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Analysis

  • max time kernel
    134s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 23:44

General

  • Target

    2024-05-15_1edbb2b580ddb159e09aeac871e7e0a7_avoslocker.exe

  • Size

    1.3MB

  • MD5

    1edbb2b580ddb159e09aeac871e7e0a7

  • SHA1

    40f83597be62616ea0611a5844cd55820c1ce469

  • SHA256

    39ee390a79d4900701a9c1542dee39982da18b9dbb324d6685504a4bf7166d9d

  • SHA512

    26716f461240d71f2a065791e340858787948de3eec01f80970ef4161a34c93c7556cab219cbbce27540a310a93349c70fe28317d11fafd6f3a441c9ecb86ef8

  • SSDEEP

    24576:p2zEYytjjqNSlhvpfQiIhKPtehfQwM9qySkbgedw6LaRFdGJm0Q3WKVSwdr13Ekb:pPtjtQiIhUyQj1SkFdw6KFdi2Ga9x3EJ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-15_1edbb2b580ddb159e09aeac871e7e0a7_avoslocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-15_1edbb2b580ddb159e09aeac871e7e0a7_avoslocker.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4400
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\System32\alg.exe

    Filesize

    1.3MB

    MD5

    ecf8d80c11d41fa548378cb69171e07e

    SHA1

    fcc4f1f1aa5a00eb5a1f9afc893c1741d85339ea

    SHA256

    1c753d5fa6345ea8b2d0c2259239af911090d08ee32683cbef3573ab130ac056

    SHA512

    fd9bbb70b18fe30be990a62286458b9b8bd80f8ba992c77dfa65f06dafee340b31729e8f900c299dfe9d06ca343c9bc206a19690a2eee9ba62d236a01e0a5709

  • memory/2280-17-0x0000000140000000-0x00000001401E5000-memory.dmp

    Filesize

    1.9MB

  • memory/2280-19-0x0000000140000000-0x00000001401E5000-memory.dmp

    Filesize

    1.9MB

  • memory/4400-0-0x0000000000400000-0x0000000000554000-memory.dmp

    Filesize

    1.3MB

  • memory/4400-1-0x0000000002290000-0x00000000022F7000-memory.dmp

    Filesize

    412KB

  • memory/4400-6-0x0000000002290000-0x00000000022F7000-memory.dmp

    Filesize

    412KB

  • memory/4400-18-0x0000000000400000-0x0000000000554000-memory.dmp

    Filesize

    1.3MB