Overview

overview

7

Static

static

3

7z2401-x64.exe

windows11-21h2-x64

7

Analysis

  • max time kernel
    78s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    31/10/2024, 00:19

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General

  • Target

    7z2401-x64.exe

  • Size

    1.5MB

  • MD5

    de644b4e1086f1315c422f359133543b

  • SHA1

    54be86d121879b0e5d86604297c57a926d665fa8

  • SHA256

    17a507cce4066c4be7db53d64d9a9e11dfecfd4f2411393690506e591b5895cd

  • SHA512

    714d41254352d91834a4b648d613e9b4452b93b097b5781ec5bf3ec7c310a489d3a1c409b2f0a6946822b96f6943b579910d26a5f4324b320d485e856dbdcb1a

  • SSDEEP

    49152:8yEuRNRgYQYk6tC0tkaNuiXatTQY7quUncuTVyvn65:8yEoL7tCzlqLcuBz5

Score
7/10
discoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

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

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

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

  • 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.

    discovery
  • Modifies registry class 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7z2401-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\7z2401-x64.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:3388
  • C:\Program Files\7-Zip\7zG.exe
    "C:\Program Files\7-Zip\7zG.exe" a -i#7zMap2501:90:7zEvent14872 -tzip -sae -- "C:\Users\Admin\Desktop\CheckpointStart.zip"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4856
  • C:\Program Files\7-Zip\7zG.exe
    "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\" -an -ai#7zMap3123:88:7zEvent21501
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    99KB

    MD5

    0bb139023eb3e17dedf9780a66e99a1a

    SHA1

    da841883ee156ffb2c1718e6aa20d30d4d578691

    SHA256

    0cdacb5eb70ca2b16ab333ee870983750103865fedb167c9d6068019b8197a4f

    SHA512

    ff9c15ac88bb233d9dd1dfb66a0dd9df5d87e7ae0ca282a6223fcd2ee69896056f330d9af6a4a7f913f9ed97b5bf77e8adfaa43270a7e39eaa91d039cb8f445d

    Download Submit

  • C:\Program Files\7-Zip\7z.dll
    Filesize

    1.8MB

    MD5

    325164288f23ccfff4891b050bf4a43e

    SHA1

    c6a2ded962d39a62da3878408fe0e3354938f81d

    SHA256

    1af1b530f6295207f719697184d4ab5587e2f11586da4564ce352a743e7b8ccb

    SHA512

    ce7765a689b15c85ee95394422a9a93d36ca803b89246edfdfcf86969b1227b52e99e7e029e5e52741f3bb41c0b8b7463e92e9f4ef7439a40e1cb70c79cade3c

    Download Submit

  • C:\Program Files\7-Zip\7zG.exe
    Filesize

    682KB

    MD5

    780f46e18996e23a6bdc80b21618938d

    SHA1

    2278065b8324efa4a8d92f6b015bc58d5319f26c

    SHA256

    b126a83eeab06947c6babf0be8e469274585218ffc2dab5a6d650e5dbc4e58be

    SHA512

    a6c6ba2ccfc9dc6d813423ad04945fe664140d8c28906e1f4f59f8b300ff553a0747e0d7ab22ef4bb727b038f8282fe013a494fb9799f7a2c59445fd19124d4b

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  • C:\Users\Admin\Desktop\CheckpointStart.zip
    Filesize

    15KB

    MD5

    388339f582094363663e338006d448c0

    SHA1

    2a42d311890635db2f7e26ad4f4c57e79e924e57

    SHA256

    2066da8c63a4dfcdff0318c6be6eb4ffde216412031426bdd7c18565b93a5113

    SHA512

    de2d7d68330b31765d17dda50223bc5bc2484bc883c14b0d75364da961ccd1765085831c530096355faee45bf82ab4866664bd58e2d0cd2c322b4ea0204ff66b

    Download Submit