Overview

overview

10

Static

static

b5822d576f...a4.exe

windows7-x64

10

b5822d576f...a4.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    138s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/11/2022, 22:55

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General

  • Target

    b5822d576fe3933d8f9534289e26d9761e67496ce3fdf2e0d8807d9987b4d4a4.exe

  • Size

    134KB

  • MD5

    5c178327d43e17ae6d5481b3a7639590

  • SHA1

    f6163f9989bc2dc3e3985edc201529e11bbc494c

  • SHA256

    b5822d576fe3933d8f9534289e26d9761e67496ce3fdf2e0d8807d9987b4d4a4

  • SHA512

    a3c7101fdf7885eb210aec5892390ae531c076934ba46c2693a26d2907c8dc6b274364baeea18258a9aa91e6c2c9426cdc00b93b2c82d0f3de00d7532faf6163

  • SSDEEP

    3072:G7fsRe6fCAKYInTyNaRRvZ9Rn+h/F91vHuL2R7VlS:GLsRZCAJqyNar0DTL

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 18 IoCs
    evasion
  • Modifies security service 2 TTPs 22 IoCs
    evasion
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Unexpected DNS network traffic destination 11 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 22 IoCs
  • NTFS ADS 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5822d576fe3933d8f9534289e26d9761e67496ce3fdf2e0d8807d9987b4d4a4.exe
    "C:\Users\Admin\AppData\Local\Temp\b5822d576fe3933d8f9534289e26d9761e67496ce3fdf2e0d8807d9987b4d4a4.exe"
    1⤵
    • Modifies security service
    • Sets service image path in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      PID:1608

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Google\Desktop\Install\{d4e37f8e-5af0-9b64-e86d-0830097e992e}\ \...\‮ﯹ๛\{d4e37f8e-5af0-9b64-e86d-0830097e992e}\@
          Filesize

          2KB

          MD5

          c0295f91e88a4a7df42de7f147f17631

          SHA1

          176f0a6bf8e5429983d12c07660b7f05b587fe07

          SHA256

          ce2846dc2c5d6f70ea9663c30a752b849f5294a4a1667666f4a17d3032a1734d

          SHA512

          da45d531a843c2e2debd429cd6f8a2d0649dd7127fed9f73ceb88693455699b6fdf8bef45a906dba06d24171f8bafd9ec933efa2c76fc931285309ae2e32312b

          Download Submit

        • memory/464-59-0x0000000000120000-0x0000000000132000-memory.dmp

          Filesize

          72KB

          Download

        • memory/464-61-0x0000000000120000-0x0000000000132000-memory.dmp

          Filesize

          72KB

          Download

        • memory/1104-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1104-55-0x0000000000400000-0x000000000046C000-memory.dmp

          Filesize

          432KB

          Download

        • memory/1360-58-0x00000000021F0000-0x0000000002202000-memory.dmp

          Filesize

          72KB

          Download