Overview

overview

10

Static

static

Win7: 5min timeout

windows7_x64

10

Win10: 5min timeout

windows10_x64

10

Analysis

  • max time kernel
    270s
  • max time network
    270s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    08-09-2020 13:53

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General

  • Target

    f5d002bfe80b48386a6c99c41528931b7f5df736cd34094463c3f85dde0180bf.exe

  • Size

    211KB

  • MD5

    b805db8f6a84475ef76b795b0d1ed6ae

  • SHA1

    7711cb4873e58b7adcf2a2b047b090e78d10c75b

  • SHA256

    f5d002bfe80b48386a6c99c41528931b7f5df736cd34094463c3f85dde0180bf

  • SHA512

    62a2c329b43d186c4c602c5f63efc8d2657aa956f21184334263e4f6d0204d7c31f86bda6e85e65e3b99b891c1630d805b70997731c174f6081ecc367ccf9416

Score
10/10
ransomwareinfinitylock

Malware Config

Signatures

  • InfinityLock Ransomware

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

    ransomwareinfinitylock
  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops file in Program Files directory 2779 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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:3692
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:820

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/3692-0-0x0000000073670000-0x0000000073D5E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/3692-1-0x0000000000D30000-0x0000000000D31000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3692-3-0x00000000055F0000-0x00000000055F1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3692-4-0x0000000005B90000-0x0000000005B91000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3692-5-0x0000000005690000-0x0000000005691000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3692-6-0x0000000005590000-0x0000000005591000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3692-7-0x0000000005850000-0x0000000005851000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3692-8-0x0000000007350000-0x0000000007351000-memory.dmp
    Filesize

    4KB

    Download