Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2023 14:35

General

  • Target

    5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee.exe

  • Size

    908KB

  • MD5

    d37057ddacd28e391e837d5546afcb7b

  • SHA1

    a5991fc91e81dfcda292869010af0aa70265296a

  • SHA256

    5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee

  • SHA512

    e3cb56df554309ba1d581c222f6b7ded1afb75f95f60ee13aa4c6fc153d61e03b61e9e83691f31d0dab06eba8c96cce963dba888912935b00e2357593095d5e5

  • SSDEEP

    12288:ybz6wJ9k3IpnZvQEh3QMm8nuO+oibB1Yy9P0XE4oK0jYdCeTdvnBn:Ov9Dp1Q03g8j6Fw9SYYeTdvB

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tcci.org.sa
  • Port:
    587
  • Username:
    salem.jaza@tcci.org.sa
  • Password:
    Brown3044

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee.exe
    "C:\Users\Admin\AppData\Local\Temp\5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
        PID:2888
      • C:\Users\Admin\AppData\Local\Temp\5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee.exe
        "C:\Users\Admin\AppData\Local\Temp\5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3156
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:480
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe"
            4⤵
              PID:2856
            • C:\Users\Admin\AppData\Roaming\Windows Update.exe
              "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
              4⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4532
              • 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"
                5⤵
                • Accesses Microsoft Outlook accounts
                PID:3676
              • 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"
                5⤵
                  PID:568

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scripting

        1
        T1064

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Scripting

        1
        T1064

        Modify Registry

        1
        T1112

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          102B

          MD5

          d17220a7ab0b9079af2d585473d2819e

          SHA1

          3ddcc2f08c4a00c73e1ebaf3c32861ea12855b63

          SHA256

          459bd6f97d922c525feacc15ef8e5dbecf6c26eb4a9705fbc6fce2b20199b070

          SHA512

          be4185fec33db458f89aeb5d83d07ed87e1419d1ca2c593f72c4b6c41a35f33cc992aad017347c1ae85e02302af68a09eabdf0645696f181867a146aa915a9d1

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

          3KB

          MD5

          f94dc819ca773f1e3cb27abbc9e7fa27

          SHA1

          9a7700efadc5ea09ab288544ef1e3cd876255086

          SHA256

          a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

          SHA512

          72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

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

          89KB

          MD5

          84c42d0f2c1ae761bef884638bc1eacd

          SHA1

          4353881e7f4e9c7610f4e0489183b55bb58bb574

          SHA256

          331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

          SHA512

          43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          908KB

          MD5

          d37057ddacd28e391e837d5546afcb7b

          SHA1

          a5991fc91e81dfcda292869010af0aa70265296a

          SHA256

          5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee

          SHA512

          e3cb56df554309ba1d581c222f6b7ded1afb75f95f60ee13aa4c6fc153d61e03b61e9e83691f31d0dab06eba8c96cce963dba888912935b00e2357593095d5e5

        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          908KB

          MD5

          d37057ddacd28e391e837d5546afcb7b

          SHA1

          a5991fc91e81dfcda292869010af0aa70265296a

          SHA256

          5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee

          SHA512

          e3cb56df554309ba1d581c222f6b7ded1afb75f95f60ee13aa4c6fc153d61e03b61e9e83691f31d0dab06eba8c96cce963dba888912935b00e2357593095d5e5

        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          908KB

          MD5

          d37057ddacd28e391e837d5546afcb7b

          SHA1

          a5991fc91e81dfcda292869010af0aa70265296a

          SHA256

          5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee

          SHA512

          e3cb56df554309ba1d581c222f6b7ded1afb75f95f60ee13aa4c6fc153d61e03b61e9e83691f31d0dab06eba8c96cce963dba888912935b00e2357593095d5e5

        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          908KB

          MD5

          d37057ddacd28e391e837d5546afcb7b

          SHA1

          a5991fc91e81dfcda292869010af0aa70265296a

          SHA256

          5e1a82be9d8f3ed23343ff5dd356625fabb8a16fb2e8e637051913a9f05342ee

          SHA512

          e3cb56df554309ba1d581c222f6b7ded1afb75f95f60ee13aa4c6fc153d61e03b61e9e83691f31d0dab06eba8c96cce963dba888912935b00e2357593095d5e5

        • memory/480-154-0x00000000019B0000-0x00000000019C0000-memory.dmp
          Filesize

          64KB

        • memory/568-177-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/568-173-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/568-171-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/868-133-0x0000000000A40000-0x0000000000A50000-memory.dmp
          Filesize

          64KB

        • memory/3156-141-0x0000000000620000-0x0000000000630000-memory.dmp
          Filesize

          64KB

        • memory/3156-138-0x0000000000620000-0x0000000000630000-memory.dmp
          Filesize

          64KB

        • memory/3676-165-0x0000000000420000-0x00000000004E9000-memory.dmp
          Filesize

          804KB

        • memory/3676-164-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/3676-166-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/3676-162-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/4532-169-0x0000000001030000-0x0000000001040000-memory.dmp
          Filesize

          64KB

        • memory/4532-170-0x0000000001030000-0x0000000001040000-memory.dmp
          Filesize

          64KB

        • memory/4532-156-0x0000000001030000-0x0000000001040000-memory.dmp
          Filesize

          64KB

        • memory/4532-155-0x0000000001030000-0x0000000001040000-memory.dmp
          Filesize

          64KB

        • memory/4532-152-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB