Analysis

  • max time kernel
    21s
  • max time network
    23s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    19-04-2021 16:24

General

  • Target

    ca5751036a12d0a9fba5f2c6cd2bde61b9c40e1607f751c39212b9c9a94c6b5a.exe

  • Size

    71KB

  • MD5

    97780c0075e7749f8880f41b91f8892f

  • SHA1

    dfa6e362535ddfeb7df53b29cc6830617d581df1

  • SHA256

    ca5751036a12d0a9fba5f2c6cd2bde61b9c40e1607f751c39212b9c9a94c6b5a

  • SHA512

    fbe6cd18a2a2703ef3a747c029b72945c1bad467dad035910098590b66eeece92c1cbf4ce35adb5da0481ab700aa9a565c450b92883a78f82d933546fa6d65ed

Malware Config

Signatures

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 36 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca5751036a12d0a9fba5f2c6cd2bde61b9c40e1607f751c39212b9c9a94c6b5a.exe
    "C:\Users\Admin\AppData\Local\Temp\ca5751036a12d0a9fba5f2c6cd2bde61b9c40e1607f751c39212b9c9a94c6b5a.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    PID:1100
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1712

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/1100-60-0x0000000075A31000-0x0000000075A33000-memory.dmp
    Filesize

    8KB