Analysis

  • max time kernel
    19s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2024 19:20

General

  • Target

    d37f15ce5db2e3220c961ff7e4727e5a14c9424495923b951f3e6d9d07a269fe.exe

  • Size

    502KB

  • MD5

    193cde6a70130720b731592205a8ddf2

  • SHA1

    045cfb294e051db002a4e0c43f2cf0ce28185788

  • SHA256

    d37f15ce5db2e3220c961ff7e4727e5a14c9424495923b951f3e6d9d07a269fe

  • SHA512

    332ebc81adf3d603eeb3bab19db8538ba9b98ec73c9c6530b88b72259eefd5297b73ebad0178e4800a2287b15d02f1f1f7fc46ba4bd66d3ca9f18fb8d0666cac

  • SSDEEP

    6144:k9FHWt4PjGLWTHVKYGUKfSegCymnzWWlBTgbhLEHPnjZ4pjSFC+T5moWLJg3Pfc7:B4KgsYGUKfSOymnzHg6moWLJAdGyZbOz

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\d37f15ce5db2e3220c961ff7e4727e5a14c9424495923b951f3e6d9d07a269fe.exe
    "C:\Users\Admin\AppData\Local\Temp\d37f15ce5db2e3220c961ff7e4727e5a14c9424495923b951f3e6d9d07a269fe.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:3012
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d37f15ce5db2e3220c961ff7e4727e5a14c9424495923b951f3e6d9d07a269fe.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d37f15ce5db2e3220c961ff7e4727e5a14c9424495923b951f3e6d9d07a269fe.exe"
      2⤵
      • Executes dropped EXE
      PID:1036

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\d37f15ce5db2e3220c961ff7e4727e5a14c9424495923b951f3e6d9d07a269fe.exe

    Filesize

    462KB

    MD5

    c9e96039ea4460391434d28f02d587da

    SHA1

    5435e28e604862cec8e808ee0cc94a1c0063cbed

    SHA256

    98af969d8d720a31773da2b571107006ecc1f7baec2b26e409833b0f0cfe9078

    SHA512

    6991839993db6884951558e28161fa09be7bb5bac1059834bed6b0a76f71fd0fc18031258015832494d34a6b70a1c8bdd343043a4f87113e32c92e2a11cd4fd4

  • memory/3012-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3012-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB