Analysis

  • max time kernel
    127s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 18:11

General

  • Target

    def0634b97de032fca1c34f1aecec36362c82a1fdebf652321a9a52208f3a7df.exe

  • Size

    3.0MB

  • MD5

    b84dfc03c6f610a24bf3ddf7be7f6e54

  • SHA1

    311010b0638ba1d954f078f6a9b98b73386906b5

  • SHA256

    def0634b97de032fca1c34f1aecec36362c82a1fdebf652321a9a52208f3a7df

  • SHA512

    ce3c70d6c7ab8526334cd5ecb12282cb3382481893e39f4bb0090f1c801948a7d4a88deb87b2152766e58540d0c7f37e55c48964a13642a31c881008880342e0

  • SSDEEP

    49152:A8dXQmuGBnx07pCTyT6c7FQqEfTFfsWw0PFMO6:AoXBuYxv8vyqEfFLwCFM

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.messagingengine.com
  • Port:
    587
  • Username:
    azarbaijJ@fastmail.com
  • Password:
    qedrks8q9hlo8up1ao7hrljvc7

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\def0634b97de032fca1c34f1aecec36362c82a1fdebf652321a9a52208f3a7df.exe
    "C:\Users\Admin\AppData\Local\Temp\def0634b97de032fca1c34f1aecec36362c82a1fdebf652321a9a52208f3a7df.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Roaming\FolderName\mata.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1632
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Roaming\FolderName\invs.vbs" "C:\Users\Admin\AppData\Roaming\FolderName\mata2.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Roaming\FolderName\mata2.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:788
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderName\csrss.exe" /f
            5⤵
            • Modifies WinLogon for persistence
            PID:876
    • C:\Users\Admin\AppData\Roaming\svhost.exe
      C:\Users\Admin\AppData\Roaming\svhost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1548
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
          PID:1748
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Roaming\FolderName\svhost.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:432
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 300
          3⤵
          • Delays execution with timeout.exe
          PID:924

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Winlogon Helper DLL

    1
    T1004

    Defense Evasion

    Modify Registry

    2
    T1112

    Scripting

    1
    T1064

    Install Root Certificate

    1
    T1130

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\FolderName\csrss.exe
      Filesize

      3.0MB

      MD5

      b84dfc03c6f610a24bf3ddf7be7f6e54

      SHA1

      311010b0638ba1d954f078f6a9b98b73386906b5

      SHA256

      def0634b97de032fca1c34f1aecec36362c82a1fdebf652321a9a52208f3a7df

      SHA512

      ce3c70d6c7ab8526334cd5ecb12282cb3382481893e39f4bb0090f1c801948a7d4a88deb87b2152766e58540d0c7f37e55c48964a13642a31c881008880342e0

    • C:\Users\Admin\AppData\Roaming\FolderName\invs.vbs
      Filesize

      78B

      MD5

      c578d9653b22800c3eb6b6a51219bbb8

      SHA1

      a97aa251901bbe179a48dbc7a0c1872e163b1f2d

      SHA256

      20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

      SHA512

      3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

    • C:\Users\Admin\AppData\Roaming\FolderName\mata.bat
      Filesize

      76B

      MD5

      5e57f6f4e3242ad9719ed5e65346e83e

      SHA1

      72346d0208c5edeb69f41ddb4374d56d87221dad

      SHA256

      4ffb3e764dfbc48145231f19e2217f666bc88a44c6f29adec6a5728223048d0c

      SHA512

      7dcd8a5a95965b94bf26ec02ab68b8f854f399d41fb713e4387f6fddb9914c465ccf909f92ee6704e9c0397a77f11f2ca803d68184aa414651988d95824a209f

    • C:\Users\Admin\AppData\Roaming\FolderName\mata2.bat
      Filesize

      272B

      MD5

      04f1ec7d48889d4cb4af9301dc545af8

      SHA1

      2984d621c74ac52e5931e8d5e9c452c945101df5

      SHA256

      5cfde47a64e3acd74f3a0a2403b9588186891fb458c015c776fc3f584945e312

      SHA512

      3bd602b9c83b1dfd3df0876d94ff1194388156090c36440e6611699bba80767d1b8668271efcad6b38e73ad2e5f97ce80b1ad391c17f6eaf44fdceb2b3c75bbb

    • C:\Users\Admin\AppData\Roaming\FolderName\svhost.bat
      Filesize

      207B

      MD5

      555506b15a163535d5f4a0a7ede4722b

      SHA1

      0624071a37435110a94651a87c9dfeda72aee845

      SHA256

      0bb7915fe5e7fedc4bdb1088a0f11210c901348abe86b169120613cdee41b4bd

      SHA512

      94530b0b9a5c0e03f42d1c2b9c2e320f1966ee35560bba9ea0bad6f652b8bcc4f5a9770f506d67070408bd71d97c8b8daf20241634cd0d41009196438fe9dfac

    • C:\Users\Admin\AppData\Roaming\svhost.exe
      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • C:\Users\Admin\AppData\Roaming\svhost.exe
      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • \Users\Admin\AppData\Roaming\svhost.exe
      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • memory/432-80-0x0000000000000000-mapping.dmp
    • memory/788-75-0x0000000000000000-mapping.dmp
    • memory/876-76-0x0000000000000000-mapping.dmp
    • memory/924-83-0x0000000000000000-mapping.dmp
    • memory/1004-84-0x00000000747E0000-0x0000000074D8B000-memory.dmp
      Filesize

      5.7MB

    • memory/1004-86-0x00000000747E0000-0x0000000074D8B000-memory.dmp
      Filesize

      5.7MB

    • memory/1004-55-0x00000000747E0000-0x0000000074D8B000-memory.dmp
      Filesize

      5.7MB

    • memory/1004-54-0x0000000075211000-0x0000000075213000-memory.dmp
      Filesize

      8KB

    • memory/1528-58-0x0000000000000000-mapping.dmp
    • memory/1548-89-0x0000000000411654-mapping.dmp
    • memory/1548-88-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1548-95-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1548-94-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1548-92-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1568-66-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1568-65-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1568-60-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1568-63-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1568-67-0x0000000000480C3E-mapping.dmp
    • memory/1568-85-0x00000000747E0000-0x0000000074D8B000-memory.dmp
      Filesize

      5.7MB

    • memory/1568-61-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1568-87-0x00000000747E0000-0x0000000074D8B000-memory.dmp
      Filesize

      5.7MB

    • memory/1568-77-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1568-93-0x0000000000BA5000-0x0000000000BB6000-memory.dmp
      Filesize

      68KB

    • memory/1568-71-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/1568-104-0x0000000000BA5000-0x0000000000BB6000-memory.dmp
      Filesize

      68KB

    • memory/1632-56-0x0000000000000000-mapping.dmp
    • memory/1748-100-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1748-101-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1748-103-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1748-97-0x0000000000442628-mapping.dmp
    • memory/1748-96-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB