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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/04/2023, 04:32

General

  • Target

    a6c3672c91e3fc4f85c47dd9e3ac1eea2c3c2c5a1eac3769cf299709059437ae.exe

  • Size

    964KB

  • MD5

    822d5f54ff88c842c1d6d330b95538c4

  • SHA1

    9f23af3acedd64f911ffcf710c07eb86e7376e07

  • SHA256

    a6c3672c91e3fc4f85c47dd9e3ac1eea2c3c2c5a1eac3769cf299709059437ae

  • SHA512

    fa1eeb81b9eacc56c94e1a0ce7766258f54bc8930bec91d7f4f46a41d27f9c3323ed06ac1e7953fbd2d7e02392dc8b50ef3a6038109330aa350296dd646bb4a9

  • SSDEEP

    24576:qyrTVUTsWZ/jfBcl/JotbOm8qHsmPH8R/g:xrTVUTdZ/jJIJmZjPH6

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs
  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6c3672c91e3fc4f85c47dd9e3ac1eea2c3c2c5a1eac3769cf299709059437ae.exe
    "C:\Users\Admin\AppData\Local\Temp\a6c3672c91e3fc4f85c47dd9e3ac1eea2c3c2c5a1eac3769cf299709059437ae.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un790987.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un790987.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4088
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un027248.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un027248.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4332
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr923628.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr923628.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4348
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu815068.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu815068.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4848
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk893413.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk893413.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4364
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si371116.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si371116.exe
      2⤵
      • Executes dropped EXE
      PID:4056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 620
        3⤵
        • Program crash
        PID:3804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 700
        3⤵
        • Program crash
        PID:2156
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 840
        3⤵
        • Program crash
        PID:4388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 844
        3⤵
        • Program crash
        PID:4200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 876
        3⤵
        • Program crash
        PID:2528
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 888
        3⤵
        • Program crash
        PID:4788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 1124
        3⤵
        • Program crash
        PID:4840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 1172
        3⤵
        • Program crash
        PID:1100
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 1096
        3⤵
        • Program crash
        PID:4176

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si371116.exe

    Filesize

    256KB

    MD5

    1f4d6620dd17f89d453af8d286bc7eb0

    SHA1

    5bba287ffaed814fd6e05b61bd59748c6ea97211

    SHA256

    dace9bf4e1c93fb930ebf99d179f2e5456f24b50d62c2ef9e9207d46c64ec9bb

    SHA512

    5f5bdba80939154fbba26cf8dfa9794d735417f4618f290becca6de4d8bd324e5235a51c7eeaeabbee318b4cf0bdb2639e593667cbdecde5809858b05a38d7d1

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si371116.exe

    Filesize

    256KB

    MD5

    1f4d6620dd17f89d453af8d286bc7eb0

    SHA1

    5bba287ffaed814fd6e05b61bd59748c6ea97211

    SHA256

    dace9bf4e1c93fb930ebf99d179f2e5456f24b50d62c2ef9e9207d46c64ec9bb

    SHA512

    5f5bdba80939154fbba26cf8dfa9794d735417f4618f290becca6de4d8bd324e5235a51c7eeaeabbee318b4cf0bdb2639e593667cbdecde5809858b05a38d7d1

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un790987.exe

    Filesize

    705KB

    MD5

    6d0f3223057e8e4e726c9e8861d893d3

    SHA1

    8ad4f53962583f298b929d9d048b58a60f83312b

    SHA256

    3cabe49d075aa009c2e5131e744785489e2961acbc094b85a8967d74a99ff426

    SHA512

    c658789b03af73355c7ea59688232351144118196642e8d0decef29a26058db63bdb488c9c1f0ff0efb0edea98b1428c793cd4899c5cb9716c72a68b586a79d5

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un790987.exe

    Filesize

    705KB

    MD5

    6d0f3223057e8e4e726c9e8861d893d3

    SHA1

    8ad4f53962583f298b929d9d048b58a60f83312b

    SHA256

    3cabe49d075aa009c2e5131e744785489e2961acbc094b85a8967d74a99ff426

    SHA512

    c658789b03af73355c7ea59688232351144118196642e8d0decef29a26058db63bdb488c9c1f0ff0efb0edea98b1428c793cd4899c5cb9716c72a68b586a79d5

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk893413.exe

    Filesize

    136KB

    MD5

    86810f340795831f3c2bd147981be929

    SHA1

    573345e2c322720fa43f74d761ff1d48028f36c9

    SHA256

    d122c80c89eb529d8edb82af16a9ffd8bb187f391758fe80ac2e25db159a9139

    SHA512

    c50b8b6a424fc20c6a3009560cffc277c8dd99792c97f72bfb57d924efdc07341e87a96cb2556e90955fbab6bd59df2a8fc23f89866096658dc7530499becd9f

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk893413.exe

    Filesize

    136KB

    MD5

    86810f340795831f3c2bd147981be929

    SHA1

    573345e2c322720fa43f74d761ff1d48028f36c9

    SHA256

    d122c80c89eb529d8edb82af16a9ffd8bb187f391758fe80ac2e25db159a9139

    SHA512

    c50b8b6a424fc20c6a3009560cffc277c8dd99792c97f72bfb57d924efdc07341e87a96cb2556e90955fbab6bd59df2a8fc23f89866096658dc7530499becd9f

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un027248.exe

    Filesize

    551KB

    MD5

    dd57f7e041abd2d66ab7ebd22750b074

    SHA1

    fcb247129add98f8b2c6b8cace74115b4f9f510f

    SHA256

    690a8d83daa799a8f16b4b0390a441259d59503acee236836af5c01df43bb071

    SHA512

    055ec1204683d6ff547b7d38412338c538650457e0a3276989ebe2a785057f18f3ae656c169bd956c4c5d04ba6fcddc71542fdeb295d4e955e6dc122cae05d60

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\un027248.exe

    Filesize

    551KB

    MD5

    dd57f7e041abd2d66ab7ebd22750b074

    SHA1

    fcb247129add98f8b2c6b8cace74115b4f9f510f

    SHA256

    690a8d83daa799a8f16b4b0390a441259d59503acee236836af5c01df43bb071

    SHA512

    055ec1204683d6ff547b7d38412338c538650457e0a3276989ebe2a785057f18f3ae656c169bd956c4c5d04ba6fcddc71542fdeb295d4e955e6dc122cae05d60

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr923628.exe

    Filesize

    278KB

    MD5

    bb210f5b6a864555d970c01ba4340690

    SHA1

    ab75425b7c435f2be9a9994d792153802d88523c

    SHA256

    df8fd43d887a061de6fc525e0eb7804739b98bd0740c7b162047784542e26a7b

    SHA512

    dd326c63e287bacb4fe6200ec4f1da8c25703e0056dfddcf63a44db001b63e5daee8d48418ec02d406266c10f6ef7c823feed13d56881ff1117a9c1f13199616

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pr923628.exe

    Filesize

    278KB

    MD5

    bb210f5b6a864555d970c01ba4340690

    SHA1

    ab75425b7c435f2be9a9994d792153802d88523c

    SHA256

    df8fd43d887a061de6fc525e0eb7804739b98bd0740c7b162047784542e26a7b

    SHA512

    dd326c63e287bacb4fe6200ec4f1da8c25703e0056dfddcf63a44db001b63e5daee8d48418ec02d406266c10f6ef7c823feed13d56881ff1117a9c1f13199616

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu815068.exe

    Filesize

    360KB

    MD5

    f780791c3d3ace6c170a4d86dd24cd6a

    SHA1

    4f1ab622dcf77851756ffdbe33b54554f3e7360f

    SHA256

    134351b437fb4b5a4036b7c39b3ab702b239a743010c1ae13e85d1bc7765c733

    SHA512

    9be422c9838d371ba05ff1078417686ae0ed409654b831ced56aaff0e7c04bffe615d5ebdb4d4e6f314e101e73333daedd91d7c63afb0d22a005b5fe64940142

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu815068.exe

    Filesize

    360KB

    MD5

    f780791c3d3ace6c170a4d86dd24cd6a

    SHA1

    4f1ab622dcf77851756ffdbe33b54554f3e7360f

    SHA256

    134351b437fb4b5a4036b7c39b3ab702b239a743010c1ae13e85d1bc7765c733

    SHA512

    9be422c9838d371ba05ff1078417686ae0ed409654b831ced56aaff0e7c04bffe615d5ebdb4d4e6f314e101e73333daedd91d7c63afb0d22a005b5fe64940142

  • memory/4056-1007-0x0000000002CB0000-0x0000000002CE5000-memory.dmp

    Filesize

    212KB

  • memory/4348-150-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-166-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-139-0x00000000001D0000-0x00000000001FD000-memory.dmp

    Filesize

    180KB

  • memory/4348-144-0x0000000004850000-0x0000000004868000-memory.dmp

    Filesize

    96KB

  • memory/4348-145-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-146-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-148-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-138-0x0000000004770000-0x000000000478A000-memory.dmp

    Filesize

    104KB

  • memory/4348-152-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-154-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-156-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-158-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-160-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-162-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-164-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-140-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

    Filesize

    64KB

  • memory/4348-168-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-170-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-172-0x0000000004850000-0x0000000004862000-memory.dmp

    Filesize

    72KB

  • memory/4348-173-0x0000000000400000-0x0000000002B9F000-memory.dmp

    Filesize

    39.6MB

  • memory/4348-174-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

    Filesize

    64KB

  • memory/4348-175-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

    Filesize

    64KB

  • memory/4348-176-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

    Filesize

    64KB

  • memory/4348-178-0x0000000000400000-0x0000000002B9F000-memory.dmp

    Filesize

    39.6MB

  • memory/4348-141-0x0000000007240000-0x000000000773E000-memory.dmp

    Filesize

    5.0MB

  • memory/4348-143-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

    Filesize

    64KB

  • memory/4348-142-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

    Filesize

    64KB

  • memory/4364-999-0x0000000000F10000-0x0000000000F38000-memory.dmp

    Filesize

    160KB

  • memory/4364-1000-0x0000000007C90000-0x0000000007CDB000-memory.dmp

    Filesize

    300KB

  • memory/4364-1001-0x0000000007F40000-0x0000000007F50000-memory.dmp

    Filesize

    64KB

  • memory/4848-185-0x00000000072B0000-0x00000000072C0000-memory.dmp

    Filesize

    64KB

  • memory/4848-189-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-191-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-193-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-195-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-197-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-199-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-201-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-203-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-207-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-205-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-209-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-211-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-213-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-215-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-217-0x00000000072B0000-0x00000000072C0000-memory.dmp

    Filesize

    64KB

  • memory/4848-218-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-220-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-222-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-981-0x000000000A250000-0x000000000A856000-memory.dmp

    Filesize

    6.0MB

  • memory/4848-982-0x0000000007260000-0x0000000007272000-memory.dmp

    Filesize

    72KB

  • memory/4848-983-0x0000000009C40000-0x0000000009D4A000-memory.dmp

    Filesize

    1.0MB

  • memory/4848-984-0x0000000009D50000-0x0000000009D8E000-memory.dmp

    Filesize

    248KB

  • memory/4848-985-0x0000000009DC0000-0x0000000009E0B000-memory.dmp

    Filesize

    300KB

  • memory/4848-986-0x00000000072B0000-0x00000000072C0000-memory.dmp

    Filesize

    64KB

  • memory/4848-987-0x000000000A050000-0x000000000A0B6000-memory.dmp

    Filesize

    408KB

  • memory/4848-988-0x000000000AD10000-0x000000000ADA2000-memory.dmp

    Filesize

    584KB

  • memory/4848-989-0x000000000AEC0000-0x000000000AF36000-memory.dmp

    Filesize

    472KB

  • memory/4848-990-0x000000000AF80000-0x000000000AF9E000-memory.dmp

    Filesize

    120KB

  • memory/4848-188-0x0000000004B50000-0x0000000004B85000-memory.dmp

    Filesize

    212KB

  • memory/4848-187-0x0000000004B50000-0x0000000004B8A000-memory.dmp

    Filesize

    232KB

  • memory/4848-186-0x00000000072B0000-0x00000000072C0000-memory.dmp

    Filesize

    64KB

  • memory/4848-183-0x0000000004980000-0x00000000049BC000-memory.dmp

    Filesize

    240KB

  • memory/4848-184-0x0000000002BC0000-0x0000000002C06000-memory.dmp

    Filesize

    280KB

  • memory/4848-991-0x000000000B040000-0x000000000B202000-memory.dmp

    Filesize

    1.8MB

  • memory/4848-992-0x000000000B220000-0x000000000B74C000-memory.dmp

    Filesize

    5.2MB

  • memory/4848-993-0x0000000006BD0000-0x0000000006C20000-memory.dmp

    Filesize

    320KB