Analysis

  • max time kernel
    90s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2024 07:15

General

  • Target

    Transaction_copy.exe

  • Size

    1019KB

  • MD5

    28664f8d0784c730868f15becf318efe

  • SHA1

    080a7a0e5f19cc222624f9cf10a2e6df1c52d726

  • SHA256

    39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf

  • SHA512

    bb93d1a04b7352f8c510dff40e77200a1b876c1c4117a811cb255160bc00ee2eda82b7c6e000d9247202b23e89f6021855a79981304f9c8b7131375e5078ade1

  • SSDEEP

    24576:HAHnh+eWsN3skA4RV1Hom2KXMmHawap00a6kZ/K5:6h+ZkldoPK8YawuBk6

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7563060616:AAGgGu8pocoVNLzoow0Ge2U2GVDS9nDmL6Q/sendMessage?chat_id=7222025033

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Transaction_copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Transaction_copy.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe
      "C:\Users\Admin\AppData\Local\Temp\Transaction_copy.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\Transaction_copy.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\pluffer

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe

    Filesize

    1019KB

    MD5

    28664f8d0784c730868f15becf318efe

    SHA1

    080a7a0e5f19cc222624f9cf10a2e6df1c52d726

    SHA256

    39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf

    SHA512

    bb93d1a04b7352f8c510dff40e77200a1b876c1c4117a811cb255160bc00ee2eda82b7c6e000d9247202b23e89f6021855a79981304f9c8b7131375e5078ade1

  • memory/2076-18-0x00000000000C0000-0x00000000001C5000-memory.dmp

    Filesize

    1.0MB

  • memory/2076-25-0x00000000000C0000-0x00000000001C5000-memory.dmp

    Filesize

    1.0MB

  • memory/2744-5-0x0000000000120000-0x0000000000124000-memory.dmp

    Filesize

    16KB

  • memory/2904-20-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2904-24-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2904-22-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2904-26-0x000000007405E000-0x000000007405F000-memory.dmp

    Filesize

    4KB

  • memory/2904-27-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/2904-28-0x000000007405E000-0x000000007405F000-memory.dmp

    Filesize

    4KB

  • memory/2904-29-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB