Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 15:09

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 (198) 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 25 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:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2872745919-2748461613-2989606286-1000\desktop.ini.tmp

    Filesize

    5.6MB

    MD5

    933bca93d052cfe5499e1bd52f02b76d

    SHA1

    96ab0e80cc7a0514a2b04feaea082c37755835ee

    SHA256

    c38c6f4082a3ff66bad7800a9bee3c1744d51ce263d69e1afc607c71d8d8aac7

    SHA512

    a960d5fd6667fa1dc0e3264e53a0fe9e697d8bdb425abaf2199877505398a2659b252cf5c6b82daf78e1478e6c73be2b5f79d2997c2c692b8d5545ddb2f2d863

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    5.6MB

    MD5

    4e08a31fe0521ea8854cfdca793f8898

    SHA1

    6ba82db05b6264a3cb12eba9f4d87335629a523c

    SHA256

    88be274bd786de96d8f2b90dc5c5a9760cc93cf18172a69b7caf3fa411449284

    SHA512

    03a573790cbcf8e2d0b128f461b9e8b5669a03bcec2f39948031406798bb780a7b465d86809ff1c137fbf84ce0984755caac3533553d006e210c607f36fe9957

  • memory/2464-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2464-1-0x0000000002FE0000-0x00000000031EC000-memory.dmp

    Filesize

    2.0MB

  • memory/2464-8-0x0000000002FE0000-0x00000000031EC000-memory.dmp

    Filesize

    2.0MB

  • memory/2464-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2464-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2464-13-0x0000000002FE0000-0x00000000031EC000-memory.dmp

    Filesize

    2.0MB

  • memory/2464-23-0x0000000002FE0000-0x00000000031EC000-memory.dmp

    Filesize

    2.0MB

  • memory/2464-35-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2464-39-0x0000000002FE0000-0x00000000031EC000-memory.dmp

    Filesize

    2.0MB