Analysis

  • max time kernel
    140s
  • max time network
    144s
  • 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, 13:40

General

  • Target

    Product Inquiry-002.exe

  • Size

    842KB

  • MD5

    4b1f61e78f7a293075a6af95469c7411

  • SHA1

    4bac43439e2c4207feeaf0b1e0075fe50bbd4e0a

  • SHA256

    9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06

  • SHA512

    862642bca542c71212a0ce8c9bd074c96ce1888e67c90c325e26c6ef1e233d1e056b354dd54d31c36ad6a2f973735d02bc60065468cce53af6af3e4358926463

  • SSDEEP

    24576:k1jh9nDTV/f9I/w8gfk4WolpFqYb21jd1ATm:uj3VnIw8gNWoAY65d1p

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 17 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\Product Inquiry-002.exe
    "C:\Users\Admin\AppData\Local\Temp\Product Inquiry-002.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:1280
    • 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\Product Inquiry-002.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4748
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KrNxPXjrA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KrNxPXjrA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF50E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1532
    • C:\Users\Admin\AppData\Local\Temp\Product Inquiry-002.exe
      "C:\Users\Admin\AppData\Local\Temp\Product Inquiry-002.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:4772

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

    5fad25f77901968dc89fc2478a2fd0a4

    SHA1

    1463b92d95f7beb6933034bd2dcf9922567e3e3b

    SHA256

    ec5dc41973f44ea43434bbb8f5d5dea5c810ce7105046ad464678ca6454e329a

    SHA512

    321c54ca89a4a1b19952fd0eae88f571752519c314fbcf9604e4a416096a2efa58a571ed7f8bd63fc6abefa73babcba91e653a530f498dcbd953e53bf7426c91

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gzuettzn.row.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF50E.tmp

    Filesize

    1KB

    MD5

    225a8a25048b2a951e053ec4af09f5e9

    SHA1

    803beab943c7a048b482ce50a7091cd517b9c2bc

    SHA256

    beb81987a43998c43e05e98be4ed5163675e8b7d88ef144925ce90460e3d2e73

    SHA512

    d40baac7c82f42c4c264b0bed30344c349bb6e402a8ba26f43695749e07f1122fe066eb15e909c21b9708c2a08bd0919c29224ab3832bd72d1a9265cd0b711b5

  • memory/1280-4-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/1280-5-0x00000000053F0000-0x00000000053FA000-memory.dmp

    Filesize

    40KB

  • memory/1280-6-0x00000000054E0000-0x00000000054FC000-memory.dmp

    Filesize

    112KB

  • memory/1280-7-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/1280-8-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/1280-9-0x0000000002C20000-0x0000000002CAC000-memory.dmp

    Filesize

    560KB

  • memory/1280-10-0x000000000D7E0000-0x000000000D87C000-memory.dmp

    Filesize

    624KB

  • memory/1280-39-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/1280-3-0x0000000005260000-0x00000000052F2000-memory.dmp

    Filesize

    584KB

  • memory/1280-0-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/1280-2-0x0000000005770000-0x0000000005D14000-memory.dmp

    Filesize

    5.6MB

  • memory/1280-1-0x00000000007C0000-0x0000000000894000-memory.dmp

    Filesize

    848KB

  • memory/3648-76-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

    Filesize

    40KB

  • memory/3648-63-0x0000000070D40000-0x0000000070D8C000-memory.dmp

    Filesize

    304KB

  • memory/3648-24-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3648-88-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3648-31-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3648-82-0x0000000007E70000-0x0000000007E78000-memory.dmp

    Filesize

    32KB

  • memory/3648-38-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3648-81-0x0000000007E90000-0x0000000007EAA000-memory.dmp

    Filesize

    104KB

  • memory/3648-78-0x0000000007D50000-0x0000000007D61000-memory.dmp

    Filesize

    68KB

  • memory/3648-75-0x0000000007B50000-0x0000000007B6A000-memory.dmp

    Filesize

    104KB

  • memory/3648-74-0x0000000008190000-0x000000000880A000-memory.dmp

    Filesize

    6.5MB

  • memory/4748-23-0x0000000005BE0000-0x0000000005C46000-memory.dmp

    Filesize

    408KB

  • memory/4748-18-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4748-52-0x0000000070D40000-0x0000000070D8C000-memory.dmp

    Filesize

    304KB

  • memory/4748-51-0x00000000071B0000-0x00000000071E2000-memory.dmp

    Filesize

    200KB

  • memory/4748-49-0x0000000006200000-0x000000000621E000-memory.dmp

    Filesize

    120KB

  • memory/4748-62-0x00000000067C0000-0x00000000067DE000-memory.dmp

    Filesize

    120KB

  • memory/4748-73-0x00000000073F0000-0x0000000007493000-memory.dmp

    Filesize

    652KB

  • memory/4748-22-0x0000000005AC0000-0x0000000005B26000-memory.dmp

    Filesize

    408KB

  • memory/4748-21-0x00000000059A0000-0x00000000059C2000-memory.dmp

    Filesize

    136KB

  • memory/4748-16-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4748-77-0x00000000077A0000-0x0000000007836000-memory.dmp

    Filesize

    600KB

  • memory/4748-50-0x0000000006740000-0x000000000678C000-memory.dmp

    Filesize

    304KB

  • memory/4748-79-0x0000000007750000-0x000000000775E000-memory.dmp

    Filesize

    56KB

  • memory/4748-80-0x0000000007760000-0x0000000007774000-memory.dmp

    Filesize

    80KB

  • memory/4748-19-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4748-89-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4748-17-0x0000000005340000-0x0000000005968000-memory.dmp

    Filesize

    6.2MB

  • memory/4748-15-0x0000000002920000-0x0000000002956000-memory.dmp

    Filesize

    216KB

  • memory/4748-25-0x0000000005C50000-0x0000000005FA4000-memory.dmp

    Filesize

    3.3MB

  • memory/4772-32-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4772-90-0x0000000006670000-0x0000000006832000-memory.dmp

    Filesize

    1.8MB

  • memory/4772-91-0x00000000064F0000-0x0000000006540000-memory.dmp

    Filesize

    320KB