Analysis

  • max time kernel
    145s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    06-07-2022 16:48

General

  • Target

    SecuriteInfo.com.W32.AIDetectNet.01.14971.exe

  • Size

    517KB

  • MD5

    dd1c8fbeb5ccb5431ce8c6111a3dac1a

  • SHA1

    995027f1597164742533cc899095ebaa8b8b407d

  • SHA256

    15b8325df5457903aa6a8f86ddd64b7ea2fca232231e2e63044a1a0f9cc3f73b

  • SHA512

    27f22c5805909f57c96cd669d0469449215417ae099e57e3341271e05a654bbd904307f680b7af527f00f56d426f3f5ac716869dbb793b222e6bb2e89ed112e3

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 9 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • 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 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.14971.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.14971.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1972
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Users\Admin\AppData\Local\Temp\EGGM.EXE
        "C:\Users\Admin\AppData\Local\Temp\EGGM.EXE"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1316
      • C:\Users\Admin\AppData\Local\Temp\SERVER.EXE
        "C:\Users\Admin\AppData\Local\Temp\SERVER.EXE"
        3⤵
        • UAC bypass
        • Windows security bypass
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • Checks whether UAC is enabled
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1192
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          C:\Users\Admin\AppData\Local\Temp\SERVER.EXE
          4⤵
            PID:1968
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            C:\Users\Admin\AppData\Local\Temp\SERVER.EXE
            4⤵
            • Adds policy Run key to start application
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1960

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    2
    T1060

    Privilege Escalation

    Bypass User Account Control

    1
    T1088

    Defense Evasion

    Bypass User Account Control

    1
    T1088

    Disabling Security Tools

    3
    T1089

    Modify Registry

    6
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\EGGM.EXE
      Filesize

      126KB

      MD5

      350dfc66657d2d9b2231bf8bfe33497b

      SHA1

      0fb28b28c416d21f1db2d54355e89fa8ec3e3324

      SHA256

      a2bb808321745ce0239b5a84c78a801644d903ce8a6ab87193337aaf2d01fc31

      SHA512

      635132ff935ea13048839d2c535d5abbae53c77d332df7c7628dbbb5db94ffc3b5be7820bb116da94433d6c814b5b4b6811bcc32b22cae3adffb086664e010e5

    • C:\Users\Admin\AppData\Local\Temp\EGGM.EXE
      Filesize

      126KB

      MD5

      350dfc66657d2d9b2231bf8bfe33497b

      SHA1

      0fb28b28c416d21f1db2d54355e89fa8ec3e3324

      SHA256

      a2bb808321745ce0239b5a84c78a801644d903ce8a6ab87193337aaf2d01fc31

      SHA512

      635132ff935ea13048839d2c535d5abbae53c77d332df7c7628dbbb5db94ffc3b5be7820bb116da94433d6c814b5b4b6811bcc32b22cae3adffb086664e010e5

    • C:\Users\Admin\AppData\Local\Temp\SERVER.EXE
      Filesize

      172KB

      MD5

      81912e3dd162ce7c96114a84d0d58b29

      SHA1

      2def8b1c48c9e550f57c9dab915c5232a7113d57

      SHA256

      f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

      SHA512

      893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

    • C:\Users\Admin\AppData\Local\Temp\SERVER.EXE
      Filesize

      172KB

      MD5

      81912e3dd162ce7c96114a84d0d58b29

      SHA1

      2def8b1c48c9e550f57c9dab915c5232a7113d57

      SHA256

      f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

      SHA512

      893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

    • \Users\Admin\AppData\Local\Temp\EGGM.EXE
      Filesize

      126KB

      MD5

      350dfc66657d2d9b2231bf8bfe33497b

      SHA1

      0fb28b28c416d21f1db2d54355e89fa8ec3e3324

      SHA256

      a2bb808321745ce0239b5a84c78a801644d903ce8a6ab87193337aaf2d01fc31

      SHA512

      635132ff935ea13048839d2c535d5abbae53c77d332df7c7628dbbb5db94ffc3b5be7820bb116da94433d6c814b5b4b6811bcc32b22cae3adffb086664e010e5

    • \Users\Admin\AppData\Local\Temp\SERVER.EXE
      Filesize

      172KB

      MD5

      81912e3dd162ce7c96114a84d0d58b29

      SHA1

      2def8b1c48c9e550f57c9dab915c5232a7113d57

      SHA256

      f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

      SHA512

      893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

    • \Users\Admin\AppData\Local\Temp\SERVER.EXE
      Filesize

      172KB

      MD5

      81912e3dd162ce7c96114a84d0d58b29

      SHA1

      2def8b1c48c9e550f57c9dab915c5232a7113d57

      SHA256

      f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

      SHA512

      893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

    • \Users\Admin\AppData\Local\Temp\SERVER.EXE
      Filesize

      172KB

      MD5

      81912e3dd162ce7c96114a84d0d58b29

      SHA1

      2def8b1c48c9e550f57c9dab915c5232a7113d57

      SHA256

      f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

      SHA512

      893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

    • \Users\Admin\AppData\Local\Temp\SERVER.EXE
      Filesize

      172KB

      MD5

      81912e3dd162ce7c96114a84d0d58b29

      SHA1

      2def8b1c48c9e550f57c9dab915c5232a7113d57

      SHA256

      f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0

      SHA512

      893b3c4483d0a307cad24c73fce27bc4e02438439fc5b07d596146bdb92767e53e60642ff6264ce80891b10c0a7f2a3f5b397560a47ee6e1244d6e5e9a80f341

    • memory/1040-54-0x0000000001140000-0x00000000011C6000-memory.dmp
      Filesize

      536KB

    • memory/1040-58-0x0000000001040000-0x000000000108C000-memory.dmp
      Filesize

      304KB

    • memory/1040-57-0x0000000000AD0000-0x0000000000B30000-memory.dmp
      Filesize

      384KB

    • memory/1040-56-0x0000000076811000-0x0000000076813000-memory.dmp
      Filesize

      8KB

    • memory/1040-55-0x0000000000CF0000-0x0000000000D8C000-memory.dmp
      Filesize

      624KB

    • memory/1192-85-0x0000000000000000-mapping.dmp
    • memory/1316-83-0x0000000001170000-0x0000000001196000-memory.dmp
      Filesize

      152KB

    • memory/1316-80-0x0000000000000000-mapping.dmp
    • memory/1972-62-0x0000000070860000-0x0000000070E0B000-memory.dmp
      Filesize

      5.7MB

    • memory/1972-63-0x0000000070860000-0x0000000070E0B000-memory.dmp
      Filesize

      5.7MB

    • memory/1972-59-0x0000000000000000-mapping.dmp
    • memory/1972-61-0x0000000070860000-0x0000000070E0B000-memory.dmp
      Filesize

      5.7MB

    • memory/2004-67-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-70-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-69-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-78-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-65-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-87-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-64-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-72-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-74-0x0000000000400000-0x000000000045C000-memory.dmp
      Filesize

      368KB

    • memory/2004-75-0x0000000000403248-mapping.dmp