Analysis

  • max time kernel
    1s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 09:41

General

  • Target

    5037890c4d6459c185e9675ff5259cf67d39a87bda7492f60c5dfbcaed58ea74.exe

  • Size

    2.0MB

  • MD5

    e99a4b8785cb1e709193f84e6ef606c7

  • SHA1

    7a248ec87120b9dfe12a8d23b809f5fca77a496b

  • SHA256

    5037890c4d6459c185e9675ff5259cf67d39a87bda7492f60c5dfbcaed58ea74

  • SHA512

    e9f0cadb44d0d78711ee585eada28c78b5295249fd26551bf3c42a5a01cdc67135be6f66ffeaad8e8767b0d6f3916c980bfcbe18a017490fa1959c5d81ed4ea6

  • SSDEEP

    49152:eicBo+50ygzfqiV7HuAQgmrZAfFj55FRcAEaJC:eicixygbXJHupgmrmfFj55FR6L

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
  • Loads dropped DLL 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\5037890c4d6459c185e9675ff5259cf67d39a87bda7492f60c5dfbcaed58ea74.exe
    "C:\Users\Admin\AppData\Local\Temp\5037890c4d6459c185e9675ff5259cf67d39a87bda7492f60c5dfbcaed58ea74.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
    PID:1596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    17afb2d4c3ec65d4ee6d1897659a2345

    SHA1

    cdbfd4ecb18514b6874963b82806cc5f09b82482

    SHA256

    bbd26f3e2aea175761216559287331b83c3db85d4438c416b34c8cc6aa981f47

    SHA512

    29f0d34da03800899e2c5cbfe890406af6fe99774c390d1fb5f08866a1226c71be85aad62045f5eb84bba2716e9afe4f52cf610e17b86adece6312e845b8d12b

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1596-80-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1596-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

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