Analysis

  • max time kernel
    151s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 10:46

General

  • Target

    virussign.com_00fa4d04b04bf7c7e9ffb1714bb74688.exe

  • Size

    508KB

  • MD5

    00fa4d04b04bf7c7e9ffb1714bb74688

  • SHA1

    ec7c25e560fbfda8f3ae83bd67824c505fe71ae4

  • SHA256

    2c610fe3c5e17ca7280991967a80f2bb0a6008cea326439bc8320196dd07848a

  • SHA512

    06823d209875a6ba7eedf66b09f7de5a0135f843ef0ed0fd353bfc7069a850f47883a130ec7547170eacd4a1a2701e7828476c8957bff487530363ac4b056bb4

  • SSDEEP

    12288:lXa8s0fUDw52+TuIr+grnSQvtSKDd9qcsX3n0A8:lq8nfUGuIr+eSoR9qPnM

Malware Config

Signatures

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 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 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\virussign.com_00fa4d04b04bf7c7e9ffb1714bb74688.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_00fa4d04b04bf7c7e9ffb1714bb74688.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Local\Temp\virussign.com_00fa4d04b04bf7c7e9ffb1714bb74688.exe
      "C:\Users\Admin\AppData\Local\Temp\virussign.com_00fa4d04b04bf7c7e9ffb1714bb74688.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1760
      • C:\Users\Admin\AppData\Local\Temp\virussign.com_00fa4d04b04bf7c7e9ffb1714bb74688.exe
        "C:\Users\Admin\AppData\Local\Temp\virussign.com_00fa4d04b04bf7c7e9ffb1714bb74688.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\lesbian hidden glans (Sonja,Samantha).rar.exe

    Filesize

    854KB

    MD5

    9f8961f91111f90115293028ba5e0968

    SHA1

    e42d78d4950e6bd59dbb14a2c3102355f61ee9f0

    SHA256

    3c742fa9ea1d8477eb3d0807a1446dd644d96e04423d632d3f36feffc5b8a8d7

    SHA512

    2ba4e3a97580674fa009ed2932d61d6b1b98c7b57c02046637a6da01067f4a368072a0bfa1b1c937c1abc09f95e1dfd8f569f75904e443f59bedb9435f9cda28

  • memory/1760-96-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1760-68-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2372-100-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-112-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-123-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-95-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-92-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-67-0x0000000004570000-0x000000000458C000-memory.dmp

    Filesize

    112KB

  • memory/2768-109-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-115-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-118-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-94-0x0000000004570000-0x000000000458C000-memory.dmp

    Filesize

    112KB

  • memory/2768-126-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-129-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-132-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-135-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-138-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-141-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-144-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2768-147-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB