Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    16-01-2024 22:00

General

  • Target

    bltool 2.7..2.exe

  • Size

    3.8MB

  • MD5

    e1c3bad47838c6ee4d8696854a5a09a0

  • SHA1

    06a48674f78b840cba9f8e8742b96a274c996f14

  • SHA256

    acc7b7e5b7a0c5e146cf6bc2a21be958d89978798afc479e76df6cf39857547a

  • SHA512

    5c266897401510bbdaa1b83af4372df226c9ee416adcf1a61cd67e4f6970e53c9f9699b02296037305dbac261625dec164cdc70abc7b59a0b048b2fea16e080f

  • SSDEEP

    98304:xl8QhfSIkbonul+rlFgjV+62uoNsrksZ5f:jdfgv+ChZesoa

Malware Config

Extracted

Family

eternity

C2

http://izrukvro5khcol3z7cvvdq3akeunlod2gshgn7ppo3a4jvse3z5hpiyd.onion

Signatures

  • Eternity

    Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bltool 2.7..2.exe
    "C:\Users\Admin\AppData\Local\Temp\bltool 2.7..2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG4AagBkACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHcAcQBrACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHgAZgBlACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHMAegBhACMAPgA="
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3032
    • C:\Users\Admin\AppData\Local\Temp\babu.exe
      "C:\Users\Admin\AppData\Local\Temp\babu.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2788
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2620
        • C:\Windows\system32\chcp.com
          chcp 65001
          4⤵
            PID:1736
          • C:\Windows\system32\netsh.exe
            netsh wlan show profile
            4⤵
              PID:2012
            • C:\Windows\system32\findstr.exe
              findstr All
              4⤵
                PID:1912
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\babu.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1048
              • C:\Windows\system32\chcp.com
                chcp 65001
                4⤵
                  PID:1880
                • C:\Windows\system32\PING.EXE
                  ping 127.0.0.1
                  4⤵
                  • Runs ping.exe
                  PID:1900
            • C:\Users\Admin\AppData\Local\Temp\z.exe
              "C:\Users\Admin\AppData\Local\Temp\z.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2684
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 668
                3⤵
                • Loads dropped DLL
                • Program crash
                PID:2596

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\z.exe

            Filesize

            3.4MB

            MD5

            528b540e2aec29669239482dc9979f4c

            SHA1

            1ea8bb0122777f6e4223820c7873486935123a6b

            SHA256

            28f71e8f8c650b109771f51695785420401839499e15e41a2c634bce4ab5456c

            SHA512

            f96bcc3ae1185bf1fba2f59c0550d0c721c4d5692e31d705fa5a8115699697c529b41aed54d4d7fe1b9754d6d21bbfd714c05a3add3b4cbe025cf089110098f6

          • \Users\Admin\AppData\Local\Temp\babu.exe

            Filesize

            336KB

            MD5

            992ebc4c599ca9b6f7e6b1a843609e7d

            SHA1

            58afffc9df3f3c3b5911bcd77ac843d046ef8dbb

            SHA256

            73d5c4d972107c9bf50f0366a4e8466a3fec84009ccc080e51febe5393708ed4

            SHA512

            768eda1dc9f692564f51a59c479daf048854560b320143e910da77180cdcc2c0bd957f17411041a86abf08f08d2a00ea8cfd37c393edbd812cb2c1dde18fbb8c

          • \Users\Admin\AppData\Local\Temp\z.exe

            Filesize

            2.8MB

            MD5

            aaaee21203f0d264c70988507e0fb4c1

            SHA1

            ade62173c6c27499e5f4a11d189c2b115d649375

            SHA256

            d6a3c8e779354b6cb928e518c7c2aedbfc350bfa0d16cee9df89f1131c8b90f5

            SHA512

            27e5814d2c9ea07e026ca5cf6a102ba225b02c38699d84de42e58148e2e3c30d73ceb6d4cfa0afd106c9c7e5351c3d9a9ea2fb4368a0cb151a74777234e40ce2

          • \Users\Admin\AppData\Local\Temp\z.exe

            Filesize

            2.7MB

            MD5

            5ffe0d4affb2315fcf416811bd39af88

            SHA1

            847b6de285a9e012a94f26a9e691e4f3753440ec

            SHA256

            8776d2b844dcd64b622933909f1bee249a48fdcc405fd14bdfce07db3bc97206

            SHA512

            ac254f9214307cf737ae94e71e61a218519b472f8aae656128cd345e42a8d46cf70373bc66306e184237d81ac2bb6a9fa1323417803759911f9ff031970fb666

          • \Users\Admin\AppData\Local\Temp\z.exe

            Filesize

            2.7MB

            MD5

            a4a2751a3f0d9cdaf3494c911e64be12

            SHA1

            75c7b59c6d91b687748272a63b9f71f42c943fcc

            SHA256

            a65578f3534ccab1b50c98853052e5f81eb7c9ebdda0be7325b7ce5c01972159

            SHA512

            860337287cc346125d1b517723f567e89dd329410c85211afe5b3b6c8502c930a6ddf64670e0922764ae8b1929addfdd08956bb381fe96d3bc53aab10d90b057

          • \Users\Admin\AppData\Local\Temp\z.exe

            Filesize

            2.7MB

            MD5

            e2966bddd33e3690c9b64e8d53c8a075

            SHA1

            6d78a66d00b1000c3de6967d39815b600aadac36

            SHA256

            5ca38b20f5fa78b6cb129e5d6893a9bf0e20a80b7e87a6cb750ec67e07a624bf

            SHA512

            f31ab951f1c04950f2a343c39aeab4da4bc5ac78b177e7323704cbe7930ed26dca38736a043ebd8c5f18a731c59547b14d775d5521c27d90c4d1907d25aebd9d

          • memory/2684-33-0x00000000007E0000-0x0000000000820000-memory.dmp

            Filesize

            256KB

          • memory/2684-32-0x0000000074520000-0x0000000074C0E000-memory.dmp

            Filesize

            6.9MB

          • memory/2684-21-0x0000000074520000-0x0000000074C0E000-memory.dmp

            Filesize

            6.9MB

          • memory/2684-24-0x00000000007E0000-0x0000000000820000-memory.dmp

            Filesize

            256KB

          • memory/2684-16-0x0000000000150000-0x00000000004BA000-memory.dmp

            Filesize

            3.4MB

          • memory/2788-31-0x000007FEF6100000-0x000007FEF6AEC000-memory.dmp

            Filesize

            9.9MB

          • memory/2788-23-0x00000000008F0000-0x0000000000970000-memory.dmp

            Filesize

            512KB

          • memory/2788-17-0x000007FEF6100000-0x000007FEF6AEC000-memory.dmp

            Filesize

            9.9MB

          • memory/2788-15-0x0000000000990000-0x00000000009EA000-memory.dmp

            Filesize

            360KB

          • memory/3032-19-0x0000000002420000-0x0000000002460000-memory.dmp

            Filesize

            256KB

          • memory/3032-29-0x00000000727B0000-0x0000000072D5B000-memory.dmp

            Filesize

            5.7MB

          • memory/3032-22-0x0000000002420000-0x0000000002460000-memory.dmp

            Filesize

            256KB

          • memory/3032-20-0x00000000727B0000-0x0000000072D5B000-memory.dmp

            Filesize

            5.7MB

          • memory/3032-18-0x00000000727B0000-0x0000000072D5B000-memory.dmp

            Filesize

            5.7MB