Analysis

  • max time kernel
    191s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 17:58

General

  • Target

    24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a.exe

  • Size

    749KB

  • MD5

    6a7fab22c8c4bf0e222c5f38f1634be0

  • SHA1

    68692643b0509fbcec815a73862f1a621bb3e820

  • SHA256

    24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a

  • SHA512

    3ccd6d7e2dd04e7d3e114f9a805616266a9e380ddf2174d7c3c6ac9ff47560cac8e63c8cfbd3dd6efd8f9a62af65c135cb536dd94c8e8ed6b2a509d544bf502b

  • SSDEEP

    12288:5bekMtkfohrPUs37uzHnA6zg5cIsalHERjUrNN/RQ9wgUT5aDEx9JPRO:5bekYkfohrP337uzHnA6cHswHE/6gUTO

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 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
  • 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a.exe
    "C:\Users\Admin\AppData\Local\Temp\24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\3582-490\24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a.exe"
      2⤵
      • Executes dropped EXE
      PID:1228

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a.exe

          Filesize

          708KB

          MD5

          74195b9794ee9892d5a729d2b6f11219

          SHA1

          c02ddfc67b01418aaf71de82d89cc0b544d27353

          SHA256

          29bc6126478c4c18a3fcc762af5cd22f3ca784c08c279f6ede8835b3169561f9

          SHA512

          2d0e8e35e7604826a5063cbd7c0902a3883cf3730ddd782ae293306a629d1d64ff95202a4d85312aee8a71ee4211ae0acd41aa6922e885fe4361b7ae9a0c4669

        • C:\Users\Admin\AppData\Local\Temp\3582-490\24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a.exe

          Filesize

          708KB

          MD5

          74195b9794ee9892d5a729d2b6f11219

          SHA1

          c02ddfc67b01418aaf71de82d89cc0b544d27353

          SHA256

          29bc6126478c4c18a3fcc762af5cd22f3ca784c08c279f6ede8835b3169561f9

          SHA512

          2d0e8e35e7604826a5063cbd7c0902a3883cf3730ddd782ae293306a629d1d64ff95202a4d85312aee8a71ee4211ae0acd41aa6922e885fe4361b7ae9a0c4669

        • \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\24891e27283e2807aa47521db8670de3485278b1440362ae0052ecb4e714318a.exe

          Filesize

          708KB

          MD5

          74195b9794ee9892d5a729d2b6f11219

          SHA1

          c02ddfc67b01418aaf71de82d89cc0b544d27353

          SHA256

          29bc6126478c4c18a3fcc762af5cd22f3ca784c08c279f6ede8835b3169561f9

          SHA512

          2d0e8e35e7604826a5063cbd7c0902a3883cf3730ddd782ae293306a629d1d64ff95202a4d85312aee8a71ee4211ae0acd41aa6922e885fe4361b7ae9a0c4669

        • memory/1192-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

          Filesize

          8KB