Analysis

  • max time kernel
    33s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2024 19:16

General

  • Target

    c6d4b5c351466ee7aecdb94bba2ca29db6f299ddf803acc22a105c6130357819.exe

  • Size

    429KB

  • MD5

    ae48299317321b7f9adca58722b0757e

  • SHA1

    dabe3e91af58e2854fb00963cb4062f1f47fd020

  • SHA256

    c6d4b5c351466ee7aecdb94bba2ca29db6f299ddf803acc22a105c6130357819

  • SHA512

    0997eb44889d5a2b14255415924d8395fe8fa4f8cb8d5ad6d9d54abb66106a77ade55d7d5d93c2bc70053b842fae798e1609dd58eb817013620f56a6d087aa91

  • SSDEEP

    3072:sr85CA1uvElZbiP3rL2F+jPNTY1dPoa/zl3/GgDqETc:k9AAvtPbLW+bNTCdf/RTqN

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\c6d4b5c351466ee7aecdb94bba2ca29db6f299ddf803acc22a105c6130357819.exe
    "C:\Users\Admin\AppData\Local\Temp\c6d4b5c351466ee7aecdb94bba2ca29db6f299ddf803acc22a105c6130357819.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:2632
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c6d4b5c351466ee7aecdb94bba2ca29db6f299ddf803acc22a105c6130357819.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c6d4b5c351466ee7aecdb94bba2ca29db6f299ddf803acc22a105c6130357819.exe"
      2⤵
      • Executes dropped EXE
      PID:2752

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\c6d4b5c351466ee7aecdb94bba2ca29db6f299ddf803acc22a105c6130357819.exe

    Filesize

    388KB

    MD5

    656fd3076a681f9fda86cd9946a3bed1

    SHA1

    88cfe2dcf7e0dbec52fee32d66cb3c44d68f0bf5

    SHA256

    81b327934acc7dd229e80e6652a6b7cfdb2b0e4840657919af8bb437a15d26ea

    SHA512

    a78fbbbb4a773f6f0de495ec679a12fb986839bbf438f2009218c80e5a52d90029cbcb85388bb581c9c9497d7cb1f16aaa0c32ad09589a4e8cc884fe4038e672

  • memory/2632-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2632-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2752-54-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

    Filesize

    9.9MB

  • memory/2752-48-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/2752-47-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/2752-44-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

    Filesize

    9.9MB

  • memory/2752-89-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp

    Filesize

    4KB

  • memory/2752-90-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

    Filesize

    9.9MB

  • memory/2752-91-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/2752-92-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/2752-12-0x0000000001070000-0x00000000010D6000-memory.dmp

    Filesize

    408KB

  • memory/2752-94-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

    Filesize

    9.9MB

  • memory/2752-11-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp

    Filesize

    4KB