Analysis

  • max time kernel
    102s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 03:17

General

  • Target

    548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe

  • Size

    960KB

  • MD5

    cd437678986f11ba11e754bb1153f9a0

  • SHA1

    24fe760f960ce0653d014fa5348decfae1918f13

  • SHA256

    548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108

  • SHA512

    78eb44e2c9b64ecaf87875ce4aff4dc97bc84e4706f56ff263066e138fbaf5cd0cbf4b4eb63deb82413d20bd9eb2b6b3f468d4e7ba127ba640ff5163ba615a1c

  • SSDEEP

    12288:yAgyHUPF5kLOj/+wwFSNS5nc1QB1RXS5g4TdXjFjwQvqZywZfsMl37qYjyndWVrt:hUPQk+wwFS85nc1Qp4gWdpkQEP7oS6w

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe
    "C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2192
    • 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\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4500
    • C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe
      "C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_em4dsdl2.wvc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2192-10-0x000000000E150000-0x000000000E1EC000-memory.dmp

    Filesize

    624KB

  • memory/2192-15-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2192-4-0x00000000052B0000-0x00000000052BA000-memory.dmp

    Filesize

    40KB

  • memory/2192-5-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2192-6-0x00000000056C0000-0x00000000056DE000-memory.dmp

    Filesize

    120KB

  • memory/2192-7-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

    Filesize

    4KB

  • memory/2192-8-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2192-9-0x0000000002C50000-0x0000000002CDA000-memory.dmp

    Filesize

    552KB

  • memory/2192-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

    Filesize

    4KB

  • memory/2192-3-0x0000000005330000-0x00000000053C2000-memory.dmp

    Filesize

    584KB

  • memory/2192-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

    Filesize

    5.6MB

  • memory/2192-1-0x00000000007C0000-0x00000000008B6000-memory.dmp

    Filesize

    984KB

  • memory/3224-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3224-16-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3224-63-0x0000000006820000-0x0000000006870000-memory.dmp

    Filesize

    320KB

  • memory/3224-62-0x0000000006980000-0x0000000006B42000-memory.dmp

    Filesize

    1.8MB

  • memory/3224-61-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3224-14-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-23-0x0000000005680000-0x00000000056E6000-memory.dmp

    Filesize

    408KB

  • memory/4500-49-0x0000000007640000-0x0000000007CBA000-memory.dmp

    Filesize

    6.5MB

  • memory/4500-21-0x0000000004C00000-0x0000000004C22000-memory.dmp

    Filesize

    136KB

  • memory/4500-19-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-33-0x00000000056F0000-0x0000000005A44000-memory.dmp

    Filesize

    3.3MB

  • memory/4500-34-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

    Filesize

    120KB

  • memory/4500-35-0x0000000005D10000-0x0000000005D5C000-memory.dmp

    Filesize

    304KB

  • memory/4500-36-0x00000000062A0000-0x00000000062D2000-memory.dmp

    Filesize

    200KB

  • memory/4500-37-0x0000000070930000-0x000000007097C000-memory.dmp

    Filesize

    304KB

  • memory/4500-47-0x00000000062E0000-0x00000000062FE000-memory.dmp

    Filesize

    120KB

  • memory/4500-48-0x0000000006EC0000-0x0000000006F63000-memory.dmp

    Filesize

    652KB

  • memory/4500-22-0x0000000004DA0000-0x0000000004E06000-memory.dmp

    Filesize

    408KB

  • memory/4500-50-0x0000000007000000-0x000000000701A000-memory.dmp

    Filesize

    104KB

  • memory/4500-51-0x0000000007070000-0x000000000707A000-memory.dmp

    Filesize

    40KB

  • memory/4500-52-0x0000000007280000-0x0000000007316000-memory.dmp

    Filesize

    600KB

  • memory/4500-53-0x0000000007200000-0x0000000007211000-memory.dmp

    Filesize

    68KB

  • memory/4500-54-0x0000000007230000-0x000000000723E000-memory.dmp

    Filesize

    56KB

  • memory/4500-55-0x0000000007240000-0x0000000007254000-memory.dmp

    Filesize

    80KB

  • memory/4500-56-0x0000000007340000-0x000000000735A000-memory.dmp

    Filesize

    104KB

  • memory/4500-57-0x0000000007320000-0x0000000007328000-memory.dmp

    Filesize

    32KB

  • memory/4500-60-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-20-0x0000000004EE0000-0x0000000005508000-memory.dmp

    Filesize

    6.2MB

  • memory/4500-18-0x0000000004710000-0x0000000004746000-memory.dmp

    Filesize

    216KB

  • memory/4500-17-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB