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Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02/09/2024, 14:46

General

  • Target

    66d58b1858bcb_crypted.exe

  • Size

    516KB

  • MD5

    d8ecb462d3046a0ee172551c5d505c8e

  • SHA1

    54f9e16b497579964e9afc90c3c0c208f16b4418

  • SHA256

    afb9edbf499a4726d798cda9f0f372b4b1019033b68d5eb87a8a83ecb7463d6f

  • SHA512

    9eed44c24a71b44e90efc853b75d2103faa3f8518e1efad45c8c4733ee0396c51e8ea11ba6e7d2ac4f30234e6380c3325227cced8d1753373581eb45073c012e

  • SSDEEP

    12288:HiI9LiGtFBsoR1UJdFpzz0b+fzV4ULweVBBP0bK4WHL/Ff5qTkfozd:HieFBXRqJDpzE+LVfXVkbK4WlAvd

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66d58b1858bcb_crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\66d58b1858bcb_crypted.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2872-0-0x00000000737AE000-0x00000000737AF000-memory.dmp

    Filesize

    4KB

  • memory/2872-1-0x0000000000220000-0x00000000002A8000-memory.dmp

    Filesize

    544KB

  • memory/2872-22-0x00000000737A0000-0x0000000073E8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2872-5-0x00000000737A0000-0x0000000073E8E000-memory.dmp

    Filesize

    6.9MB

  • memory/5020-12-0x0000000007F50000-0x0000000007F62000-memory.dmp

    Filesize

    72KB

  • memory/5020-17-0x0000000008E30000-0x0000000008E96000-memory.dmp

    Filesize

    408KB

  • memory/5020-8-0x0000000005010000-0x00000000050A2000-memory.dmp

    Filesize

    584KB

  • memory/5020-9-0x0000000004F80000-0x0000000004F8A000-memory.dmp

    Filesize

    40KB

  • memory/5020-10-0x00000000084C0000-0x0000000008AC6000-memory.dmp

    Filesize

    6.0MB

  • memory/5020-11-0x0000000008010000-0x000000000811A000-memory.dmp

    Filesize

    1.0MB

  • memory/5020-6-0x0000000073460000-0x0000000073B4E000-memory.dmp

    Filesize

    6.9MB

  • memory/5020-13-0x0000000007FB0000-0x0000000007FEE000-memory.dmp

    Filesize

    248KB

  • memory/5020-14-0x0000000008120000-0x000000000816B000-memory.dmp

    Filesize

    300KB

  • memory/5020-7-0x0000000005510000-0x0000000005A0E000-memory.dmp

    Filesize

    5.0MB

  • memory/5020-18-0x0000000009120000-0x0000000009196000-memory.dmp

    Filesize

    472KB

  • memory/5020-19-0x00000000090E0000-0x00000000090FE000-memory.dmp

    Filesize

    120KB

  • memory/5020-20-0x0000000009BB0000-0x0000000009D72000-memory.dmp

    Filesize

    1.8MB

  • memory/5020-21-0x000000000A2B0000-0x000000000A7DC000-memory.dmp

    Filesize

    5.2MB

  • memory/5020-3-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/5020-23-0x0000000073460000-0x0000000073B4E000-memory.dmp

    Filesize

    6.9MB

  • memory/5020-25-0x0000000073460000-0x0000000073B4E000-memory.dmp

    Filesize

    6.9MB