Analysis

  • max time kernel
    154s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    13-02-2022 10:45

General

  • Target

    3f9a7292c3b4837477ef5d8181fae11e827753a575f0ee852546fe64c79389ab.msi

  • Size

    639KB

  • MD5

    e007150906487c162a47e2ed102460e3

  • SHA1

    19f4b3d82646e0872504d7862b0b01e3dc5822b8

  • SHA256

    3f9a7292c3b4837477ef5d8181fae11e827753a575f0ee852546fe64c79389ab

  • SHA512

    7b14161d8cf731da5a580f479bc358183b91658717cefe4b76e1b89028eae2a633e3254b075597dc43d92d20e008fe36007b70409dbec95ce3749e52020a357f

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • 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 11 IoCs
  • Modifies Internet Explorer settings 1 TTPs 50 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\3f9a7292c3b4837477ef5d8181fae11e827753a575f0ee852546fe64c79389ab.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1756
  • 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:1472
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding ADA88624AABA1571A5B6DFA1514DADDD
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C start /MAX https://adobe.ly/2RY5GJR
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1732
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" https://adobe.ly/2RY5GJR
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:924
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:924 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2020
      • C:\Users\Admin\AppData\Local\Temp\lc8ACD.tmp
        "C:\Users\Admin\AppData\Local\Temp\lc8ACD.tmp"
        3⤵
        • Executes dropped EXE
        PID:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1096-57-0x00000000769D1000-0x00000000769D3000-memory.dmp

    Filesize

    8KB

  • memory/1756-55-0x000007FEFC261000-0x000007FEFC263000-memory.dmp

    Filesize

    8KB