Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14-12-2024 12:24

General

  • Target

    a9971d2f3b8c1611723938a3ea6578c27f31049d3297e607cf0ee6927a4a26c7.exe

  • Size

    328KB

  • MD5

    2cca969570717a0af4f2531eb69cc7c9

  • SHA1

    692243584cca03a41bab00ae6113e6e7a3d14863

  • SHA256

    a9971d2f3b8c1611723938a3ea6578c27f31049d3297e607cf0ee6927a4a26c7

  • SHA512

    3a2257abdadb2ef34a8171a3c3965b8e6bba955dcda0ca837a635736da0f17795e71ff93d8f4421a51ac9778d10dce1f3c28a62149d05ccf07ae75934fff5670

  • SSDEEP

    6144:k9Qc2liXmrLxcdRDLiH1vVRGVOhMp421/7YQxhWK87:BcvgLARDI1KIOzOl

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 2 IoCs
  • Loads dropped DLL 10 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 7 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9971d2f3b8c1611723938a3ea6578c27f31049d3297e607cf0ee6927a4a26c7.exe
    "C:\Users\Admin\AppData\Local\Temp\a9971d2f3b8c1611723938a3ea6578c27f31049d3297e607cf0ee6927a4a26c7.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:2224
    • C:\Users\Admin\AppData\Local\Temp\3582-490\a9971d2f3b8c1611723938a3ea6578c27f31049d3297e607cf0ee6927a4a26c7.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\a9971d2f3b8c1611723938a3ea6578c27f31049d3297e607cf0ee6927a4a26c7.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3068

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\a9971d2f3b8c1611723938a3ea6578c27f31049d3297e607cf0ee6927a4a26c7.exe

    Filesize

    288KB

    MD5

    2cbd6ad183914a0c554f0739069e77d7

    SHA1

    7bf35f2afca666078db35ca95130beb2e3782212

    SHA256

    2cf71d098c608c56e07f4655855a886c3102553f648df88458df616b26fd612f

    SHA512

    ff1af2d2a883865f2412dddcd68006d1907a719fe833319c833f897c93ee750bac494c0991170dc1cf726b3f0406707daa361d06568cd610eeb4ed1d9c0fbb10

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup32.dll

    Filesize

    1.5MB

    MD5

    a5412a144f63d639b47fcc1ba68cb029

    SHA1

    81bd5f1c99b22c0266f3f59959dfb4ea023be47e

    SHA256

    8a011da043a4b81e2b3d41a332e0ff23a65d546bd7636e8bc74885e8746927d6

    SHA512

    2679a4cb690e8d709cb5e57b59315d22f69f91efa6c4ee841943751c882b0c0457fd4a3376ac3832c757c6dfaffb7d844909c5665b86a95339af586097ee0405

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.inf

    Filesize

    477B

    MD5

    ad8982eaa02c7ad4d7cdcbc248caa941

    SHA1

    4ccd8e038d73a5361d754c7598ed238fc040d16b

    SHA256

    d63c35e9b43eb0f28ffc28f61c9c9a306da9c9de3386770a7eb19faa44dbfc00

    SHA512

    5c805d78bafff06c36b5df6286709ddf2d36808280f92e62dc4c285edd9176195a764d5cf0bb000da53ca8bbf66ddd61d852e4259e3113f6529e2d7bdbdd6e28

  • C:\Windows\SysWOW64\directx\websetup\dsetup.dll

    Filesize

    93KB

    MD5

    984cad22fa542a08c5d22941b888d8dc

    SHA1

    3e3522e7f3af329f2235b0f0850d664d5377b3cd

    SHA256

    57bc22850bb8e0bcc511a9b54cd3da18eec61f3088940c07d63b9b74e7fe2308

    SHA512

    8ef171218b331f0591a4b2a5e68dcbae98f5891518ce877f1d8d1769c59c0f4ddae43cc43da6606975078f889c832f0666484db9e047782e7a0ae4a2d41f5bef

  • \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\IXP000.TMP\dxwsetup.exe

    Filesize

    515KB

    MD5

    ac3a5f7be8cd13a863b50ab5fe00b71c

    SHA1

    eee417cd92e263b84dd3b5dcc2b4b463fe6e84d9

    SHA256

    8f5e89298e3dc2e22d47515900c37cca4ee121c5ba06a6d962d40ad6e1a595da

    SHA512

    c8bbe791373dad681f0ac9f5ab538119bde685d4f901f5db085c73163fc2e868972b2de60e72ccd44f745f1fd88fcde2e27f32302d8cbd3c1f43e6e657c79fba

  • memory/2224-153-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2224-155-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB