Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 19:23

General

  • Target

    2396410e36864797e34181b94fba161f106f27a5128dc648d8564cf6c5834693.exe

  • Size

    213KB

  • MD5

    9ad79306a03519180ea892724d2dd16f

  • SHA1

    6796558c7b6f94a2416634239f60114097977b49

  • SHA256

    2396410e36864797e34181b94fba161f106f27a5128dc648d8564cf6c5834693

  • SHA512

    ac7b2e45aa3ffefeb55375466419ff08cac947f6290ae67bdc5058e6853be46eb91f547243106cfaaa6d49898dbd134c4d935981ab7c3d346a77fc005eaa9971

  • SSDEEP

    6144:ztvBPnU1b7e9SQii1EkoNlhlrQ2ZrM2xh:Zv1nWdQP1EDhZPxh

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2396410e36864797e34181b94fba161f106f27a5128dc648d8564cf6c5834693.exe
    "C:\Users\Admin\AppData\Local\Temp\2396410e36864797e34181b94fba161f106f27a5128dc648d8564cf6c5834693.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Program Files (x86)\Microsoft Build\Isass.exe
      "C:\Program Files (x86)\Microsoft Build\Isass.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft Build\Isass.exe

    Filesize

    213KB

    MD5

    9ad79306a03519180ea892724d2dd16f

    SHA1

    6796558c7b6f94a2416634239f60114097977b49

    SHA256

    2396410e36864797e34181b94fba161f106f27a5128dc648d8564cf6c5834693

    SHA512

    ac7b2e45aa3ffefeb55375466419ff08cac947f6290ae67bdc5058e6853be46eb91f547243106cfaaa6d49898dbd134c4d935981ab7c3d346a77fc005eaa9971

  • memory/1196-14-0x0000000004450000-0x00000000056F7000-memory.dmp

    Filesize

    18.7MB

  • memory/1196-10-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/1196-9-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/1196-11-0x0000000004450000-0x00000000056F7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-18-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-34-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-15-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-16-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-17-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-13-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2188-21-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-32-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-33-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-12-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-35-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-36-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-37-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-38-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-47-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-56-0x0000000004310000-0x00000000055B7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-57-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB

  • memory/2188-58-0x0000000000400000-0x00000000016A7000-memory.dmp

    Filesize

    18.7MB