Analysis

  • max time kernel
    16s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 22:48

General

  • Target

    06152dc1635a5cc81c60aa1287fe26b3903c7a6e40b48e53b8044774a52aab43N.exe

  • Size

    2.2MB

  • MD5

    8e08d75cb007f9bf71843718b30496e0

  • SHA1

    ebc787f3e90cd199ec169d0bc06e8dec966bdf86

  • SHA256

    06152dc1635a5cc81c60aa1287fe26b3903c7a6e40b48e53b8044774a52aab43

  • SHA512

    884f0d3e011394e02c7ac0ac1afc786ab86153f3180b9aa6711e7b5750dfed5e62a8200b013c91fb1c74fe7f89c1087251a0aa4f6ccc37f72d65240f975abe4a

  • SSDEEP

    49152:9GNnYqLdMayBxQcpH+jiW/bHZAIJTiwyl:adspH/W/2l

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 use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06152dc1635a5cc81c60aa1287fe26b3903c7a6e40b48e53b8044774a52aab43N.exe
    "C:\Users\Admin\AppData\Local\Temp\06152dc1635a5cc81c60aa1287fe26b3903c7a6e40b48e53b8044774a52aab43N.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:2532
    • C:\Users\Admin\AppData\Local\Temp\3582-490\06152dc1635a5cc81c60aa1287fe26b3903c7a6e40b48e53b8044774a52aab43N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\06152dc1635a5cc81c60aa1287fe26b3903c7a6e40b48e53b8044774a52aab43N.exe"
      2⤵
      • Executes dropped EXE
      PID:2328

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

  • C:\Users\Admin\AppData\Local\Temp\3582-490\06152dc1635a5cc81c60aa1287fe26b3903c7a6e40b48e53b8044774a52aab43N.exe

    Filesize

    2.1MB

    MD5

    362c9ed766811f11c347549629e2d88a

    SHA1

    6ca5bc5fbb818f26b5cb64eefe051a6a7ae8b31b

    SHA256

    b42a9bcc3f1f6ddd942aee4678e03ba09036c91068d1d8c15d50e9d813b9200c

    SHA512

    8c0f22a1adcb828d0380bdc368101731e150e4bf7a8f89f49791cc26aca990103ef3551b7d4ba2f5a961cdeace5ab8ef53c5a3f039ed5f493ff8afd1a788ed6a

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2532-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2532-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB