Analysis

  • max time kernel
    200s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:27

General

  • Target

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe

  • Size

    1.6MB

  • MD5

    0a3ff2c1b148fd57970e6af501198a81

  • SHA1

    d1c0e41b5f5c9f6fabd2b688bf75d98d9a4651f1

  • SHA256

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97

  • SHA512

    5ffe09d9c945aeaef08129eadf4f6c90772fac98650d7b942b40218d2d0612561c9a46720626cc6b8368440d19804e1b5769086cd9073e76845217be1c5346db

  • SSDEEP

    49152:tJZoQrbTFZY1ia9GAWcgOjlhSWc3ktXPsJ:ttrbTA1Pjjm/kiJ

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 14 IoCs
  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • Nirsoft 5 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 19 IoCs

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

  • 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
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe
    "C:\Users\Admin\AppData\Local\Temp\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Users\Admin\AppData\Local\Temp\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe
      "C:\Users\Admin\AppData\Local\Temp\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe
        "C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3848
        • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe
          /scomma
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1656
          • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\kOdsuQ9ZGL.ini"
            5⤵
            • Executes dropped EXE
            PID:3796
          • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe
            /scomma "C:\Users\Admin\AppData\Local\Temp\jnyH2AEXN2.ini"
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            PID:4192
        • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe
          /scomma C:\Users\Admin\AppData\Local\Temp\pws.txt
          4⤵
          • Executes dropped EXE
          PID:1772
        • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe
          /scomma C:\Users\Admin\AppData\Local\Temp\pws2.txt
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:5060

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe

    Filesize

    1.6MB

    MD5

    0a3ff2c1b148fd57970e6af501198a81

    SHA1

    d1c0e41b5f5c9f6fabd2b688bf75d98d9a4651f1

    SHA256

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97

    SHA512

    5ffe09d9c945aeaef08129eadf4f6c90772fac98650d7b942b40218d2d0612561c9a46720626cc6b8368440d19804e1b5769086cd9073e76845217be1c5346db

  • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe

    Filesize

    1.6MB

    MD5

    0a3ff2c1b148fd57970e6af501198a81

    SHA1

    d1c0e41b5f5c9f6fabd2b688bf75d98d9a4651f1

    SHA256

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97

    SHA512

    5ffe09d9c945aeaef08129eadf4f6c90772fac98650d7b942b40218d2d0612561c9a46720626cc6b8368440d19804e1b5769086cd9073e76845217be1c5346db

  • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe

    Filesize

    1.6MB

    MD5

    0a3ff2c1b148fd57970e6af501198a81

    SHA1

    d1c0e41b5f5c9f6fabd2b688bf75d98d9a4651f1

    SHA256

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97

    SHA512

    5ffe09d9c945aeaef08129eadf4f6c90772fac98650d7b942b40218d2d0612561c9a46720626cc6b8368440d19804e1b5769086cd9073e76845217be1c5346db

  • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe

    Filesize

    1.6MB

    MD5

    0a3ff2c1b148fd57970e6af501198a81

    SHA1

    d1c0e41b5f5c9f6fabd2b688bf75d98d9a4651f1

    SHA256

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97

    SHA512

    5ffe09d9c945aeaef08129eadf4f6c90772fac98650d7b942b40218d2d0612561c9a46720626cc6b8368440d19804e1b5769086cd9073e76845217be1c5346db

  • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe

    Filesize

    1.6MB

    MD5

    0a3ff2c1b148fd57970e6af501198a81

    SHA1

    d1c0e41b5f5c9f6fabd2b688bf75d98d9a4651f1

    SHA256

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97

    SHA512

    5ffe09d9c945aeaef08129eadf4f6c90772fac98650d7b942b40218d2d0612561c9a46720626cc6b8368440d19804e1b5769086cd9073e76845217be1c5346db

  • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe

    Filesize

    1.6MB

    MD5

    0a3ff2c1b148fd57970e6af501198a81

    SHA1

    d1c0e41b5f5c9f6fabd2b688bf75d98d9a4651f1

    SHA256

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97

    SHA512

    5ffe09d9c945aeaef08129eadf4f6c90772fac98650d7b942b40218d2d0612561c9a46720626cc6b8368440d19804e1b5769086cd9073e76845217be1c5346db

  • C:\Users\Admin\AppData\Roaming\macromedia\0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97.exe

    Filesize

    1.6MB

    MD5

    0a3ff2c1b148fd57970e6af501198a81

    SHA1

    d1c0e41b5f5c9f6fabd2b688bf75d98d9a4651f1

    SHA256

    0078c46b32cef9697b003f8ed2e195a76073d60033bda5fb0fac598431567c97

    SHA512

    5ffe09d9c945aeaef08129eadf4f6c90772fac98650d7b942b40218d2d0612561c9a46720626cc6b8368440d19804e1b5769086cd9073e76845217be1c5346db

  • memory/1656-147-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1656-184-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1656-187-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1656-156-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1772-175-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1772-165-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1772-188-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1772-162-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1772-159-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3796-157-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3796-174-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3796-164-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3796-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3796-172-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3848-139-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/3848-170-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/3848-189-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/3848-145-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/4016-133-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/4016-163-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/4016-137-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/4192-167-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4192-173-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4192-186-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4192-176-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4192-171-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/5060-178-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/5060-181-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/5060-182-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/5060-183-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/5060-185-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB