Analysis

  • max time kernel
    85s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2024 16:47

General

  • Target

    51f6f2c3e7fd2a0a494df2eb0379d45674814ca188062c1a3ac1463a36ced264N.exe

  • Size

    144KB

  • MD5

    1d89f6a4bf5797da40ed4485e88762f0

  • SHA1

    94d7b4bfb3aa3c22e8da04e07dd3e260a6b64adc

  • SHA256

    51f6f2c3e7fd2a0a494df2eb0379d45674814ca188062c1a3ac1463a36ced264

  • SHA512

    eeb5c6b7966c0ba0448f725f079a0100704f50af32ea851001568d8a1d76220de4622534e2da1e5efbbe20916f8f56d214fafecaaed168eda9fbf3a4b2d27ae7

  • SSDEEP

    3072:sr85CH7L7XdP/9QW8qPdqck9LQAjn68xvS5hIDzEjD:k9cvohIDzEjD

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 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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51f6f2c3e7fd2a0a494df2eb0379d45674814ca188062c1a3ac1463a36ced264N.exe
    "C:\Users\Admin\AppData\Local\Temp\51f6f2c3e7fd2a0a494df2eb0379d45674814ca188062c1a3ac1463a36ced264N.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:2084
    • C:\Users\Admin\AppData\Local\Temp\3582-490\51f6f2c3e7fd2a0a494df2eb0379d45674814ca188062c1a3ac1463a36ced264N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\51f6f2c3e7fd2a0a494df2eb0379d45674814ca188062c1a3ac1463a36ced264N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3028

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\51f6f2c3e7fd2a0a494df2eb0379d45674814ca188062c1a3ac1463a36ced264N.exe

    Filesize

    104KB

    MD5

    95fb8568a4f7214da99e8c67c7a1a65b

    SHA1

    c9a6fde59e2fc82e32297628202ab64062b28206

    SHA256

    a9bd49cadd603691d1e6753a8c738b712ebd767f1a4fbfc21fefe020ddc5ef58

    SHA512

    c0947d98bac30951946ae8849a248824c7693e22dc012da6bf58c3562388828044b5c0af64a99f0b5d7a4c76d00162ff38a3c8669f65fbb7dd645795eb892cf8

  • memory/2084-4-0x0000000002180000-0x000000000219A000-memory.dmp

    Filesize

    104KB

  • memory/2084-10-0x0000000002180000-0x000000000219A000-memory.dmp

    Filesize

    104KB

  • memory/2084-88-0x0000000002180000-0x000000000219A000-memory.dmp

    Filesize

    104KB

  • memory/2084-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2084-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3028-90-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB