Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 11:24

General

  • Target

    266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe

  • Size

    1.8MB

  • MD5

    e8ce528d369c041ceaa0042a3a194400

  • SHA1

    b7304945dbf6e80175532868623b414e9a60dab8

  • SHA256

    266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3

  • SHA512

    e1173bd3f84ee63278cbeec131d3431276c1f2d83fe7d9f69c9a7d824f44dc2b651499d4d50e843db991afed595640ddf09e64d4dc175200ecac467959cc9c24

  • SSDEEP

    49152:3avacdDzEQ/tRxTdUmzOHQUyb/NQYN9R9mid9oLFQNrzbyfGc7:wXdXEQ/tz6+bFQYN9R9midAF8u

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.

  • 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 2 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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe
    "C:\Users\Admin\AppData\Local\Temp\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.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:2488
    • C:\Users\Admin\AppData\Local\Temp\3582-490\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\266a0f61ea982198cb9132cd2ef888dc042af5be52e4b03b257b9d1283f588f3N.exe

    Filesize

    1.8MB

    MD5

    11b5ac2740564e25db4bad2cba945a6b

    SHA1

    f29eba1952f99b611790c99c6e3c2548402e5a37

    SHA256

    2b335cab7d4c4382df09922a917003800f375fd7677335257d6789a8c385abf9

    SHA512

    8ad98ec2dfac75d24d984486ee6ebb7067b54e192b9dd008781333fe566125f16206ac716a0b0944a2c5bad3b5ce25689a53ad07ba9659390958186293231ff2

  • memory/2488-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2488-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB