Analysis

  • max time kernel
    166s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 04:23

General

  • Target

    de7f501e4a17898e85229b962e2f43b9a20d995c8a9fe0cad4536adc8fbd9f48.exe

  • Size

    146KB

  • MD5

    8553d2d2c285b8c6d0710f1bdae1d0b4

  • SHA1

    aaa7a2b1594291c12d9b438d8a07bf368f1262a9

  • SHA256

    de7f501e4a17898e85229b962e2f43b9a20d995c8a9fe0cad4536adc8fbd9f48

  • SHA512

    c775ccb07fd6f90a366affc0d8c9b88c52bc58ae40a7784f7823cd3f327cc97ec8c6c47216fa6466f0a20cf81e05a33755d601d9fa1a50a4650178781946423c

  • SSDEEP

    1536:ozICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDjH+kxlmEoYMIcZwmirAkbI8O6C:3qJogYkcSNm9V7DL+EjoYEZL1i4T

Malware Config

Signatures

  • Renames multiple (594) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\de7f501e4a17898e85229b962e2f43b9a20d995c8a9fe0cad4536adc8fbd9f48.exe
    "C:\Users\Admin\AppData\Local\Temp\de7f501e4a17898e85229b962e2f43b9a20d995c8a9fe0cad4536adc8fbd9f48.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:956
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:512
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3924 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1904519900-954640453-4250331663-1000\IIIIIIIIIII

      Filesize

      129B

      MD5

      80bf5be53d11f41bdd8014a4060a4be7

      SHA1

      99d13940c2a54dc297963c267a30a90ad528b812

      SHA256

      15cc92498bbcea45820035923451203e6787c5773d1e249bf9ec135aa50ad26d

      SHA512

      bf5d6cd26cc10471ed8f311bb6a0783f6dd0edf549a5e1c5a0778185de5330d7060e97f66ac00190f03bfca4f5dff8624ab9c46ed300defb3d0635e08204e1f7

    • C:\JoJLDTofE.README.txt

      Filesize

      1KB

      MD5

      09e1680a7b7b2f24a426229f865b28df

      SHA1

      b11cf264858b208cfa68a0cd954d7809019ebdca

      SHA256

      64978f92ee086ffb0ccc65e85a1bfac035fc29d66d952c7b19fd13572622cfe9

      SHA512

      9f7e605b257a33a3362103cc00338f4a80ab9b6b210e7bc49865f691534d66b6c89f66ed015f5dc1ff87278cabda37074d11951f790b1e11d5ecd036ab80e7d4

    • F:\$RECYCLE.BIN\S-1-5-21-1904519900-954640453-4250331663-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      33a660f9ad1ec0f453a33a1663aed65d

      SHA1

      9743361686e1aa401ca1e6a573b1c78061815ea1

      SHA256

      5f05a2177adaa239995391103c660a86b44707f4292a3291fdc3e54e1b1b5397

      SHA512

      88ff33f9f2c27b41a35b5afabdbfc5c89247cfe2924ea834524a479aacc54131bc882a4e3bd1abcde6eecf54989ca9b28649f212aa97f6d956aadd793a4c7a48

    • memory/956-0-0x0000000002940000-0x0000000002950000-memory.dmp

      Filesize

      64KB

    • memory/956-1-0x0000000002940000-0x0000000002950000-memory.dmp

      Filesize

      64KB

    • memory/956-2-0x0000000002940000-0x0000000002950000-memory.dmp

      Filesize

      64KB

    • memory/956-2745-0x0000000002940000-0x0000000002950000-memory.dmp

      Filesize

      64KB

    • memory/956-2746-0x0000000002940000-0x0000000002950000-memory.dmp

      Filesize

      64KB

    • memory/956-2747-0x0000000002940000-0x0000000002950000-memory.dmp

      Filesize

      64KB