Analysis

  • max time kernel
    117s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2023 11:37

General

  • Target

    NEAS.NEAS078ecfa66cf7c2c474c3ccf595e4758984e36c0fa9bde28fdc9e04d0dccacf8cexeexe_JC.exe

  • Size

    978KB

  • MD5

    fe9ae73089d3b399f8a6e0506e18806d

  • SHA1

    3535998e49e5732ebb103da888320cf7386462b1

  • SHA256

    078ecfa66cf7c2c474c3ccf595e4758984e36c0fa9bde28fdc9e04d0dccacf8c

  • SHA512

    ad51d91035a00be2cbbe937b67d48b8e0c1579b8d6abc6bdca3ee048cf6463e16242081339d10ff20eb5dc6c4e6159ba5294e1d9cf2c9b9feefdaea38bdb6ca8

  • SSDEEP

    24576:OygmttAlBXeFvi1oTAjhG9ql51WjPdb9JQxajqjQd/VeuVfoS:dgmtqlBXeFvYoc0s/1WjFwaBlVeuV

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • .NET Reactor proctector 19 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 15 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.NEAS078ecfa66cf7c2c474c3ccf595e4758984e36c0fa9bde28fdc9e04d0dccacf8cexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.NEAS078ecfa66cf7c2c474c3ccf595e4758984e36c0fa9bde28fdc9e04d0dccacf8cexeexe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Iq4gP99.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Iq4gP99.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ao1Xl53.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ao1Xl53.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1888
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FB5aN13.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FB5aN13.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2212
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1dy94nd7.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1dy94nd7.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2700
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1708
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2752
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 268
                7⤵
                • Program crash
                PID:872
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 268
              6⤵
              • Loads dropped DLL
              • Program crash
              PID:1624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Iq4gP99.exe

    Filesize

    839KB

    MD5

    a142d6e30820a67e5d0585525cd68915

    SHA1

    9b28bc4299399ae72ca93a14be1dfbf47aea6f82

    SHA256

    58c442cd98bdb305bb77442b13869e6b5f43597b4197f09cdd4e7f34b54703ba

    SHA512

    6b0e179ae3e375a2f319110d2fedd1a4ad2e3d6cdc0a030ad4b96f0f61d25947af580ba517e30582aabe37b321cbbe25f6c891e87316c0fd9e64f7d252607ac0

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Iq4gP99.exe

    Filesize

    839KB

    MD5

    a142d6e30820a67e5d0585525cd68915

    SHA1

    9b28bc4299399ae72ca93a14be1dfbf47aea6f82

    SHA256

    58c442cd98bdb305bb77442b13869e6b5f43597b4197f09cdd4e7f34b54703ba

    SHA512

    6b0e179ae3e375a2f319110d2fedd1a4ad2e3d6cdc0a030ad4b96f0f61d25947af580ba517e30582aabe37b321cbbe25f6c891e87316c0fd9e64f7d252607ac0

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ao1Xl53.exe

    Filesize

    605KB

    MD5

    00f85ffad9eb93bc9a167ab83868ba04

    SHA1

    fcfa7e2e4d3db8d270adbc3754591ba91d55a1ad

    SHA256

    db8e1ee795381f7630629fa0f61594618f206b009fd85a3389f8412ca033db87

    SHA512

    089b87c2ace308f5320f2d25eba021c4382116aace6e1e0ad38e74b60afc57c0ac1c90fe78b397aa066b3dd4f303bf5af5beeb40d981540ca936cbc64a36c254

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ao1Xl53.exe

    Filesize

    605KB

    MD5

    00f85ffad9eb93bc9a167ab83868ba04

    SHA1

    fcfa7e2e4d3db8d270adbc3754591ba91d55a1ad

    SHA256

    db8e1ee795381f7630629fa0f61594618f206b009fd85a3389f8412ca033db87

    SHA512

    089b87c2ace308f5320f2d25eba021c4382116aace6e1e0ad38e74b60afc57c0ac1c90fe78b397aa066b3dd4f303bf5af5beeb40d981540ca936cbc64a36c254

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FB5aN13.exe

    Filesize

    421KB

    MD5

    4c936ea896e6ef888b26faa41ac824c8

    SHA1

    e122a309f4e58ae5389e53f9cac0d1ce1db0bda7

    SHA256

    9aa86df185a31500229f83d2b7c00e6843820579fb34946f12d85592aeb70f87

    SHA512

    bd3e3c03990442e6f5c8f365a04d208e463b07f0e7d0cf5e25b00e4b88667a687c051c7a9fd8f42c06728e395a2262a9cff4a93aefb06ad13109e2b43f70b2cf

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FB5aN13.exe

    Filesize

    421KB

    MD5

    4c936ea896e6ef888b26faa41ac824c8

    SHA1

    e122a309f4e58ae5389e53f9cac0d1ce1db0bda7

    SHA256

    9aa86df185a31500229f83d2b7c00e6843820579fb34946f12d85592aeb70f87

    SHA512

    bd3e3c03990442e6f5c8f365a04d208e463b07f0e7d0cf5e25b00e4b88667a687c051c7a9fd8f42c06728e395a2262a9cff4a93aefb06ad13109e2b43f70b2cf

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1dy94nd7.exe

    Filesize

    188KB

    MD5

    425e2a994509280a8c1e2812dfaad929

    SHA1

    4d5eff2fb3835b761e2516a873b537cbaacea1fe

    SHA256

    6f40f29ad16466785dfbe836dd375400949ff894e8aa03e2805ab1c1ac2d6f5a

    SHA512

    080a41e7926122e14b38901f2e1eb8100a08c5068a9a74099f060c5e601f056a66e607b4e006820276834bb01d913a3894de98e6d9ba62ce843df14058483aa0

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1dy94nd7.exe

    Filesize

    188KB

    MD5

    425e2a994509280a8c1e2812dfaad929

    SHA1

    4d5eff2fb3835b761e2516a873b537cbaacea1fe

    SHA256

    6f40f29ad16466785dfbe836dd375400949ff894e8aa03e2805ab1c1ac2d6f5a

    SHA512

    080a41e7926122e14b38901f2e1eb8100a08c5068a9a74099f060c5e601f056a66e607b4e006820276834bb01d913a3894de98e6d9ba62ce843df14058483aa0

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\Iq4gP99.exe

    Filesize

    839KB

    MD5

    a142d6e30820a67e5d0585525cd68915

    SHA1

    9b28bc4299399ae72ca93a14be1dfbf47aea6f82

    SHA256

    58c442cd98bdb305bb77442b13869e6b5f43597b4197f09cdd4e7f34b54703ba

    SHA512

    6b0e179ae3e375a2f319110d2fedd1a4ad2e3d6cdc0a030ad4b96f0f61d25947af580ba517e30582aabe37b321cbbe25f6c891e87316c0fd9e64f7d252607ac0

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\Iq4gP99.exe

    Filesize

    839KB

    MD5

    a142d6e30820a67e5d0585525cd68915

    SHA1

    9b28bc4299399ae72ca93a14be1dfbf47aea6f82

    SHA256

    58c442cd98bdb305bb77442b13869e6b5f43597b4197f09cdd4e7f34b54703ba

    SHA512

    6b0e179ae3e375a2f319110d2fedd1a4ad2e3d6cdc0a030ad4b96f0f61d25947af580ba517e30582aabe37b321cbbe25f6c891e87316c0fd9e64f7d252607ac0

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\ao1Xl53.exe

    Filesize

    605KB

    MD5

    00f85ffad9eb93bc9a167ab83868ba04

    SHA1

    fcfa7e2e4d3db8d270adbc3754591ba91d55a1ad

    SHA256

    db8e1ee795381f7630629fa0f61594618f206b009fd85a3389f8412ca033db87

    SHA512

    089b87c2ace308f5320f2d25eba021c4382116aace6e1e0ad38e74b60afc57c0ac1c90fe78b397aa066b3dd4f303bf5af5beeb40d981540ca936cbc64a36c254

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\ao1Xl53.exe

    Filesize

    605KB

    MD5

    00f85ffad9eb93bc9a167ab83868ba04

    SHA1

    fcfa7e2e4d3db8d270adbc3754591ba91d55a1ad

    SHA256

    db8e1ee795381f7630629fa0f61594618f206b009fd85a3389f8412ca033db87

    SHA512

    089b87c2ace308f5320f2d25eba021c4382116aace6e1e0ad38e74b60afc57c0ac1c90fe78b397aa066b3dd4f303bf5af5beeb40d981540ca936cbc64a36c254

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\FB5aN13.exe

    Filesize

    421KB

    MD5

    4c936ea896e6ef888b26faa41ac824c8

    SHA1

    e122a309f4e58ae5389e53f9cac0d1ce1db0bda7

    SHA256

    9aa86df185a31500229f83d2b7c00e6843820579fb34946f12d85592aeb70f87

    SHA512

    bd3e3c03990442e6f5c8f365a04d208e463b07f0e7d0cf5e25b00e4b88667a687c051c7a9fd8f42c06728e395a2262a9cff4a93aefb06ad13109e2b43f70b2cf

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\FB5aN13.exe

    Filesize

    421KB

    MD5

    4c936ea896e6ef888b26faa41ac824c8

    SHA1

    e122a309f4e58ae5389e53f9cac0d1ce1db0bda7

    SHA256

    9aa86df185a31500229f83d2b7c00e6843820579fb34946f12d85592aeb70f87

    SHA512

    bd3e3c03990442e6f5c8f365a04d208e463b07f0e7d0cf5e25b00e4b88667a687c051c7a9fd8f42c06728e395a2262a9cff4a93aefb06ad13109e2b43f70b2cf

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\1dy94nd7.exe

    Filesize

    188KB

    MD5

    425e2a994509280a8c1e2812dfaad929

    SHA1

    4d5eff2fb3835b761e2516a873b537cbaacea1fe

    SHA256

    6f40f29ad16466785dfbe836dd375400949ff894e8aa03e2805ab1c1ac2d6f5a

    SHA512

    080a41e7926122e14b38901f2e1eb8100a08c5068a9a74099f060c5e601f056a66e607b4e006820276834bb01d913a3894de98e6d9ba62ce843df14058483aa0

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\1dy94nd7.exe

    Filesize

    188KB

    MD5

    425e2a994509280a8c1e2812dfaad929

    SHA1

    4d5eff2fb3835b761e2516a873b537cbaacea1fe

    SHA256

    6f40f29ad16466785dfbe836dd375400949ff894e8aa03e2805ab1c1ac2d6f5a

    SHA512

    080a41e7926122e14b38901f2e1eb8100a08c5068a9a74099f060c5e601f056a66e607b4e006820276834bb01d913a3894de98e6d9ba62ce843df14058483aa0

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2BQ5442.exe

    Filesize

    295KB

    MD5

    ee673538bf9c58cd50dd04cb75ee8fbe

    SHA1

    bcb5ed826b3c9d5c16a0e838d902342fbc11a70b

    SHA256

    a9b3318579cabdbec77efc803864d5a81b4edc2e57e3ee82bfd7be28a731ee84

    SHA512

    5240b1295cd9d0234910c04374e9737039e568189855dc1a4a9098b4cbcbec621a3c020375a85a0cbf5ddda02347903ce94f210aa4509ebed1c340af9538332e

  • memory/2700-69-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-41-0x0000000000980000-0x000000000099E000-memory.dmp

    Filesize

    120KB

  • memory/2700-65-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-63-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-61-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-57-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-55-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-53-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-51-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-49-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-71-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-73-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-40-0x00000000003B0000-0x00000000003D0000-memory.dmp

    Filesize

    128KB

  • memory/2700-67-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-59-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-42-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-43-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-45-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2700-47-0x0000000000980000-0x0000000000998000-memory.dmp

    Filesize

    96KB

  • memory/2752-83-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2752-89-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2752-88-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2752-90-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2752-92-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2752-94-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2752-85-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2752-87-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2752-86-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2752-84-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB