Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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 2 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
  • 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⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    PID:2980

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

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

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

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2980-80-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB