Analysis

  • max time kernel
    112s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27/04/2021, 06:41

General

  • Target
    0ec8d01e78f2157589701925ec97ada690046fa17ca65a0db766d96533529aab.bin.exe
  • Size 5.1MB
  • Sample210427-9src5vy492
  • SHA256 0ec8d01e78f2157589701925ec97ada690046fa17ca65a0db766d96533529aab
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0ec8d01e78f2157589701925ec97ada690046fa17ca65a0db766d96533529aab.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\0ec8d01e78f2157589701925ec97ada690046fa17ca65a0db766d96533529aab.bin.exe"
    1⤵
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1096
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A534D099122E0EA129C1D91C7D2774A7 C
      2⤵
      • Loads dropped DLL
      PID:980

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/572-63-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

        memory/1096-60-0x00000000752F1000-0x00000000752F3000-memory.dmp

        memory/1096-61-0x0000000074171000-0x0000000074173000-memory.dmp

        memory/1096-62-0x0000000000260000-0x00000000002FD000-memory.dmp