Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2022, 07:03

General

  • Target

    2ffafcd4df11617e1e95e2c8d57dea45774ca164e214c04074e6407568281faf.exe

  • Size

    219KB

  • MD5

    b2d8673960cb0aaf44841251114ba809

  • SHA1

    6e83dc62e472acbfb46dc138c74a1c3e5f0ea44e

  • SHA256

    2ffafcd4df11617e1e95e2c8d57dea45774ca164e214c04074e6407568281faf

  • SHA512

    b0af1901c611184b822d43582d2cf2fe35404d956170a9f5be6b274534e638d331c411196681aaffd1354f02c683795105d4bcf2061be69ba5e1d9f30a92e009

  • SSDEEP

    1536:ssomCNilSglahGExex1B61JsBttY2BkBFFc/AM8tpUnkUynouy88Q:sLBijlKG1B6YXYfBooM8PUnxqout8Q

Malware Config

Signatures

  • UAC bypass 3 TTPs 3 IoCs
  • Stops running service(s) 3 TTPs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ffafcd4df11617e1e95e2c8d57dea45774ca164e214c04074e6407568281faf.exe
    "C:\Users\Admin\AppData\Local\Temp\2ffafcd4df11617e1e95e2c8d57dea45774ca164e214c04074e6407568281faf.exe"
    1⤵
    • UAC bypass
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:992
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c sc stop policyagent
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:592
      • C:\Windows\SysWOW64\sc.exe
        sc stop policyagent
        3⤵
        • Launches sc.exe
        PID:568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Windows\SysWOW64\7091945.DEP

    Filesize

    12.1MB

    MD5

    fe2c9d7f8b89e3c9b434a49e1e4c2512

    SHA1

    02da43259db834b4ec5155b176a9dc107bc48888

    SHA256

    cb103325583d2c348d7866435080e529b6952bc0e296a195df39b0e4304b313f

    SHA512

    d38123389c759a9c15d2e3991d8cf226cbd5fb1608d68a971e5ae9f693ccca8282d9848229cf27a524731f7d851922a9379271ca7cf39c95eb00e42bfb8aa47b

  • memory/992-54-0x0000000076561000-0x0000000076563000-memory.dmp

    Filesize

    8KB

  • memory/992-55-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/992-59-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB