Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 00:37

General

  • Target

    8d6615f905e9e105a6d7fed9bb682352d21aeb005879855997ea22ddb468f8f3.exe

  • Size

    100KB

  • MD5

    7b93b040d8539f6a541ca742d8670d8f

  • SHA1

    b3e2719d91c7637c554e1b6d9dbceab8645cc200

  • SHA256

    8d6615f905e9e105a6d7fed9bb682352d21aeb005879855997ea22ddb468f8f3

  • SHA512

    d650a3c32e28413737fa1c89d530e9b78094469fda3a98d9eb1f7a8d98b0b92a8903d44b4c2e191c48f242f21a166076dc3709886cd237394f961b637fe8cad4

  • SSDEEP

    1536:Isz1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCow8hfL:hfAIuZAIuYSMjoqtMHfhfL

Score
9/10

Malware Config

Signatures

  • Renames multiple (4846) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d6615f905e9e105a6d7fed9bb682352d21aeb005879855997ea22ddb468f8f3.exe
    "C:\Users\Admin\AppData\Local\Temp\8d6615f905e9e105a6d7fed9bb682352d21aeb005879855997ea22ddb468f8f3.exe"
    1⤵
    • Drops file in Program Files directory
    PID:3672

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3571316656-3665257725-2415531812-1000\desktop.ini.tmp
    Filesize

    100KB

    MD5

    b5c54a1dafc589d83de2ea06459dca4d

    SHA1

    193847a4b76ff6d91449f60442968f9abadd6a69

    SHA256

    2343f0f98f9ea67b659d12c284c267d39ebdca7015b72caee54e940f95580914

    SHA512

    ffe82602155440ff0bce53da4ac6266132bcc856acba42d8d44a4b798fbd3e71be1fab13223e705fb623c368a2693c23e65677c1ca821afae56661fc2c8d45fe

  • C:\Program Files\7-Zip\7-zip.dll.tmp
    Filesize

    199KB

    MD5

    cebd7dd11415aa40e529fff4ae759d4b

    SHA1

    4b0d00c29af4747478119977e5abb62fc1becbce

    SHA256

    1a2826e3188183e4ea171ecd7f70407914da70667bfff47157b1fff126b0db1b

    SHA512

    3bb18db5ff31077c8e50319c76cbedc38960e7e0190e625a53c859e4d7dfcf1fee4f046b47127f03718aa3ee8f5401acce7dc841deb117dbdf357eddfd1cb5cc

  • memory/3672-0-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/3672-918-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB