Analysis

  • max time kernel
    121s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:29

General

  • Target

    9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe

  • Size

    513KB

  • MD5

    85ffc86df081fdc9c5d56546ec1303d9

  • SHA1

    890a52b1d59768fb66b563b3534650505d24c0c5

  • SHA256

    9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885

  • SHA512

    fa8dc635b1a745ef5db5debd424b08b287d16726c84d8e27885465da7689b73aa2dfc221747bda2083a989072f3bbda9694a932e3619819ec3cf0f051f5b3ebb

Malware Config

Signatures

  • Detect Neshta Payload 2 IoCs
  • 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.

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Sodinokibi/Revil sample 7 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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.

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe
    "C:\Users\Admin\AppData\Local\Temp\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.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:724
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 36
        3⤵
        • Loads dropped DLL
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1624

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe

    MD5

    649ff497debe579e8d2717c7e6127bce

    SHA1

    009434c92402b7e1abdf5622cdd9507ba5c1a01f

    SHA256

    dd15f8cf54916066e76cb48b73cc20af566e16833648328dfff4605a5c49da99

    SHA512

    5958f8c8e3521ae52d2bfba55092b738576bf5b38e428949169e7fcecf4286b9c04240b77b226d74e5132675b21dd3e301930d6ca5ce770e634795d132ddeabc

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe

    MD5

    649ff497debe579e8d2717c7e6127bce

    SHA1

    009434c92402b7e1abdf5622cdd9507ba5c1a01f

    SHA256

    dd15f8cf54916066e76cb48b73cc20af566e16833648328dfff4605a5c49da99

    SHA512

    5958f8c8e3521ae52d2bfba55092b738576bf5b38e428949169e7fcecf4286b9c04240b77b226d74e5132675b21dd3e301930d6ca5ce770e634795d132ddeabc

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe

    MD5

    649ff497debe579e8d2717c7e6127bce

    SHA1

    009434c92402b7e1abdf5622cdd9507ba5c1a01f

    SHA256

    dd15f8cf54916066e76cb48b73cc20af566e16833648328dfff4605a5c49da99

    SHA512

    5958f8c8e3521ae52d2bfba55092b738576bf5b38e428949169e7fcecf4286b9c04240b77b226d74e5132675b21dd3e301930d6ca5ce770e634795d132ddeabc

  • \Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe

    MD5

    649ff497debe579e8d2717c7e6127bce

    SHA1

    009434c92402b7e1abdf5622cdd9507ba5c1a01f

    SHA256

    dd15f8cf54916066e76cb48b73cc20af566e16833648328dfff4605a5c49da99

    SHA512

    5958f8c8e3521ae52d2bfba55092b738576bf5b38e428949169e7fcecf4286b9c04240b77b226d74e5132675b21dd3e301930d6ca5ce770e634795d132ddeabc

  • \Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe

    MD5

    649ff497debe579e8d2717c7e6127bce

    SHA1

    009434c92402b7e1abdf5622cdd9507ba5c1a01f

    SHA256

    dd15f8cf54916066e76cb48b73cc20af566e16833648328dfff4605a5c49da99

    SHA512

    5958f8c8e3521ae52d2bfba55092b738576bf5b38e428949169e7fcecf4286b9c04240b77b226d74e5132675b21dd3e301930d6ca5ce770e634795d132ddeabc

  • \Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe

    MD5

    649ff497debe579e8d2717c7e6127bce

    SHA1

    009434c92402b7e1abdf5622cdd9507ba5c1a01f

    SHA256

    dd15f8cf54916066e76cb48b73cc20af566e16833648328dfff4605a5c49da99

    SHA512

    5958f8c8e3521ae52d2bfba55092b738576bf5b38e428949169e7fcecf4286b9c04240b77b226d74e5132675b21dd3e301930d6ca5ce770e634795d132ddeabc

  • \Users\Admin\AppData\Local\Temp\3582-490\9be084ce0587d50c894f337439b0f93c42da949bb1aa7d98e1f86f9df37d8885.exe

    MD5

    649ff497debe579e8d2717c7e6127bce

    SHA1

    009434c92402b7e1abdf5622cdd9507ba5c1a01f

    SHA256

    dd15f8cf54916066e76cb48b73cc20af566e16833648328dfff4605a5c49da99

    SHA512

    5958f8c8e3521ae52d2bfba55092b738576bf5b38e428949169e7fcecf4286b9c04240b77b226d74e5132675b21dd3e301930d6ca5ce770e634795d132ddeabc

  • memory/724-54-0x0000000000880000-0x00000000008B6000-memory.dmp

    Filesize

    216KB

  • memory/724-56-0x0000000000220000-0x000000000022C000-memory.dmp

    Filesize

    48KB

  • memory/724-63-0x0000000000400000-0x0000000000789000-memory.dmp

    Filesize

    3.5MB

  • memory/724-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

    Filesize

    8KB

  • memory/1624-66-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB