Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 23:31

General

  • Target

    6d268a41bdca8bf9a74f0fd2f7363b4c2d074fee7cf0dfc6cc369f0aecbc699f.exe

  • Size

    237KB

  • MD5

    c68352ca2ce7189c41588195289ff7c9

  • SHA1

    0fbd745aa4d873b5c398746c7b855eecceb91eb9

  • SHA256

    6d268a41bdca8bf9a74f0fd2f7363b4c2d074fee7cf0dfc6cc369f0aecbc699f

  • SHA512

    fbdf0bf4f20cbd2e4f5731396614c4927fc9006e9d64e7ff541dbf266a19af477c4d59b984203dd72722e63612e2efd1591a90206a7e6bf0dca5cef518328695

  • SSDEEP

    6144:k9ypxof8GYJZyYhGXSNUH75/duFFn8TD3Y8:Npxo0HJ1hGX8675/YFFn8TD3Y8

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\6d268a41bdca8bf9a74f0fd2f7363b4c2d074fee7cf0dfc6cc369f0aecbc699f.exe
    "C:\Users\Admin\AppData\Local\Temp\6d268a41bdca8bf9a74f0fd2f7363b4c2d074fee7cf0dfc6cc369f0aecbc699f.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:2828
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6d268a41bdca8bf9a74f0fd2f7363b4c2d074fee7cf0dfc6cc369f0aecbc699f.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6d268a41bdca8bf9a74f0fd2f7363b4c2d074fee7cf0dfc6cc369f0aecbc699f.exe"
      2⤵
      • Executes dropped EXE
      PID:2792

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\6d268a41bdca8bf9a74f0fd2f7363b4c2d074fee7cf0dfc6cc369f0aecbc699f.exe

    Filesize

    197KB

    MD5

    e62d664023e269e63f0111b5968b6a50

    SHA1

    2cd44eb73e17bfecdb86723cc8283f10676d7d90

    SHA256

    db1720ee7eebc590a41e8438b7410a7c0600c1e7f40ef625640b766237cadac2

    SHA512

    bf161367c54964c87985d42b077be2b8b976ecd9e8687f57a6b2adeb7fda1d5ac8a33d18e3b963bfe01a004371ec8223727289aa0e03c08f1d7392710c8458e3

  • memory/2828-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB