Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2024 22:22

General

  • Target

    58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe

  • Size

    119KB

  • MD5

    70807b1f84a13433ea65aa9d6254e741

  • SHA1

    490be2990bfbd9c65b11f8ef7b955ee83cd4aeb2

  • SHA256

    58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b

  • SHA512

    0e620e1078e2f1d9527d7bacdf6ab0171db1beeb361eaf451a0d7404dc0d1983aabad5acc4eb24e088ed4a444cbe0b7597c92707a82ef924f8ec599324a48882

  • SSDEEP

    1536:JxqjQ+P04wsmJCDOc9G87pGih7nJZdXBKUOd+1mBxT3UTH6ay9r8uyspxlH9ro4O:sr85CDOc9G87pGih7nRmBxyYB2WU7

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 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\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe
    "C:\Users\Admin\AppData\Local\Temp\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.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:2728
    • C:\Users\Admin\AppData\Local\Temp\3582-490\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe"
      2⤵
      • Executes dropped EXE
      PID:2820

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\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe

    Filesize

    79KB

    MD5

    cf475674cbbfa8b2b1a333c49eacfa2a

    SHA1

    50b5656f34a28b65a931f2fd64f213cbd4427c24

    SHA256

    43f64d1084212bc79ab02423a28216a7bc4561af0ab95a07dd905ee2be935bff

    SHA512

    7677f79b9227c09deda898599720db519b1a3832e7c60960ae3b4ac02a538d7a920ea11c81743dcaa0ac682c90b33d8a9f976c854fc48f5b789116c079158e10

  • memory/2728-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2728-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB