Analysis

  • max time kernel
    124s
  • max time network
    128s
  • 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 05:47

General

  • Target

    NEW PO - 4067543012.exe

  • Size

    854KB

  • MD5

    b15b83f0aca6375277cfd79c3ab96fa1

  • SHA1

    87ef96c2bd2245075082fe695eb164443eff637a

  • SHA256

    cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886

  • SHA512

    38cd17a629867290c2a4305520148be0b742c81256264abd552db1a64318e291bc9a61eb4f06e7c70f5984a4ea4db5f528726684b497a7125304be224a53219a

  • SSDEEP

    24576:yeq3Zk1T8Fvg3K13rxlmGi+z/3hj+ZqVF4+0cD0aWLlYjHDboU:51IF4erVi8fFZpDbWLlYznf

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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW PO - 4067543012.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PO - 4067543012.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1844
    • 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\NEW PO - 4067543012.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sYpAHmjKhppP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sYpAHmjKhppP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8DC4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3392
    • C:\Users\Admin\AppData\Local\Temp\NEW PO - 4067543012.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW PO - 4067543012.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:3560
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4120,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:8
    1⤵
      PID:3948

    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

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      18KB

      MD5

      0567ca472fbc5a9d7285ee67c66c84dc

      SHA1

      c7b118e992964e541312c5a08ca695d92f2c2c3d

      SHA256

      d3b32e93abe7361f563680e259f269338cd0f72418a24daa9d4fa6d41d80a0a0

      SHA512

      0365955d33cedf72bcaa528a77ad777936bda89ea030e692c59e7ead685b4c9f7e5dc8890d3e422fff07f4311261b04b733341904d4f67b8939262ae21a7f67f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_giwj4maa.jpd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8DC4.tmp

      Filesize

      1KB

      MD5

      cf0b910472cba75b920cb6952d038bed

      SHA1

      67d543a532f7c6f2d20bcbc3b12d1c7310831b0c

      SHA256

      9d1756311508b32cc4114782e9a081f6c69e20fd1a860a9c25e31c43d033a27a

      SHA512

      50b7aeb55069d21da50e5749dacd9f9b25de6dc07635626886d70a23e7079d8f578e911b3527e8fbab31c83f02b2cc6e02b881f2cc278de83e1955313042770b

    • memory/1844-8-0x00000000749FE000-0x00000000749FF000-memory.dmp

      Filesize

      4KB

    • memory/1844-5-0x0000000005360000-0x000000000536A000-memory.dmp

      Filesize

      40KB

    • memory/1844-6-0x0000000005620000-0x00000000056BC000-memory.dmp

      Filesize

      624KB

    • memory/1844-7-0x00000000055E0000-0x00000000055EE000-memory.dmp

      Filesize

      56KB

    • memory/1844-4-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/1844-9-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/1844-10-0x0000000007DB0000-0x0000000007E3A000-memory.dmp

      Filesize

      552KB

    • memory/1844-39-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/1844-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

      Filesize

      4KB

    • memory/1844-3-0x0000000005380000-0x0000000005412000-memory.dmp

      Filesize

      584KB

    • memory/1844-2-0x0000000005930000-0x0000000005ED4000-memory.dmp

      Filesize

      5.6MB

    • memory/1844-1-0x00000000008C0000-0x000000000099C000-memory.dmp

      Filesize

      880KB

    • memory/3560-90-0x0000000006840000-0x0000000006A02000-memory.dmp

      Filesize

      1.8MB

    • memory/3560-35-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3560-91-0x00000000066C0000-0x0000000006710000-memory.dmp

      Filesize

      320KB

    • memory/3952-51-0x0000000007040000-0x0000000007072000-memory.dmp

      Filesize

      200KB

    • memory/3952-62-0x0000000007020000-0x000000000703E000-memory.dmp

      Filesize

      120KB

    • memory/3952-34-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3952-36-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3952-88-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3952-52-0x0000000070ED0000-0x0000000070F1C000-memory.dmp

      Filesize

      304KB

    • memory/3952-38-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-21-0x0000000005E10000-0x0000000005E32000-memory.dmp

      Filesize

      136KB

    • memory/4416-49-0x0000000006680000-0x000000000669E000-memory.dmp

      Filesize

      120KB

    • memory/4416-50-0x0000000006A90000-0x0000000006ADC000-memory.dmp

      Filesize

      304KB

    • memory/4416-22-0x0000000005EB0000-0x0000000005F16000-memory.dmp

      Filesize

      408KB

    • memory/4416-33-0x00000000060C0000-0x0000000006414000-memory.dmp

      Filesize

      3.3MB

    • memory/4416-63-0x0000000070ED0000-0x0000000070F1C000-memory.dmp

      Filesize

      304KB

    • memory/4416-23-0x0000000006050000-0x00000000060B6000-memory.dmp

      Filesize

      408KB

    • memory/4416-73-0x00000000078A0000-0x0000000007943000-memory.dmp

      Filesize

      652KB

    • memory/4416-75-0x00000000079D0000-0x00000000079EA000-memory.dmp

      Filesize

      104KB

    • memory/4416-74-0x0000000008020000-0x000000000869A000-memory.dmp

      Filesize

      6.5MB

    • memory/4416-76-0x0000000007A40000-0x0000000007A4A000-memory.dmp

      Filesize

      40KB

    • memory/4416-77-0x0000000007C50000-0x0000000007CE6000-memory.dmp

      Filesize

      600KB

    • memory/4416-78-0x0000000007BD0000-0x0000000007BE1000-memory.dmp

      Filesize

      68KB

    • memory/4416-79-0x0000000007C00000-0x0000000007C0E000-memory.dmp

      Filesize

      56KB

    • memory/4416-80-0x0000000007C10000-0x0000000007C24000-memory.dmp

      Filesize

      80KB

    • memory/4416-81-0x0000000007D10000-0x0000000007D2A000-memory.dmp

      Filesize

      104KB

    • memory/4416-82-0x0000000007CF0000-0x0000000007CF8000-memory.dmp

      Filesize

      32KB

    • memory/4416-89-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-19-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-18-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-17-0x00000000057E0000-0x0000000005E08000-memory.dmp

      Filesize

      6.2MB

    • memory/4416-16-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-15-0x00000000050E0000-0x0000000005116000-memory.dmp

      Filesize

      216KB