Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 23:09

General

  • Target

    b6a8f43ecaf81a020478e315954f4d65d9bce0e1d98635b350ac3fa1335b3df7.exe

  • Size

    693KB

  • MD5

    02b75e96d9b1ade54981ac2d077c9aef

  • SHA1

    76f9d2aa57ef9837dfa94b92463f545dbe4fc8d4

  • SHA256

    b6a8f43ecaf81a020478e315954f4d65d9bce0e1d98635b350ac3fa1335b3df7

  • SHA512

    e31f6a1e42a9daefbceb986ba2bef96c3db907e99c83c9b23ea806fc2711a6da4685200db751a323c4ae1112b23c4ce2591eed4da6efffd280eb556e1418a3a5

  • SSDEEP

    12288:l8kxNhOZElO5kkWjhD4AcGsGtAtScw3qEKB:WqEkfFN145

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 34 IoCs

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

  • Drops file in Program Files directory 6 IoCs
  • Modifies registry class 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6a8f43ecaf81a020478e315954f4d65d9bce0e1d98635b350ac3fa1335b3df7.exe
    "C:\Users\Admin\AppData\Local\Temp\b6a8f43ecaf81a020478e315954f4d65d9bce0e1d98635b350ac3fa1335b3df7.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Program Files (x86)\PVKML.EXE
      "C:\Program Files (x86)\PVKML.EXE"
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      PID:4704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\PVKML.EXE

    Filesize

    693KB

    MD5

    956a126a2ba05939872fb856d9f616b6

    SHA1

    eb711d5534426d7166a1a235ce236294173bfdc0

    SHA256

    eede4a86690564e942cc16482520d8dcb79851cbd078c5ed480a71ffc9e99125

    SHA512

    8788ae51956be0e641e457371e90d92cb3849184a1b1462dfdbfff6e7798cea294b40f3b4987489f76fcbafeb4ea4c3247c9ffb42d6cfd68c67fb213e5e6eaae

  • F:\$RECYCLE.BIN\WHNWUYG.EXE

    Filesize

    694KB

    MD5

    a6113815cefbcf09f387bb5486ad03d3

    SHA1

    b07f2e521d5924057dae81e2d5c63ff808e73edf

    SHA256

    59b7b67864e72632e1971c2f97b4870a1c1ca05f9442f40f9af297e0f87d591a

    SHA512

    1378c5d401c308078a383c2316fa89c6ec48b8e0c62898e9836f12f32b4cd918f3db404ea4e69c1b1e89e0a0c75bc25a8e206cbab35afa263d8fe3f5ba4aca8b

  • \??\c:\filedebug

    Filesize

    296B

    MD5

    c72fd472503871dd1bcc78651eb1b7a4

    SHA1

    aae6546f997f6c1d830d468badf8284ff76da54c

    SHA256

    cc6b00d19c664b1539ec7327c7dc93053c5176445e283d200210a16db8be864c

    SHA512

    5ffa0668065abd53a6ff2f0ba71ec4f1c88bfa01d666364d8ca1954c74adb6ad12dd0888d0bc57ad66881fe3818aac751a5be21498a650952b50a2cae90b768e

  • memory/1264-4-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/1264-23-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-29-0x0000000000550000-0x0000000000551000-memory.dmp

    Filesize

    4KB

  • memory/4704-24-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-28-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-22-0x0000000000550000-0x0000000000551000-memory.dmp

    Filesize

    4KB

  • memory/4704-30-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-32-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-33-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-34-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-36-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-37-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-38-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-40-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4704-41-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB