Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2023 13:01

General

  • Target

    UltraViewer_setup_6.6_en.exe

  • Size

    3.4MB

  • MD5

    203c5180ecda400e77abe7148553aa08

  • SHA1

    b1a01e810b081867ae002f90e0004196fea3b5ec

  • SHA256

    88451e23b6263e95bb26e69c68a0c7b9e3458d2723fd8ee691a5443e465bb14f

  • SHA512

    d1488d120150c42b4c7ab643db0e902e804910426aff126891229a08ac1b8015e0a3d506428f9f354f6de0af0b9902b9a941d9c420a1410af8620e8af7624fe2

  • SSDEEP

    98304:z5zlRoHKLXN/8jyPADQvZOOEv30aTuGaJZU92ryqgU9ViPQ:zaKN/DIOkuLssOqgEcQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\UltraViewer_setup_6.6_en.exe
    "C:\Users\Admin\AppData\Local\Temp\UltraViewer_setup_6.6_en.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\is-AHF0B.tmp\UltraViewer_setup_6.6_en.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-AHF0B.tmp\UltraViewer_setup_6.6_en.tmp" /SL5="$50150,3164531,121344,C:\Users\Admin\AppData\Local\Temp\UltraViewer_setup_6.6_en.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2828

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-AHF0B.tmp\UltraViewer_setup_6.6_en.tmp
    Filesize

    1.1MB

    MD5

    e845838d99d29c4bba4ad35ee996dea3

    SHA1

    34a9f433ce1e3339e07d75f0a74efd676b1d7cca

    SHA256

    b727418174ad4f929ad9206e4df51865def55c0d2874bda487cbae6f2946938d

    SHA512

    fba499d125eec733535d6b5d93fa43e628e526e7bc3b1aab7e848a80ac373cb09db9cb6777567c51877267001d3dc308b2edae1ac51e109c2936bd3c20928f1d

  • \Users\Admin\AppData\Local\Temp\is-AHF0B.tmp\UltraViewer_setup_6.6_en.tmp
    Filesize

    1.1MB

    MD5

    e845838d99d29c4bba4ad35ee996dea3

    SHA1

    34a9f433ce1e3339e07d75f0a74efd676b1d7cca

    SHA256

    b727418174ad4f929ad9206e4df51865def55c0d2874bda487cbae6f2946938d

    SHA512

    fba499d125eec733535d6b5d93fa43e628e526e7bc3b1aab7e848a80ac373cb09db9cb6777567c51877267001d3dc308b2edae1ac51e109c2936bd3c20928f1d

  • \Users\Admin\AppData\Local\Temp\is-ROHFO.tmp\idp.dll
    Filesize

    232KB

    MD5

    55c310c0319260d798757557ab3bf636

    SHA1

    0892eb7ed31d8bb20a56c6835990749011a2d8de

    SHA256

    54e7e0ad32a22b775131a6288f083ed3286a9a436941377fc20f85dd9ad983ed

    SHA512

    e0082109737097658677d7963cbf28d412dca3fa8f5812c2567e53849336ce45ebae2c0430df74bfe16c0f3eebb46961bc1a10f32ca7947692a900162128ae57

  • \Users\Admin\AppData\Local\Temp\is-ROHFO.tmp\isxdl.dll
    Filesize

    121KB

    MD5

    48ad1a1c893ce7bf456277a0a085ed01

    SHA1

    803997ef17eedf50969115c529a2bf8de585dc91

    SHA256

    b0cc4697b2fd1b4163fddca2050fc62a9e7d221864f1bd11e739144c90b685b3

    SHA512

    7c9e7fe9f00c62cccb5921cb55ba0dd96a0077ad52962473c1e79cda1fd9aa101129637043955703121443e1f8b6b2860cd4dfdb71052b20a322e05deed101a4

  • memory/1704-0-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/1704-18-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2828-7-0x00000000001D0000-0x00000000001D1000-memory.dmp
    Filesize

    4KB

  • memory/2828-15-0x00000000020E0000-0x0000000002102000-memory.dmp
    Filesize

    136KB

  • memory/2828-19-0x0000000000400000-0x000000000052D000-memory.dmp
    Filesize

    1.2MB

  • memory/2828-22-0x00000000001D0000-0x00000000001D1000-memory.dmp
    Filesize

    4KB