Analysis

  • max time kernel
    39s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 09:18

General

  • Target

    2c4bc83403c7de57d8d0da00fa55d73f8f19c521a0a7245be15172098b094cd0N.exe

  • Size

    240KB

  • MD5

    fc7a51c4ac8d7cb81a833b90a699c3f0

  • SHA1

    266323b6fad483b8bda8348e225a4f8c899cf996

  • SHA256

    2c4bc83403c7de57d8d0da00fa55d73f8f19c521a0a7245be15172098b094cd0

  • SHA512

    2ab2294bc444a684bc41fa9d2317a1ac164ffc506230e34d9cb9b1ef0b1cfdb9cc33870911043a8aa69dc3dcc35ec1d71de2e3dab917abd25dd8bdcecf370024

  • SSDEEP

    3072:sr85CwzK8Ezz4MBIvQAkb0gVPrmeo90o8sr8QCJIg43a/LVdJyh:k9wjEzzrBIO08QxgVdC

Malware Config

Signatures

  • Detect Neshta payload 5 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 5 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 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c4bc83403c7de57d8d0da00fa55d73f8f19c521a0a7245be15172098b094cd0N.exe
    "C:\Users\Admin\AppData\Local\Temp\2c4bc83403c7de57d8d0da00fa55d73f8f19c521a0a7245be15172098b094cd0N.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:2524
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2c4bc83403c7de57d8d0da00fa55d73f8f19c521a0a7245be15172098b094cd0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2c4bc83403c7de57d8d0da00fa55d73f8f19c521a0a7245be15172098b094cd0N.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\2c4bc83403c7de57d8d0da00fa55d73f8f19c521a0a7245be15172098b094cd0N.exe

    Filesize

    200KB

    MD5

    0f05b8d33330c2eb5fd850d1c9b0b567

    SHA1

    5324c96bed58fe1446c049b4ca4f47a0ad8e949c

    SHA256

    23aaf740c22e89f7f40064db0caa6812bb09602258d318fbf003f3c65029297f

    SHA512

    b8e6cba1ac3960c9e8ac2b10ec3eb9ec1062f8357532e0768d81e31c14a393210af92411cb7cddc8c883de1904b106bbaab352a78b7c1388b9cdd1c05f6eb7c0

  • memory/2524-4-0x00000000024B0000-0x00000000024E6000-memory.dmp

    Filesize

    216KB

  • memory/2524-92-0x00000000024B0000-0x00000000024E6000-memory.dmp

    Filesize

    216KB

  • memory/2524-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2524-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2524-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2524-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2568-9-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2568-18-0x00000000003A0000-0x00000000003D6000-memory.dmp

    Filesize

    216KB

  • memory/2568-17-0x00000000003A0000-0x00000000003D6000-memory.dmp

    Filesize

    216KB

  • memory/2568-50-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB