Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    09-04-2024 23:18

General

  • Target

    b8f70ef6aaa0978edbd807986717ab9c.exe

  • Size

    186KB

  • MD5

    b8f70ef6aaa0978edbd807986717ab9c

  • SHA1

    ceb99aceb55b3190f2872602331df4dcd07abc52

  • SHA256

    f632980e16caca28269eba1e32bd29300ce52dc7969744758de3d279eaa3605f

  • SHA512

    55ffebb18265653e6ae6fc68d53f57bf134e1a26b9908ae8b37963f1168c6172a181f61fe97f2015cbc8b7e6e1ae7de13ee5d94848b0cad48a419820d8ffed2e

  • SSDEEP

    3072:gjbLl/gvQoutp1Tj4mYWR/RO/6W5H6gWIK+/MRzZfHbw/hftz7utwo7UGwsvU:gjluQoS3Io5RW6W5fMN9Hs/hftHkoGwj

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8f70ef6aaa0978edbd807986717ab9c.exe
    "C:\Users\Admin\AppData\Local\Temp\b8f70ef6aaa0978edbd807986717ab9c.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Users\Admin\AppData\Local\Temp\b8f70ef6aaa0978edbd807986717ab9c.exe
      "C:\Users\Admin\AppData\Local\Temp\b8f70ef6aaa0978edbd807986717ab9c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Users\Admin\AppData\Local\Temp\b8f70ef6aaa0978edbd807986717ab9c.exe
        "C:\Users\Admin\AppData\Local\Temp\b8f70ef6aaa0978edbd807986717ab9c.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\japanese nude trambling full movie cock fishy .zip.exe

    Filesize

    718KB

    MD5

    41302d4cccc5c909282313572e9a95f4

    SHA1

    a82fa3afa9ba9377d348355065f44827499ea2bd

    SHA256

    931dea536264d3bb2be8e85f435978ec500bbd274b4b42d2df01a0012991d133

    SHA512

    a69e3fa7f9db543336e8eb25290c4e88d344db773f83b8d9a4290d7ed8b200c9744f1c3aaf82b7b0bb9380ec70c08988d06c28af564a73176527208046785480

  • memory/1924-89-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1924-103-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-107-0x0000000005460000-0x0000000005480000-memory.dmp

    Filesize

    128KB

  • memory/2244-111-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-143-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-93-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-140-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-75-0x0000000005460000-0x0000000005480000-memory.dmp

    Filesize

    128KB

  • memory/2244-104-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-108-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-137-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-114-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-119-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-122-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-125-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-128-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-131-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2244-134-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2544-88-0x0000000004DD0000-0x0000000004DF0000-memory.dmp

    Filesize

    128KB

  • memory/2544-102-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2544-76-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB