Analysis

  • max time kernel
    143s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    03-06-2022 01:56

General

  • Target

    142707e908e3691c05fe907738e9e0740a81be17f6a5a04d6e51647cdd57ba2f.exe

  • Size

    388KB

  • MD5

    0909bde36854892a4a4a2f68489cb410

  • SHA1

    1216ce7237a259f30d285753742487df1704805f

  • SHA256

    142707e908e3691c05fe907738e9e0740a81be17f6a5a04d6e51647cdd57ba2f

  • SHA512

    e379e0c339eefd921b78071d110fa7e96abc55f59a420ee7e80d3380dcf99e927417d29e8efd802adc19bb17846dbe7a55b570ac14c3633dfc146fb3e4706775

Malware Config

Signatures

  • Detect Neshta Payload 6 IoCs
  • 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.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\142707e908e3691c05fe907738e9e0740a81be17f6a5a04d6e51647cdd57ba2f.exe
    "C:\Users\Admin\AppData\Local\Temp\142707e908e3691c05fe907738e9e0740a81be17f6a5a04d6e51647cdd57ba2f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Users\Admin\AppData\Local\Temp\142707e908e3691c05fe907738e9e0740a81be17f6a5a04d6e51647cdd57ba2f.exe
      C:\Users\Admin\AppData\Local\Temp\142707e908e3691c05fe907738e9e0740a81be17f6a5a04d6e51647cdd57ba2f.exe
      2⤵
      • Modifies system executable filetype association
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/588-79-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-81-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-70-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-80-0x00000000004080E4-mapping.dmp

  • memory/588-77-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-76-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-75-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-74-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-73-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-71-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1404-63-0x0000000004DE5000-0x0000000004DF6000-memory.dmp

    Filesize

    68KB

  • memory/1404-84-0x0000000070A30000-0x000000007174D000-memory.dmp

    Filesize

    13.1MB

  • memory/1404-68-0x0000000002060000-0x00000000020B0000-memory.dmp

    Filesize

    320KB

  • memory/1404-67-0x0000000070A30000-0x000000007174D000-memory.dmp

    Filesize

    13.1MB

  • memory/1404-66-0x0000000073D00000-0x0000000073E94000-memory.dmp

    Filesize

    1.6MB

  • memory/1404-65-0x0000000071750000-0x0000000072160000-memory.dmp

    Filesize

    10.1MB

  • memory/1404-64-0x0000000072160000-0x00000000734EF000-memory.dmp

    Filesize

    19.6MB

  • memory/1404-54-0x0000000000A40000-0x0000000000AA6000-memory.dmp

    Filesize

    408KB

  • memory/1404-62-0x000000006FB10000-0x000000007024E000-memory.dmp

    Filesize

    7.2MB

  • memory/1404-61-0x0000000070A30000-0x000000007174D000-memory.dmp

    Filesize

    13.1MB

  • memory/1404-60-0x0000000073C00000-0x0000000073CFC000-memory.dmp

    Filesize

    1008KB

  • memory/1404-59-0x0000000070250000-0x0000000070A30000-memory.dmp

    Filesize

    7.9MB

  • memory/1404-58-0x0000000073D00000-0x0000000073E94000-memory.dmp

    Filesize

    1.6MB

  • memory/1404-69-0x0000000004F50000-0x0000000004FB6000-memory.dmp

    Filesize

    408KB

  • memory/1404-57-0x0000000071750000-0x0000000072160000-memory.dmp

    Filesize

    10.1MB

  • memory/1404-85-0x0000000073D00000-0x0000000073E94000-memory.dmp

    Filesize

    1.6MB

  • memory/1404-87-0x0000000070250000-0x0000000070A30000-memory.dmp

    Filesize

    7.9MB

  • memory/1404-88-0x0000000072160000-0x00000000734EF000-memory.dmp

    Filesize

    19.6MB

  • memory/1404-89-0x0000000071750000-0x0000000072160000-memory.dmp

    Filesize

    10.1MB

  • memory/1404-90-0x0000000004DE5000-0x0000000004DF6000-memory.dmp

    Filesize

    68KB

  • memory/1404-91-0x0000000073700000-0x0000000073763000-memory.dmp

    Filesize

    396KB

  • memory/1404-92-0x000000006F980000-0x000000006FB0B000-memory.dmp

    Filesize

    1.5MB

  • memory/1404-56-0x0000000075A61000-0x0000000075A63000-memory.dmp

    Filesize

    8KB

  • memory/1404-55-0x0000000072160000-0x00000000734EF000-memory.dmp

    Filesize

    19.6MB

  • memory/1404-95-0x000000006F980000-0x000000006FB0B000-memory.dmp

    Filesize

    1.5MB