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
    29-11-2024 02:22

General

  • Target

    6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe

  • Size

    712KB

  • MD5

    3d166207f473ce541c5a7f77abfdda30

  • SHA1

    2448f09d7ef6a6b67c2377ba827e7afbad4f8a60

  • SHA256

    6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0

  • SHA512

    4bd01d70c92109fbe435aa3660a06bb231ee98b6fb741b38a5d35a130f3d7c84174fbd6315c559f0b4897c91c6f4c31cc4819efc54139451dd57f6400df8f00b

  • SSDEEP

    12288:bhLmx63icEFzp9wfXtXWrFbA1JNB4u9hnJhoHMGo5l:tL+90X78u9hnJhoHMBl

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\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe
    "C:\Users\Admin\AppData\Local\Temp\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.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:296
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe"
      2⤵
      • Executes dropped EXE
      PID:2764

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\6ec8af0086bbef5b68eb7da7ed99dae24e7f301441eb9dcf7bd767db2da60ca0N.exe

    Filesize

    672KB

    MD5

    6af1e3b37f28293f4fc127ee01d2632c

    SHA1

    2b1ce5fbfd2d4480b709fcfc5e75c280f518a951

    SHA256

    2978b17f6184d100d249d4311348dd30c5c32ec75c014b667a525b797d3d8813

    SHA512

    f8faa5269e94c9e3d0e38ebc163fd77c42f014fb17ff2ba6925d5e8d8bcf8014c48bb025c34d74e5e86d3721d61d9e041ef99381006ce4ed2c6260a47e2133b7

  • memory/296-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/296-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB