Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 15:03

General

  • Target

    5f20bcf65bc80712585d8680faeb5b5a9919d77340762c41e5f3f86a75fd210e.exe

  • Size

    5.5MB

  • MD5

    067f0062ade5531bf653ab04736a0c5a

  • SHA1

    e6ca5944b55f206caa4e04f363b943aa6eea08ee

  • SHA256

    5f20bcf65bc80712585d8680faeb5b5a9919d77340762c41e5f3f86a75fd210e

  • SHA512

    99960ce040d603eb8dc3124da974d0c9175bd120cf9a18e1412a1f804f83858b7218a6626ce77528145a8eec78f4b64e507b896b7c67d54b72aba4d2ffa4fd2d

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEvK7RkOEEo+A7mOk3oaCVA7m2Stw:RFQWEPnPBnEXPW

Malware Config

Signatures

  • Banload

    Banload variants download malicious files, then install and execute the files.

  • Banload family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Renames multiple (245) files with added filename extension

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

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Modifies registry class 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f20bcf65bc80712585d8680faeb5b5a9919d77340762c41e5f3f86a75fd210e.exe
    "C:\Users\Admin\AppData\Local\Temp\5f20bcf65bc80712585d8680faeb5b5a9919d77340762c41e5f3f86a75fd210e.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

    Filesize

    5.6MB

    MD5

    b6542c8141530e943c6aab1a01082760

    SHA1

    3924ff3d2c05cae5f46d7b5f6981977709f55b92

    SHA256

    a9c7d54c13a142a1b61586599019fd7e644278c57338df487444af3f63d147d7

    SHA512

    98a5f2874bcc7059110707d9f601ade04a11addbed5000d3d9385f11f690761279bd8fecbfe548565c9c16930bbd5a25af4d7626b832e0601f6a7d3c7a2ec89a

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

    Filesize

    5.7MB

    MD5

    ae4329e5319f00e233db3c56e6a51db9

    SHA1

    da4aed93d289a3d188128e1f78bd4f9f70000c42

    SHA256

    747c7cab86cbeb2cdee7ad3949d6e59f7cb570c515181a8b59acc6c2c2d4177e

    SHA512

    efbc024904493dfe9ad68b8c60b719379f0f11210163119914ea1c9a1258ba0acc38d38017831ef4f96f558a5b9a31987dc1d703e12f679cb37b5a22beafac2e

  • memory/632-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/632-2-0x00000000048B0000-0x0000000004ABC000-memory.dmp

    Filesize

    2.0MB

  • memory/632-9-0x00000000048B0000-0x0000000004ABC000-memory.dmp

    Filesize

    2.0MB

  • memory/632-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/632-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/632-14-0x00000000048B0000-0x0000000004ABC000-memory.dmp

    Filesize

    2.0MB

  • memory/632-34-0x00000000048B0000-0x0000000004ABC000-memory.dmp

    Filesize

    2.0MB

  • memory/632-80-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/632-90-0x00000000048B0000-0x0000000004ABC000-memory.dmp

    Filesize

    2.0MB