Analysis

  • max time kernel
    114s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    10-05-2023 08:08

General

  • Target

    7z2201-x64.exe

  • Size

    1.5MB

  • MD5

    a6a0f7c173094f8dafef996157751ecf

  • SHA1

    c0dcae7c4c80be25661d22400466b4ea074fc580

  • SHA256

    b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4

  • SHA512

    965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94

  • SSDEEP

    24576:mGIyixBMj+/A2d+UKnvT+LwZWj7iDDVVYrz0rbzGTw3DoA/sk6smE:mGbj+/BpKnvyIxVV/XDoAfmE

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7z2201-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\7z2201-x64.exe"
    1⤵
    • Registers COM server for autorun
    • Drops file in Program Files directory
    • Modifies registry class
    PID:1976
  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\7zFM.exe

    Filesize

    935KB

    MD5

    d36deceeb4c9645aab2ded86608d090b

    SHA1

    912f4658c4b046fbadd084912f9126cb1ae3737b

    SHA256

    018d74ff917692124dee0a8a7e6302aecd219d79b049ad95f2f4eedea41b4a45

    SHA512

    9752a9e57dd2e6cd454ba6c2d041d884369734c2b62c53d3ec4854731c398cd6e25ac75f7a55cda9d4b4c2efb074cb2e6efcbf3080cd8cc7d9bc8c9a25f62ff2

  • C:\Program Files\7-Zip\7zFM.exe

    Filesize

    935KB

    MD5

    d36deceeb4c9645aab2ded86608d090b

    SHA1

    912f4658c4b046fbadd084912f9126cb1ae3737b

    SHA256

    018d74ff917692124dee0a8a7e6302aecd219d79b049ad95f2f4eedea41b4a45

    SHA512

    9752a9e57dd2e6cd454ba6c2d041d884369734c2b62c53d3ec4854731c398cd6e25ac75f7a55cda9d4b4c2efb074cb2e6efcbf3080cd8cc7d9bc8c9a25f62ff2

  • C:\Program Files\7-Zip\Lang\es.txt

    Filesize

    9KB

    MD5

    5a449308a0176d6401181bef4af13765

    SHA1

    9d8bc3e801bcfb43c7dbfab94ab91a4079a2070f

    SHA256

    7dddae25296f14c1f45ac032d9c950c3a8d39a41489f9d2b06000edcfa7a6660

    SHA512

    2aebd25219b12d88bdf7a4a1b90b6b13b4ed5d4215e15d2316494c56b7d696eeb3252478200bcf0d84160d11979f5a71c72ca110dd3e28e901cfdb13255c45b0