Analysis

  • max time kernel
    122s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 12:40

General

  • Target

    e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe

  • Size

    784KB

  • MD5

    f45d95d9be611f61ba9f193ea4676eae

  • SHA1

    8cf82904cb76d2476b5ff36b9072c65b5c414ede

  • SHA256

    e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9

  • SHA512

    4f0597df3e489d6ef23432a7321542ff08965a5fa93198c039e005a86dcdaa9abb60eae484c9cac949fa9d2db6d7548f797af73a6fd8f5bd20ee1a836258aedf

  • SSDEEP

    24576:A5CJVwLNNNizk+m0v5C8IomqxL8q0A9O6y:AY6vNmm0v5Tv/8m9y

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 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe
    "C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.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:5004
    • 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\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KZgaxkBH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4184
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZgaxkBH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB26.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1508
    • C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe
      "C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pz4qkcqv.rco.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB26.tmp

    Filesize

    1KB

    MD5

    1bb102d3d3b7512e77bcbbc5f03a335e

    SHA1

    6b1f51c5bf9b2f98207ba3195120e09e2232df58

    SHA256

    3ac1afa57bb5597cf8ff2fc95a42ef0f0364920f5d908a714f734b5f953eab15

    SHA512

    221435bb7d210549a082e9ac670a653b5de07073a113e60cf0c8d0d9a113daeb053aa720e6803ed90c15ac05c9d3cd953aa24bdbd8025d7ae4a58d3acc0987bb

  • memory/1928-46-0x0000000005DD0000-0x0000000006124000-memory.dmp

    Filesize

    3.3MB

  • memory/1928-77-0x0000000007900000-0x0000000007911000-memory.dmp

    Filesize

    68KB

  • memory/1928-87-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-80-0x0000000007A40000-0x0000000007A5A000-memory.dmp

    Filesize

    104KB

  • memory/1928-79-0x0000000007940000-0x0000000007954000-memory.dmp

    Filesize

    80KB

  • memory/1928-78-0x0000000007930000-0x000000000793E000-memory.dmp

    Filesize

    56KB

  • memory/1928-75-0x0000000007780000-0x000000000778A000-memory.dmp

    Filesize

    40KB

  • memory/1928-51-0x0000000071470000-0x00000000714BC000-memory.dmp

    Filesize

    304KB

  • memory/1928-16-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-15-0x0000000004E40000-0x0000000004E76000-memory.dmp

    Filesize

    216KB

  • memory/1928-18-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-17-0x00000000054B0000-0x0000000005AD8000-memory.dmp

    Filesize

    6.2MB

  • memory/1928-19-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-72-0x0000000007420000-0x00000000074C3000-memory.dmp

    Filesize

    652KB

  • memory/1928-70-0x00000000069C0000-0x00000000069DE000-memory.dmp

    Filesize

    120KB

  • memory/1928-50-0x00000000073E0000-0x0000000007412000-memory.dmp

    Filesize

    200KB

  • memory/1928-29-0x0000000005CF0000-0x0000000005D56000-memory.dmp

    Filesize

    408KB

  • memory/1928-28-0x0000000005B50000-0x0000000005B72000-memory.dmp

    Filesize

    136KB

  • memory/1928-30-0x0000000005D60000-0x0000000005DC6000-memory.dmp

    Filesize

    408KB

  • memory/4184-49-0x0000000005E50000-0x0000000005E9C000-memory.dmp

    Filesize

    304KB

  • memory/4184-73-0x0000000007790000-0x0000000007E0A000-memory.dmp

    Filesize

    6.5MB

  • memory/4184-74-0x0000000007150000-0x000000000716A000-memory.dmp

    Filesize

    104KB

  • memory/4184-48-0x0000000005E00000-0x0000000005E1E000-memory.dmp

    Filesize

    120KB

  • memory/4184-86-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/4184-81-0x0000000007470000-0x0000000007478000-memory.dmp

    Filesize

    32KB

  • memory/4184-22-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/4184-53-0x0000000071470000-0x00000000714BC000-memory.dmp

    Filesize

    304KB

  • memory/4184-76-0x00000000073D0000-0x0000000007466000-memory.dmp

    Filesize

    600KB

  • memory/4184-20-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/4540-90-0x00000000071F0000-0x000000000771C000-memory.dmp

    Filesize

    5.2MB

  • memory/4540-89-0x00000000064F0000-0x0000000006540000-memory.dmp

    Filesize

    320KB

  • memory/4540-40-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4540-88-0x0000000006670000-0x0000000006832000-memory.dmp

    Filesize

    1.8MB

  • memory/5004-7-0x0000000005150000-0x0000000005162000-memory.dmp

    Filesize

    72KB

  • memory/5004-4-0x0000000004F90000-0x000000000502C000-memory.dmp

    Filesize

    624KB

  • memory/5004-8-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

    Filesize

    4KB

  • memory/5004-10-0x00000000081C0000-0x000000000824E000-memory.dmp

    Filesize

    568KB

  • memory/5004-47-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-2-0x0000000005410000-0x00000000059B4000-memory.dmp

    Filesize

    5.6MB

  • memory/5004-9-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-3-0x0000000004D40000-0x0000000004DD2000-memory.dmp

    Filesize

    584KB

  • memory/5004-6-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-1-0x00000000002B0000-0x000000000037A000-memory.dmp

    Filesize

    808KB

  • memory/5004-5-0x0000000004E00000-0x0000000004E0A000-memory.dmp

    Filesize

    40KB

  • memory/5004-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

    Filesize

    4KB