Overview

overview

10

Static

static

bfaebc86c1...in.exe

windows7_x64

10

bfaebc86c1...in.exe

windows10_x64

10

Resubmissions

04-09-2021 18:09

210904-wrxmsshegj 10

31-08-2020 12:21

200831-tnfgvzw7da 10

Analysis

  • max time kernel
    83s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    31-08-2020 12:21

Sharing

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General

  • Target

    bfaebc86c1712aa80f501d859de686078b9f21e89174bd23a19b27af93b40ce4.bin.exe

  • Size

    77KB

  • MD5

    4e24780d9700a1cb9d741d7ef51889f1

  • SHA1

    4700da92e1f99b576ff517d3fa18103c67ac0d11

  • SHA256

    bfaebc86c1712aa80f501d859de686078b9f21e89174bd23a19b27af93b40ce4

  • SHA512

    c1d2501b95822796d6116711d426463dd95fd059201e11cf19f9ba8709782e6997cd4d2c04eb163199d305e04e04462ed032a53f50f9df0f4ff495dfb75450a0

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 9 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\bfaebc86c1712aa80f501d859de686078b9f21e89174bd23a19b27af93b40ce4.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\bfaebc86c1712aa80f501d859de686078b9f21e89174bd23a19b27af93b40ce4.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:424
  • 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:2596

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/424-0-0x0000000073530000-0x0000000073C1E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/424-1-0x0000000000E10000-0x0000000000E11000-memory.dmp
    Filesize

    4KB

    Download
  • memory/424-3-0x0000000005710000-0x0000000005739000-memory.dmp
    Filesize

    164KB

    Download
  • memory/424-4-0x0000000005830000-0x0000000005831000-memory.dmp
    Filesize

    4KB

    Download
  • memory/424-5-0x0000000005DD0000-0x0000000005DD1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/424-6-0x0000000005970000-0x0000000005971000-memory.dmp
    Filesize

    4KB

    Download
  • memory/424-7-0x0000000005820000-0x0000000005821000-memory.dmp
    Filesize

    4KB

    Download
  • memory/424-8-0x0000000005B30000-0x0000000005B31000-memory.dmp
    Filesize

    4KB

    Download
  • memory/424-9-0x0000000001510000-0x0000000001511000-memory.dmp
    Filesize

    4KB

    Download