Resubmissions

10-11-2022 09:01

221110-kyxetsacgl 10

31-10-2022 17:01

221031-vjjkjacdbq 8

Analysis

  • max time kernel
    142s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2022 17:01

General

  • Target

    b102ed1018de0b7faea37ca86f27ba3025c0c70f28417ac3e9ef09d32617f801.exe

  • Size

    32KB

  • MD5

    6468ee100d88c71d55dfdcf4e30f991e

  • SHA1

    5c520d2d7dc4c9e5d536d3aff998185657d40ac8

  • SHA256

    b102ed1018de0b7faea37ca86f27ba3025c0c70f28417ac3e9ef09d32617f801

  • SHA512

    41913eb5adaab42c7ebff547421c0faedede5a3356cb2aa8b92ab20320f73766101056853f450435281cf31e7f32603c62fbd88fa3a680b19abda5d8cc9a98ae

  • SSDEEP

    768:QzG3EG0IUJrd6dQar/MjfW33AMar6q3Fu:QKEG4Jx6Ky/Mjo3AMa13U

Malware Config

Signatures

  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b102ed1018de0b7faea37ca86f27ba3025c0c70f28417ac3e9ef09d32617f801.exe
    "C:\Users\Admin\AppData\Local\Temp\b102ed1018de0b7faea37ca86f27ba3025c0c70f28417ac3e9ef09d32617f801.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:4572

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4572-133-0x00000000000C0000-0x00000000000C5000-memory.dmp
    Filesize

    20KB

  • memory/4572-134-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4572-132-0x0000000000020000-0x0000000000026000-memory.dmp
    Filesize

    24KB