Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 13:34

General

  • Target

    0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe

  • Size

    2.2MB

  • MD5

    5cb187699d16be88ca14f257144b5140

  • SHA1

    a78b2322b259a2792328aca56f1714135db9c129

  • SHA256

    0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7

  • SHA512

    b53a9358e13ef478b77b1724c552763eca01e32b7bc958ca60e2819dc49069283e222ad2004813bbc811e00c7046b907c786c27bbf30c61d42aced83c9d1c064

  • SSDEEP

    49152:SFiLDnQA/q4qCW88jJthshzyuTFbEZgNvjyjI/3K:SUQASvCWZtsgupEZghjyjIi

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.

  • 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe
    "C:\Users\Admin\AppData\Local\Temp\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.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:316
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2128

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\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe

    Filesize

    2.2MB

    MD5

    0659db167514227c61919b6a805f32c4

    SHA1

    5ffdf30ef053d7e164b913b451864ea78e0e418d

    SHA256

    dc6b5dde3146d43c64bf64271950b8e55b6f35daee1bf673d2dded08bc681c8c

    SHA512

    e08f3014dacd2c6e35c0ebfa2f331b208cff6d6afe40d3d70e1e45cd5e302d8c5e529db97b29ea6ff79a4138320cdb83bbddd103f156ad5b363b9d44d7021acf

  • memory/316-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/316-102-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2128-100-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB