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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2023, 08:40

General

  • Target

    NEAS.fa4bbe0ede323c901ea447e5f8e45146.exe

  • Size

    55KB

  • MD5

    fa4bbe0ede323c901ea447e5f8e45146

  • SHA1

    bc3b21bd85b60a8088e4fcd5031b41f4688b885a

  • SHA256

    1624601dbd4a69c2290458c2dde106fbd8576cc1b6d7df1c994bc266f84627ab

  • SHA512

    bd99759bcca116aa710beb1adbb6bd273e5f1f1023e0677127ab101bb74187adaacf7ad12471a66fc6d2f7b02933eff1ec170024f09197f9623f4439455d0a0b

  • SSDEEP

    768:kvb+QT1htb46xxkVzet1OpNZCiecgp6hx4VU4l20WiosK2p/1H5HYXdnh:C+oHtb46xxeGOZC0gps4fl20zrK2LVq

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 8 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 12 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.fa4bbe0ede323c901ea447e5f8e45146.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.fa4bbe0ede323c901ea447e5f8e45146.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Windows\SysWOW64\Nlcnda32.exe
      C:\Windows\system32\Nlcnda32.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Windows\SysWOW64\Npagjpcd.exe
        C:\Windows\system32\Npagjpcd.exe
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Windows\SysWOW64\Nenobfak.exe
          C:\Windows\system32\Nenobfak.exe
          4⤵
          • Adds autorun key to be loaded by Explorer.exe on startup
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2632
          • C:\Windows\SysWOW64\Nlhgoqhh.exe
            C:\Windows\system32\Nlhgoqhh.exe
            5⤵
            • Executes dropped EXE
            PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Nenobfak.exe

    Filesize

    55KB

    MD5

    d1de72e87d4963f4c5d4d8288a0d34f4

    SHA1

    d06739127207d83defecd851f6f30c4d1a45c8e2

    SHA256

    a6e04975792ee62aa01cf998804013f7cc01ab7d335206dea4e591e2f38dff86

    SHA512

    07bba7f4d5d7d151637686815c237b14276ca988eadae2ba3ecfd8583df50eb5eaa22fd5413fa5d64b936966001503e572a579eb71d1f900d3ab21114d640005

  • C:\Windows\SysWOW64\Nenobfak.exe

    Filesize

    55KB

    MD5

    d1de72e87d4963f4c5d4d8288a0d34f4

    SHA1

    d06739127207d83defecd851f6f30c4d1a45c8e2

    SHA256

    a6e04975792ee62aa01cf998804013f7cc01ab7d335206dea4e591e2f38dff86

    SHA512

    07bba7f4d5d7d151637686815c237b14276ca988eadae2ba3ecfd8583df50eb5eaa22fd5413fa5d64b936966001503e572a579eb71d1f900d3ab21114d640005

  • C:\Windows\SysWOW64\Nenobfak.exe

    Filesize

    55KB

    MD5

    d1de72e87d4963f4c5d4d8288a0d34f4

    SHA1

    d06739127207d83defecd851f6f30c4d1a45c8e2

    SHA256

    a6e04975792ee62aa01cf998804013f7cc01ab7d335206dea4e591e2f38dff86

    SHA512

    07bba7f4d5d7d151637686815c237b14276ca988eadae2ba3ecfd8583df50eb5eaa22fd5413fa5d64b936966001503e572a579eb71d1f900d3ab21114d640005

  • C:\Windows\SysWOW64\Nlcnda32.exe

    Filesize

    55KB

    MD5

    55ea1425b42210f37827126300eed4bd

    SHA1

    b4ebf061b0036105cf097b61c60942e649bb07b6

    SHA256

    dc00c280172f46140f2d24bdfecce1cb5ee10d258f14b3c482b312fe47ff57c7

    SHA512

    8e76fc6d2c0f1c962a74a7073aa0d59717078528694a5782db51883612f9e79cd79c2164688d14d60c72b490abe9e4f6bb7b1d8c80a2aae6e08539d618911d11

  • C:\Windows\SysWOW64\Nlcnda32.exe

    Filesize

    55KB

    MD5

    55ea1425b42210f37827126300eed4bd

    SHA1

    b4ebf061b0036105cf097b61c60942e649bb07b6

    SHA256

    dc00c280172f46140f2d24bdfecce1cb5ee10d258f14b3c482b312fe47ff57c7

    SHA512

    8e76fc6d2c0f1c962a74a7073aa0d59717078528694a5782db51883612f9e79cd79c2164688d14d60c72b490abe9e4f6bb7b1d8c80a2aae6e08539d618911d11

  • C:\Windows\SysWOW64\Nlcnda32.exe

    Filesize

    55KB

    MD5

    55ea1425b42210f37827126300eed4bd

    SHA1

    b4ebf061b0036105cf097b61c60942e649bb07b6

    SHA256

    dc00c280172f46140f2d24bdfecce1cb5ee10d258f14b3c482b312fe47ff57c7

    SHA512

    8e76fc6d2c0f1c962a74a7073aa0d59717078528694a5782db51883612f9e79cd79c2164688d14d60c72b490abe9e4f6bb7b1d8c80a2aae6e08539d618911d11

  • C:\Windows\SysWOW64\Nlhgoqhh.exe

    Filesize

    55KB

    MD5

    77302620990a4f0dd9689ea719258a69

    SHA1

    6abec0ecbab71e9ea6377f7dfd61833276ccadf2

    SHA256

    23a3d34cd7b3bea328b00d545e2c52617068817a09acd5d19a015cbb3c36296e

    SHA512

    12c03055c2ce8e3da780300130cf00a5d2da2ce00565f016dc03a0b11539dc50563e74dcf46d887be690f1e1f94c744d764c8e444a78add0e4f8f679efd7d729

  • C:\Windows\SysWOW64\Nlhgoqhh.exe

    Filesize

    55KB

    MD5

    77302620990a4f0dd9689ea719258a69

    SHA1

    6abec0ecbab71e9ea6377f7dfd61833276ccadf2

    SHA256

    23a3d34cd7b3bea328b00d545e2c52617068817a09acd5d19a015cbb3c36296e

    SHA512

    12c03055c2ce8e3da780300130cf00a5d2da2ce00565f016dc03a0b11539dc50563e74dcf46d887be690f1e1f94c744d764c8e444a78add0e4f8f679efd7d729

  • C:\Windows\SysWOW64\Npagjpcd.exe

    Filesize

    55KB

    MD5

    b42198202b6526190ee5fb34a8f77894

    SHA1

    f3799a3e47e60d40d0a811caec3b6f4636154182

    SHA256

    3b55601d5ba2a1d6a112aff2c726a8df98f9e08c21dba657f7918efdb05afb87

    SHA512

    7b3eab45ff90156cd2a0ba5532890725680326ee87108da8d37ac63f0bee6800941b8d355b99292dcdfd17efec19a4abd29ddccc17a26f3b06e6b7cc4a506137

  • C:\Windows\SysWOW64\Npagjpcd.exe

    Filesize

    55KB

    MD5

    b42198202b6526190ee5fb34a8f77894

    SHA1

    f3799a3e47e60d40d0a811caec3b6f4636154182

    SHA256

    3b55601d5ba2a1d6a112aff2c726a8df98f9e08c21dba657f7918efdb05afb87

    SHA512

    7b3eab45ff90156cd2a0ba5532890725680326ee87108da8d37ac63f0bee6800941b8d355b99292dcdfd17efec19a4abd29ddccc17a26f3b06e6b7cc4a506137

  • C:\Windows\SysWOW64\Npagjpcd.exe

    Filesize

    55KB

    MD5

    b42198202b6526190ee5fb34a8f77894

    SHA1

    f3799a3e47e60d40d0a811caec3b6f4636154182

    SHA256

    3b55601d5ba2a1d6a112aff2c726a8df98f9e08c21dba657f7918efdb05afb87

    SHA512

    7b3eab45ff90156cd2a0ba5532890725680326ee87108da8d37ac63f0bee6800941b8d355b99292dcdfd17efec19a4abd29ddccc17a26f3b06e6b7cc4a506137

  • \Windows\SysWOW64\Nenobfak.exe

    Filesize

    55KB

    MD5

    d1de72e87d4963f4c5d4d8288a0d34f4

    SHA1

    d06739127207d83defecd851f6f30c4d1a45c8e2

    SHA256

    a6e04975792ee62aa01cf998804013f7cc01ab7d335206dea4e591e2f38dff86

    SHA512

    07bba7f4d5d7d151637686815c237b14276ca988eadae2ba3ecfd8583df50eb5eaa22fd5413fa5d64b936966001503e572a579eb71d1f900d3ab21114d640005

  • \Windows\SysWOW64\Nenobfak.exe

    Filesize

    55KB

    MD5

    d1de72e87d4963f4c5d4d8288a0d34f4

    SHA1

    d06739127207d83defecd851f6f30c4d1a45c8e2

    SHA256

    a6e04975792ee62aa01cf998804013f7cc01ab7d335206dea4e591e2f38dff86

    SHA512

    07bba7f4d5d7d151637686815c237b14276ca988eadae2ba3ecfd8583df50eb5eaa22fd5413fa5d64b936966001503e572a579eb71d1f900d3ab21114d640005

  • \Windows\SysWOW64\Nlcnda32.exe

    Filesize

    55KB

    MD5

    55ea1425b42210f37827126300eed4bd

    SHA1

    b4ebf061b0036105cf097b61c60942e649bb07b6

    SHA256

    dc00c280172f46140f2d24bdfecce1cb5ee10d258f14b3c482b312fe47ff57c7

    SHA512

    8e76fc6d2c0f1c962a74a7073aa0d59717078528694a5782db51883612f9e79cd79c2164688d14d60c72b490abe9e4f6bb7b1d8c80a2aae6e08539d618911d11

  • \Windows\SysWOW64\Nlcnda32.exe

    Filesize

    55KB

    MD5

    55ea1425b42210f37827126300eed4bd

    SHA1

    b4ebf061b0036105cf097b61c60942e649bb07b6

    SHA256

    dc00c280172f46140f2d24bdfecce1cb5ee10d258f14b3c482b312fe47ff57c7

    SHA512

    8e76fc6d2c0f1c962a74a7073aa0d59717078528694a5782db51883612f9e79cd79c2164688d14d60c72b490abe9e4f6bb7b1d8c80a2aae6e08539d618911d11

  • \Windows\SysWOW64\Nlhgoqhh.exe

    Filesize

    55KB

    MD5

    77302620990a4f0dd9689ea719258a69

    SHA1

    6abec0ecbab71e9ea6377f7dfd61833276ccadf2

    SHA256

    23a3d34cd7b3bea328b00d545e2c52617068817a09acd5d19a015cbb3c36296e

    SHA512

    12c03055c2ce8e3da780300130cf00a5d2da2ce00565f016dc03a0b11539dc50563e74dcf46d887be690f1e1f94c744d764c8e444a78add0e4f8f679efd7d729

  • \Windows\SysWOW64\Nlhgoqhh.exe

    Filesize

    55KB

    MD5

    77302620990a4f0dd9689ea719258a69

    SHA1

    6abec0ecbab71e9ea6377f7dfd61833276ccadf2

    SHA256

    23a3d34cd7b3bea328b00d545e2c52617068817a09acd5d19a015cbb3c36296e

    SHA512

    12c03055c2ce8e3da780300130cf00a5d2da2ce00565f016dc03a0b11539dc50563e74dcf46d887be690f1e1f94c744d764c8e444a78add0e4f8f679efd7d729

  • \Windows\SysWOW64\Npagjpcd.exe

    Filesize

    55KB

    MD5

    b42198202b6526190ee5fb34a8f77894

    SHA1

    f3799a3e47e60d40d0a811caec3b6f4636154182

    SHA256

    3b55601d5ba2a1d6a112aff2c726a8df98f9e08c21dba657f7918efdb05afb87

    SHA512

    7b3eab45ff90156cd2a0ba5532890725680326ee87108da8d37ac63f0bee6800941b8d355b99292dcdfd17efec19a4abd29ddccc17a26f3b06e6b7cc4a506137

  • \Windows\SysWOW64\Npagjpcd.exe

    Filesize

    55KB

    MD5

    b42198202b6526190ee5fb34a8f77894

    SHA1

    f3799a3e47e60d40d0a811caec3b6f4636154182

    SHA256

    3b55601d5ba2a1d6a112aff2c726a8df98f9e08c21dba657f7918efdb05afb87

    SHA512

    7b3eab45ff90156cd2a0ba5532890725680326ee87108da8d37ac63f0bee6800941b8d355b99292dcdfd17efec19a4abd29ddccc17a26f3b06e6b7cc4a506137

  • memory/2316-25-0x0000000000220000-0x0000000000253000-memory.dmp

    Filesize

    204KB

  • memory/2316-27-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2632-52-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2652-42-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2668-59-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2836-6-0x0000000000220000-0x0000000000253000-memory.dmp

    Filesize

    204KB

  • memory/2836-0-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2836-58-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2836-12-0x0000000000220000-0x0000000000253000-memory.dmp

    Filesize

    204KB