Analysis

  • max time kernel
    326s
  • max time network
    331s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 22:18

General

  • Target

    c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe

  • Size

    2.9MB

  • MD5

    a5f6fe293b8bf48e9dcdbcfb706e82ec

  • SHA1

    fed1b5dc772776a7ce9c973783f8f28312ae4568

  • SHA256

    c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45

  • SHA512

    a1bf36d02872193974ced1c0d46ac58eecade0ea9d4b4f8e75906f94f00b7f3060db113b018214c8f6282011acef8f954614712f700a62b2dd62b85ba9387ec0

  • SSDEEP

    49152:vnTlyRcDAG06K7UgbTCsj8uKYRQQf73eSLiGfyJuvDgT4yr:7lWcDAP7LbhjrH+fuvD1yr

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
    "C:\Users\Admin\AppData\Local\Temp\c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
        PID:1520
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:560
        • C:\Windows\system32\rundll32.exe
          "C:\Users\Admin\AppData\Roaming\nsis_uns6d91e4.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBWgASvsANxsANABxAE3|ADgATgBaAEW|AEsAOQBMLQJZ|0iD7CjoBAIA|wBIg8Qow8zM|8xMiUQkGEiJ|1QkEEiJTCQI|lkBSItEJDBIidsEJH0BOEhrAAhIb8dEJBAtAesOfQFfEEiDwAGLARB9AbdASDmSAHMlmwOL|wwkSAPISIvB10iLTKcBVHcAA9H|SIvKigmICOv9wWIFZUiLBCVg|vPwM8lIi1AYSP870XQ2SIPCIP9IiwJIO8J0Kv9mg3hIGHUaTP+LQFBmQYM4a7t0Bw0RS3UIDRB4|xAudAVIiwDrr9VIi0j5AMFmAED|U1VWV0FUQVXvQVZBV1kBZoE5|01aTYv4TIvyv0iL2Q+F|PPwTP9jSTxBgTwJUL9FAAAPherz8EHvi4QJiPPwhcBIv408AQ+E1mYRg3e8CYwtAQ+Ex|Pw|0SLZyBEi18c|4t3JESLTxhM|wPhTAPZSAPx|zPJRYXJD4Sk|vPwTYvEQYsQRf8z0kgD04oChP|AdB1BwcoND3u+wPYAAUQD0LsR|3XsQYH6qvwN|3x0DoPBAUmD|8AEQTvJc2nr|8aLwQ+3DE5F|4ssi0wD63RY+zPtphB0UUGLFP69ANMzyYoCTIvfwusPwcnEEQPI3uEQAUGKANEQ7TN|wDP2QTsMttwQ|qIAg8YBg|gIcv|u6wpIi8tB|3|VSYkE94PF4BB|xAQ7bxhyr2IB|0FfQV5BXUFc719eXVsvF0iB7PtgAWAAi+noZv7|||9IhcAPhJnWcSBMjasBiycQyDP3|+ibeSCNXwRM|41FQjPSi8v|91QkaHwgTIvgD+uEbHEgRaQQM8CLfdONIEiJfCQgoiD9cHwgSIvwD4RM|HEgoiBQSI1WCER|jUdASI2MJIERv0iL2Oh8|XogjatWSNogEN4hzPPw6P1n6yBEiwaNVwj0PSCiIFjGIYmEJIDagxLd8|CLDtYgWIljjCRtEQMwjSDoMesgv0yLXTqLrCkySPuLnBYyTIlkJDj|RI1nbEk77EjehiAwTIlcgAGEJE3cgxGGjuMh3yDwrBO|SIvT6Of8ATCK3ZxzMkiNhHMyQYD|8yFJi8xEMBj+oAKD6QF184G8|nMyIVJleHVKi3eEJPQeMZQk+PPw|wPCSDvocjVB|zvUdjBEjUlAP0kr1EG4AJQAoiA9QMYi+HQXRLQwvjHvSI1TbI0gTSvEu+hsgDBIi86iIHg|SIX|dBRMjDAXMX9IjUwkQLoD8|Cf|9dIgcRwIV0kAAEA
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Accesses Microsoft Outlook profiles
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • outlook_office_path
          • outlook_win_path
          PID:676

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\nsis_uns6d91e4.dll

      Filesize

      58KB

      MD5

      664e46926466a2d4c9b87540f4853c39

      SHA1

      b172d1c2bde331770b0a944fcf6a9e2d75ded66b

      SHA256

      92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

      SHA512

      1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

    • \Users\Admin\AppData\Roaming\nsis_uns6d91e4.dll

      Filesize

      58KB

      MD5

      664e46926466a2d4c9b87540f4853c39

      SHA1

      b172d1c2bde331770b0a944fcf6a9e2d75ded66b

      SHA256

      92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

      SHA512

      1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

    • \Users\Admin\AppData\Roaming\nsis_uns6d91e4.dll

      Filesize

      58KB

      MD5

      664e46926466a2d4c9b87540f4853c39

      SHA1

      b172d1c2bde331770b0a944fcf6a9e2d75ded66b

      SHA256

      92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

      SHA512

      1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

    • \Users\Admin\AppData\Roaming\nsis_uns6d91e4.dll

      Filesize

      58KB

      MD5

      664e46926466a2d4c9b87540f4853c39

      SHA1

      b172d1c2bde331770b0a944fcf6a9e2d75ded66b

      SHA256

      92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

      SHA512

      1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

    • \Users\Admin\AppData\Roaming\nsis_uns6d91e4.dll

      Filesize

      58KB

      MD5

      664e46926466a2d4c9b87540f4853c39

      SHA1

      b172d1c2bde331770b0a944fcf6a9e2d75ded66b

      SHA256

      92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

      SHA512

      1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

    • memory/560-77-0x00000000023B0000-0x00000000033B0000-memory.dmp

      Filesize

      16.0MB

    • memory/560-70-0x0000000000090000-0x00000000000AD000-memory.dmp

      Filesize

      116KB

    • memory/560-80-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/560-62-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/560-64-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/560-81-0x0000000000090000-0x00000000000AD000-memory.dmp

      Filesize

      116KB

    • memory/560-68-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/560-69-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/676-78-0x00000000003A0000-0x00000000003A7000-memory.dmp

      Filesize

      28KB

    • memory/676-71-0x0000000000000000-mapping.dmp

    • memory/676-85-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/676-84-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

      Filesize

      1000KB

    • memory/676-83-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

      Filesize

      1000KB

    • memory/676-82-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp

      Filesize

      8KB

    • memory/676-79-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

      Filesize

      1000KB

    • memory/1676-57-0x0000000075C81000-0x0000000075C83000-memory.dmp

      Filesize

      8KB

    • memory/1676-54-0x0000000002440000-0x0000000002C3A000-memory.dmp

      Filesize

      8.0MB

    • memory/1676-58-0x000000000EB50000-0x000000000EE24000-memory.dmp

      Filesize

      2.8MB

    • memory/1676-56-0x0000000002280000-0x0000000002415000-memory.dmp

      Filesize

      1.6MB

    • memory/1676-55-0x0000000002440000-0x0000000002C3A000-memory.dmp

      Filesize

      8.0MB

    • memory/1676-59-0x0000000002440000-0x0000000002C3A000-memory.dmp

      Filesize

      8.0MB

    • memory/1676-60-0x0000000002280000-0x0000000002415000-memory.dmp

      Filesize

      1.6MB

    • memory/1676-61-0x000000000EB50000-0x000000000EE24000-memory.dmp

      Filesize

      2.8MB

    • memory/1676-66-0x0000000002280000-0x0000000002415000-memory.dmp

      Filesize

      1.6MB