Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 22:55

General

  • Target

    7623b8ab94808a2b3ae48d90aa7075b02a905f6ef8f708141c9fa54d717f5ec0.exe

  • Size

    2.8MB

  • MD5

    f25a1d234ea5cd6094cf8234e306278a

  • SHA1

    b528c63be6ab62075aee2ed8dc7ff89927cbd3ae

  • SHA256

    7623b8ab94808a2b3ae48d90aa7075b02a905f6ef8f708141c9fa54d717f5ec0

  • SHA512

    9034016095a307b97aa12feae7a0593915a399a00cefae628f17d846484ca0222d7082b1048997ded2293ddea067576acbfa5fd5f834285d01a814464bec8b28

  • SSDEEP

    49152:GooEvqmT+pIQRXsi/MAW+V7RB+KuB52DwL+Iq5e7MjbK4ufpqIPpqY2J7FBiKiHB:GooEvZypIX4lw52vCMqJfwIPp4HIKMig

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Modifies system executable filetype association 2 TTPs 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).

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7623b8ab94808a2b3ae48d90aa7075b02a905f6ef8f708141c9fa54d717f5ec0.exe
    "C:\Users\Admin\AppData\Local\Temp\7623b8ab94808a2b3ae48d90aa7075b02a905f6ef8f708141c9fa54d717f5ec0.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    PID:3800

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\7623b8ab94808a2b3ae48d90aa7075b02a905f6ef8f708141c9fa54d717f5ec0.exe
    Filesize

    2.8MB

    MD5

    a19f24f2eddbf7e6d800d8c8f807d221

    SHA1

    a1d941c8d1a77edd9c314e38f9e350aff44739bb

    SHA256

    3594cbb9513a7908168b92ca7a5f70e84ae03aa2db48e78c26a744ebb5fe09c6

    SHA512

    eb2d9dfe4876bf03b4bb41a08de18e5ed2d0e92db137b9b79f4add614491e91a0509399c61b1cbeb501f9987964fb7050f4c3661e97986f38d8e87ca88884253

  • memory/3800-92-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3800-93-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3800-95-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB