          SHA256

          0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046

          SHA512

          cb6d3636be4330aa2fd577c3636d0b7165f92ee817e98f21180ba0c918eb76f4e38f025086593a0e508234ca981cfec2c53482b0e9cc0acfa885fefbdf89913c

        • C:\Users\Admin\AppData\Local\Temp\tmp697B.tmp.ps1
          MD5

          de222d61a5adb05bdf69bea319f6b2f7

          SHA1

          ce7b7b4e53c8f006a76fe5f0cfdd282433121433

          SHA256

          825c454d5e62f34916cdf7a7063f0fcace4db02851f8c7ad47d02ce19f2428e4

          SHA512

          33736695b63bc3597433941d1605c280a167dd05a5b4ae417bea4cb2fe13a807b77d6428ab7e2b047936153519efb35206aa076ec11ff6894ad3be9d3c38ba1e

        • C:\Users\Admin\AppData\Local\Temp\tmp697C.tmp
          MD5

          1860260b2697808b80802352fe324782

          SHA1

          f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

          SHA256

          0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

          SHA512

          d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

        • \Users\Admin\AppData\Local\Temp\B7BE87~1.TMP
          MD5

          ee13cc90fabfc6ac9c4e8a00ed3805af

          SHA1

          b50098d0e99a9f0f88624e58701c1a9570e421ae

          SHA256

          3fde70aec3497bc38df7518fcf190ae5ebbdd8c85976c28a17f7a43eaac9e92b

          SHA512

          5d0523bb8753f9bb6043df3d3e62cb0e479581e48b41efd86bc2a2c99c98654f5fcf36aa3366fbf8c30739296269b5b48b1d4d81a364d862e540fe7204ed4537

        • \Users\Admin\AppData\Local\Temp\B7BE87~1.TMP
          MD5

          ee13cc90fabfc6ac9c4e8a00ed3805af

          SHA1

          b50098d0e99a9f0f88624e58701c1a9570e421ae

          SHA256

          3fde70aec3497bc38df7518fcf190ae5ebbdd8c85976c28a17f7a43eaac9e92b

          SHA512

          5d0523bb8753f9bb6043df3d3e62cb0e479581e48b41efd86bc2a2c99c98654f5fcf36aa3366fbf8c30739296269b5b48b1d4d81a364d862e540fe7204ed4537

        • memory/1372-190-0x0000000000000000-mapping.dmp
        • memory/1520-148-0x0000000007F90000-0x0000000007F91000-memory.dmp
          Filesize

          4KB

        • memory/1520-158-0x0000000006DC0000-0x0000000006DC1000-memory.dmp
          Filesize

          4KB

        • memory/1520-141-0x00000000071A0000-0x00000000071A1000-memory.dmp
          Filesize

          4KB

        • memory/1520-142-0x0000000007A80000-0x0000000007A81000-memory.dmp
          Filesize

          4KB

        • memory/1520-143-0x0000000007290000-0x0000000007291000-memory.dmp
          Filesize

          4KB

        • memory/1520-144-0x0000000006D10000-0x0000000006D11000-memory.dmp
          Filesize

          4KB

        • memory/1520-146-0x0000000007B80000-0x0000000007B81000-memory.dmp
          Filesize

          4KB

        • memory/1520-145-0x0000000006D12000-0x0000000006D13000-memory.dmp
          Filesize

          4KB

        • memory/1520-147-0x0000000007330000-0x0000000007331000-memory.dmp
          Filesize

          4KB

        • memory/1520-169-0x0000000006D13000-0x0000000006D14000-memory.dmp
          Filesize

          4KB

        • memory/1520-149-0x0000000008320000-0x0000000008321000-memory.dmp
          Filesize

          4KB

        • memory/1520-139-0x0000000004750000-0x0000000004751000-memory.dmp
          Filesize

          4KB

        • memory/1520-151-0x00000000083C0000-0x00000000083C1000-memory.dmp
          Filesize

          4KB

        • memory/1520-156-0x0000000009A10000-0x0000000009A11000-memory.dmp
          Filesize

          4KB

        • memory/1520-157-0x0000000008FB0000-0x0000000008FB1000-memory.dmp
          Filesize

          4KB

        • memory/1520-140-0x0000000007350000-0x0000000007351000-memory.dmp
          Filesize

          4KB

        • memory/1520-136-0x0000000000000000-mapping.dmp
        • memory/2200-185-0x0000000000000000-mapping.dmp
        • memory/2220-171-0x0000000004D30000-0x0000000004D31000-memory.dmp
          Filesize

          4KB

        • memory/2220-161-0x0000000000000000-mapping.dmp
        • memory/2220-173-0x0000000008040000-0x0000000008041000-memory.dmp
          Filesize

          4KB

        • memory/2220-172-0x0000000004D32000-0x0000000004D33000-memory.dmp
          Filesize

          4KB

        • memory/2220-176-0x0000000008550000-0x0000000008551000-memory.dmp
          Filesize

          4KB

        • memory/2220-189-0x0000000004D33000-0x0000000004D34000-memory.dmp
          Filesize

          4KB

        • memory/2764-188-0x0000000000000000-mapping.dmp
        • memory/3560-117-0x0000000002310000-0x0000000002410000-memory.dmp
          Filesize

          1024KB

        • memory/3560-118-0x0000000000400000-0x0000000000546000-memory.dmp
          Filesize

          1.3MB

        • memory/3584-125-0x0000000000000000-mapping.dmp
        • memory/3584-135-0x0000000004EF0000-0x0000000006186000-memory.dmp
          Filesize

          18.6MB

        • memory/4016-114-0x0000000000000000-mapping.dmp
        • memory/4016-128-0x0000000004B70000-0x0000000005E06000-memory.dmp
          Filesize

          18.6MB