Analysis

  • max time kernel
    116s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 10:03

General

  • Target

    61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe

  • Size

    682KB

  • MD5

    7a89cfd55b6dcbbe3df7b83eff0bf861

  • SHA1

    e455b447960fb01b99587149c7dd1ab2f6b62d79

  • SHA256

    61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0

  • SHA512

    75de6a2e9c98f11115c02abdb176f7e42fe5fdfc913f13b162e762812898834807c225c4a624eaa3201d4818c0adc760c66fd0855f0c01b69e19573eea6d76b4

  • SSDEEP

    12288:k08bQbNO4o5PvOCjcUaS/PyruK/TunvIzl9R2Q5ikdPOwniuoo6cfOZ:knItSOCjjqaG4gJrCwni9hS

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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe
    "C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.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:4744
    • 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\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aXrHAJsui.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4516
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aXrHAJsui" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD292.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2128
    • C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe
      "C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.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:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    dd21bf05482c85a99871b4d8a4a4362c

    SHA1

    dc091f936cbe67790d987246e13cb1761f63cab1

    SHA256

    e5a0243cb002d0afdfab2fba44214ecca1f8e4883c2c9d5753007d61cbd70967

    SHA512

    761885be2271c089b72d67e7f0870f9ec97b78b7b49cdef96b5c8cd8301cd8d00490c34d51de425973e6748266ed05d829b96d4278c8911fd9e85520e6093d21

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gpqqysss.n0s.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD292.tmp

    Filesize

    1KB

    MD5

    ac437f3296969b50e874466218e95136

    SHA1

    90abf126af1a508c75e3c71f3ac7dac4b64afadf

    SHA256

    d766e98afd96a8c399fced3ec5f736023a9fda8fd1b9f6a0cc7d1a93a1491982

    SHA512

    90d5c85c01aad7f187432b6f49b97ec5b1ae5dd706ad661bfc38f14aaac661a8a200ed0f68009f8a8ddc61c9eca053b3488eb27522589427512106de22460eb5

  • memory/2716-35-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2716-89-0x0000000006940000-0x0000000006B02000-memory.dmp

    Filesize

    1.8MB

  • memory/2716-90-0x00000000067C0000-0x0000000006810000-memory.dmp

    Filesize

    320KB

  • memory/4516-88-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4516-80-0x0000000007310000-0x000000000732A000-memory.dmp

    Filesize

    104KB

  • memory/4516-74-0x0000000006FD0000-0x0000000006FEA000-memory.dmp

    Filesize

    104KB

  • memory/4516-73-0x0000000007610000-0x0000000007C8A000-memory.dmp

    Filesize

    6.5MB

  • memory/4516-61-0x0000000070DE0000-0x0000000070E2C000-memory.dmp

    Filesize

    304KB

  • memory/4516-49-0x0000000005D10000-0x0000000005D5C000-memory.dmp

    Filesize

    304KB

  • memory/4516-48-0x0000000005C80000-0x0000000005C9E000-memory.dmp

    Filesize

    120KB

  • memory/4516-36-0x00000000056A0000-0x00000000059F4000-memory.dmp

    Filesize

    3.3MB

  • memory/4516-22-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4516-20-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-17-0x00000000054E0000-0x0000000005B08000-memory.dmp

    Filesize

    6.2MB

  • memory/4652-79-0x00000000078D0000-0x00000000078E4000-memory.dmp

    Filesize

    80KB

  • memory/4652-18-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-25-0x0000000005B10000-0x0000000005B76000-memory.dmp

    Filesize

    408KB

  • memory/4652-24-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

  • memory/4652-23-0x00000000053D0000-0x00000000053F2000-memory.dmp

    Filesize

    136KB

  • memory/4652-16-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-87-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-81-0x00000000079B0000-0x00000000079B8000-memory.dmp

    Filesize

    32KB

  • memory/4652-15-0x0000000004DC0000-0x0000000004DF6000-memory.dmp

    Filesize

    216KB

  • memory/4652-19-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-50-0x00000000074E0000-0x0000000007512000-memory.dmp

    Filesize

    200KB

  • memory/4652-51-0x0000000070DE0000-0x0000000070E2C000-memory.dmp

    Filesize

    304KB

  • memory/4652-78-0x00000000078C0000-0x00000000078CE000-memory.dmp

    Filesize

    56KB

  • memory/4652-70-0x0000000007520000-0x000000000753E000-memory.dmp

    Filesize

    120KB

  • memory/4652-72-0x0000000007580000-0x0000000007623000-memory.dmp

    Filesize

    652KB

  • memory/4652-77-0x0000000007890000-0x00000000078A1000-memory.dmp

    Filesize

    68KB

  • memory/4652-76-0x0000000007910000-0x00000000079A6000-memory.dmp

    Filesize

    600KB

  • memory/4652-75-0x0000000007700000-0x000000000770A000-memory.dmp

    Filesize

    40KB

  • memory/4744-7-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/4744-8-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-9-0x0000000008DC0000-0x0000000008E4C000-memory.dmp

    Filesize

    560KB

  • memory/4744-10-0x000000000B5F0000-0x000000000B68C000-memory.dmp

    Filesize

    624KB

  • memory/4744-6-0x0000000005410000-0x0000000005422000-memory.dmp

    Filesize

    72KB

  • memory/4744-47-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-5-0x0000000002DC0000-0x0000000002DCA000-memory.dmp

    Filesize

    40KB

  • memory/4744-4-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/4744-3-0x0000000005120000-0x00000000051B2000-memory.dmp

    Filesize

    584KB

  • memory/4744-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

    Filesize

    5.6MB

  • memory/4744-1-0x00000000007B0000-0x0000000000860000-memory.dmp

    Filesize

    704KB