Analysis

  • max time kernel
    125s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    18-10-2021 07:28

General

  • Target

    2BABA new file.exe

  • Size

    449KB

  • MD5

    1a403d5b4db5509524bfd552afbc96f1

  • SHA1

    39a3ca238648f4f86741d6b94a190e0379aa7307

  • SHA256

    82b5be618f705ff7761c43590eb7dc89a2387512757dcc0df9290f29801b8f41

  • SHA512

    8de7ab3405bd1160fe09affac878ec8c252853cc6904d784ab1bcb4a5a1f43263ff917727149badcff74ac60443390b66dd5fe2c6400dd2d0805f39bcf5a0099

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.algodontekstil.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Alg001453

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2BABA new file.exe
    "C:\Users\Admin\AppData\Local\Temp\2BABA new file.exe"
    1⤵
    • Windows security modification
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2BABA new file.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:564
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2BABA new file.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    MD5

    0521ce83b8dc37110befb6395108c30a

    SHA1

    6fdd71d04355edf793e8d11514abfb10f51ae8ab

    SHA256

    df3b227183340e5d30239e1729c1bc8ec8d52e94f27019d29abb0fd67a52f343

    SHA512

    0fb717bcbe7c4a3b03f0f10442cf2f7fbe1ade6a4afb99bea4cd360c27db65de487a1fe4b5e5bd64a9c4fd5a21c0a6a474a9c85988d623aa3d83d4e81b4c1858

  • memory/564-61-0x0000000000000000-mapping.dmp

  • memory/564-70-0x0000000001E82000-0x0000000001E84000-memory.dmp

    Filesize

    8KB

  • memory/564-67-0x0000000001E80000-0x0000000001E81000-memory.dmp

    Filesize

    4KB

  • memory/564-69-0x0000000001E81000-0x0000000001E82000-memory.dmp

    Filesize

    4KB

  • memory/868-68-0x00000000023F0000-0x000000000303A000-memory.dmp

    Filesize

    12.3MB

  • memory/868-62-0x0000000000000000-mapping.dmp

  • memory/868-71-0x00000000023F0000-0x000000000303A000-memory.dmp

    Filesize

    12.3MB

  • memory/1468-65-0x00000000005E0000-0x00000000005FF000-memory.dmp

    Filesize

    124KB

  • memory/1468-60-0x0000000006A60000-0x0000000006B95000-memory.dmp

    Filesize

    1.2MB

  • memory/1468-54-0x00000000008C0000-0x00000000008C1000-memory.dmp

    Filesize

    4KB

  • memory/1468-58-0x00000000005C0000-0x00000000005C1000-memory.dmp

    Filesize

    4KB

  • memory/1468-57-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

    Filesize

    4KB

  • memory/1468-56-0x00000000755A1000-0x00000000755A3000-memory.dmp

    Filesize

    8KB