Analysis

  • max time kernel
    118s
  • max time network
    203s
  • 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 05:12

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 6 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:4136
    • 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:3272
    • 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:4872
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sYpAHmjKhppP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF53D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5020
    • 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:664

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    0535873437a1fe9bed5398c82c074ba6

    SHA1

    ebd2316ef18085c9e1815eab005cebc24338bf6a

    SHA256

    89845a36cbd4db189ba53361f242f5b08393a6119f85d7d050344873a447ec42

    SHA512

    87dd46d546d09af232d1a01c6f942bda19f9cfc49b9b790499e02f0204dde4996a251906c81efea8dbf9c0664e088f85aaa10e8b6e58bdbf191eea5c1829479a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_msuqwggr.tuo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF53D.tmp

    Filesize

    1KB

    MD5

    2df3eb85d418f0944c6132f467bba009

    SHA1

    ac7384527bd00594d8f5ac12d9eb4ce2856f990e

    SHA256

    d31cbd0b3096847e8bbf9957bf4140e0948110a0cd4ac882966bc06d78eda4cb

    SHA512

    65d5b43593a6c7b3f4496185735b2a932da6b38bc455bcebd59b59586279265f6664806925b29ae92a0d128d2a4e80bea0fcf913ebbb1e0636a0a1f29d17f029

  • memory/664-90-0x0000000006D20000-0x0000000006D70000-memory.dmp

    Filesize

    320KB

  • memory/664-89-0x0000000006EA0000-0x0000000007062000-memory.dmp

    Filesize

    1.8MB

  • memory/664-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3272-16-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-72-0x0000000007110000-0x00000000071B3000-memory.dmp

    Filesize

    652KB

  • memory/3272-75-0x00000000072B0000-0x00000000072BA000-memory.dmp

    Filesize

    40KB

  • memory/3272-77-0x0000000007440000-0x0000000007451000-memory.dmp

    Filesize

    68KB

  • memory/3272-15-0x0000000002620000-0x0000000002656000-memory.dmp

    Filesize

    216KB

  • memory/3272-81-0x0000000007560000-0x0000000007568000-memory.dmp

    Filesize

    32KB

  • memory/3272-18-0x00000000051D0000-0x00000000057F8000-memory.dmp

    Filesize

    6.2MB

  • memory/3272-17-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-19-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-23-0x0000000005050000-0x0000000005072000-memory.dmp

    Filesize

    136KB

  • memory/3272-71-0x00000000070E0000-0x00000000070FE000-memory.dmp

    Filesize

    120KB

  • memory/3272-61-0x00000000719A0000-0x00000000719EC000-memory.dmp

    Filesize

    304KB

  • memory/3272-87-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-26-0x0000000005160000-0x00000000051C6000-memory.dmp

    Filesize

    408KB

  • memory/3272-24-0x00000000050F0000-0x0000000005156000-memory.dmp

    Filesize

    408KB

  • memory/3272-76-0x00000000074C0000-0x0000000007556000-memory.dmp

    Filesize

    600KB

  • memory/3272-33-0x00000000058C0000-0x0000000005C14000-memory.dmp

    Filesize

    3.3MB

  • memory/4136-34-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/4136-5-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/4136-6-0x0000000005BA0000-0x0000000005C3C000-memory.dmp

    Filesize

    624KB

  • memory/4136-3-0x0000000005960000-0x00000000059F2000-memory.dmp

    Filesize

    584KB

  • memory/4136-8-0x000000007525E000-0x000000007525F000-memory.dmp

    Filesize

    4KB

  • memory/4136-4-0x0000000005900000-0x000000000590A000-memory.dmp

    Filesize

    40KB

  • memory/4136-2-0x0000000005F10000-0x00000000064B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4136-1-0x0000000000E70000-0x0000000000F4C000-memory.dmp

    Filesize

    880KB

  • memory/4136-7-0x0000000005B80000-0x0000000005B8E000-memory.dmp

    Filesize

    56KB

  • memory/4136-0-0x000000007525E000-0x000000007525F000-memory.dmp

    Filesize

    4KB

  • memory/4136-10-0x0000000008560000-0x00000000085EA000-memory.dmp

    Filesize

    552KB

  • memory/4136-9-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/4872-50-0x0000000006F00000-0x0000000006F32000-memory.dmp

    Filesize

    200KB

  • memory/4872-74-0x00000000072B0000-0x00000000072CA000-memory.dmp

    Filesize

    104KB

  • memory/4872-78-0x00000000074E0000-0x00000000074EE000-memory.dmp

    Filesize

    56KB

  • memory/4872-79-0x00000000074F0000-0x0000000007504000-memory.dmp

    Filesize

    80KB

  • memory/4872-80-0x00000000075F0000-0x000000000760A000-memory.dmp

    Filesize

    104KB

  • memory/4872-73-0x00000000078F0000-0x0000000007F6A000-memory.dmp

    Filesize

    6.5MB

  • memory/4872-51-0x00000000719A0000-0x00000000719EC000-memory.dmp

    Filesize

    304KB

  • memory/4872-49-0x0000000006000000-0x000000000604C000-memory.dmp

    Filesize

    304KB

  • memory/4872-88-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/4872-48-0x0000000005F70000-0x0000000005F8E000-memory.dmp

    Filesize

    120KB

  • memory/4872-22-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/4872-21-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB