Analysis

  • max time kernel
    96s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 01:24

General

  • Target

    7e552863cf2eedefc01fb519520b3f0ad066703772043204b358866a58533e4c.exe

  • Size

    6.2MB

  • MD5

    2852c439674207cf1e5b574f50883190

  • SHA1

    d6efdb98c84885fbf4744dd8b8676438471ef991

  • SHA256

    7e552863cf2eedefc01fb519520b3f0ad066703772043204b358866a58533e4c

  • SHA512

    928fbaf2fe6ba6ab80e55ab6d35c83e827cbffd117e972a0a3bb2141e361fa61e3ca80daf1de3712cca02a3e75173163597604a29de91ce2eace8161a5ee126c

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e552863cf2eedefc01fb519520b3f0ad066703772043204b358866a58533e4c.exe
    "C:\Users\Admin\AppData\Local\Temp\7e552863cf2eedefc01fb519520b3f0ad066703772043204b358866a58533e4c.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:3256
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7e552863cf2eedefc01fb519520b3f0ad066703772043204b358866a58533e4c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7e552863cf2eedefc01fb519520b3f0ad066703772043204b358866a58533e4c.exe"
      2⤵
      • Executes dropped EXE
      PID:1324

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\7e552863cf2eedefc01fb519520b3f0ad066703772043204b358866a58533e4c.exe
    Filesize

    6.2MB

    MD5

    2fbe8348a03b7440eb5b025abae7f7d1

    SHA1

    caf51ef364615c4a07baa5789b753ae8bafa0149

    SHA256

    c68bb9b97e36b5daab3d100f427a7977a535d9b4ea20890fbb755f39d0421e94

    SHA512

    0dfe04ca094ca66498a84d778c953dec26a585793535c382422aa157d52adc61129ac9ff9ef7f55f2fbcaf12c98b896c54aaaff091f5d9f96ecbe19e1783a67c

  • memory/1324-130-0x0000000000000000-mapping.dmp