Analysis

  • max time kernel
    121s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2024, 08:13

General

  • Target

    500ba7851f0a52efde07054ff2c89598.exe

  • Size

    142KB

  • MD5

    500ba7851f0a52efde07054ff2c89598

  • SHA1

    c0cfc61cd2598cb01b232076cea716eb4b0ceabb

  • SHA256

    66cc2d645ccbd4fcd1f6645c0bd0d10e250a31e455cb092a78e5e16a3113674e

  • SHA512

    d2b92e8bd0ac8fee9e9b10d25ec8351cfbfa42189d6c03bf33e3f9367375288b972456c59f0ff34f32a8826fdecff722b46dfe22f6fbbc5f9a0d530808dcf499

  • SSDEEP

    3072:6nOn7t7XpdpCCTg/sxFgJveqgKJ+BCsCIIL3dYdL7JEhKLkfLdXEge2:6KpdcCrTigKJvrdYl8NZ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\500ba7851f0a52efde07054ff2c89598.exe
    "C:\Users\Admin\AppData\Local\Temp\500ba7851f0a52efde07054ff2c89598.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\nsdB7FB.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsdB7FB.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e106620
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsdB7FB.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • \Users\Admin\AppData\Local\Temp\nsdB7FB.tmp\downloadmr.exe

    Filesize

    122KB

    MD5

    da254a8488b60244654e1cf4d6796cf8

    SHA1

    23d06f4589786652a3a226b5012a5520a3d03452

    SHA256

    6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

    SHA512

    d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

  • memory/2712-18-0x0000000073FE0000-0x000000007458B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-19-0x0000000073FE0000-0x000000007458B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-20-0x00000000021C0000-0x0000000002200000-memory.dmp

    Filesize

    256KB

  • memory/2712-21-0x00000000021C0000-0x0000000002200000-memory.dmp

    Filesize

    256KB

  • memory/2712-22-0x00000000021C0000-0x0000000002200000-memory.dmp

    Filesize

    256KB

  • memory/2712-23-0x0000000005910000-0x0000000005A10000-memory.dmp

    Filesize

    1024KB

  • memory/2712-24-0x0000000073FE0000-0x000000007458B000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-28-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB