Overview

overview

10

Static

static

10

4b37ec8267...65.exe

windows7-x64

9

4b37ec8267...65.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2024, 21:20

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General

  • Target

    4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe

  • Size

    1.1MB

  • MD5

    df6ec9a5cb5a94951e5d826d38099e41

  • SHA1

    59839c0cce78895fb4285efcf28a717d9c4d71cf

  • SHA256

    4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65

  • SHA512

    3e81c0d1d2d8ccb04092b00207638d172dea4b7c6ed2695b3274561f54b8d9209c4286e7bfc511b972606d3feff0fd451a2b72b206c581c3fe45a84c461f4151

  • SSDEEP

    24576:86m7F02/35nVAsNzcjw6IvZckjkzLSj0G2ZTrHZSymtoI5QJ:5cr/pVuiD8j7wo

Score
9/10
persistencespywarestealer

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 12 IoCs
  • Drops file in Program Files directory 18 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe
    "C:\Users\Admin\AppData\Local\Temp\4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe"
    1⤵
    • Checks computer location settings
    • 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:1780
    • C:\Users\Admin\AppData\Local\Temp\4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe
      "C:\Users\Admin\AppData\Local\Temp\4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1656
      • C:\Users\Admin\AppData\Local\Temp\4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe
        "C:\Users\Admin\AppData\Local\Temp\4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4876
    • C:\Users\Admin\AppData\Local\Temp\4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe
      "C:\Users\Admin\AppData\Local\Temp\4b37ec8267b2fb23495c5d66f905435744dc92dd854b880f12617ce056ce1e65.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\brasilian kicking trambling catfight glans penetration (Karin).rar.exe
    Filesize

    697KB

    MD5

    e62b715ace35a8df33a16111c5dab152

    SHA1

    5af5da057066aaca84d2eb64796453933393fea3

    SHA256

    8745847cbf7c17929dda4440aee7ab9f7468d0fc4efd743b87fc4e5c68fc077f

    SHA512

    1f00800944c4ac5d3ddd7ac4e04efd442d8e41832804e0013cfb3b96ee4623760d1bc8225c9be8fdadaf48071f5247597dc7c3b5dc279c33f57de876eba905dd

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