Analysis

  • max time kernel
    143s
  • 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
    16-11-2024 15:49

General

  • Target

    PayeeAdvice_HK54912_R0038704_37504.exe

  • Size

    814KB

  • MD5

    a7071c7cf3999b13607413c36e8d5418

  • SHA1

    a4d955d14cfb368d93bc7083214b01dec4c90f2b

  • SHA256

    4cdbe754de2114be5f9ccf7e3f3d4f9f7f8fadc279e860bb1773aee0e2de4047

  • SHA512

    4680f4794735608e5594b72ed7c84e9f1af90119d76d541d3d4f27f188a1546e01d3a556d32319da58021ad886f03d67b0deae43e45b6d706b242287f9fe61ed

  • SSDEEP

    24576:/vYV0HT73uF4hi1qCCeFc2QCJgGNXk01vDxPVv7c:YOzaK6VcS5xhDxK

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.foodex.com.pk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    wajahat1975

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
  • Loads dropped DLL 1 IoCs
  • 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PayeeAdvice_HK54912_R0038704_37504.exe
    "C:\Users\Admin\AppData\Local\Temp\PayeeAdvice_HK54912_R0038704_37504.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Users\Admin\AppData\Local\Temp\PayeeAdvice_HK54912_R0038704_37504.exe
      "C:\Users\Admin\AppData\Local\Temp\PayeeAdvice_HK54912_R0038704_37504.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsn9ABB.tmp\System.dll

    Filesize

    11KB

    MD5

    fc90dfb694d0e17b013d6f818bce41b0

    SHA1

    3243969886d640af3bfa442728b9f0dff9d5f5b0

    SHA256

    7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

    SHA512

    324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

  • memory/1948-25-0x00000000398E0000-0x0000000039E84000-memory.dmp

    Filesize

    5.6MB

  • memory/1948-36-0x000000003AD20000-0x000000003AD2A000-memory.dmp

    Filesize

    40KB

  • memory/1948-24-0x0000000000480000-0x00000000004CA000-memory.dmp

    Filesize

    296KB

  • memory/1948-15-0x0000000077D68000-0x0000000077D69000-memory.dmp

    Filesize

    4KB

  • memory/1948-16-0x0000000077D85000-0x0000000077D86000-memory.dmp

    Filesize

    4KB

  • memory/1948-22-0x0000000077CE1000-0x0000000077E01000-memory.dmp

    Filesize

    1.1MB

  • memory/1948-20-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/1948-23-0x0000000072BDE000-0x0000000072BDF000-memory.dmp

    Filesize

    4KB

  • memory/1948-35-0x000000003AC30000-0x000000003ACC2000-memory.dmp

    Filesize

    584KB

  • memory/1948-33-0x0000000072BD0000-0x0000000073380000-memory.dmp

    Filesize

    7.7MB

  • memory/1948-27-0x0000000072BD0000-0x0000000073380000-memory.dmp

    Filesize

    7.7MB

  • memory/1948-26-0x0000000039E90000-0x0000000039F2C000-memory.dmp

    Filesize

    624KB

  • memory/1948-28-0x000000003A3F0000-0x000000003A5B2000-memory.dmp

    Filesize

    1.8MB

  • memory/1948-29-0x000000003A5D0000-0x000000003A620000-memory.dmp

    Filesize

    320KB

  • memory/1948-31-0x0000000072BDE000-0x0000000072BDF000-memory.dmp

    Filesize

    4KB

  • memory/1948-32-0x000000003A6B0000-0x000000003ABDC000-memory.dmp

    Filesize

    5.2MB

  • memory/2600-13-0x0000000077CE1000-0x0000000077E01000-memory.dmp

    Filesize

    1.1MB

  • memory/2600-14-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/2600-12-0x0000000077CE1000-0x0000000077E01000-memory.dmp

    Filesize

    1.1MB