Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 20:05

General

  • Target

    3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.exe

  • Size

    128KB

  • MD5

    8b48fbf5dcefba2a141f43e595111bf7

  • SHA1

    b857b81adb0e77fc40cbc5c2987e4909b211b1bc

  • SHA256

    3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757

  • SHA512

    c95dbcdc560450690e8630d2215f420377c2bdd38b42a86e205c3b31038eb1bdfd955d22d49d60224f8da9979072bc190dfa4540a2a45f29345367bcf757a1c5

  • SSDEEP

    3072:Dvs4dDXEGCLElz1Tj4mYWR/R4nkPR/1aVowVunF58s+vt:bPDLCL4Io5R4nM/4rVmbh+vt

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 5 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.exe
    "C:\Users\Admin\AppData\Local\Temp\3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.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:1924
    • C:\Users\Admin\AppData\Local\Temp\3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.exe
      "C:\Users\Admin\AppData\Local\Temp\3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Users\Admin\AppData\Local\Temp\3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.exe
        "C:\Users\Admin\AppData\Local\Temp\3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2436
    • C:\Users\Admin\AppData\Local\Temp\3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.exe
      "C:\Users\Admin\AppData\Local\Temp\3785c48f0d4ca3ac00bf9fa651e3dba57198b8591e7d2267d77c6138dc2a1757.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\japanese horse gay masturbation .mpg.exe

    Filesize

    1.5MB

    MD5

    b26719cb2f95731e9ad0593b6c1d637d

    SHA1

    14ce0f6ff37d0be8e8b375736bf4d07fb47dba4b

    SHA256

    a34b540ed4a4b05853bff10ad91d7c2ced4dc775d8efcd3e8fae027690c03c3c

    SHA512

    7e1114a54ac6adde745b4439579f689e728e0e83531629218bc5b1caa336dd6979ea567ba4b396e423b4850320f47a01923ba8ee89eea3040e6cbdb52a93a335

  • memory/1924-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1924-17-0x0000000004D40000-0x0000000004D5D000-memory.dmp

    Filesize

    116KB

  • memory/1924-61-0x0000000005270000-0x000000000528D000-memory.dmp

    Filesize

    116KB

  • memory/1924-96-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1924-98-0x0000000004D40000-0x0000000004D5D000-memory.dmp

    Filesize

    116KB

  • memory/1924-102-0x0000000005270000-0x000000000528D000-memory.dmp

    Filesize

    116KB

  • memory/2464-62-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2632-18-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2632-60-0x00000000045D0000-0x00000000045ED000-memory.dmp

    Filesize

    116KB

  • memory/2632-99-0x00000000045D0000-0x00000000045ED000-memory.dmp

    Filesize

    116KB