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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/04/2024, 17:25

General

  • Target

    72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe

  • Size

    116KB

  • MD5

    5fc7f95284c4f28f2d73fd86ade14d71

  • SHA1

    33ed0e7ac6a7e0a3eb496b614e5ae72f13a4cd1d

  • SHA256

    72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4

  • SHA512

    4ba0b183a6e8a275c29781837db6bd50ea6c9f04bb30af024b872d96f8a01c5226a98ac2f27313d1f5fbb07bba82007c74445b9845209bc8e8defa6a1ac9d228

  • SSDEEP

    1536:JxqjQ+P04wsmJCbKTpGWzFPPvUFU77Q95fIDAXzVl7xnzBwCURPMbCIuwBWWG2F+:sr85CGzFPPninxzBYR09WwDS

Malware Config

Signatures

  • Detect Neshta payload 2 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 2 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\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe
    "C:\Users\Admin\AppData\Local\Temp\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.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:2120
    • C:\Users\Admin\AppData\Local\Temp\3582-490\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe"
      2⤵
      • Executes dropped EXE
      PID:1724

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\72d408c13906f8ef15a849e9fd26fcd60ea11e175adfe436d2d4e6a1aef169d4.exe

    Filesize

    76KB

    MD5

    5cae157c3e1397b30c98e33351b50056

    SHA1

    5e89e4cc775db22d5d55f97680e296b46c2c8663

    SHA256

    b40d309425326ca6a2b33cfce1f74d36f405156267beedf1ed15d12e54725085

    SHA512

    b26758ec00e585cd9679577bc3c376fd2917125f9acba0193256e6fd2cff1e5b234bb5807abe4db2557303edd6bdfd346e4f7fd1c07500a350b974175fd87237

  • memory/2120-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB