Analysis

  • max time kernel
    143s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:42

General

  • Target

    87db2ad6763ef942b85eaa18dd46da52aac5a0439f03481309e33b628bb3d201.exe

  • Size

    140KB

  • MD5

    88f4c4e1817dff85942d26934aee4a81

  • SHA1

    1c3c511f468c4bd011d5f5bf4496fd2a67882f3e

  • SHA256

    87db2ad6763ef942b85eaa18dd46da52aac5a0439f03481309e33b628bb3d201

  • SHA512

    179b76e152690d01c8a38a4712fe6cd342e1408673fb7630f0bcfe0de3d972d2782764e5481f486e500524e94c0d811ae2e5e12c99dee230644253b0c939f4a0

  • SSDEEP

    768:OMr2id6gIzTSOVDkinKEbB+bBKF/8ncpROz3SeN/OVTg:OMvApkinDHWncSzSsU

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87db2ad6763ef942b85eaa18dd46da52aac5a0439f03481309e33b628bb3d201.exe
    "C:\Users\Admin\AppData\Local\Temp\87db2ad6763ef942b85eaa18dd46da52aac5a0439f03481309e33b628bb3d201.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\Documents\PhuongNam Signature Alt Setup.exe
      "C:\Users\Admin\Documents\PhuongNam Signature Alt Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Users\Admin\AppData\Local\Temp\is-BL94I.tmp\PhuongNam Signature Alt Setup.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-BL94I.tmp\PhuongNam Signature Alt Setup.tmp" /SL5="$70122,35217895,733696,C:\Users\Admin\Documents\PhuongNam Signature Alt Setup.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-BL94I.tmp\PhuongNam Signature Alt Setup.tmp

    Filesize

    2.4MB

    MD5

    c69513647454b5bd64610346ac499ee8

    SHA1

    a116a946d9e602d4058ed6395f51d41fc2ee1ebe

    SHA256

    9f2b0f81445d98bf1fe3d45d63e81c790ea691739455a8e07a94916350ae6ab9

    SHA512

    08c68d4a5e3fb41a73838911c475bf748ba6028af1bbad4221f4a5c5385ef7bc62c6f6ec823b8b72e6716269fac3d969647b8d87ebaf1934369799ddbed1de98

  • \Users\Admin\AppData\Local\Temp\is-6LM25.tmp\_isetup\_isdecmp.dll

    Filesize

    23KB

    MD5

    77d6d961f71a8c558513bed6fd0ad6f1

    SHA1

    122bb9ed6704b72250e4e31b5d5fc2f0476c4b6a

    SHA256

    5da7c8d33d3b7db46277012d92875c0b850c8abf1eb3c8c9c5b9532089a0bcf0

    SHA512

    b0921e2442b4cdec8cc479ba3751a01c0646a4804e2f4a5d5632fa2dbf54cc45d4cccffa4d5b522d42afc2f6a622e07882ed7e663c8462333b082e82503f335a

  • \Users\Admin\Documents\PhuongNam Signature Alt Setup.exe

    Filesize

    34.3MB

    MD5

    402a32b3e2340b506031c923b2effdc0

    SHA1

    7e29f503499df56d1baed21913c773de1d97f632

    SHA256

    93cab55655a4e33b028154410ce3444f4b8b9c853207bcc2433ed9fbd9f6e49e

    SHA512

    ed03a4c071844fe38ef058a429c4095c19a9a97ee4ee2acd762f18a9d1f9a1bdd530435dfcbebbadc2f8df0f5f5c28e2beb7322c7b3820ea16343f985a3a7720

  • memory/1856-27-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/1856-21-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/2284-3-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

    Filesize

    4KB

  • memory/2284-14-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-4-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

    Filesize

    4KB

  • memory/2284-2-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-1-0x0000000001130000-0x000000000115A000-memory.dmp

    Filesize

    168KB

  • memory/2712-15-0x0000000000401000-0x00000000004A9000-memory.dmp

    Filesize

    672KB

  • memory/2712-11-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2712-26-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB