Analysis

  • max time kernel
    129s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2023, 14:20

General

  • Target

    NEAS.d166f84c9465ea4da0c4461d8d217ea0.exe

  • Size

    37KB

  • MD5

    d166f84c9465ea4da0c4461d8d217ea0

  • SHA1

    3e28919620e5961b5720d445fc66a5665f457913

  • SHA256

    8d9a1d442be7d73b01146cf1a505b89831e79a6f1958765fd4baaef8b6dff9d0

  • SHA512

    7a4eb1e92732bd8584bb04e9ff8f5e6e8842ff914aad94edd9ec1c2a836aa4cbcae8c64c97d03c51ed988c0a89ded021d519476c0cd9a92a831ec317f56b17ed

  • SSDEEP

    768:sAI5y4MnESa8AELv4Y3xXJrv5KtWCwQgaV:skEuANY3BrqwQgaV

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.d166f84c9465ea4da0c4461d8d217ea0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.d166f84c9465ea4da0c4461d8d217ea0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Users\Admin\AppData\Local\Temp\ieupdate.exe
      "C:\Users\Admin\AppData\Local\Temp\ieupdate.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    8bbb5db526cafdf0966c970040923df0

    SHA1

    a384d65638fd0dcf0f00ae6051e5365dfaa73751

    SHA256

    659c18c18ea2520ddc97516bf2743f369d38c065aa5c5761f3ac296a718cece5

    SHA512

    471736a7f2fa70d8dddda0bc0016fbbd23fe2d1607aacce3548917f59985ec67792248fd75c06c015fd00b1ff45e70e1baabc08494ee670efdf507c93ac9cc7e

  • C:\Users\Admin\AppData\Local\Temp\CabA640.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarA681.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\Temp\ieupdate.exe

    Filesize

    37KB

    MD5

    df517eddebaac68c2ccea686dad61e8c

    SHA1

    75d3d069f86dc41b4ef6e37abe905b07a3d6c61c

    SHA256

    0f0f5fe739f88a36de06a83bcd11a366332b1c128e45bb2bc00fd10c7c3f39e5

    SHA512

    5dcd7c21fb1f78626dea253f6760cdd5f4bf92a2eea4d4e6c7468b7659ed9c5ef27bd9494fdb7e7b1affff47fb2e7ffa26dd44e1c80424d7df0198cf91a8e27c

  • C:\Users\Admin\AppData\Local\Temp\ieupdate.exe

    Filesize

    37KB

    MD5

    df517eddebaac68c2ccea686dad61e8c

    SHA1

    75d3d069f86dc41b4ef6e37abe905b07a3d6c61c

    SHA256

    0f0f5fe739f88a36de06a83bcd11a366332b1c128e45bb2bc00fd10c7c3f39e5

    SHA512

    5dcd7c21fb1f78626dea253f6760cdd5f4bf92a2eea4d4e6c7468b7659ed9c5ef27bd9494fdb7e7b1affff47fb2e7ffa26dd44e1c80424d7df0198cf91a8e27c

  • \Users\Admin\AppData\Local\Temp\ieupdate.exe

    Filesize

    37KB

    MD5

    df517eddebaac68c2ccea686dad61e8c

    SHA1

    75d3d069f86dc41b4ef6e37abe905b07a3d6c61c

    SHA256

    0f0f5fe739f88a36de06a83bcd11a366332b1c128e45bb2bc00fd10c7c3f39e5

    SHA512

    5dcd7c21fb1f78626dea253f6760cdd5f4bf92a2eea4d4e6c7468b7659ed9c5ef27bd9494fdb7e7b1affff47fb2e7ffa26dd44e1c80424d7df0198cf91a8e27c

  • memory/2056-7-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2796-1-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB