Analysis

  • max time kernel
    74s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06-11-2020 10:43

General

  • Target

    412c4b0ef5dd5bdbe35efcbaaa89c804c36565c6aaf51bf37818aece5f47c326.exe

  • Size

    725KB

  • MD5

    a8d6d7d35598c80ffb2e81a144deaf22

  • SHA1

    a8cb80156d4fea3f081706346ae1e169aa3d732b

  • SHA256

    412c4b0ef5dd5bdbe35efcbaaa89c804c36565c6aaf51bf37818aece5f47c326

  • SHA512

    f05bae0d296c5fddc12001389c10e226e5d63917b71af4eaa72390b50333b73aace9cd6f63ce9a5c794c3cae177a028a5c1c7d9bd634852ceee029ac145a61a4

Malware Config

Signatures

  • Deletes Windows Defender Definitions 2 TTPs 1 IoCs

    Uses mpcmdrun utility to delete all AV definitions.

  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • JavaScript code in executable 1 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\412c4b0ef5dd5bdbe35efcbaaa89c804c36565c6aaf51bf37818aece5f47c326.exe
    "C:\Users\Admin\AppData\Local\Temp\412c4b0ef5dd5bdbe35efcbaaa89c804c36565c6aaf51bf37818aece5f47c326.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\4d068f83-ca24-438b-9643-e6d91c565701" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:1992
    • C:\Users\Admin\AppData\Local\Temp\412c4b0ef5dd5bdbe35efcbaaa89c804c36565c6aaf51bf37818aece5f47c326.exe
      "C:\Users\Admin\AppData\Local\Temp\412c4b0ef5dd5bdbe35efcbaaa89c804c36565c6aaf51bf37818aece5f47c326.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2496
      • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin1.exe
        "C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin1.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2100
        • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin1.exe
          "C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin1.exe" --Admin
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2076
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command Set-ExecutionPolicy -Scope CurrentUser RemoteSigned
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1748
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -NoProfile -ExecutionPolicy Bypass -Command "& {Start-Process PowerShell -ArgumentList '-NoProfile -ExecutionPolicy Bypass -File ""C:\Users\Admin\AppData\Local\script.ps1""' -Verb RunAs}"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3296
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\script.ps1
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2748
          • C:\Program Files\Windows Defender\mpcmdrun.exe
            "C:\Program Files\Windows Defender\mpcmdrun.exe" -removedefinitions -all
            5⤵
            • Deletes Windows Defender Definitions
            PID:3144
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat""
            5⤵
              PID:3932
        • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin2.exe
          "C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin2.exe"
          3⤵
          • Drops file in Drivers directory
          • Executes dropped EXE
          PID:4036
        • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\5.exe
          "C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\5.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2760
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c taskkill /im 5.exe /f & erase C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\5.exe & exit
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2964
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /im 5.exe /f
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:3748

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Disabling Security Tools

    1
    T1089

    File Permissions Modification

    1
    T1222

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Credentials in Files

    4
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
      MD5

      6c5b65755a00e464ebaaa2894b9cdb03

      SHA1

      853f6dbc8754da18f6bf5b8d0f8598dee126a902

      SHA256

      e587a1f90ff0ad8db8e584c076fb3eb043c5265bffbc7d6c74b3ebb2f1bf2e29

      SHA512

      005b97c7639c1585b9bb7f82985818a187102c54a6923f89f06b09767922841874ecffffc8e55baab186c9ef513794bf212270f18b8cf768910c8c91ba47adb1

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
      MD5

      dd641de40d39e17f88a89c22115fa1e3

      SHA1

      a1a4148ac936d5c0d62c308995e0433811d23e25

      SHA256

      4d5913cef9d60fdde2e7c270832b19a5e3a9feeb9ef01539bfc4ec005f13e7c8

      SHA512

      e83bb017048fae6c4d7516575c833555548b4ef4749b745f896da3f7f6a405ac46f1e51e8a2bbfa70867edeca16b2a7b4b81396c6df3e09052a893c795867afc

    • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\5.exe
      MD5

      28994346c82a501f6198643b4c6a1f81

      SHA1

      d6ea2f731626402b0081504628a9ba05f4279cbf

      SHA256

      6b57625c531e64626de7627158f8644f9f4825357ebd01173eb3441fd84cb232

      SHA512

      ce4f1be36ad0730468c09d537f1e639c3f5a6aebaa0c64057b5709e83fe596d072c5e33e405d311efba41b6146581da5008489f2caf13a46778dcf62081c4138

    • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\5.exe
      MD5

      28994346c82a501f6198643b4c6a1f81

      SHA1

      d6ea2f731626402b0081504628a9ba05f4279cbf

      SHA256

      6b57625c531e64626de7627158f8644f9f4825357ebd01173eb3441fd84cb232

      SHA512

      ce4f1be36ad0730468c09d537f1e639c3f5a6aebaa0c64057b5709e83fe596d072c5e33e405d311efba41b6146581da5008489f2caf13a46778dcf62081c4138

    • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin1.exe
      MD5

      5b4bd24d6240f467bfbc74803c9f15b0

      SHA1

      c17f98c182d299845c54069872e8137645768a1a

      SHA256

      14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

      SHA512

      a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

    • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin1.exe
      MD5

      5b4bd24d6240f467bfbc74803c9f15b0

      SHA1

      c17f98c182d299845c54069872e8137645768a1a

      SHA256

      14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

      SHA512

      a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

    • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin1.exe
      MD5

      5b4bd24d6240f467bfbc74803c9f15b0

      SHA1

      c17f98c182d299845c54069872e8137645768a1a

      SHA256

      14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

      SHA512

      a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

    • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin2.exe
      MD5

      996ba35165bb62473d2a6743a5200d45

      SHA1

      52169b0b5cce95c6905873b8d12a759c234bd2e0

      SHA256

      5caffdc76a562e098c471feaede5693f9ead92d5c6c10fb3951dd1fa6c12d21d

      SHA512

      2a7fb9bdf8dcf577ac851752f8875a710a3694b99d107c397942fce1392fd99ee0b85f1fddc18c33fba56d7b8fd4dda5f40f28e64d8398e6048c2ab140780634

    • C:\Users\Admin\AppData\Local\18ac6fc5-dc11-4913-81fd-99b2ae0e7c4b\updatewin2.exe
      MD5

      996ba35165bb62473d2a6743a5200d45

      SHA1

      52169b0b5cce95c6905873b8d12a759c234bd2e0

      SHA256

      5caffdc76a562e098c471feaede5693f9ead92d5c6c10fb3951dd1fa6c12d21d

      SHA512

      2a7fb9bdf8dcf577ac851752f8875a710a3694b99d107c397942fce1392fd99ee0b85f1fddc18c33fba56d7b8fd4dda5f40f28e64d8398e6048c2ab140780634

    • C:\Users\Admin\AppData\Local\4d068f83-ca24-438b-9643-e6d91c565701\412c4b0ef5dd5bdbe35efcbaaa89c804c36565c6aaf51bf37818aece5f47c326.exe
      MD5

      a8d6d7d35598c80ffb2e81a144deaf22

      SHA1

      a8cb80156d4fea3f081706346ae1e169aa3d732b

      SHA256

      412c4b0ef5dd5bdbe35efcbaaa89c804c36565c6aaf51bf37818aece5f47c326

      SHA512

      f05bae0d296c5fddc12001389c10e226e5d63917b71af4eaa72390b50333b73aace9cd6f63ce9a5c794c3cae177a028a5c1c7d9bd634852ceee029ac145a61a4

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
      MD5

      13151583954f0def829054cc3eae25ec

      SHA1

      2a2b013e8d4201ddc8a80f9680931873702d0213

      SHA256

      eb542ae9c791940e8e74833eb50543dbbcbc8bf8485698fad82a8b079546c8a7

      SHA512

      3f7a6d0e5ca29de7b02f5cb993c508ce0c0df12c3d970a3ad6da95149b4cb5cc7a138e7ed6f83e910cb39120f199b3f74fc0ec1a14ca86435a52f247c2514aaf

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      MD5

      1c150bbc07e3b4fe3fef0fadb6620d01

      SHA1

      0a11a093d9eaf8a8f0985e87a414b76a30474d95

      SHA256

      d5538905bec7941131f71ebe08ef792e913d57fe63211f5af95eadd89ebea4b2

      SHA512

      cbdbf9667f050d3b0183c55b6d8e6cd7f5ed614598e065b310f5cd6b602578b5ecfc8baf304b4ef2cb90a6d24e35c12641f9a41964fb3879a6d97654882a305f

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      MD5

      2c57d51bc989c4874ee7b54f0913a1be

      SHA1

      eae91eab94cddbbd9bc68396b2c1a79f7d27f7e3

      SHA256

      0eb58a439baf896e7d289ca4f013cd5367c62026f5f4169caa1eccba90ff5fae

      SHA512

      d74e9d4853c7250725602031c9cf76f475670f8f41282d5fff0a67d384a8d86ce317fce52ccfeaca82894a9119da4e04740d1f3ac8f9c771e52fe36de088346c

    • C:\Users\Admin\AppData\Local\Temp\delself.bat
      MD5

      5d9750ad5cd413f929a4c96008df3f29

      SHA1

      ec36dbd607347984590e8b8a46e90428229eb591

      SHA256

      350442f6bdd95af85cf6bf2e08869fbe42ba68bba7a81eb39b5a637a74aedb20

      SHA512

      83a17be3ed0c60cb081080bcc598205dbe099c11968632985fb7c668b4be195e012882fd04d7c5f0e3d0a4868d51c30c5e1d4dd0fc842247a29a3834636fbf90

    • C:\Users\Admin\AppData\Local\script.ps1
      MD5

      f972c62f986b5ed49ad7713d93bf6c9f

      SHA1

      4e157002bdb97e9526ab97bfafbf7c67e1d1efbf

      SHA256

      b47f85974a7ec2fd5aa82d52f08eb0f6cea7e596a98dd29e8b85b5c37beca0a8

      SHA512

      2c9e2e1b8b6cb5ffe3edf5dfbc2c3b917cd15ba6a5e5264207a43b02ce7020f44f5088aca195f7b428699f0d6bd693ce557a0227d67bbb4795e350a97314e9c4

    • \ProgramData\mozglue.dll
      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • \ProgramData\nss3.dll
      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • memory/1748-56-0x0000000009400000-0x0000000009401000-memory.dmp
      Filesize

      4KB

    • memory/1748-36-0x0000000006B60000-0x0000000006B61000-memory.dmp
      Filesize

      4KB

    • memory/1748-48-0x00000000092B0000-0x00000000092E3000-memory.dmp
      Filesize

      204KB

    • memory/1748-40-0x0000000007300000-0x0000000007301000-memory.dmp
      Filesize

      4KB

    • memory/1748-57-0x00000000095C0000-0x00000000095C1000-memory.dmp
      Filesize

      4KB

    • memory/1748-46-0x0000000008310000-0x0000000008311000-memory.dmp
      Filesize

      4KB

    • memory/1748-45-0x00000000085F0000-0x00000000085F1000-memory.dmp
      Filesize

      4KB

    • memory/1748-44-0x0000000007B90000-0x0000000007B91000-memory.dmp
      Filesize

      4KB

    • memory/1748-58-0x0000000009560000-0x0000000009561000-memory.dmp
      Filesize

      4KB

    • memory/1748-39-0x0000000007B20000-0x0000000007B21000-memory.dmp
      Filesize

      4KB

    • memory/1748-41-0x0000000007C40000-0x0000000007C41000-memory.dmp
      Filesize

      4KB

    • memory/1748-34-0x0000000000000000-mapping.dmp
    • memory/1748-35-0x0000000072030000-0x000000007271E000-memory.dmp
      Filesize

      6.9MB

    • memory/1748-55-0x0000000009090000-0x0000000009091000-memory.dmp
      Filesize

      4KB

    • memory/1748-37-0x0000000007380000-0x0000000007381000-memory.dmp
      Filesize

      4KB

    • memory/1748-38-0x0000000007160000-0x0000000007161000-memory.dmp
      Filesize

      4KB

    • memory/1992-2-0x0000000000000000-mapping.dmp
    • memory/2076-18-0x0000000000000000-mapping.dmp
    • memory/2076-20-0x0000000001FC0000-0x0000000001FC1000-memory.dmp
      Filesize

      4KB

    • memory/2076-33-0x0000000000564000-0x0000000000567000-memory.dmp
      Filesize

      12KB

    • memory/2100-9-0x0000000000000000-mapping.dmp
    • memory/2100-12-0x0000000002190000-0x0000000002191000-memory.dmp
      Filesize

      4KB

    • memory/2100-17-0x000000000051E000-0x000000000051F000-memory.dmp
      Filesize

      4KB

    • memory/2496-6-0x0000000002350000-0x0000000002351000-memory.dmp
      Filesize

      4KB

    • memory/2496-4-0x0000000000000000-mapping.dmp
    • memory/2748-101-0x00000000091E0000-0x00000000091E1000-memory.dmp
      Filesize

      4KB

    • memory/2748-76-0x0000000000000000-mapping.dmp
    • memory/2748-89-0x0000000008090000-0x0000000008091000-memory.dmp
      Filesize

      4KB

    • memory/2748-86-0x00000000079B0000-0x00000000079B1000-memory.dmp
      Filesize

      4KB

    • memory/2748-103-0x0000000009350000-0x0000000009351000-memory.dmp
      Filesize

      4KB

    • memory/2748-105-0x0000000009330000-0x0000000009331000-memory.dmp
      Filesize

      4KB

    • memory/2748-80-0x00000000722D0000-0x00000000729BE000-memory.dmp
      Filesize

      6.9MB

    • memory/2760-21-0x0000000000000000-mapping.dmp
    • memory/2760-24-0x0000000003296000-0x0000000003297000-memory.dmp
      Filesize

      4KB

    • memory/2760-25-0x0000000004E20000-0x0000000004E21000-memory.dmp
      Filesize

      4KB

    • memory/2964-42-0x0000000000000000-mapping.dmp
    • memory/3144-77-0x0000000000000000-mapping.dmp
    • memory/3296-67-0x00000000078E0000-0x00000000078E1000-memory.dmp
      Filesize

      4KB

    • memory/3296-75-0x0000000009570000-0x0000000009571000-memory.dmp
      Filesize

      4KB

    • memory/3296-74-0x0000000008F60000-0x0000000008F61000-memory.dmp
      Filesize

      4KB

    • memory/3296-70-0x0000000007D10000-0x0000000007D11000-memory.dmp
      Filesize

      4KB

    • memory/3296-61-0x0000000072690000-0x0000000072D7E000-memory.dmp
      Filesize

      6.9MB

    • memory/3296-59-0x0000000000000000-mapping.dmp
    • memory/3748-43-0x0000000000000000-mapping.dmp
    • memory/3932-78-0x0000000000000000-mapping.dmp
    • memory/3944-1-0x0000000002230000-0x0000000002231000-memory.dmp
      Filesize

      4KB

    • memory/4036-13-0x0000000000000000-mapping.dmp
    • memory/4036-16-0x0000000002190000-0x0000000002191000-memory.dmp
      Filesize

      4KB

    • memory/4036-26-0x000000000074E000-0x000000000074F000-memory.dmp
      Filesize

      4KB