Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2025 03:27

General

  • Target

    93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe

  • Size

    146KB

  • MD5

    f29df77d7e2838aa0de2bf7b12dd23d4

  • SHA1

    dea66daed44606bd92006440192847949892876d

  • SHA256

    93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc

  • SHA512

    9a2610238de7baf273804cb5f21c0d3fb6fde8fe398bd8b32475d36bcb55d534168df041790f7335fc5314934bfc38c49562a8b0073c46dabadc513ce07fabb6

  • SSDEEP

    3072:sr85CkkbAYn2GgYlBYN2fHYTo+Hpt8wDSRUTT:k9xbAMpgY3gTb8DRUTT

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe
    "C:\Users\Admin\AppData\Local\Temp\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\3582-490\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe"
      2⤵
      • Executes dropped EXE
      PID:1892

Network

MITRE ATT&CK Enterprise v15

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

  • \Users\Admin\AppData\Local\Temp\3582-490\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe

    Filesize

    105KB

    MD5

    f13c29492fbf5d391d814ae027fc521b

    SHA1

    5823ea367767e0855b0cbb9ec70748674c38279c

    SHA256

    a0c4c1068ea76c6474c57fafe4d8896f9a8d92df9b88e79f3e6f83b2fe5c4570

    SHA512

    a4e32a6ae95bc61c4cf6cf6f985674f3bed489c45cbdfba6430001a655f03827fb184154e83e3d90b02dc1855f829aaed925b0ae66708f0fc44a395d0c642494

  • memory/1620-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1620-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB