Analysis

  • max time kernel
    149s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    09-02-2023 14:35

General

  • Target

    2023-02-08_918a5b890f6b160d75030ca89cc5117b_neshta_revil_sodinokibi.exe

  • Size

    307KB

  • MD5

    918a5b890f6b160d75030ca89cc5117b

  • SHA1

    be0bfac0f56a1e1ce05e49d006d9c7f694983aff

  • SHA256

    7b0673e022585bf4aa208b1e3d215549842fabe78dfeaf9ae0a074a6c05c07fd

  • SHA512

    a74ea605b7e79ca092db88569ad8b6e2f65da01077efea1defdeb9bedfaf00a05508d7a7ef6cd135e76f255388b0cb1db95aa8ca679143eccebcc1490e8e8afc

  • SSDEEP

    6144:k9eS63VE6F/M4qE15NENn4F1zZeFHi2WGP4rKcO66HKwYmI:p5RqE1Ta4FJQFfWpK7HKZF

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-02-08_918a5b890f6b160d75030ca89cc5117b_neshta_revil_sodinokibi.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-02-08_918a5b890f6b160d75030ca89cc5117b_neshta_revil_sodinokibi.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    PID:1772

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1772-54-0x00000000757E1000-0x00000000757E3000-memory.dmp
    Filesize

    8KB