Analysis

  • max time kernel
    175s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    08-09-2020 13:53

General

  • Target

    f5d002bfe80b48386a6c99c41528931b7f5df736cd34094463c3f85dde0180bf.exe

  • Size

    211KB

  • MD5

    b805db8f6a84475ef76b795b0d1ed6ae

  • SHA1

    7711cb4873e58b7adcf2a2b047b090e78d10c75b

  • SHA256

    f5d002bfe80b48386a6c99c41528931b7f5df736cd34094463c3f85dde0180bf

  • SHA512

    62a2c329b43d186c4c602c5f63efc8d2657aa956f21184334263e4f6d0204d7c31f86bda6e85e65e3b99b891c1630d805b70997731c174f6081ecc367ccf9416

Malware Config

Signatures

  • InfinityLock Ransomware

    Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.

  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops file in Program Files directory 335 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5d002bfe80b48386a6c99c41528931b7f5df736cd34094463c3f85dde0180bf.exe
    "C:\Users\Admin\AppData\Local\Temp\f5d002bfe80b48386a6c99c41528931b7f5df736cd34094463c3f85dde0180bf.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/608-0-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB

  • memory/608-1-0x0000000000D90000-0x0000000000D91000-memory.dmp

    Filesize

    4KB