Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 17:21

General

  • Target

    3628426e0aac06c423d4d1bd4a6418d6ef75a46d8a35b4cd39979aa37bec9d1fN.exe

  • Size

    458KB

  • MD5

    3613109fc9ede6cfdfddba83e16ddfa0

  • SHA1

    02a474260b68ed174cc20222d87b7994c01ebf36

  • SHA256

    3628426e0aac06c423d4d1bd4a6418d6ef75a46d8a35b4cd39979aa37bec9d1f

  • SHA512

    264e5bd1b485134c1d00c9a7d0a326b15230342d90e42e986cb724f68737c2549bcfa1585b81d61f120a3c432af52db0ceec0cc78e243d41e34065fd994361c2

  • SSDEEP

    6144:k9o409Jfie7X7OWjiUh3E7ZDX4jy9wyGLIQB79cdz/XMjIzHOCSzjgv+faiJwn:F7+LccdE0+fhwn

Malware Config

Signatures

  • Detect Neshta payload 2 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 2 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\3628426e0aac06c423d4d1bd4a6418d6ef75a46d8a35b4cd39979aa37bec9d1fN.exe
    "C:\Users\Admin\AppData\Local\Temp\3628426e0aac06c423d4d1bd4a6418d6ef75a46d8a35b4cd39979aa37bec9d1fN.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:2508
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3628426e0aac06c423d4d1bd4a6418d6ef75a46d8a35b4cd39979aa37bec9d1fN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3628426e0aac06c423d4d1bd4a6418d6ef75a46d8a35b4cd39979aa37bec9d1fN.exe"
      2⤵
      • Executes dropped EXE
      PID:2984

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\3628426e0aac06c423d4d1bd4a6418d6ef75a46d8a35b4cd39979aa37bec9d1fN.exe

    Filesize

    417KB

    MD5

    6e50e05312c37c373fceccc7f3b080b8

    SHA1

    533d44ab0d7a7a8d15bd6852edfcf5064b970856

    SHA256

    a0c743e7f0ea553db8a0e75c50030046433279b5188916cd96dbbdcf859df90d

    SHA512

    ae16960c031b5afc373bb6eff22b5b5b5091fcf560974a1ada4cdfa03236c1e13a946482ec3a1edab3c00f5818decae2fc14ba656905955e87718e9dec05e239

  • memory/2508-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB