Analysis

  • max time kernel
    21s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2024, 07:41

General

  • Target

    a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe

  • Size

    190KB

  • MD5

    cc5813f2a9672d02fd02ff2272995410

  • SHA1

    5b60a476c0ea29135b2192bbb9adbf93e7cbce7b

  • SHA256

    a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4

  • SHA512

    e5517d7d1f8c5fa8420f18e18c20f79d10ec6ed0284ed163b0f2e0236931a5ffb513e76da204c6cb279246915250dc6eb4af3ea05915bfeddddb22d06d3c73ea

  • SSDEEP

    3072:sr85CepgOZ9oQQ2WE+GuEbe/+cLB8DApbB8DApFEut:k9oZ9HQ2WYy8DM8DKjt

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.

  • 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 3 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe
    "C:\Users\Admin\AppData\Local\Temp\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.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:2096
    • C:\Users\Admin\AppData\Local\Temp\3582-490\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 500
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2604

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\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe

    Filesize

    149KB

    MD5

    634c83a9a30395bbe05e4a267e262cf9

    SHA1

    b4e6f4afdaafc891cfdd366241d3fdb9345592fa

    SHA256

    08aec24a5cdb8291e4ca0374c376889e69fc52ee96c2618c84a4553fc9a5ea4c

    SHA512

    a20c5413aab822a7dbe300bf1444c97335eec4303983f49accb856f8a3a400affb4b9f9afeaf52b311940ffadd56213470b88f3aa3843255d53395fdb62284bc

  • memory/2096-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2096-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2604-16-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2756-12-0x0000000073B41000-0x0000000073B42000-memory.dmp

    Filesize

    4KB

  • memory/2756-13-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-14-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-89-0x0000000073B40000-0x00000000740EB000-memory.dmp

    Filesize

    5.7MB