Analysis

  • max time kernel
    113s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-06-2022 14:24

General

  • Target

    ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe

  • Size

    1.4MB

  • MD5

    3d339653a024ebb3969829307400a392

  • SHA1

    7e2cee7f0a5d607583389b16887c46829abc36e0

  • SHA256

    ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293

  • SHA512

    de7e48dd05496dad9c7d9b30d2843a18522a69b6e74aa1bb2baf180aacb2962664f6a3124a969b1162d510d87708dc27b92037013757136de10c13d20fa72dcc

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 2 IoCs
  • Loads dropped DLL 3 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe
    "C:\Users\Admin\AppData\Local\Temp\ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2004

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

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe
    Filesize

    1.4MB

    MD5

    e32f72e15f78347c51c4ca1b2847f667

    SHA1

    de8b253c8aee745fdb082fec5ad0618c2e4cdb92

    SHA256

    341cb4515476007153b7f17212f5e4476852837a031efedd5a4adea723c0bcbe

    SHA512

    5e920453f6fb39b6da4020e803e94b997a4bbc71d5455d0717cea6673864dadc19d66971af9d2ce835b080da41b800e90778384c7799a6f9ac15a840cf4977e5

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

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe
    Filesize

    1.4MB

    MD5

    e32f72e15f78347c51c4ca1b2847f667

    SHA1

    de8b253c8aee745fdb082fec5ad0618c2e4cdb92

    SHA256

    341cb4515476007153b7f17212f5e4476852837a031efedd5a4adea723c0bcbe

    SHA512

    5e920453f6fb39b6da4020e803e94b997a4bbc71d5455d0717cea6673864dadc19d66971af9d2ce835b080da41b800e90778384c7799a6f9ac15a840cf4977e5

  • \Users\Admin\AppData\Local\Temp\3582-490\ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe
    Filesize

    1.4MB

    MD5

    e32f72e15f78347c51c4ca1b2847f667

    SHA1

    de8b253c8aee745fdb082fec5ad0618c2e4cdb92

    SHA256

    341cb4515476007153b7f17212f5e4476852837a031efedd5a4adea723c0bcbe

    SHA512

    5e920453f6fb39b6da4020e803e94b997a4bbc71d5455d0717cea6673864dadc19d66971af9d2ce835b080da41b800e90778384c7799a6f9ac15a840cf4977e5

  • \Users\Admin\AppData\Local\Temp\3582-490\ddda60d1e3fa833ce9bc480cbd5cbabb28d2902f7ab20c842a6bc73dab1ec293.exe
    Filesize

    1.4MB

    MD5

    e32f72e15f78347c51c4ca1b2847f667

    SHA1

    de8b253c8aee745fdb082fec5ad0618c2e4cdb92

    SHA256

    341cb4515476007153b7f17212f5e4476852837a031efedd5a4adea723c0bcbe

    SHA512

    5e920453f6fb39b6da4020e803e94b997a4bbc71d5455d0717cea6673864dadc19d66971af9d2ce835b080da41b800e90778384c7799a6f9ac15a840cf4977e5

  • memory/872-54-0x00000000768D1000-0x00000000768D3000-memory.dmp
    Filesize

    8KB

  • memory/2004-57-0x0000000000000000-mapping.dmp
  • memory/2004-59-0x000007FEFBFC1000-0x000007FEFBFC3000-memory.dmp
    Filesize

    8KB