Analysis

  • max time kernel
    124s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    24/07/2021, 07:07

General

  • Target
    10dd93db54c9231f04a52ede88f71e05.exe
  • Size 118KB
  • Sample210724-np5e4a2xee
  • SHA256 eb174e394045ace11c04f6207fdfadfb9f1b2218df1c057cace3fdbbfd05d679
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10dd93db54c9231f04a52ede88f71e05.exe
    "C:\Users\Admin\AppData\Local\Temp\10dd93db54c9231f04a52ede88f71e05.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Users\Admin\AppData\Roaming\7060588.exe
      "C:\Users\Admin\AppData\Roaming\7060588.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1652 -s 1868
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1284

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1284-72-0x000007FEFB681000-0x000007FEFB683000-memory.dmp

        memory/1284-73-0x0000000001D20000-0x0000000001D21000-memory.dmp

        memory/1652-67-0x0000000000C10000-0x0000000000C11000-memory.dmp

        memory/1652-69-0x00000000001C0000-0x0000000000205000-memory.dmp

        memory/1652-70-0x000000001AC80000-0x000000001AC82000-memory.dmp

        memory/1840-60-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

        memory/1840-62-0x0000000000470000-0x0000000000486000-memory.dmp

        memory/1840-63-0x000000001AD90000-0x000000001AD92000-memory.dmp