Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22/10/2024, 06:58

General

  • Target

    889ef350f34a8f32405e252076546f9f4769107544ba8b8b877c559f5706075dN.exe

  • Size

    1.7MB

  • MD5

    4b84cdd6b98c45dc779aa85c804f6da0

  • SHA1

    cbf469e4b8826f065553ba43ab1d014ede6b74b8

  • SHA256

    889ef350f34a8f32405e252076546f9f4769107544ba8b8b877c559f5706075d

  • SHA512

    29822ff7f911ac32d24db76cc57cc4163bd9947c13f72d9b1b562501bc480f957a8e2905ac665c23b7495f47dfd36e0741ba2fef1d913f6c69779f317455a7b5

  • SSDEEP

    49152:QPjlyQZUUuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuIuuuuuuuuuuuuuuuuuuuuE:QPBBZuuuuuuuuuuuuuuuuuuuuuuuuuui

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 3 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 AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\889ef350f34a8f32405e252076546f9f4769107544ba8b8b877c559f5706075dN.exe
    "C:\Users\Admin\AppData\Local\Temp\889ef350f34a8f32405e252076546f9f4769107544ba8b8b877c559f5706075dN.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:2528
    • C:\Users\Admin\AppData\Local\Temp\3582-490\889ef350f34a8f32405e252076546f9f4769107544ba8b8b877c559f5706075dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\889ef350f34a8f32405e252076546f9f4769107544ba8b8b877c559f5706075dN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2692
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x51c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2180

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\889ef350f34a8f32405e252076546f9f4769107544ba8b8b877c559f5706075dN.exe

    Filesize

    1.6MB

    MD5

    8d75d835274c52a5c7ca654ac95ce1ef

    SHA1

    ff2a987dd7637534e13ac8ae3e2f7ae04f1968a4

    SHA256

    357c80a06f89ca647b8530047a5e520956a449cd5b25a8618f53ef2373c065eb

    SHA512

    051518ab0c96563938445ea89f9848c3ec70bf94365628f137190450faeabdff6bb6707a03b74205905abdb940e4f751aa307df37500cd6be1095cae32ade37b

  • memory/2528-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2528-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB