Analysis

  • max time kernel
    117s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 06:16

General

  • Target

    APQSKVTvd60SdAM.exe

  • Size

    909KB

  • MD5

    ff7e78da9c8e580229fe95dfdfe5b098

  • SHA1

    ab968e47e463f29426116753b0ca086fd5b33cdb

  • SHA256

    cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d

  • SHA512

    45517b8bc96613daeabb738a42188b8ef19b0ac2b53e3202f7d86f683dacdbe1c4a78414938ab5ad0b48b7c546bc89a78932e3b8a1dbf6604e59b4887de48409

  • SSDEEP

    12288:v9Qw+JBpSqWsX8yViJMjLDXGn6pYn21S20YDOcAvrFa1:lUJBp3WxqiJs2IYn21SwacAv

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vvtrade.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qVyP6qyv6MQCmZJBRs4t

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\APQSKVTvd60SdAM.exe
    "C:\Users\Admin\AppData\Local\Temp\APQSKVTvd60SdAM.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2708
    • 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\APQSKVTvd60SdAM.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2764
    • 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:2628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GJgncWe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A2C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2776
    • C:\Users\Admin\AppData\Local\Temp\APQSKVTvd60SdAM.exe
      "C:\Users\Admin\AppData\Local\Temp\APQSKVTvd60SdAM.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:832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2A2C.tmp

    Filesize

    1KB

    MD5

    f807d06a944ea646b8fa54e7658373c9

    SHA1

    eca69beac952a079e916b7395ed49d206c1079a5

    SHA256

    e67e812a26c69f1ad0a6e00803d69f5cd6c65bddb4a1e70d129792f8e8beabcb

    SHA512

    d4d52e15ffcd2d4f284523afb9adcb0796372c2477074be12569f025cb8e510ff99da39c857384ec7f19d393afd29d3d676fbb297e650a6cc31ac5905dfc5883

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JEL50OB5VO6ERYQLKL7H.temp

    Filesize

    7KB

    MD5

    099512ab016082530fb8052c1eef9827

    SHA1

    4ca710c2e2a505da077af3711decd1d905aa2d4f

    SHA256

    0e780e15bc404b8d449889aa9e891d95cf78acf881c07b3e07547a5470187899

    SHA512

    7757507f5bcf8d8307e7632196a66034c8b562293d7451d0cd37adfc6f7eda0f784de25db3ecadecaff6338c9cfaa8c4efa36849d0683d53e078a6dfd7acde34

  • memory/832-24-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/832-26-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/832-33-0x0000000000C70000-0x0000000000CBE000-memory.dmp

    Filesize

    312KB

  • memory/832-32-0x00000000003B0000-0x0000000000400000-memory.dmp

    Filesize

    320KB

  • memory/832-18-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/832-22-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/832-20-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/832-30-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/832-29-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/832-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2708-0-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2708-1-0x0000000000D80000-0x0000000000E6A000-memory.dmp

    Filesize

    936KB

  • memory/2708-2-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-3-0x0000000000270000-0x000000000028E000-memory.dmp

    Filesize

    120KB

  • memory/2708-5-0x0000000002530000-0x00000000025AE000-memory.dmp

    Filesize

    504KB

  • memory/2708-31-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-4-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB