Analysis

  • max time kernel
    65s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 13:31

General

  • Target

    e66afb0ae3c92d6c02de6fda1b9f31bcaa78bca32bd35619d5edb67d722f6ec4N.exe

  • Size

    929KB

  • MD5

    46109966a6005dc3ff766ace1d1a2d60

  • SHA1

    54a38ecd3372ee05ce077641de098bb54b1072da

  • SHA256

    e66afb0ae3c92d6c02de6fda1b9f31bcaa78bca32bd35619d5edb67d722f6ec4

  • SHA512

    1d0a79e71a7955abe76630ad5387a4d391edaa04021a017b9ffde7c8052827379ce5aa5a3b874e984878a9b0a40cb8332b87a9153da7ca63d7eb7e464e4903e0

  • SSDEEP

    24576:CUCLQFmCtu9S+A01Z5ngNCJWGOa6Mp12XV/ZmT9JFvh89muQL:v0h12XrmRJssL

Malware Config

Signatures

  • Detect Neshta payload 6 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 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\e66afb0ae3c92d6c02de6fda1b9f31bcaa78bca32bd35619d5edb67d722f6ec4N.exe
    "C:\Users\Admin\AppData\Local\Temp\e66afb0ae3c92d6c02de6fda1b9f31bcaa78bca32bd35619d5edb67d722f6ec4N.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:2476
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e66afb0ae3c92d6c02de6fda1b9f31bcaa78bca32bd35619d5edb67d722f6ec4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e66afb0ae3c92d6c02de6fda1b9f31bcaa78bca32bd35619d5edb67d722f6ec4N.exe"
      2⤵
      • Executes dropped EXE
      PID:2904

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\e66afb0ae3c92d6c02de6fda1b9f31bcaa78bca32bd35619d5edb67d722f6ec4N.exe

    Filesize

    889KB

    MD5

    48be10c32fe38dc8f627de6df89747e8

    SHA1

    74d30315166beaf506e712d10e5f06723ebed870

    SHA256

    83b0f1c57be45fdc74d0850df2186d9d11ab98f9df13384e52a027cf4d5d4c05

    SHA512

    9ecaae288a2e2ab0781a977cc9b480c06a5c4f5a6e97d24d12f8432f3ba0ad6f5d2379352d71a575a9cf31a19014516957458222dda5d1ed765aaa70e7d8d4fc

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2476-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2476-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB