Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 21:52

General

  • Target

    KWSuitev2.1.exe

  • Size

    1.9MB

  • MD5

    179ceae64423ec7003eb2b306b3c2171

  • SHA1

    7834ab73198780fbaf9c241914d8b9f7e0649184

  • SHA256

    326614198b1dd3ac322524f6a9eae6d77404f07fe4f455b45b5a0aea71bf860d

  • SHA512

    c09ce509654acb4f7a8df99551d1136ceffacb222fef1310eca676454c93756931f7e0b0d2c4d31349f76cecc62263076d8285f627dc416f9564e72a6f67c104

  • SSDEEP

    24576:Y2GHWoMmgHdn4MM+/OCMX+KYb06W7NS9G3yXE7SJ7BDRxpuscCTNobseacb9N/9h:Y3H9aHV9viF7NLyXE7SIsXxcz9Th

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 8 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KWSuitev2.1.exe
    "C:\Users\Admin\AppData\Local\Temp\KWSuitev2.1.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:2224
    • C:\Users\Admin\AppData\Local\Temp\3582-490\KWSuitev2.1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\KWSuitev2.1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2716

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\KWSuitev2.1.exe

    Filesize

    1.8MB

    MD5

    b215d7d984863693cd30d6e0c9310802

    SHA1

    3d7bbe022796afa34cf212dca9ae28e60301786f

    SHA256

    02c043c7b22cf0a298f4ba1a6ae6575ed2de506c3c881b4219d82af15317ba79

    SHA512

    b3fa8b688877ec19a7e0cf4b422582d11f7fde85482a4d2b5ce62d66ec959f08fa2bb0819ca53f8eee20d1951e3599746183275fb4b6d0c37af5ba2994afd56d

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2224-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2224-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2716-13-0x0000000001250000-0x0000000001434000-memory.dmp

    Filesize

    1.9MB

  • memory/2716-14-0x0000000004D70000-0x0000000004E94000-memory.dmp

    Filesize

    1.1MB

  • memory/2716-22-0x0000000005160000-0x0000000005374000-memory.dmp

    Filesize

    2.1MB

  • memory/2716-89-0x00000000062D0000-0x0000000006382000-memory.dmp

    Filesize

    712KB

  • memory/2716-90-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/2716-15-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-92-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-12-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB