Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2022 09:01

General

  • Target

    1e4af6db3b00aac1f959e61d762837d2.exe

  • Size

    27KB

  • MD5

    1e4af6db3b00aac1f959e61d762837d2

  • SHA1

    5dc86c39c1993e8e80d6051e5b985ce66d8e4624

  • SHA256

    241f37fd8dace0aa706ee2e30ecceb715118ec0b8971284586f52bbb2d74f48b

  • SHA512

    624ca25290ee7acb0c1b2a7ddc3c44f91c5a65a9672713336830ecb4f95272fd71fbab128d2b880eea258c4c4626854c31577c5f1b79dbb2591912449ca8ccb7

  • SSDEEP

    384:FELam4PanO4Y7pcdYGiTOCsPodxxMzAQk93vmhm7UMKmIEecKdbXTzm9bVhcaB6N:c63vc7OQzA/vMHTi9bD

Score
10/10

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

51.103.25.183:5552

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e4af6db3b00aac1f959e61d762837d2.exe
    "C:\Users\Admin\AppData\Local\Temp\1e4af6db3b00aac1f959e61d762837d2.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    PID:740

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/740-132-0x0000000000AC0000-0x0000000000ACE000-memory.dmp
    Filesize

    56KB

  • memory/740-133-0x00000000054B0000-0x000000000554C000-memory.dmp
    Filesize

    624KB

  • memory/740-134-0x0000000006270000-0x0000000006814000-memory.dmp
    Filesize

    5.6MB

  • memory/740-135-0x0000000005DA0000-0x0000000005E32000-memory.dmp
    Filesize

    584KB

  • memory/740-136-0x0000000005D90000-0x0000000005D9A000-memory.dmp
    Filesize

    40KB

  • memory/740-137-0x0000000005FA0000-0x0000000006006000-memory.dmp
    Filesize

    408KB