Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 02:02

General

  • Target

    aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe

  • Size

    1.0MB

  • MD5

    63cdaefd6c2747413b7c141ae2122220

  • SHA1

    e5b9c8b9ac007c45586857b07e9f8d925781b4e0

  • SHA256

    aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964

  • SHA512

    3a4dd0f19a307f9bbab60194ed9ec8e129f6029b6e84ced919ea1608255946739eee11c7a23f10d18083e80610a0b880b9b95af9a4b4b4e56a4e44d78f781b3a

  • SSDEEP

    12288:Xagb4Ct/piAUQd0v6z/9CJmgXUGCqYXK8lEihAx0jel5+nRobwLVDC:Kgbvt5UQdjz/9C1QKWDAqNVDC

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\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe
    "C:\Users\Admin\AppData\Local\Temp\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.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:2912
    • C:\Users\Admin\AppData\Local\Temp\3582-490\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe"
      2⤵
      • Executes dropped EXE
      PID:2564

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\aea3e03d13908f4970f61c37fe663177b405d5dca5a694d9f62aba0b4f7ce964.exe

    Filesize

    1.0MB

    MD5

    906106454e8035c35c3d3a87d293e170

    SHA1

    3d355a8a175b88839187ced8688bdccb78552c74

    SHA256

    300a53a456ad6e0d7c853b89618c1b6f3333327e1bdfb039b18f30f836fe45f8

    SHA512

    371a167ace8e75e202dd13f6e069576afffabb31cb45088a98a4186fd630654998fb87957ec1726b86a549bda9b92150b574d455788770fa7bdc929921106d8f

  • memory/2912-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2912-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB