Resubmissions

02-10-2023 11:43

231002-nvrlyshf6t 10

23-05-2023 19:13

230523-xw29hsgh32 7

Analysis

  • max time kernel
    29s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2023 19:13

General

  • Target

    DiscordNitroGen.exe

  • Size

    5.0MB

  • MD5

    ac03bc15840de0735bc509df2605315d

  • SHA1

    c83e86956dfe720289e05b765b16d6c4bed1b380

  • SHA256

    5f7ef589be80bc41e17b2bc2bb9dcfb9f457815298228b313b4186d983a9b206

  • SHA512

    8221ddc84711e6fd3f8a6b25178b7222fa60aded1b2f82c0da307bd4160ddbab90f41b85deba7a772df380837c129bb45a059f2aca7ce335094001f68471aef0

  • SSDEEP

    3072:tk9F8AiUC7llUdOKViKa6pOWbhpAKyKIVUjtub/cOZzo0xBe0DE:tk9ovTKDhpAKwmEbFZUWD

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DiscordNitroGen.exe
    "C:\Users\Admin\AppData\Local\Temp\DiscordNitroGen.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1236 -s 1220
      2⤵
      • Program crash
      PID:524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1236-54-0x0000000000980000-0x00000000009B6000-memory.dmp

    Filesize

    216KB

  • memory/1236-56-0x00000000002E0000-0x00000000002F6000-memory.dmp

    Filesize

    88KB

  • memory/1236-57-0x0000000000370000-0x000000000037C000-memory.dmp

    Filesize

    48KB

  • memory/1236-58-0x000000001ABE0000-0x000000001AC60000-memory.dmp

    Filesize

    512KB

  • memory/1236-59-0x000000001ABE0000-0x000000001AC60000-memory.dmp

    Filesize

    512KB