Resubmissions

08-06-2022 18:02

220608-wmrwraafhk 10

08-06-2022 17:56

220608-wjbelaeeb4 10

Analysis

  • max time kernel
    1803s
  • max time network
    1802s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-06-2022 18:02

General

  • Target

    Aepfxfnvtbhazznvyqqgljtzsbpyrqphao.exe

  • Size

    1.0MB

  • MD5

    3daa66d053bf5aa603c9db0af979d2b7

  • SHA1

    5beb955aef82e5e487b50c3a7ba38ec76d93e760

  • SHA256

    bda842fc1f63fc6ab60f1964cbb4f25e655b92ffa0009d4b9a91f293e9b4f228

  • SHA512

    fd54c4568d7e508ce0b47ed6d71f519608b3e850bac54bba8f3f2dcdfa49fe9cc71caf366ebf089d090c399c25c8c2842fe9c6a1b7b494f1d03cf0b6bb8a91cb

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

oka.nerdpol.ovh:2223

Attributes
  • communication_password

    b6c6e855edf908ec7c12ce8c8e628a5c

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • XenArmor Suite

    XenArmor is as suite of password recovery tools for various application.

  • suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 10 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Aepfxfnvtbhazznvyqqgljtzsbpyrqphao.exe
    "C:\Users\Admin\AppData\Local\Temp\Aepfxfnvtbhazznvyqqgljtzsbpyrqphao.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\Aepfxfnvtbt.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3148
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Public\Libraries\AepfxfnvtbO.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:112
        • C:\Windows\SysWOW64\net.exe
          net session
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4476
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 session
            5⤵
              PID:4564
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4540
      • C:\Windows\SysWOW64\DpiScaling.exe
        C:\Windows\System32\DpiScaling.exe
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3808
        • C:\Windows\SysWOW64\DpiScaling.exe
          -a "C:\Users\Admin\AppData\Local\72554573\plg\6VuGPcPA.json"
          3⤵
            PID:2788
          • C:\Users\Admin\AppData\Local\Temp\6VuGPcPA.exe
            -a "C:\Users\Admin\AppData\Local\72554573\plg\6VuGPcPA.json"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4992
            • C:\Users\Admin\AppData\Local\Temp\6VuGPcPA.exe
              -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Accesses Microsoft Outlook accounts
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2324

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      4
      T1081

      Collection

      Data from Local System

      4
      T1005

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\72554573\plg\6VuGPcPA.json
        Filesize

        1KB

        MD5

        ce3e2f5f04eff81b3b7130a90a8e3a6e

        SHA1

        fe9ac39d1db0a28aeef54741003d3f639125dc1c

        SHA256

        b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

        SHA512

        8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

      • C:\Users\Admin\AppData\Local\Temp\6VuGPcPA.exe
        Filesize

        402B

        MD5

        ca42e05f9d53c7ec9383307c1ea282bb

        SHA1

        ed0efa1b59b461dcda08121a39411bee72f6b4cb

        SHA256

        63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

        SHA512

        4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

      • C:\Users\Admin\AppData\Local\Temp\6VuGPcPA.exe
        Filesize

        402B

        MD5

        ca42e05f9d53c7ec9383307c1ea282bb

        SHA1

        ed0efa1b59b461dcda08121a39411bee72f6b4cb

        SHA256

        63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

        SHA512

        4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

      • C:\Users\Admin\AppData\Local\Temp\6VuGPcPA.exe
        Filesize

        402B

        MD5

        ca42e05f9d53c7ec9383307c1ea282bb

        SHA1

        ed0efa1b59b461dcda08121a39411bee72f6b4cb

        SHA256

        63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

        SHA512

        4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

      • C:\Users\Admin\AppData\Local\Temp\License.XenArmor
        Filesize

        104B

        MD5

        4f3bde9212e17ef18226866d6ac739b6

        SHA1

        732733bec8314beb81437e60876ffa75e72ae6cd

        SHA256

        212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174

        SHA512

        10b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744

      • C:\Users\Admin\AppData\Local\Temp\License.XenArmor
        Filesize

        104B

        MD5

        bf5da170f7c9a8eae88d1cb1a191ff80

        SHA1

        dd1b991a1b03587a5d1edc94e919a2070e325610

        SHA256

        e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd

        SHA512

        9e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e

      • C:\Users\Admin\AppData\Local\Temp\Unknown.dll
        Filesize

        793KB

        MD5

        86114faba7e1ec4a667d2bcb2e23f024

        SHA1

        670df6e1ba1dc6bece046e8b2e573dd36748245e

        SHA256

        568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

        SHA512

        d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

      • C:\Users\Admin\AppData\Local\Temp\Unknown.dll
        Filesize

        793KB

        MD5

        86114faba7e1ec4a667d2bcb2e23f024

        SHA1

        670df6e1ba1dc6bece046e8b2e573dd36748245e

        SHA256

        568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

        SHA512

        d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

      • C:\Users\Admin\AppData\Local\Temp\unk.xml
        Filesize

        1KB

        MD5

        ce3e2f5f04eff81b3b7130a90a8e3a6e

        SHA1

        fe9ac39d1db0a28aeef54741003d3f639125dc1c

        SHA256

        b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

        SHA512

        8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

      • C:\Users\Public\Libraries\AepfxfnvtbO.bat
        Filesize

        1KB

        MD5

        df48c09f243ebcc8a165f77a1c2bf889

        SHA1

        455f7db0adcc2a58d006f1630fb0bd55cd868c07

        SHA256

        4ef9821678da07138c19405387f3fb95e409fbd461c7b8d847c05075facd63ca

        SHA512

        735838c7cca953697ded48adfcd037b7f198072a8962f5940ce12e1bb1c7dd8c1f257a829276f5f5456f776f5bd13342222dd6e0dfc8f18a23f464f2c8d8f1cc

      • C:\Users\Public\Libraries\Aepfxfnvtbt.bat
        Filesize

        59B

        MD5

        470593a6035275b546ae61afc7aac508

        SHA1

        864e25a233d2afb2d565f7ec3cf2b015edeccc04

        SHA256

        9ded2da968e60331b4c3b29ff19ab65db878f17ef96af703ca5ab94ceb7505e6

        SHA512

        862720d9846ac6a140bcf46abf1b75aca21faa54e28cd612b31340d49e7423713811ac35f78775b23eea559c5c2ad4c75058c2f0572b9907ac1241ad49a3d761

      • C:\Users\Public\Libraries\Cdex.bat
        Filesize

        155B

        MD5

        213c60adf1c9ef88dc3c9b2d579959d2

        SHA1

        e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

        SHA256

        37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

        SHA512

        fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

      • memory/112-146-0x0000000000000000-mapping.dmp
      • memory/2324-230-0x0000000000400000-0x00000000006FE000-memory.dmp
        Filesize

        3.0MB

      • memory/2324-228-0x0000000000400000-0x00000000006FE000-memory.dmp
        Filesize

        3.0MB

      • memory/2324-229-0x0000000000400000-0x00000000006FE000-memory.dmp
        Filesize

        3.0MB

      • memory/2324-225-0x0000000000400000-0x00000000006FE000-memory.dmp
        Filesize

        3.0MB

      • memory/2324-224-0x0000000000000000-mapping.dmp
      • memory/2324-234-0x0000000000400000-0x00000000006FE000-memory.dmp
        Filesize

        3.0MB

      • memory/2788-216-0x0000000000000000-mapping.dmp
      • memory/3148-144-0x0000000000000000-mapping.dmp
      • memory/3808-213-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-200-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-154-0x0000000000000000-mapping.dmp
      • memory/3808-155-0x0000000010410000-0x00000000107F4000-memory.dmp
        Filesize

        3.9MB

      • memory/3808-156-0x0000000010410000-0x00000000107F4000-memory.dmp
        Filesize

        3.9MB

      • memory/3808-158-0x0000000075940000-0x0000000075979000-memory.dmp
        Filesize

        228KB

      • memory/3808-161-0x00000000753A0000-0x00000000753D9000-memory.dmp
        Filesize

        228KB

      • memory/3808-163-0x0000000074B80000-0x0000000074BB9000-memory.dmp
        Filesize

        228KB

      • memory/3808-164-0x0000000010410000-0x00000000107F4000-memory.dmp
        Filesize

        3.9MB

      • memory/3808-215-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-175-0x0000000074FF0000-0x0000000075029000-memory.dmp
        Filesize

        228KB

      • memory/3808-176-0x0000000075940000-0x0000000075979000-memory.dmp
        Filesize

        228KB

      • memory/3808-177-0x00000000753A0000-0x00000000753D9000-memory.dmp
        Filesize

        228KB

      • memory/3808-178-0x0000000074B80000-0x0000000074BB9000-memory.dmp
        Filesize

        228KB

      • memory/3808-179-0x0000000074FF0000-0x0000000075029000-memory.dmp
        Filesize

        228KB

      • memory/3808-180-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-181-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-182-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-183-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-184-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-185-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-186-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-187-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-188-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-189-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-190-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-191-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-192-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-193-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-194-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-195-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-196-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-197-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-198-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-199-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-214-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-201-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-202-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-203-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-204-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-205-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-206-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-207-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-208-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-209-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-210-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-211-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/3808-212-0x0000000075600000-0x0000000075639000-memory.dmp
        Filesize

        228KB

      • memory/4476-148-0x0000000000000000-mapping.dmp
      • memory/4540-167-0x0000000007060000-0x000000000707E000-memory.dmp
        Filesize

        120KB

      • memory/4540-166-0x0000000075390000-0x00000000753DC000-memory.dmp
        Filesize

        304KB

      • memory/4540-160-0x0000000005970000-0x00000000059D6000-memory.dmp
        Filesize

        408KB

      • memory/4540-151-0x0000000000000000-mapping.dmp
      • memory/4540-152-0x0000000004B80000-0x0000000004BB6000-memory.dmp
        Filesize

        216KB

      • memory/4540-172-0x00000000074E0000-0x00000000074EE000-memory.dmp
        Filesize

        56KB

      • memory/4540-162-0x0000000005910000-0x000000000592E000-memory.dmp
        Filesize

        120KB

      • memory/4540-153-0x00000000051F0000-0x0000000005818000-memory.dmp
        Filesize

        6.2MB

      • memory/4540-165-0x0000000007080000-0x00000000070B2000-memory.dmp
        Filesize

        200KB

      • memory/4540-159-0x0000000005890000-0x00000000058F6000-memory.dmp
        Filesize

        408KB

      • memory/4540-173-0x00000000075E0000-0x00000000075FA000-memory.dmp
        Filesize

        104KB

      • memory/4540-174-0x00000000075D0000-0x00000000075D8000-memory.dmp
        Filesize

        32KB

      • memory/4540-171-0x0000000007520000-0x00000000075B6000-memory.dmp
        Filesize

        600KB

      • memory/4540-170-0x0000000007330000-0x000000000733A000-memory.dmp
        Filesize

        40KB

      • memory/4540-157-0x0000000004DC0000-0x0000000004DE2000-memory.dmp
        Filesize

        136KB

      • memory/4540-169-0x00000000072B0000-0x00000000072CA000-memory.dmp
        Filesize

        104KB

      • memory/4540-168-0x00000000078F0000-0x0000000007F6A000-memory.dmp
        Filesize

        6.5MB

      • memory/4564-149-0x0000000000000000-mapping.dmp
      • memory/4992-223-0x0000000000400000-0x00000000008DC000-memory.dmp
        Filesize

        4.9MB

      • memory/4992-222-0x0000000000400000-0x00000000008DC000-memory.dmp
        Filesize

        4.9MB

      • memory/4992-218-0x0000000000400000-0x00000000008DC000-memory.dmp
        Filesize

        4.9MB

      • memory/4992-217-0x0000000000000000-mapping.dmp
      • memory/4992-226-0x0000000000400000-0x00000000008DC000-memory.dmp
        Filesize

        4.9MB