Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 01:02

General

  • Target

    9aad70eb9be5a3e93c687a4aa8f5202e7c6b26acafefeb14551e8ebc1b9a4cdb.exe

  • Size

    478KB

  • MD5

    57699a73bd063bf9ae0e915a15ec0a48

  • SHA1

    dd3ec3823c5e3579c0a43da8712afd13629323ea

  • SHA256

    9aad70eb9be5a3e93c687a4aa8f5202e7c6b26acafefeb14551e8ebc1b9a4cdb

  • SHA512

    e857b75304b6cd0977f1e5b9ffabbe1f4f8ed11504dcdc0f8e01015af2fe767fd7ec9a464fb4e272641a3880b8bf7af10ef4fa3c2dbd6fb731ad6d82873cd9d4

  • SSDEEP

    6144:WafsiuvAJ+tTm6cyERSEFtj71cWE4jKS6v3BV+UdvrEFp7hK9h:TCvAJ+q6ctRzz36WfjOPBjvrEH7Kh

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 7 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9aad70eb9be5a3e93c687a4aa8f5202e7c6b26acafefeb14551e8ebc1b9a4cdb.exe
    "C:\Users\Admin\AppData\Local\Temp\9aad70eb9be5a3e93c687a4aa8f5202e7c6b26acafefeb14551e8ebc1b9a4cdb.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Program Files (x86)\win\msn.exe
      "C:\Program Files (x86)\win\msn.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2644

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\win\msn.exe

          Filesize

          478KB

          MD5

          57699a73bd063bf9ae0e915a15ec0a48

          SHA1

          dd3ec3823c5e3579c0a43da8712afd13629323ea

          SHA256

          9aad70eb9be5a3e93c687a4aa8f5202e7c6b26acafefeb14551e8ebc1b9a4cdb

          SHA512

          e857b75304b6cd0977f1e5b9ffabbe1f4f8ed11504dcdc0f8e01015af2fe767fd7ec9a464fb4e272641a3880b8bf7af10ef4fa3c2dbd6fb731ad6d82873cd9d4

        • \Program Files\Common Files\System\symsrv.dll

          Filesize

          67KB

          MD5

          7574cf2c64f35161ab1292e2f532aabf

          SHA1

          14ba3fa927a06224dfe587014299e834def4644f

          SHA256

          de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

          SHA512

          4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

        • memory/1920-0-0x0000000000400000-0x00000000004D2000-memory.dmp

          Filesize

          840KB

        • memory/1920-5-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1920-10-0x0000000000400000-0x00000000004D2000-memory.dmp

          Filesize

          840KB

        • memory/1920-11-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1920-23-0x0000000004530000-0x0000000004602000-memory.dmp

          Filesize

          840KB

        • memory/1920-29-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1920-28-0x0000000000400000-0x00000000004D2000-memory.dmp

          Filesize

          840KB

        • memory/1920-26-0x0000000004530000-0x0000000004602000-memory.dmp

          Filesize

          840KB

        • memory/2644-33-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/2644-34-0x0000000000400000-0x00000000004D2000-memory.dmp

          Filesize

          840KB

        • memory/2644-35-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/2644-36-0x0000000000400000-0x00000000004D2000-memory.dmp

          Filesize

          840KB

        • memory/2644-39-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/2644-40-0x0000000076476000-0x0000000076477000-memory.dmp

          Filesize

          4KB

        • memory/2644-41-0x0000000076470000-0x00000000764A5000-memory.dmp

          Filesize

          212KB

        • memory/2644-44-0x0000000076470000-0x00000000764A5000-memory.dmp

          Filesize

          212KB

        • memory/2644-47-0x0000000076476000-0x0000000076477000-memory.dmp

          Filesize

          4KB

        • memory/2644-64-0x0000000076470000-0x00000000764A5000-memory.dmp

          Filesize

          212KB