Overview

overview

8

Static

static

fe828cf68e...64.exe

windows7_x64

8

fe828cf68e...64.exe

windows10_x64

8

Resubmissions

19-01-2022 16:34

220119-t3aw3abfa3 10

25-11-2021 12:35

211125-pshrpsaed9 8

Analysis

  • max time kernel
    123s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    25-11-2021 12:35

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    fe828cf68e77f09d903d17e4318e585ca5753b5cc1a8e7fdb081244ee6e29464.exe

  • Size

    8.7MB

  • MD5

    29d557e552e133898f5387443792f285

  • SHA1

    c33c1d1dbe9b838d916b938741f1ebe9f624293f

  • SHA256

    fe828cf68e77f09d903d17e4318e585ca5753b5cc1a8e7fdb081244ee6e29464

  • SHA512

    ac716245cb2ee2032e6789d1c69ada966603770d1ab950b43d7df61e55ac30a36f27885ec96a53e88f67a84c6c92a9228d57834cf3f36a910af6067b95c7b02b

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 11 IoCs
  • Enumerates connected drives 3 TTPs 64 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 Windows directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Modifies system certificate store 2 TTPs 4 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe828cf68e77f09d903d17e4318e585ca5753b5cc1a8e7fdb081244ee6e29464.exe
    "C:\Users\Admin\AppData\Local\Temp\fe828cf68e77f09d903d17e4318e585ca5753b5cc1a8e7fdb081244ee6e29464.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\SunlitGreen Software\UAParser 3.1.8.4\install\6D45053\adv1.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\fe828cf68e77f09d903d17e4318e585ca5753b5cc1a8e7fdb081244ee6e29464.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1637588158 " AI_EUIMSI=""
      2⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • Suspicious use of FindShellTrayWindow
      PID:1496
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D0B120DE298586F51C5F6352FC462715 C
      2⤵
      • Loads dropped DLL
      PID:1172
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3156F3171BA499AD961EAF49E071C715
      2⤵
      • Loads dropped DLL
      PID:1788
    • C:\Users\Admin\AppData\Roaming\SunlitGreen Software\UAParser\hfmonitor.exe
      "C:\Users\Admin\AppData\Roaming\SunlitGreen Software\UAParser\hfmonitor.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\tYQkLUwi & timeout 4 & del /f /q "C:\Users\Admin\AppData\Roaming\SunlitGreen Software\UAParser\hfmonitor.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:960
        • C:\Windows\SysWOW64\timeout.exe
          timeout 4
          4⤵
          • Delays execution with timeout.exe
          PID:1712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/816-58-0x000007FEFBA61000-0x000007FEFBA63000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1812-55-0x0000000075191000-0x0000000075193000-memory.dmp

    Filesize

    8KB

    Download