Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 01:50

General

  • Target

    aaa2ab151345655ce43eb6e2b48b27a4cd32eff0fcf4b844c7f0252059c5bba2.exe

  • Size

    868KB

  • MD5

    99aba7fdcc9d74ae7b487005f37c713c

  • SHA1

    828f8074ece335133036a247be26fb07a71c2452

  • SHA256

    aaa2ab151345655ce43eb6e2b48b27a4cd32eff0fcf4b844c7f0252059c5bba2

  • SHA512

    94cdfe2261299d846a740abc7d266a2320af56b6cfe1e5775301d804eb7acbfa49c8bbc9744f9e9a7b1b873ffffc7262726df76b0911c7a401c42d3b5546aa44

  • SSDEEP

    24576:Vr+6A9WXa+u5aIYmBIwADbvw8l9d5NBc404HOVTZGW:1o+u5aIYmBIwADzw8l9fc4XOLGW

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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aaa2ab151345655ce43eb6e2b48b27a4cd32eff0fcf4b844c7f0252059c5bba2.exe
    "C:\Users\Admin\AppData\Local\Temp\aaa2ab151345655ce43eb6e2b48b27a4cd32eff0fcf4b844c7f0252059c5bba2.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:2112
    • C:\Users\Admin\AppData\Local\Temp\3582-490\aaa2ab151345655ce43eb6e2b48b27a4cd32eff0fcf4b844c7f0252059c5bba2.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\aaa2ab151345655ce43eb6e2b48b27a4cd32eff0fcf4b844c7f0252059c5bba2.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2792

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\aaa2ab151345655ce43eb6e2b48b27a4cd32eff0fcf4b844c7f0252059c5bba2.exe

    Filesize

    828KB

    MD5

    81d42a21956f5f87a281e9c88e5eb0b3

    SHA1

    79f3f8c97654bc644e0c881e3a69141691d8dcc4

    SHA256

    6f06fdece639d083cb27e95c406b27a680695219fec60cf8ba8c8bfb6252be3e

    SHA512

    f0247a89bbeddd35f6b2b683e00ec14612c05efa317b9538410068a748a18226fc2572b6020fd29894e7a84e16a5b83147d4e9220f418f33d80345994f447152

  • memory/2112-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2112-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2792-18-0x0000000000020000-0x0000000000031000-memory.dmp

    Filesize

    68KB

  • memory/2792-16-0x0000000000020000-0x0000000000031000-memory.dmp

    Filesize

    68KB

  • memory/2792-14-0x0000000000020000-0x0000000000031000-memory.dmp

    Filesize

    68KB

  • memory/2792-12-0x0000000000020000-0x0000000000031000-memory.dmp

    Filesize

    68KB

  • memory/2792-11-0x0000000000020000-0x0000000000031000-memory.dmp

    Filesize

    68KB