Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2024 21:37

General

  • Target

    0d15febb5c180e54e789850ac3917d20N.exe

  • Size

    111KB

  • MD5

    0d15febb5c180e54e789850ac3917d20

  • SHA1

    fcf34e9d606bcbe2727facc53a3619f4cb28372a

  • SHA256

    7baf2f60560b0c8b2b3f4389cfa71c2460f7b15062de1229fea6c926f6ff443b

  • SHA512

    3512b2365db96f6073950f13ad360fa4934f7bb1991608b472875d90a67a79f48719339b5d7e1c182f040ecc7aa04458a38919adddff01aaf7774942f054961d

  • SSDEEP

    3072:sr85C+hE7kEjb/vlmZ0y4YufkoTgDH5rFloPZwTOLa7eEfdkAzjkf5yBCCpcE9zO:k9+hKkOXlmZ0y4YufkoTgDH5rFloPZw2

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 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d15febb5c180e54e789850ac3917d20N.exe
    "C:\Users\Admin\AppData\Local\Temp\0d15febb5c180e54e789850ac3917d20N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0d15febb5c180e54e789850ac3917d20N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0d15febb5c180e54e789850ac3917d20N.exe"
      2⤵
      • Executes dropped EXE
      PID:2420

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\0d15febb5c180e54e789850ac3917d20N.exe

    Filesize

    71KB

    MD5

    907d440be0d6009751f1b308752a2ded

    SHA1

    5ac1c485ba32955b772a280a2fdacaf05961ffcc

    SHA256

    a664c8831c0b6deb8975a157ab9381b31e13b52e89e369dacd0d1e5c0ecaddee

    SHA512

    a34659e7aa9bb01626800177997e5d95fdeaf56801e552372d7b921da79b0e94b6bc145682c1898bc2637b999551c9f3ed29396c8c67ebbc681a79550c417de8

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1304-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1304-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB