Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 03:50

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 2 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 13 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:1900
    • 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:668
      • C:\Windows\system32\rundll32.exe
        "C:\Users\Admin\AppData\Roaming\nsis_uns6c76f5.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBU4AN|sAVTcARQBUAHn|AE8AYgBKAGjzAHUZACwDWUiD7P8o6AQCAABIg||EKMPMzMxMif9EJBhIiVQkEN9IiUwkCFkBSIt|RCQwSIkEJH0B+zhIawAISMdEJO0QLQHrDn0BEEiD68ABiwEQfQFASDn2kgBzJZsDiwwkSP8DyEiLwUiLTPqnAVR3AAPRSIvKv4oJiAjrwWIFZd9IiwQlYPPwM8n|SItQGEg70XT|NkiDwiBIiwL|SDvCdCpmg3j|SBh1GkyLQFB|ZkGDOGt0Bw0R90t1CA0QeBAudP8FSIsA69VIi|VI+QDBZgBAU1VW|1dBVEFVQVZB|VdZAWaBOU1aTf+L+EyL8kiL2fcPhfzz8ExjSTz|QYE8CVBFAAD3D4Xq8|BBi4QJ|Yjz8IXASI08AfcPhNZmEYO8CYzuLQEPhMfz8ESLZ|8gRItfHIt3JP9Ei08YTAPhTP8D2UgD8TPJRd+FyQ+EpPPwTYv|xEGLEEUz0kj|A9OKAoTAdB1|QcHKDQ++wPYA7wFEA9C7EXXsQf+B+qr8DXx0Dv+DwQFJg8AEQf87yXNp68aLwf8PtwxORYssi39MA+t0WDPtphDfdFFBixS9ANMz|8mKAkyLwusP28HJxBEDyOEQAUH7igDREO0zwDP2z0E7DLbcEKIAg8b|AYP4CHLu6wr|SIvLQf|VSYnvBPeDxeAQxAQ7728Ycq9iAUFfQf9eQV1BXF9eXX1bLxdIgexgAWAA|4vp6Gb+||9I34XAD4SZcSBMjfqrAYsnEMgz|+ib|nkgjV8ETI1FQv8z0ovL|1QkaH58IEyL4A+EbHEgvUWkEDPAi9ONIEiviXwkIKIgcHwgSJ+L8A+ETHEgoiBQ|0iNVghEjUdA70iNjCSBEUiL2HfofP16II1WSNogtRDeIczz8Ohn6yBEn4sGjVcIPSCiIFhexiGJhCSAgxLd8|B7iw7WIFiJjCRtEewDMI0g6DHrIEyLXXc6i6wpMkiLnBYy|0yJZCQ4RI1n32xJO+xIhiAwTLuJXIABhCTcgxGG6Y7jId8g8KwTSIvTt+jn|AEwipxzMkj7jYRzMkGA8yFJ34vMRDAYoAKD6d8BdfOBvHMyIVL|ZXh1SouEJPTuHjGUJPjz8APCSP876HI1QTvUdv8wRI1JQEkr1KdBuACUAKIgQMYi+Od0F0S0ML4xSI1TfWyNIE0rxOhsgDD3SIvOoiB4SIX|53QUTIwwFzFIjUzvJEC6A|Pw|9dIM4HEcCFdJAAA
        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:892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\nsis_uns6c76f5.dll

    Filesize

    58KB

    MD5

    664e46926466a2d4c9b87540f4853c39

    SHA1

    b172d1c2bde331770b0a944fcf6a9e2d75ded66b

    SHA256

    92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

    SHA512

    1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

  • \Users\Admin\AppData\Roaming\nsis_uns6c76f5.dll

    Filesize

    58KB

    MD5

    664e46926466a2d4c9b87540f4853c39

    SHA1

    b172d1c2bde331770b0a944fcf6a9e2d75ded66b

    SHA256

    92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

    SHA512

    1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

  • \Users\Admin\AppData\Roaming\nsis_uns6c76f5.dll

    Filesize

    58KB

    MD5

    664e46926466a2d4c9b87540f4853c39

    SHA1

    b172d1c2bde331770b0a944fcf6a9e2d75ded66b

    SHA256

    92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

    SHA512

    1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

  • \Users\Admin\AppData\Roaming\nsis_uns6c76f5.dll

    Filesize

    58KB

    MD5

    664e46926466a2d4c9b87540f4853c39

    SHA1

    b172d1c2bde331770b0a944fcf6a9e2d75ded66b

    SHA256

    92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

    SHA512

    1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

  • \Users\Admin\AppData\Roaming\nsis_uns6c76f5.dll

    Filesize

    58KB

    MD5

    664e46926466a2d4c9b87540f4853c39

    SHA1

    b172d1c2bde331770b0a944fcf6a9e2d75ded66b

    SHA256

    92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

    SHA512

    1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

  • memory/668-69-0x0000000000090000-0x00000000000AD000-memory.dmp

    Filesize

    116KB

  • memory/668-76-0x0000000002600000-0x0000000003600000-memory.dmp

    Filesize

    16.0MB

  • memory/668-61-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/668-63-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/668-80-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/668-67-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/668-68-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/668-81-0x0000000000090000-0x00000000000AD000-memory.dmp

    Filesize

    116KB

  • memory/892-78-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

    Filesize

    1000KB

  • memory/892-70-0x0000000000000000-mapping.dmp

  • memory/892-83-0x0000000010000000-0x0000000010013000-memory.dmp

    Filesize

    76KB

  • memory/892-82-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

    Filesize

    1000KB

  • memory/892-79-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

    Filesize

    8KB

  • memory/892-77-0x0000000000380000-0x0000000000387000-memory.dmp

    Filesize

    28KB

  • memory/1900-56-0x00000000008A0000-0x0000000000A35000-memory.dmp

    Filesize

    1.6MB

  • memory/1900-55-0x0000000002990000-0x000000000318A000-memory.dmp

    Filesize

    8.0MB

  • memory/1900-60-0x000000000B350000-0x000000000B624000-memory.dmp

    Filesize

    2.8MB

  • memory/1900-59-0x000000000B350000-0x000000000B624000-memory.dmp

    Filesize

    2.8MB

  • memory/1900-54-0x0000000002990000-0x000000000318A000-memory.dmp

    Filesize

    8.0MB

  • memory/1900-64-0x00000000008A0000-0x0000000000A35000-memory.dmp

    Filesize

    1.6MB

  • memory/1900-57-0x00000000008A0000-0x0000000000A35000-memory.dmp

    Filesize

    1.6MB

  • memory/1900-58-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB