Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 13:12

General

  • Target

    Request for Quote and Collaboration Docs.exe

  • Size

    739KB

  • MD5

    1e5fbbef8f5ad057fc7b2210a2070e9b

  • SHA1

    f9246fe78392d446a5082f30e18e41aa5f63d825

  • SHA256

    405f0a54d76a3931ab40dd79b1119f906eb29ba1b09d5ddf64091136ca3e0344

  • SHA512

    fb623b30b386bad439a817ef49cd7937bb28d88aab07d591bea7ad957e326bf5cb0f835e59324ef5e7718c8f1c27287412426967911b6eb0f3ded9f0b4cec921

  • SSDEEP

    12288:xlYZmcRHO9ttIZ1/2l05p3yn9fN1GQQUzrpIRvbAz8GZTUIgXa9l218:UmcdO93IZ1xI4bU3TUFk

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7766574905:AAHqEKY-434lRHaHTq5dzX-5SzIzpyCwC4s/sendMessage?chat_id=2065242915

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 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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
  • 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for Quote and Collaboration Docs.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quote and Collaboration Docs.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:2552
    • C:\Users\Admin\AppData\Local\Temp\Request for Quote and Collaboration Docs.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quote and Collaboration Docs.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsdB27F.tmp\System.dll

    Filesize

    11KB

    MD5

    fc90dfb694d0e17b013d6f818bce41b0

    SHA1

    3243969886d640af3bfa442728b9f0dff9d5f5b0

    SHA256

    7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

    SHA512

    324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

  • memory/2552-16-0x00000000775C0000-0x0000000077769000-memory.dmp

    Filesize

    1.7MB

  • memory/2552-15-0x00000000775C1000-0x00000000776C2000-memory.dmp

    Filesize

    1.0MB

  • memory/3060-17-0x00000000775C0000-0x0000000077769000-memory.dmp

    Filesize

    1.7MB

  • memory/3060-37-0x00000000004B0000-0x0000000001512000-memory.dmp

    Filesize

    16.4MB

  • memory/3060-38-0x00000000004B0000-0x0000000001512000-memory.dmp

    Filesize

    16.4MB

  • memory/3060-39-0x00000000004B0000-0x00000000004FA000-memory.dmp

    Filesize

    296KB