Overview

overview

10

Static

static

AppResolver.hta.dll

windows7_x64

1

AppResolver.hta.dll

windows10_x64

10

Resubmissions

05-01-2022 17:38

220105-v74klsahdm 10

05-01-2022 14:49

220105-r617baagbm 1

Analysis

  • max time kernel
    91s
  • max time network
    94s
  • platform
    windows10_x64
  • resource
    win10-es-20211208
  • submitted
    05-01-2022 17:38

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General

  • Target

    AppResolver.hta.dll

  • Size

    569KB

  • MD5

    5ce59cd58a34bc0530e398330013ee77

  • SHA1

    f3b3cf03801527c24f9059f475a9d87e5392dae9

  • SHA256

    950ad539dfc8e16c07d24dbb37ae19daa0b2f32164ba0cb3c81fa7e689f274e1

  • SHA512

    3becd68796eca598703b02864e176e3ceebee796c51802ec3f09710af760993942ad0c1632a2656034f94e1cab988d8c652c97b5956d311ce07a9195d9363a9b

Score
10/10
persistence

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 3 IoCs
    persistence
  • Registers COM server for autorun 1 TTPs
    persistence
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\AppResolver.hta.dll,#1
    1⤵
      PID:4036
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\StandaloneUpdater\OneDriveSetup.exe
      C:\Users\Admin\AppData\Local\Microsoft\OneDrive\StandaloneUpdater\OneDriveSetup.exe /update /peruser /childprocess /extractFilesWithLessThreadCount /renameReplaceOneDriveExe /renameReplaceODSUExe /removeNonCurrentVersions /enableODSUReportingMode
      1⤵
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe
        "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies registry class
        PID:1852

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Change Default File Association

    1
    T1042

    Registry Run Keys / Startup Folder

    2
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    3
    T1112

    Credential Access

    Discovery

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe
      MD5

      57bd9bd545af2b0f2ce14a33ca57ece9

      SHA1

      15b4b5afff9abba2de64cbd4f0989f1b2fbc4bf1

      SHA256

      a3a4b648e4dcf3a4e5f7d13cc3d21b0353e496da75f83246cc8a15fada463bdf

      SHA512

      d134f9881312ddbd0d61f39fd62af5443a4947d3de010fef3b0f6ebf17829bd4c2f13f6299d2a7aad35c868bb451ef6991c5093c2809e6be791f05f137324b39

      Download Submit
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\LoggingPlatform.DLL
      MD5

      4ffef06099812f4f86d1280d69151a3f

      SHA1

      e5da93b4e0cf14300701a0efbd7caf80b86621c3

      SHA256

      d5a538a0a036c602492f9b2b6f85de59924da9ec3ed7a7bbf6ecd0979bee54d3

      SHA512

      d667fd0ae46039914f988eb7e407344114944a040468e4ec5a53d562db2c3241737566308d8420bb4f7c89c6ef446a7881b83eaac7daba3271b81754c5c0f34a

      Download Submit
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\MSVCP140.dll
      MD5

      ce8a66d40621f89c5a639691db3b96b4

      SHA1

      b5f26f17ddd08e1ba73c57635c20c56aaa46b435

      SHA256

      545bb4a00b29b4b5d25e16e1d0969e99b4011033ce3d1d7e827abef09dd317e7

      SHA512

      85fc18e75e4c7f26a2c83578356b1947e12ec002510a574da86ad62114f1640128e58a6858603189317c77059c71ac0824f10b6117fa1c83af76ee480d36b671

      Download Submit
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\Telemetry.dll
      MD5

      50ea1cd5e09e3e2002fadb02d67d8ce6

      SHA1

      c4515f089a4615d920971b28833ec739e3c329f3

      SHA256

      414f6f64d463b3eb1e9eb21d9455837c99c7d9097f6bb61bd12c71e8dce62902

      SHA512

      440ededc1389b253f3a31c4f188fda419daf2f58096cf73cad3e72a746bdcde6bde049ce74c1eb521909d700d50fbfddbf802ead190cd54927ea03b5d0ce81b3

      Download Submit
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\UpdateRingSettings.dll
      MD5

      037df27be847ef8ab259be13e98cdd59

      SHA1

      d5541dfa2454a5d05c835ec5303c84628f48e7b2

      SHA256

      9fb3abcafd8e8b1deb13ec0f46c87b759a1cb610b2488052ba70e3363f1935ec

      SHA512

      7e1a04368ec469e4059172c5b44fd08d4ea3d01df98bfd6d4cc91ac45f381862ecf89fe9c6bedce985a12158d840cd6cfa06ce9d22466fbf6110140465002205

      Download Submit
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\VCRUNTIME140.dll
      MD5

      cefcd5d1f068c4265c3976a4621543d4

      SHA1

      4d874d6d6fa19e0476a229917c01e7c1dd5ceacd

      SHA256

      c79241aec5e35cba91563c3b33ed413ce42309f5145f25dc92caf9c82a753817

      SHA512

      d934c43f1bd47c5900457642b3cbdcd43643115cd3e78b244f3a28fee5eea373e65b6e1cb764e356839090ce4a7a85d74f2b7631c48741d88cf44c9703114ec9

      Download Submit
    • \Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\LoggingPlatform.dll
      MD5

      4ffef06099812f4f86d1280d69151a3f

      SHA1

      e5da93b4e0cf14300701a0efbd7caf80b86621c3

      SHA256

      d5a538a0a036c602492f9b2b6f85de59924da9ec3ed7a7bbf6ecd0979bee54d3

      SHA512

      d667fd0ae46039914f988eb7e407344114944a040468e4ec5a53d562db2c3241737566308d8420bb4f7c89c6ef446a7881b83eaac7daba3271b81754c5c0f34a

      Download Submit
    • \Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\Telemetry.dll
      MD5

      50ea1cd5e09e3e2002fadb02d67d8ce6

      SHA1

      c4515f089a4615d920971b28833ec739e3c329f3

      SHA256

      414f6f64d463b3eb1e9eb21d9455837c99c7d9097f6bb61bd12c71e8dce62902

      SHA512

      440ededc1389b253f3a31c4f188fda419daf2f58096cf73cad3e72a746bdcde6bde049ce74c1eb521909d700d50fbfddbf802ead190cd54927ea03b5d0ce81b3

      Download Submit
    • \Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\UpdateRingSettings.dll
      MD5

      037df27be847ef8ab259be13e98cdd59

      SHA1

      d5541dfa2454a5d05c835ec5303c84628f48e7b2

      SHA256

      9fb3abcafd8e8b1deb13ec0f46c87b759a1cb610b2488052ba70e3363f1935ec

      SHA512

      7e1a04368ec469e4059172c5b44fd08d4ea3d01df98bfd6d4cc91ac45f381862ecf89fe9c6bedce985a12158d840cd6cfa06ce9d22466fbf6110140465002205

      Download Submit
    • \Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\msvcp140.dll
      MD5

      ce8a66d40621f89c5a639691db3b96b4

      SHA1

      b5f26f17ddd08e1ba73c57635c20c56aaa46b435

      SHA256

      545bb4a00b29b4b5d25e16e1d0969e99b4011033ce3d1d7e827abef09dd317e7

      SHA512

      85fc18e75e4c7f26a2c83578356b1947e12ec002510a574da86ad62114f1640128e58a6858603189317c77059c71ac0824f10b6117fa1c83af76ee480d36b671

      Download Submit
    • \Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\msvcp140.dll
      MD5

      ce8a66d40621f89c5a639691db3b96b4

      SHA1

      b5f26f17ddd08e1ba73c57635c20c56aaa46b435

      SHA256

      545bb4a00b29b4b5d25e16e1d0969e99b4011033ce3d1d7e827abef09dd317e7

      SHA512

      85fc18e75e4c7f26a2c83578356b1947e12ec002510a574da86ad62114f1640128e58a6858603189317c77059c71ac0824f10b6117fa1c83af76ee480d36b671

      Download Submit
    • \Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\vcruntime140.dll
      MD5

      cefcd5d1f068c4265c3976a4621543d4

      SHA1

      4d874d6d6fa19e0476a229917c01e7c1dd5ceacd

      SHA256

      c79241aec5e35cba91563c3b33ed413ce42309f5145f25dc92caf9c82a753817

      SHA512

      d934c43f1bd47c5900457642b3cbdcd43643115cd3e78b244f3a28fee5eea373e65b6e1cb764e356839090ce4a7a85d74f2b7631c48741d88cf44c9703114ec9

      Download Submit
    • \Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\vcruntime140.dll
      MD5

      cefcd5d1f068c4265c3976a4621543d4

      SHA1

      4d874d6d6fa19e0476a229917c01e7c1dd5ceacd

      SHA256

      c79241aec5e35cba91563c3b33ed413ce42309f5145f25dc92caf9c82a753817

      SHA512

      d934c43f1bd47c5900457642b3cbdcd43643115cd3e78b244f3a28fee5eea373e65b6e1cb764e356839090ce4a7a85d74f2b7631c48741d88cf44c9703114ec9

      Download Submit
    • memory/1852-115-0x0000000000000000-mapping.dmp
      Download