Analysis

  • max time kernel
    60s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2024 11:12

General

  • Target

    ff7e78da9c8e580229fe95dfdfe5b098.exe

  • Size

    909KB

  • MD5

    ff7e78da9c8e580229fe95dfdfe5b098

  • SHA1

    ab968e47e463f29426116753b0ca086fd5b33cdb

  • SHA256

    cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d

  • SHA512

    45517b8bc96613daeabb738a42188b8ef19b0ac2b53e3202f7d86f683dacdbe1c4a78414938ab5ad0b48b7c546bc89a78932e3b8a1dbf6604e59b4887de48409

  • SSDEEP

    12288:v9Qw+JBpSqWsX8yViJMjLDXGn6pYn21S20YDOcAvrFa1:lUJBp3WxqiJs2IYn21SwacAv

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

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.

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff7e78da9c8e580229fe95dfdfe5b098.exe
    "C:\Users\Admin\AppData\Local\Temp\ff7e78da9c8e580229fe95dfdfe5b098.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1456
    • 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\ff7e78da9c8e580229fe95dfdfe5b098.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3024
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GJgncWe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GJgncWe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7272.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2932
    • C:\Users\Admin\AppData\Local\Temp\ff7e78da9c8e580229fe95dfdfe5b098.exe
      "C:\Users\Admin\AppData\Local\Temp\ff7e78da9c8e580229fe95dfdfe5b098.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:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7272.tmp

    Filesize

    1KB

    MD5

    00851c43892a962d102a14084e154c52

    SHA1

    9ef3c5a8d10c8fe4975281fdadaa4d831299a06a

    SHA256

    2d0354aa14c433188ba1bc7db6c158b7e53dcd100e9a933dabb2432f36664b23

    SHA512

    381b558e2ad647bc81a107198cc512e3fff958e4cb0c01ced3628fe8d7f29fbab5cdc288fef99b969f5a78ed18f7b4e6e3da66f460b97d33356bbb9291f6363f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    dd364ad9c5b9879d2cbf5baf32a90452

    SHA1

    49c1625804c8209528011ad44e68b5fe799da8b4

    SHA256

    4001890e8f7f3a97eea619a1c9531d9560a6a5608ac361de4361df1ad0f4974c

    SHA512

    468f570736067cb63434aa4da94246f49c055c5c1770c9f3651c3464e458c18ec0d07277ca586cca4739be0fc1509e8192bbe9eea09136456eb17a91592dfbc8

  • memory/1456-0-0x000000007456E000-0x000000007456F000-memory.dmp

    Filesize

    4KB

  • memory/1456-1-0x0000000000F10000-0x0000000000FFA000-memory.dmp

    Filesize

    936KB

  • memory/1456-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB

  • memory/1456-3-0x0000000000430000-0x000000000044E000-memory.dmp

    Filesize

    120KB

  • memory/1456-4-0x000000007456E000-0x000000007456F000-memory.dmp

    Filesize

    4KB

  • memory/1456-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB

  • memory/1456-6-0x0000000005B90000-0x0000000005C0E000-memory.dmp

    Filesize

    504KB

  • memory/1456-32-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2648-31-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2648-30-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2648-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2648-27-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2648-23-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2648-21-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2648-19-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2648-25-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2648-33-0x0000000000BB0000-0x0000000000C00000-memory.dmp

    Filesize

    320KB

  • memory/2648-34-0x0000000000C00000-0x0000000000C4E000-memory.dmp

    Filesize

    312KB