Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    23/09/2021, 12:56

General

  • Target
    7f3fb65cfe033507b34f16b379fd1525.exe
  • Size 120KB
  • Sample210923-p6ebfaeed2
  • SHA256 cd3a5dfcef8038b02442c0875583b1bbe5b9ed15721bb47c4615728f46b9a91d
  • 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.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f3fb65cfe033507b34f16b379fd1525.exe
    "C:\Users\Admin\AppData\Local\Temp\7f3fb65cfe033507b34f16b379fd1525.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\ProgramData\479393.exe
      "C:\ProgramData\479393.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2684

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2056-117-0x0000000000D00000-0x0000000000D01000-memory.dmp

        memory/2056-118-0x000000001B5A0000-0x000000001B5A2000-memory.dmp

        memory/2056-115-0x00000000007F0000-0x00000000007F1000-memory.dmp

        memory/2684-122-0x0000000000660000-0x0000000000661000-memory.dmp

        memory/2684-124-0x0000000001180000-0x0000000001181000-memory.dmp

        memory/2684-125-0x0000000007700000-0x0000000007701000-memory.dmp

        memory/2684-126-0x0000000005060000-0x0000000005061000-memory.dmp

        memory/2684-127-0x0000000007E00000-0x0000000007E01000-memory.dmp

        memory/2684-128-0x0000000007970000-0x0000000007971000-memory.dmp

        memory/2684-129-0x0000000008830000-0x0000000008831000-memory.dmp

        memory/2684-130-0x0000000007A10000-0x0000000007A11000-memory.dmp

        memory/2684-131-0x00000000078D0000-0x00000000078D1000-memory.dmp