Analysis

  • max time kernel
    111s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 09:05

General

  • Target

    62fc1160ec03777f00d058693fb0269fc9fcd74eb873a3fcebc95494955f483cN.exe

  • Size

    1.7MB

  • MD5

    72d0a909f45e8e04d55a8175b24ba4f0

  • SHA1

    043f0d02f79628c2f28b709cfbeb06c4562ef1a8

  • SHA256

    62fc1160ec03777f00d058693fb0269fc9fcd74eb873a3fcebc95494955f483c

  • SHA512

    feee99bbd977c92aa7a68a68e6daecfa644ef9e8e98ea207253d504674349890d4031c72195ad347a4ade23acfcb32bf46c13620410cce0263121fcd23593925

  • SSDEEP

    24576:rocK1ll1RPAvTNm8vDc2Tdh3YEpQsPK3HN+TAl:r1IWhmassC3N+TU

Malware Config

Signatures

  • Detect Neshta payload 6 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 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 SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62fc1160ec03777f00d058693fb0269fc9fcd74eb873a3fcebc95494955f483cN.exe
    "C:\Users\Admin\AppData\Local\Temp\62fc1160ec03777f00d058693fb0269fc9fcd74eb873a3fcebc95494955f483cN.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:2856
    • C:\Users\Admin\AppData\Local\Temp\3582-490\62fc1160ec03777f00d058693fb0269fc9fcd74eb873a3fcebc95494955f483cN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\62fc1160ec03777f00d058693fb0269fc9fcd74eb873a3fcebc95494955f483cN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2472

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\62fc1160ec03777f00d058693fb0269fc9fcd74eb873a3fcebc95494955f483cN.exe

    Filesize

    1.6MB

    MD5

    bab001e2ed024644d43ec7c09fd948e8

    SHA1

    c801c2f0d6114d2a702e8447a4a481b3f4fe7c7f

    SHA256

    f911a844552b271ff34a17553c66364cc1d309038b280ca59eeafe068bfec26e

    SHA512

    85334b8ce786753bea241526446331507a3a06f9a83be34f3402ced82b36917c75963f85a84b03da039979420112d5ef9fecc7a7f3f2b31f6496b60d1d53441a

  • memory/2472-93-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-95-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-89-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2472-88-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-104-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-91-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-103-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-12-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2472-102-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-101-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-100-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-98-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2472-99-0x0000000000400000-0x00000000005BC000-memory.dmp

    Filesize

    1.7MB

  • memory/2856-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB