Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-03-2024 10:41

General

  • Target

    bb0e4ff0672dea45d3a6f2ccc916941b.exe

  • Size

    134KB

  • MD5

    bb0e4ff0672dea45d3a6f2ccc916941b

  • SHA1

    c6d64861cf0ce840db0232d2fd78b2bfb99f1edb

  • SHA256

    712854c37a925a09a328d770e0083ffd9920416ead14489dd8233da4a526369b

  • SHA512

    bed462e68a4fa05adfab1f5a3a84c994e1f74215a3d64163fef6f86744045d6445bc1d8f52f404434551120d96fe3ac78fd51d92a34abaf2561a0227c1532cf7

  • SSDEEP

    3072:XnOn7t7XpdpCCTg/sxFgJceq8KRPC/SpWHTrXIBzCnNfhEZj/oMSl:XKpdcCrT/8Ko/SpWzYCnNfhoj/LSl

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb0e4ff0672dea45d3a6f2ccc916941b.exe
    "C:\Users\Admin\AppData\Local\Temp\bb0e4ff0672dea45d3a6f2ccc916941b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Users\Admin\AppData\Local\Temp\nse2A5E.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nse2A5E.tmp\downloadmr.exe /e42495 /u4d488269-6268-4c29-b4c2-79305bc06ebe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nse2A5E.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nse2A5E.tmp\downloadmr.exe

    Filesize

    135KB

    MD5

    fb753ca8f8abe185c761c5a729552f05

    SHA1

    d87aeac1b5c45792997dd6da20687c2a60072665

    SHA256

    d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

    SHA512

    271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

  • memory/368-30-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/368-37-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/368-31-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

    Filesize

    52KB

  • memory/2932-14-0x0000000073E90000-0x0000000074441000-memory.dmp

    Filesize

    5.7MB

  • memory/2932-26-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

    Filesize

    64KB

  • memory/2932-28-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

    Filesize

    64KB

  • memory/2932-29-0x0000000073E90000-0x0000000074441000-memory.dmp

    Filesize

    5.7MB

  • memory/2932-27-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

    Filesize

    64KB

  • memory/2932-15-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

    Filesize

    64KB

  • memory/2932-33-0x0000000073E90000-0x0000000074441000-memory.dmp

    Filesize

    5.7MB

  • memory/2932-13-0x0000000073E90000-0x0000000074441000-memory.dmp

    Filesize

    5.7MB