Overview

overview

10

Static

static

10

8b96aef360...1f.msi

windows7_x64

8

8b96aef360...1f.msi

windows10-2004_x64

8

Analysis

  • max time kernel
    146s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    01/02/2022, 05:11

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General

  • Target

    8b96aef3600697f94165242dc424cd98d12a68911a959021b161ba9c8500ca1f.msi

  • Size

    382KB

  • MD5

    40cd765c69ec60012bf6b4213aa35d76

  • SHA1

    8c1fe03096e612864e3300531430655316aac51a

  • SHA256

    8b96aef3600697f94165242dc424cd98d12a68911a959021b161ba9c8500ca1f

  • SHA512

    c2e3185345785c06848ca1d23ecd662749a4786b84259f421ad580bbc1a50b1d3941a11f48dd4dffec37c9b62607ef01ce99d05901aa1965a046db128c158d41

Score
8/10
persistence

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs
    persistence
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Windows directory 13 IoCs
  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 42 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\8b96aef3600697f94165242dc424cd98d12a68911a959021b161ba9c8500ca1f.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3832
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1312
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe b2b9e76500e2b6becdd5a2cf94d5e948 HEi96ZH5BEeV6ft6KBdI+g.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:4956
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3456
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s DsmSvc
    1⤵
    • Checks SCSI registry key(s)
    • Modifies data under HKEY_USERS
    PID:3212

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • memory/3456-142-0x0000016B5E3B0000-0x0000016B5E3B4000-memory.dmp

    Filesize

    16KB

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