Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2024, 00:51

General

  • Target
    a1177db81353538a527431da615287d1d2dd5e40609d8341fafc97f549688ea7.exe
  • Size 161KB
  • Sample240616-a7yn5sscmf
  • SHA256 a1177db81353538a527431da615287d1d2dd5e40609d8341fafc97f549688ea7
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (4895) files with added filename extension

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

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1177db81353538a527431da615287d1d2dd5e40609d8341fafc97f549688ea7.exe
    "C:\Users\Admin\AppData\Local\Temp\a1177db81353538a527431da615287d1d2dd5e40609d8341fafc97f549688ea7.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Users\Admin\AppData\Local\Temp\_desktop.ini.exe
      "_desktop.ini.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4972
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4644
  • 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 --field-trial-handle=4408,i,6870419347051655189,5491911050420577193,262144 --variations-seed-version --mojo-platform-channel-handle=4192 /prefetch:8
    1⤵
      PID:3864

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini.exe.tmp

          • Path C:\$Recycle.Bin\S-1-5-21-3665033694-1447845302-680750983-1000\desktop.ini.exe.tmp
          • Size 161KB
          • SHA256 1de077ec6cfae4b1564d545e72feb4750f689e8029a99d5ac183d68087c97a87
          • MD5 SHA1 SHA512 SSDEEP

          desktop.ini.tmp

          • Path C:\$Recycle.Bin\S-1-5-21-3665033694-1447845302-680750983-1000\desktop.ini.tmp
          • Size 83KB
          • SHA256 cb2314b2f4056e13edd7704bcf0c33d19bcc825feab423479f15cbb190bf71aa
          • MD5 SHA1 SHA512 SSDEEP

          7-zip.chm.exe

          • Path C:\Program Files\7-Zip\7-zip.chm.exe
          • Size 195KB
          • SHA256 2ba9b8d750bfa3f260abb515e2d01713e75d9ea8ffdb8e568f07e6599faaa285
          • MD5 SHA1 SHA512 SSDEEP

          7-zip.dll.exe

          • Path C:\Program Files\7-Zip\7-zip.dll.exe
          • Size 182KB
          • SHA256 e051cd0d4583a9da0c0436b9cc3dfe80f64a147c263d7416cf04cbb24d2a5ee2
          • MD5 SHA1 SHA512 SSDEEP

          7-zip32.dll.exe

          • Path C:\Program Files\7-Zip\7-zip32.dll.exe
          • Size 148KB
          • SHA256 9c7409738f3655016e93d033a7ce8e24c4f88911c5c6b5717fc53d78176373fe
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll.tmp

          • Path C:\Program Files\7-Zip\7z.dll.tmp
          • Size 1.8MB
          • SHA256 443b5be5782f1bae9d3c4ba9a238d2500b0ddc882a8b21bf65bd1a7146e51c58
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Program Files\7-Zip\7z.exe
          • Size 627KB
          • SHA256 a9a66f548743c5dd336392688782ff5811e6a9cb0e5f3ab5256a20e00e16f0f0
          • MD5 SHA1 SHA512 SSDEEP

          7zFM.exe.tmp

          • Path C:\Program Files\7-Zip\7zFM.exe.tmp
          • Size 816KB
          • SHA256 ac8c3da4cd89ff598afe12e3d8d58d9d63b674d5a106dd763f261b672e5cafa1
          • MD5 SHA1 SHA512 SSDEEP

          7zG.exe.tmp

          • Path C:\Program Files\7-Zip\7zG.exe.tmp
          • Size 767KB
          • SHA256 154673fe66d5c32b0774af6edb36cde9178e1896599799a5d475a2a692f74eac
          • MD5 SHA1 SHA512 SSDEEP

          af.txt.exe

          • Path C:\Program Files\7-Zip\Lang\af.txt.exe
          • Size 93KB
          • SHA256 005d01a55f5d8741e83732ba8377d21556601795ac51d4bfe096ce425ba47ced
          • MD5 SHA1 SHA512 SSDEEP

          az.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
          • Size 92KB
          • SHA256 c1bbc2c32c08be5f6570d6ba250fab62f25164ba16dfe0a61346e842d7ad5735
          • MD5 SHA1 SHA512 SSDEEP

          ba.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ba.txt.tmp
          • Size 88KB
          • SHA256 d5255c833603010a31638ef51142261c2138687b50d8db63d0134a997a9a470c
          • MD5 SHA1 SHA512 SSDEEP

          be.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\be.txt.tmp
          • Size 94KB
          • SHA256 1ac358814b39742c9fb5c808280f2522076df103064af2cdb4940af6c63e2001
          • MD5 SHA1 SHA512 SSDEEP

          bg.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\bg.txt.tmp
          • Size 96KB
          • SHA256 23ab7e203be173425142fd51f62ab0f1efdfd0e15e7516ac9f75bb40fa25fb28
          • MD5 SHA1 SHA512 SSDEEP

          bn.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
          • Size 92KB
          • SHA256 ef3b1681ffb4860aa145c9e0c6868f0342f3ec784f60d84345fbeb373f3b9e49
          • MD5 SHA1 SHA512 SSDEEP

          br.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
          • Size 83KB
          • SHA256 6388ae9d9b0fe82e122452ca6cf5b47e48fbc191ea49531446b75ad50b413264
          • MD5 SHA1 SHA512 SSDEEP

          ca.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
          • Size 86KB
          • SHA256 b811d75b58830a693558fd77687a4625c6de0129ee3ad292c464f2eecfa33892
          • MD5 SHA1 SHA512 SSDEEP

          cy.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
          • Size 77KB
          • SHA256 f5300bd7623a35c9df09a70a380ef9f0c106cfbb62d0df8aa2e87f11a41b7139
          • MD5 SHA1 SHA512 SSDEEP

          da.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
          • Size 91KB
          • SHA256 45838500a2a7c9f47d2a813238f92433e38733fc7ad7946f2b4294539094aafa
          • MD5 SHA1 SHA512 SSDEEP

          de.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
          • Size 92KB
          • SHA256 3424c04ab2bdfedc38a538b73a640987a44dfb407dbcd87db37a4b81d363e400
          • MD5 SHA1 SHA512 SSDEEP

          el.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
          • Size 99KB
          • SHA256 390dc6efa1b16f3dd892e0f5699c9a7641d76bf5d595c0c69f93961f60d0f8aa
          • MD5 SHA1 SHA512 SSDEEP

          en.ttt.tmp

          • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
          • Size 91KB
          • SHA256 3ff928253c391ddc27c0b5fc725df1027ec245e632cd325c73167bfb57ecafd0
          • MD5 SHA1 SHA512 SSDEEP

          es.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
          • Size 93KB
          • SHA256 3a1a976910a6deaf1d0054e96fc0080467d1b093bfa12b775f211a2b70298542
          • MD5 SHA1 SHA512 SSDEEP

          eu.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
          • Size 91KB
          • SHA256 3d2acb1e7b2140f8385f81aa2b591c0fe08ce20f9aceba32d7aa5e133222e440
          • MD5 SHA1 SHA512 SSDEEP

          ext.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
          • Size 85KB
          • SHA256 fe1473708a7212333aca503a4cbb62d70b4227b97203100383ee0ac92c29a959
          • MD5 SHA1 SHA512 SSDEEP

          fa.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
          • Size 91KB
          • SHA256 4a57a1cd18332da886c3a9a043a0d54474b45d88622a8c8e066394c26bbc0786
          • MD5 SHA1 SHA512 SSDEEP

          fi.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
          • Size 92KB
          • SHA256 f4857a18e3586c64c4ce095ab2a2a194dad995965ea35308cdb83aff0037e40b
          • MD5 SHA1 SHA512 SSDEEP

          fr.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
          • Size 92KB
          • SHA256 7c2d5fa25c9ca73ca841482988d74facb01a79b88863ae5613a9e8699292f5f9
          • MD5 SHA1 SHA512 SSDEEP

          fur.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fur.txt.tmp
          • Size 90KB
          • SHA256 975f93fe16761267bc65fdc7b379c62494534d3c76004390736c98b067b6e866
          • MD5 SHA1 SHA512 SSDEEP

          fy.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
          • Size 89KB
          • SHA256 c19d47974e38b286c80432a25fb2aa785f2cc55cdc12c673037c69b9cce39506
          • MD5 SHA1 SHA512 SSDEEP

          ga.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
          • Size 77KB
          • SHA256 afb7dd3e2c622e95e18ddca0743ff5a9bb1a9f134abd83dcf98fbf13e4d72a5e
          • MD5 SHA1 SHA512 SSDEEP

          gu.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
          • Size 100KB
          • SHA256 5c532984d9e975328138a42f22ea0dd35259e54ad04f1b6e8c259d489d808e17
          • MD5 SHA1 SHA512 SSDEEP

          hi.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
          • Size 95KB
          • SHA256 d517a0d844ee0cdfecf8d41535634fefad53f92e39e46df0afbb02dd38cb1ba4
          • MD5 SHA1 SHA512 SSDEEP

          hy.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\hy.txt.tmp
          • Size 91KB
          • SHA256 4be98fafd0ff908616d1d72e8b0ec3ce44ababf89eeab216cbc96da1dba5ed20
          • MD5 SHA1 SHA512 SSDEEP

          id.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
          • Size 91KB
          • SHA256 f72be49fc04662538b637c996ddcd512d5264a0805170800b293eff663c57681
          • MD5 SHA1 SHA512 SSDEEP

          io.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
          • Size 87KB
          • SHA256 09f5f6324c5493c0c3be73c6334677e3cf9b42c221299b31beb49b9d9e0d15c3
          • MD5 SHA1 SHA512 SSDEEP

          is.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
          • Size 91KB
          • SHA256 15927171c0b253953315c7143891ce75074014bf7986037e84802cf239a8710a
          • MD5 SHA1 SHA512 SSDEEP

          it.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
          • Size 68KB
          • SHA256 ac899c03394904cbdcf04fef629485a285219b401cf4da34c67682aae971e511
          • MD5 SHA1 SHA512 SSDEEP

          it.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
          • Size 92KB
          • SHA256 6bd820e1383eda5527555fc25fe4da2fa82ecefdfc0d2fa7db4a9267d2a0c6ee
          • MD5 SHA1 SHA512 SSDEEP

          ja.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
          • Size 89KB
          • SHA256 c8ec6c1d0ec7b96d6669e53fdeb27918e16ed3086737906dc6201558e471b1ae
          • MD5 SHA1 SHA512 SSDEEP

          kaa.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
          • Size 85KB
          • SHA256 aa08a03a8d124b7afd3dbb541ad3bf6673d169d8f5cbff054ae8ebd4560644b7
          • MD5 SHA1 SHA512 SSDEEP

          kab.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
          • Size 91KB
          • SHA256 e21626fe56ea16baf1163cca2e5c1ecf761c25b2e0eaee9da07f17ef514366c5
          • MD5 SHA1 SHA512 SSDEEP

          ko.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ko.txt.tmp
          • Size 93KB
          • SHA256 0a264e6b8db87d8dbe738abe506fec4b561dec89e03907c00dc1f3f385fc8e34
          • MD5 SHA1 SHA512 SSDEEP

          ku.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
          • Size 88KB
          • SHA256 d568c6a8836cb5db99570972555115ce1f8990ca71c4fba4fef8bdd761cc5911
          • MD5 SHA1 SHA512 SSDEEP

          lij.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
          • Size 85KB
          • SHA256 c3983d3b664ee020a1786048e5d1b2f7518ce29aea29ebbdb5e8693327c32704
          • MD5 SHA1 SHA512 SSDEEP

          lv.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
          • Size 88KB
          • SHA256 8f7de58bad74a4b2ca9bc7221731a9a862d230381614f4db41ae1be8844a2d0c
          • MD5 SHA1 SHA512 SSDEEP

          mk.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
          • Size 91KB
          • SHA256 4e2e48c8da193dd56d5f1a999f95c0a4dc6ff18d046aabd0935b48716a27d2b5
          • MD5 SHA1 SHA512 SSDEEP

          mn.txt.tmp

          • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
          • Size 91KB
          • SHA256 d91fa17238df8b94605d05bd0299dc40786a23896c8c57254a24e282be6983a1
          • MD5 SHA1 SHA512 SSDEEP

          descript.ion.tmp

          • Path C:\Program Files\7-Zip\descript.ion.tmp
          • Size 83KB
          • SHA256 cd146e44df9c0df13b561aa1228a568bfbac57071e81c1f2c1e8f757705f88c1
          • MD5 SHA1 SHA512 SSDEEP

          api-ms-win-core-memory-l1-1-0.dll.tmp

          • Path C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-memory-l1-1-0.dll.tmp
          • Size 95KB
          • SHA256 55e5165361ab267e4869b98eebd99b6db2afc9650df670c115bbe71a8718f8ec
          • MD5 SHA1 SHA512 SSDEEP

          _desktop.ini.exe

          • Path C:\Users\Admin\AppData\Local\Temp\_desktop.ini.exe
          • Size 83KB
          • SHA256 c72a8ecec8344cf8ff77ae0c7b3c1298bac0af6b53d5b18cb31ea15ae7cf74cd
          • MD5 SHA1 SHA512 SSDEEP

          Zombie.exe

          • Path C:\Windows\SysWOW64\Zombie.exe
          • Size 77KB
          • SHA256 57fb26202c7f1fad90a97aa541c55589a4f68ddb2a7999e243848fe1ac3410bf
          • MD5 SHA1 SHA512 SSDEEP

          libsmartscreen.dll.exe

          • Path C:\libsmartscreen.dll.exe
          • Size 83KB
          • SHA256 04eb50c8926d54d4f3695e733fc786c82293bc251120265f376e2410bc192cc8
          • MD5 SHA1 SHA512 SSDEEP