Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 13:49

General

  • Target

    DHLAWBReceipt.exe

  • Size

    876KB

  • MD5

    7e1a43265a1743e1c13fd5e764170f6a

  • SHA1

    6da49999b8e2821677c0cd6e4d7db153fcaf4bef

  • SHA256

    00d7d6f4464621ac12c198885c9a618eaf9dc6a2a25e507277e13f34a354a7db

  • SHA512

    62673b48a49652e769423360636e4c31bee7a1bb5b04b3579b1adb68056be9b3a369b6303103004f939062e154bb13840b691f573ed5291188a54f01721ff3d1

  • SSDEEP

    12288:OTvDLSJLnC3MWCVrImP2pkgyaMPPy62+kyqkcNc5JN/kR:+vXSk87V4vpaP4+hqOa

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

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

  • 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.

  • 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe
    "C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe
      "C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHLAWBReceipt.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1540-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1540-19-0x0000000006860000-0x00000000068B0000-memory.dmp

    Filesize

    320KB

  • memory/1540-18-0x00000000069E0000-0x0000000006BA2000-memory.dmp

    Filesize

    1.8MB

  • memory/1540-17-0x0000000074540000-0x0000000074CF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-16-0x0000000074540000-0x0000000074CF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-15-0x0000000074540000-0x0000000074CF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4900-4-0x0000000074540000-0x0000000074CF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4900-8-0x0000000074540000-0x0000000074CF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4900-9-0x0000000004F90000-0x000000000501C000-memory.dmp

    Filesize

    560KB

  • memory/4900-10-0x000000000C6B0000-0x000000000C74C000-memory.dmp

    Filesize

    624KB

  • memory/4900-7-0x000000007454E000-0x000000007454F000-memory.dmp

    Filesize

    4KB

  • memory/4900-6-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

    Filesize

    120KB

  • memory/4900-5-0x0000000005690000-0x000000000569A000-memory.dmp

    Filesize

    40KB

  • memory/4900-14-0x0000000074540000-0x0000000074CF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4900-0-0x000000007454E000-0x000000007454F000-memory.dmp

    Filesize

    4KB

  • memory/4900-3-0x00000000055E0000-0x0000000005672000-memory.dmp

    Filesize

    584KB

  • memory/4900-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

    Filesize

    5.6MB

  • memory/4900-1-0x0000000000B10000-0x0000000000BEE000-memory.dmp

    Filesize

    888KB