Analysis

  • max time kernel
    111s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27/04/2021, 06:41

General

  • Target
    0240347f0a7e6318facda5d29103c2dba44ef0d45f76706cd5ade058a69c0c55.bin.exe
  • Size 5.1MB
  • Sample210427-b2eshqhfja
  • SHA256 0240347f0a7e6318facda5d29103c2dba44ef0d45f76706cd5ade058a69c0c55
  • 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\0240347f0a7e6318facda5d29103c2dba44ef0d45f76706cd5ade058a69c0c55.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\0240347f0a7e6318facda5d29103c2dba44ef0d45f76706cd5ade058a69c0c55.bin.exe"
    1⤵
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1888
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 2E220589D056FC85AD27DD6951C47118 C
      2⤵
      • Loads dropped DLL
      PID:1084

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1376-63-0x000007FEFB571000-0x000007FEFB573000-memory.dmp

        memory/1888-60-0x0000000075161000-0x0000000075163000-memory.dmp

        memory/1888-61-0x0000000073951000-0x0000000073953000-memory.dmp

        memory/1888-62-0x0000000000350000-0x00000000003ED000-memory.dmp