Analysis

  • max time kernel
    150s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 04:47

General

  • Target

    fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe

  • Size

    57KB

  • MD5

    3861436ed46aeae59b2591352d585d7a

  • SHA1

    d76cd52cb8de1f1902277ed08af6812c70ff861f

  • SHA256

    fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c

  • SHA512

    7c026f90111c7d6fa488001072014b54f8f40449f1717be2cc34ae1e26303fe04c3cbd4744216b606778b441f3d57c93955641fe71f7752e83db06c81165ddb9

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9GRtfxligi1xrligi1xp:V7Zf/FAxTWoJJ7TofxAHXAHd

Malware Config

Signatures

  • Renames multiple (5254) files with added filename extension

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

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
    "C:\Users\Admin\AppData\Local\Temp\fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

    Filesize

    57KB

    MD5

    d45fbdb1e49eaf8d0955a5cf282b5aa0

    SHA1

    7b86a3dbc4a68109acae28c84b5eafbcf40e4c83

    SHA256

    5ae7d1f5747f26cab94875c482209bc4bc3006659e51fd748da40fa12e1a8c23

    SHA512

    e6c3d0c2fdfc210642f497af6a7bf6c9ec0287d1bf24cba16108d0a482e86d0d925b5ac0c8be3fac55a66401c02040515ae466e42145172251436aee4578a8d4

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

    Filesize

    156KB

    MD5

    33a915acf1f51f6dd88a512f773d795a

    SHA1

    744de40952fccd2f4d5e1ac41cd8c0438ffddfd6

    SHA256

    849378ee514a903cd75bf71ed059b145e9d0a1dcd96d9097ac003710ae40b5d9

    SHA512

    8549e446b29f1f1ff9fc676d810b3cf75eae12f22613afae5cf8ae0f39cd3d2bdf0b56c2f8c04d1d15370c09d590e2346141e613882aa6ef02af212fe728d2c8

  • memory/3216-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3216-928-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB