Resubmissions

05-09-2023 01:34

230905-by5lrsch46 10

Analysis

  • max time kernel
    15s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 01:20

General

  • Target

    e91296156cd506f7a152db4e4beac1c56ce03676f16db637c97cd135038409ff.exe

  • Size

    2.6MB

  • MD5

    838bf9e13202d1ceeac814788efe837b

  • SHA1

    75b46cb896ccb9f3209ce235ebd5f62fb2c35b3d

  • SHA256

    e91296156cd506f7a152db4e4beac1c56ce03676f16db637c97cd135038409ff

  • SHA512

    b75f12b8941843ee4141a017c61001f57f3e016cc5cd9530a0aad7478b4cb38b9fca5d5070e4f7f55417653bc6732db85db996ace60aa3c4f04c3454c6db3410

  • SSDEEP

    49152:HdgDxc28AZaaE5CPuJIurzZuwWToqZsscWVYzRtYxZ7zgCBoL2I2/Re:HocbA0avPuhSToqZsscBzRin7zrI2pe

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e91296156cd506f7a152db4e4beac1c56ce03676f16db637c97cd135038409ff.exe
    "C:\Users\Admin\AppData\Local\Temp\e91296156cd506f7a152db4e4beac1c56ce03676f16db637c97cd135038409ff.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /u /S J9SMW.NXS
      2⤵
      • Loads dropped DLL
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\J9SMW.NXS

    Filesize

    2.1MB

    MD5

    e53a4ae918b729caeeef26f1fb762c2c

    SHA1

    689e76a00d4d4957d63823b873f5277f6c8d0eb2

    SHA256

    0b18993e39094c2f85590ac4abcac3539bcf3f28d1e4c291567860992977459c

    SHA512

    919bd69b5eeb76e8a20b52d01b2df760a044610fafd336a22493cb707e28eab28308524dc9cc7e21ae5d3d0d08c68b9d13d5f5c8ad380e3648c27b3c9fd5c5c3

  • memory/2608-4-0x0000000001EE0000-0x00000000020F8000-memory.dmp

    Filesize

    2.1MB

  • memory/2608-5-0x0000000001EE0000-0x00000000020F8000-memory.dmp

    Filesize

    2.1MB

  • memory/2608-7-0x00000000024D0000-0x00000000025CC000-memory.dmp

    Filesize

    1008KB

  • memory/2608-11-0x00000000025D0000-0x00000000026B3000-memory.dmp

    Filesize

    908KB

  • memory/2608-8-0x00000000025D0000-0x00000000026B3000-memory.dmp

    Filesize

    908KB

  • memory/2608-12-0x00000000025D0000-0x00000000026B3000-memory.dmp

    Filesize

    908KB