Overview

overview

9

Static

static

3

aa58c6f341...80.exe

windows7-x64

9

aa58c6f341...80.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 05:39

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General

  • Target

    aa58c6f341f46785ee871d5e73318c7d5ca981fdf0a5fc057a63c3f59a0be480.exe

  • Size

    15.3MB

  • MD5

    708b631ca4cee7708d45ee5aeddccd6d

  • SHA1

    3b69c09829aaf8b3412b511fd6d8c189cb3b62bb

  • SHA256

    aa58c6f341f46785ee871d5e73318c7d5ca981fdf0a5fc057a63c3f59a0be480

  • SHA512

    b54723d740c216a6a1277bdc16f4c979feb1c642b7b3087cbe6989a575f35f0ea8a3917f05917a339830695542331a05aa75cc9c55bfb0af81816850df04ed6a

  • SSDEEP

    196608:VZzrENt07+s5HL+qLyR66z5cC+uUGqJ3qQr2Ur5tljHkqMD+cpvJ/4H3nmghWoaf:VZVzn6FBUqa2sd5MFgXnU7sElvy

Score
9/10
evasion

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa58c6f341f46785ee871d5e73318c7d5ca981fdf0a5fc057a63c3f59a0be480.exe
    "C:\Users\Admin\AppData\Local\Temp\aa58c6f341f46785ee871d5e73318c7d5ca981fdf0a5fc057a63c3f59a0be480.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\ytool\ODBtUekZBCaNAUZ.exe
      "C:\Users\Admin\AppData\Local\Temp\aa58c6f341f46785ee871d5e73318c7d5ca981fdf0a5fc057a63c3f59a0be480.exe" "C:\Users\Admin\AppData\Local\Temp\aa58c6f341f46785ee871d5e73318c7d5ca981fdf0a5fc057a63c3f59a0be480.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3052
    • C:\Users\Admin\AppData\Local\Temp\金焱江湖.exe
      "C:\Users\Admin\AppData\Local\Temp\金焱江湖.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of SetWindowsHookEx
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log
    Filesize

    9KB

    MD5

    8d5a672032a1a505188e5e2536bbd12a

    SHA1

    3b1c12551933091365e0b9632130482b7ac8b495

    SHA256

    1a25981065c273cdca1db99c21bb429344dcceeb9f4a6e5cbfdbd7fc298df666

    SHA512

    44a3cc90dce3bfe2ce6a6d0c4b339866468c7509221b513b6dbec950a6ebab820620e25884489c8e933405401e54c99c25ce49af3b5cca88ba6ea6473dfb05bd

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  • C:\Users\Admin\AppData\Local\Temp\yjs_log\log.log
    Filesize

    3KB

    MD5

    1f0b0a19c0ac188d18f1058a7727b7c6

    SHA1

    a23702e764607746e177f4794cb83ba2cf42d24f

    SHA256

    4cb074c324fe8395613027e247183b196556492fbdcd3bc91dd9eb24ce0a933f

    SHA512

    b3693972602f87baf5c9c6fe3292a732dc7476b88c730630a85023a669e4c4adfded40ad5d6635c62bc061d37ef00068c4df41479683f8c4a12456664a839159

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  • \Users\Admin\AppData\Local\Temp\ytool\ODBtUekZBCaNAUZ.exe
    Filesize

    5.7MB

    MD5

    d8139a34276e4411b3d6a050b8e46c3a

    SHA1

    8ce1a2e8e8f208693df72c053abb026ab81dd48d

    SHA256

    526f880b30698cd71406a903a24d5e565cb5c707bd22c69537bbdbb445230b67

    SHA512

    c90c61616a3a85b345f6b1b9aefdc662d0e8ee1fc48d6fa730ed6946066e941e6cc31e649a1b4209f581fd2d38eba0035456ae26c1c6ca81a08465fe55c82d3b

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  • \Users\Admin\AppData\Local\Temp\金焱江湖.exe
    Filesize

    6.7MB

    MD5

    a27ef3ed4c04cd4513080663f99482d3

    SHA1

    d5235db91ba1b447ec87f77d8c14eb5364e7b7a0

    SHA256

    bb7c27d92289595c9c7c0c89cb2f51fd4092384965b14f4e961f9e4987564e3d

    SHA512

    b89d940e9e76bc83db8bfc4e83a116a74900ce4eeaa2ad8b4ec99f5c63c0065ca3259cbaa7006d79ee5322ec76e0427e308588fba1c0c5e28b283836763a0415

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