Resubmissions

22-07-2021 09:18

210722-ydretqbwr2 10

15-06-2021 07:10

210615-6bq6v53l4a 10

Analysis

  • max time kernel
    136s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15-06-2021 07:10

General

  • Target

    3df0a041551e82f2c84e56c36de75c3f.exe

  • Size

    6.0MB

  • MD5

    3df0a041551e82f2c84e56c36de75c3f

  • SHA1

    d3e0a9050e3d11e3b76b491338e42a3655b280cd

  • SHA256

    f01d195f4dbf1e4be25a170eba29671d2d7923888028bceb3895cdcb3641b216

  • SHA512

    ccb5ed9af4da5e67eda57864a336eb9f58a3c259a4c8cf526c8e2fec2cb5f75b81aa65047250ea62b4d0440e6494dd28ac4104ec780adb148a7748fe70383e54

Malware Config

Extracted

Family

danabot

Version

1827

Botnet

3

C2

192.210.198.12:443

37.220.31.50:443

184.95.51.183:443

184.95.51.175:443

Attributes
  • embedded_hash

    410EB249B3A3D8613B29638D583F7193

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
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 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:\Users\Admin\AppData\Local\Temp\3df0a041551e82f2c84e56c36de75c3f.exe
    "C:\Users\Admin\AppData\Local\Temp\3df0a041551e82f2c84e56c36de75c3f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\3DF0A0~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\3DF0A0~1.EXE
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\3DF0A0~1.DLL,KQoffI2I
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1848
        • 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\tmpEC0B.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2124
        • 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\tmp1139.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:744
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:3164
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:3112
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:368

        Network

        MITRE ATT&CK Enterprise v6

        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

          d65f0319fb24f811ffe3f45aa7b3cf56

          SHA1

          c1a805e9d7030944d79f435b6319fab5c0ff6203

          SHA256

          f073bee6bcef4485d93b0a4f4c565ad377cd13de1c7bb0b7acda3ab102b6e470

          SHA512

          c3cff80e26465836bfeb73c21bea74f1bf73877fb7d3c1abf4eec045d78976c88f8a79f5339931b02ace5ab9ae5f661008f213e9e444ea9493dcc4788ab16313

        • C:\Users\Admin\AppData\Local\Temp\3DF0A0~1.DLL

          MD5

          d737e87a8c985246adb399d0a8bf9b3b

          SHA1

          2ed4f18c905108e45535ea0e8fa7cb2187675f87

          SHA256

          ab5742f22795a19c1cff270d3d3fef390e43a6a12bba6b69bbe54d479f9502f7

          SHA512

          9257b42d3b4ded392582d72107692d212d46252f218754149882c8faa65aae06881eee8be291f96da43f88f120878faeba23fa3c98f9cf99c9392f702f1a949b

        • C:\Users\Admin\AppData\Local\Temp\tmp1139.tmp.ps1

          MD5

          1a16feb4df8b84507c5ba54f8297eb37

          SHA1

          b62ddef1c58598981da2db659694176ed29f4430

          SHA256

          ff92dec4996364f8a9331539b89a981899047f1dda4c5098ce461172cd494274

          SHA512

          299f43e3db54bf10ad848b3dab51aa373b54900295d36b455e11de2cbf15bca8b8b40cdcf1b9b17b75b28af5c3cc837b38d560c84c25b17e1ae46e013284a868

        • C:\Users\Admin\AppData\Local\Temp\tmp114A.tmp

          MD5

          1860260b2697808b80802352fe324782

          SHA1

          f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

          SHA256

          0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

          SHA512

          d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

        • C:\Users\Admin\AppData\Local\Temp\tmpEC0B.tmp.ps1

          MD5

          ada33475e50a80771320a69991862c2d

          SHA1

          1d5c583b8d488dbbf6c60eb2592366875891ef4d

          SHA256

          47970f62a88d87b49e280788001f679d999f3dfacfbccb3a530171a102ad9771

          SHA512

          52d02b2f5effc46869561c0ca4b5a64bfaca8741e11a827bf990355972177b45d313e6dcf299b83f7e59fcf2ed76235da9881d4049200e86e45078f28e4dca95

        • C:\Users\Admin\AppData\Local\Temp\tmpEC0C.tmp

          MD5

          c416c12d1b2b1da8c8655e393b544362

          SHA1

          fb1a43cd8e1c556c2d25f361f42a21293c29e447

          SHA256

          0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046

          SHA512

          cb6d3636be4330aa2fd577c3636d0b7165f92ee817e98f21180ba0c918eb76f4e38f025086593a0e508234ca981cfec2c53482b0e9cc0acfa885fefbdf89913c

        • \Users\Admin\AppData\Local\Temp\3DF0A0~1.DLL

          MD5

          d737e87a8c985246adb399d0a8bf9b3b

          SHA1

          2ed4f18c905108e45535ea0e8fa7cb2187675f87

          SHA256

          ab5742f22795a19c1cff270d3d3fef390e43a6a12bba6b69bbe54d479f9502f7

          SHA512

          9257b42d3b4ded392582d72107692d212d46252f218754149882c8faa65aae06881eee8be291f96da43f88f120878faeba23fa3c98f9cf99c9392f702f1a949b

        • \Users\Admin\AppData\Local\Temp\3DF0A0~1.DLL

          MD5

          d737e87a8c985246adb399d0a8bf9b3b

          SHA1

          2ed4f18c905108e45535ea0e8fa7cb2187675f87

          SHA256

          ab5742f22795a19c1cff270d3d3fef390e43a6a12bba6b69bbe54d479f9502f7

          SHA512

          9257b42d3b4ded392582d72107692d212d46252f218754149882c8faa65aae06881eee8be291f96da43f88f120878faeba23fa3c98f9cf99c9392f702f1a949b

        • \Users\Admin\AppData\Local\Temp\3DF0A0~1.DLL

          MD5

          d737e87a8c985246adb399d0a8bf9b3b

          SHA1

          2ed4f18c905108e45535ea0e8fa7cb2187675f87

          SHA256

          ab5742f22795a19c1cff270d3d3fef390e43a6a12bba6b69bbe54d479f9502f7

          SHA512

          9257b42d3b4ded392582d72107692d212d46252f218754149882c8faa65aae06881eee8be291f96da43f88f120878faeba23fa3c98f9cf99c9392f702f1a949b

        • memory/368-185-0x0000000000000000-mapping.dmp

        • memory/744-183-0x0000000000B33000-0x0000000000B34000-memory.dmp

          Filesize

          4KB

        • memory/744-165-0x0000000007630000-0x0000000007631000-memory.dmp

          Filesize

          4KB

        • memory/744-156-0x0000000000000000-mapping.dmp

        • memory/744-171-0x0000000007E90000-0x0000000007E91000-memory.dmp

          Filesize

          4KB

        • memory/744-169-0x0000000000B32000-0x0000000000B33000-memory.dmp

          Filesize

          4KB

        • memory/744-168-0x0000000000B30000-0x0000000000B31000-memory.dmp

          Filesize

          4KB

        • memory/808-114-0x00000000035E0000-0x0000000003CE7000-memory.dmp

          Filesize

          7.0MB

        • memory/808-116-0x0000000000400000-0x00000000011C9000-memory.dmp

          Filesize

          13.8MB

        • memory/808-115-0x0000000001250000-0x000000000139A000-memory.dmp

          Filesize

          1.3MB

        • memory/1848-129-0x0000000004A80000-0x0000000004A81000-memory.dmp

          Filesize

          4KB

        • memory/1848-167-0x00000000005E0000-0x000000000072A000-memory.dmp

          Filesize

          1.3MB

        • memory/1848-128-0x0000000004E61000-0x00000000054C0000-memory.dmp

          Filesize

          6.4MB

        • memory/1848-125-0x0000000004370000-0x0000000004935000-memory.dmp

          Filesize

          5.8MB

        • memory/1848-122-0x0000000000000000-mapping.dmp

        • memory/2124-140-0x00000000074F0000-0x00000000074F1000-memory.dmp

          Filesize

          4KB

        • memory/2124-137-0x0000000006BE0000-0x0000000006BE1000-memory.dmp

          Filesize

          4KB

        • memory/2124-145-0x0000000006810000-0x0000000006811000-memory.dmp

          Filesize

          4KB

        • memory/2124-150-0x0000000009440000-0x0000000009441000-memory.dmp

          Filesize

          4KB

        • memory/2124-151-0x00000000089D0000-0x00000000089D1000-memory.dmp

          Filesize

          4KB

        • memory/2124-152-0x0000000008C80000-0x0000000008C81000-memory.dmp

          Filesize

          4KB

        • memory/2124-142-0x00000000079A0000-0x00000000079A1000-memory.dmp

          Filesize

          4KB

        • memory/2124-155-0x0000000006633000-0x0000000006634000-memory.dmp

          Filesize

          4KB

        • memory/2124-141-0x0000000007860000-0x0000000007861000-memory.dmp

          Filesize

          4KB

        • memory/2124-139-0x0000000007480000-0x0000000007481000-memory.dmp

          Filesize

          4KB

        • memory/2124-138-0x0000000007310000-0x0000000007311000-memory.dmp

          Filesize

          4KB

        • memory/2124-143-0x0000000007CE0000-0x0000000007CE1000-memory.dmp

          Filesize

          4KB

        • memory/2124-136-0x0000000006C70000-0x0000000006C71000-memory.dmp

          Filesize

          4KB

        • memory/2124-135-0x0000000006632000-0x0000000006633000-memory.dmp

          Filesize

          4KB

        • memory/2124-134-0x0000000006630000-0x0000000006631000-memory.dmp

          Filesize

          4KB

        • memory/2124-133-0x00000000064E0000-0x00000000064E1000-memory.dmp

          Filesize

          4KB

        • memory/2124-130-0x0000000000000000-mapping.dmp

        • memory/2556-127-0x0000000003080000-0x0000000003081000-memory.dmp

          Filesize

          4KB

        • memory/2556-126-0x0000000005141000-0x00000000057A0000-memory.dmp

          Filesize

          6.4MB

        • memory/2556-117-0x0000000000000000-mapping.dmp

        • memory/3112-184-0x0000000000000000-mapping.dmp

        • memory/3164-180-0x0000000000000000-mapping.dmp