Analysis

  • max time kernel
    126s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2022 11:22

General

  • Target

    95df9f6e8cb915f2598b414e96d44b86bf766d2816bdefa264ae6a9737858efb.exe

  • Size

    866KB

  • MD5

    139c8794fbaad87627057f9df1bc8362

  • SHA1

    2d600c06f66453656a8a448de0ab3bf28e4ecb79

  • SHA256

    95df9f6e8cb915f2598b414e96d44b86bf766d2816bdefa264ae6a9737858efb

  • SHA512

    b7b2c8ba2800e4affec288c6070b50dbccd377328b143b3fcc378d18bb38f281b334a91f86aedd721ec421bd78bbd3a65f428178c0ace821952298936d427fd9

  • SSDEEP

    24576:nFYkoAT97xqG3J9NpsK+XNXxayy8f5pVq735w5FHX+Vxuu3ksSisEGkGCKxqE6Xe:FYkoAT97xr3fND+XNXxayy8f5pVq73iP

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.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95df9f6e8cb915f2598b414e96d44b86bf766d2816bdefa264ae6a9737858efb.exe
    "C:\Users\Admin\AppData\Local\Temp\95df9f6e8cb915f2598b414e96d44b86bf766d2816bdefa264ae6a9737858efb.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\3582-490\95df9f6e8cb915f2598b414e96d44b86bf766d2816bdefa264ae6a9737858efb.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\95df9f6e8cb915f2598b414e96d44b86bf766d2816bdefa264ae6a9737858efb.exe"
      2⤵
      • Executes dropped EXE
      PID:1944

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\95df9f6e8cb915f2598b414e96d44b86bf766d2816bdefa264ae6a9737858efb.exe
    Filesize

    826KB

    MD5

    e6e8b9dd567b32691322b1262743752e

    SHA1

    30d65274f98fd38a0546c6181fb1009259e87c08

    SHA256

    f49a7edd84b648ddf75a3d4e6299eaa61fa8c249ca8cb1a98585367dad28071c

    SHA512

    e5c79526d410e1a062efabdaf060ac466798f58ad9bedd701fbefa5936533cea04ac70220b79a6fcc367de51ece796571c3e813ae5db3b7843c186df5dfcb11d

  • C:\Users\Admin\AppData\Local\Temp\3582-490\95df9f6e8cb915f2598b414e96d44b86bf766d2816bdefa264ae6a9737858efb.exe
    Filesize

    826KB

    MD5

    e6e8b9dd567b32691322b1262743752e

    SHA1

    30d65274f98fd38a0546c6181fb1009259e87c08

    SHA256

    f49a7edd84b648ddf75a3d4e6299eaa61fa8c249ca8cb1a98585367dad28071c

    SHA512

    e5c79526d410e1a062efabdaf060ac466798f58ad9bedd701fbefa5936533cea04ac70220b79a6fcc367de51ece796571c3e813ae5db3b7843c186df5dfcb11d

  • memory/1944-132-0x0000000000000000-mapping.dmp