Analysis

  • max time kernel
    181s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 15:51

General

  • Target

    3a69308fc69a181472bba584c49bf276.exe

  • Size

    185KB

  • MD5

    3a69308fc69a181472bba584c49bf276

  • SHA1

    70a4c032225b763ded2b241934a02059599bbee5

  • SHA256

    b3b830308f3c2f3212d528ea6622c19769f8469d34d23939cdbc9c3548661d95

  • SHA512

    2b71c67e442d9dbbc0dbec213a9681f5198a2b708853b8a7b216357a8cbeb6c80fb1485056b4fe7605cef056796c0391f3b51e549b78caef112920e04e55b432

  • SSDEEP

    3072:T3YFRQ2tC/SGI2iF1F8uWLyTF0vPdN1tpt+AHW0qhPW8tI21EjLKREHci+siVv8T:r8RQ2t8S/x8ufR0vPdrtp9H3qoN21EjD

Malware Config

Signatures

  • Executes dropped EXE 2 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 4 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a69308fc69a181472bba584c49bf276.exe
    "C:\Users\Admin\AppData\Local\Temp\3a69308fc69a181472bba584c49bf276.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Recycle.Bin\B6232F3A6BE.exe
      "C:\Recycle.Bin\B6232F3A6BE.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2248
      • C:\Users\Admin\AppData\Local\Temp\wAYFC71.exe
        "C:\Users\Admin\AppData\Local\Temp\wAYFC71.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Modifies Internet Explorer Phishing Filter
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Recycle.Bin\A158F3D9D23E309

    Filesize

    9KB

    MD5

    efee99fee2d880df003e55125e7c5976

    SHA1

    b4cb98328cf083ea87c5c9a4bd13a25bcb9da0eb

    SHA256

    c9c91857cdf7a4df750908a3dc7250454640030d0f1dfce0ca932708557a3693

    SHA512

    10457e17ae1650d7cc6500729d5ac201e499720becedf9d13322f3c9342186941cd9f804c962c365538babac4b4012ff5359bda86eadab868ff30f2c02d9db91

  • C:\Recycle.Bin\B6232F3A6BE.exe

    Filesize

    185KB

    MD5

    3a69308fc69a181472bba584c49bf276

    SHA1

    70a4c032225b763ded2b241934a02059599bbee5

    SHA256

    b3b830308f3c2f3212d528ea6622c19769f8469d34d23939cdbc9c3548661d95

    SHA512

    2b71c67e442d9dbbc0dbec213a9681f5198a2b708853b8a7b216357a8cbeb6c80fb1485056b4fe7605cef056796c0391f3b51e549b78caef112920e04e55b432

  • C:\Users\Admin\AppData\Local\Temp\wAYFC71.exe

    Filesize

    3KB

    MD5

    29090b6b4d6605a97ac760d06436ac2d

    SHA1

    d929d3389642e52bae5ad8512293c9c4d3e4fab5

    SHA256

    98a24f0caf5b578e230e6f1103a5fba6aecb28a9128cad5520fcde546d643272

    SHA512

    9121ec42fa66e14a4fc3932c8dbcc8fb1a93ab9de00da57a82e176faa70b73f6992f8c5e2ab52c02fc28c8f0c59aee73b6fbbd39107db7d15105054f4390e9be

  • memory/2248-32-0x00000000023C0000-0x00000000024B0000-memory.dmp

    Filesize

    960KB

  • memory/2248-20-0x00000000022C0000-0x00000000023B0000-memory.dmp

    Filesize

    960KB

  • memory/2248-21-0x00000000022C0000-0x00000000023B0000-memory.dmp

    Filesize

    960KB

  • memory/2248-19-0x00000000004F0000-0x00000000004F1000-memory.dmp

    Filesize

    4KB

  • memory/2248-27-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/2248-18-0x00000000022C0000-0x00000000023B0000-memory.dmp

    Filesize

    960KB

  • memory/2248-17-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2248-16-0x00000000021C0000-0x00000000022C0000-memory.dmp

    Filesize

    1024KB

  • memory/2248-31-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/3100-52-0x0000000002210000-0x0000000002310000-memory.dmp

    Filesize

    1024KB

  • memory/3100-74-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-12-0x00000000005D0000-0x00000000005D2000-memory.dmp

    Filesize

    8KB

  • memory/3100-7-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/3100-6-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/3100-145-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-144-0x0000000000980000-0x0000000000985000-memory.dmp

    Filesize

    20KB

  • memory/3100-5-0x0000000002310000-0x0000000002410000-memory.dmp

    Filesize

    1024KB

  • memory/3100-138-0x00000000756B0000-0x0000000075B00000-memory.dmp

    Filesize

    4.3MB

  • memory/3100-132-0x00000000756B0000-0x0000000075B00000-memory.dmp

    Filesize

    4.3MB

  • memory/3100-4-0x0000000002310000-0x0000000002410000-memory.dmp

    Filesize

    1024KB

  • memory/3100-3-0x00000000005D0000-0x00000000005D1000-memory.dmp

    Filesize

    4KB

  • memory/3100-2-0x0000000002310000-0x0000000002410000-memory.dmp

    Filesize

    1024KB

  • memory/3100-1-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/3100-110-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-59-0x0000000002310000-0x0000000002410000-memory.dmp

    Filesize

    1024KB

  • memory/3100-63-0x0000000002310000-0x0000000002410000-memory.dmp

    Filesize

    1024KB

  • memory/3100-57-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/3100-60-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/3100-62-0x00000000005D0000-0x00000000005D1000-memory.dmp

    Filesize

    4KB

  • memory/3100-72-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-11-0x0000000077D52000-0x0000000077D54000-memory.dmp

    Filesize

    8KB

  • memory/3100-64-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/3100-75-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-77-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-80-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-83-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-90-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-85-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-88-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-96-0x0000000002310000-0x0000000002410000-memory.dmp

    Filesize

    1024KB

  • memory/3100-94-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-99-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-97-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-100-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-103-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-106-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-104-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-0-0x0000000002210000-0x0000000002310000-memory.dmp

    Filesize

    1024KB

  • memory/3100-111-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/3100-108-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-130-0x0000000000590000-0x0000000000595000-memory.dmp

    Filesize

    20KB

  • memory/4432-49-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-114-0x0000000003380000-0x00000000033E3000-memory.dmp

    Filesize

    396KB

  • memory/4432-117-0x0000000077730000-0x0000000077793000-memory.dmp

    Filesize

    396KB

  • memory/4432-123-0x0000000003380000-0x00000000033E3000-memory.dmp

    Filesize

    396KB

  • memory/4432-128-0x0000000002760000-0x0000000002765000-memory.dmp

    Filesize

    20KB

  • memory/4432-107-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-119-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-105-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-102-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-101-0x00000000756B0000-0x0000000075B00000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-92-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-98-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-95-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-91-0x00000000756B0000-0x0000000075B00000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-89-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-82-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-87-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-84-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-78-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-81-0x0000000077D52000-0x0000000077D54000-memory.dmp

    Filesize

    8KB

  • memory/4432-79-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-76-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-73-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-71-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-69-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-66-0x0000000077D52000-0x0000000077D54000-memory.dmp

    Filesize

    8KB

  • memory/4432-70-0x0000000077D54000-0x0000000077D56000-memory.dmp

    Filesize

    8KB

  • memory/4432-51-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-65-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-61-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-54-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-58-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-56-0x0000000077D52000-0x0000000077D54000-memory.dmp

    Filesize

    8KB

  • memory/4432-55-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-109-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-43-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/4432-42-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-34-0x0000000001000000-0x0000000001004000-memory.dmp

    Filesize

    16KB

  • memory/4432-33-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-50-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-26-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-48-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-44-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-47-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/4432-40-0x0000000000590000-0x0000000000595000-memory.dmp

    Filesize

    20KB

  • memory/4432-39-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-36-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-35-0x0000000000900000-0x000000000094E000-memory.dmp

    Filesize

    312KB

  • memory/4432-146-0x00000000756B0000-0x0000000075B00000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-147-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-148-0x00000000756B0000-0x0000000075B00000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-149-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-151-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-150-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-152-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-153-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-154-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-155-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-156-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-157-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-159-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/4432-158-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-161-0x0000000002B60000-0x0000000002BC3000-memory.dmp

    Filesize

    396KB

  • memory/4432-162-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB

  • memory/4432-168-0x0000000077730000-0x0000000077793000-memory.dmp

    Filesize

    396KB

  • memory/4432-173-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-174-0x0000000002B60000-0x0000000002FB0000-memory.dmp

    Filesize

    4.3MB

  • memory/4432-175-0x000000000BAD0000-0x000000000BB1E000-memory.dmp

    Filesize

    312KB