Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2023 14:21

General

  • Target

    NEAS.d4aab7bbe8b9d18ec3da51b3c2d9bf00.exe

  • Size

    21KB

  • MD5

    d4aab7bbe8b9d18ec3da51b3c2d9bf00

  • SHA1

    fbd8f48932abf93c5a1ffaccb4e4bcad4c136d7e

  • SHA256

    d47ea3c6ce2cafcff7434f5179d2f6100d1b1e1790f492abe73e9bf6d2e47e42

  • SHA512

    0e908897ad460018b96cf668af5aba5ad6d5e84624eab100b264f7cc3c140bf4dd91f3693bb08fda15f256ad78c18a7355aff345c9de0fb97865209debdc4560

  • SSDEEP

    192:Q54euZSchV1Efj9HjU4uMIKOFkJHwDFIp8zaubYpmc8RhCfL8TsGCc0Spxhw7nmS:I4eyhV+fxqtWiXYpgG5lFqw4gj5Z

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 10 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.d4aab7bbe8b9d18ec3da51b3c2d9bf00.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.d4aab7bbe8b9d18ec3da51b3c2d9bf00.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1336

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

    1a7b97f1817df3610f64bf636f1f65fb

    SHA1

    d49a948db2b61ab0d95c429577b34421511f16a4

    SHA256

    027375e897aa81ef39d32c1abde5835d54f4692b9bdc8b9122a070ce0513fd95

    SHA512

    cd21ad5ad980a18530e35dcd9a6442b11d58b0b40661f2ef3b64c4b9470921e127c32b7c16e45d5165b8ac091365402b7378873259ae81b01bdbe0ffe8e196b4

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

    Filesize

    344B

    MD5

    d3df770fa021b6228db996c10d00935c

    SHA1

    ee92b5f1b2cf519c40f147523e27e4b3e0b2c7f8

    SHA256

    b6ab77151ac7ca252003933a1859b85ceec170063dd75a7d983820a653e41506

    SHA512

    2fdb2a07aebbbd5beffe49646ff3a290e5e9cdbf88f4bb345f81336839b53583fc80c8aae23443600799de70c77bfa0dfb54bc0130477900549efb2c34a6f719

  • C:\Users\Admin\AppData\Local\Temp\Cab61F1.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar6223.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

    Filesize

    21KB

    MD5

    c88aa1fa03fce80c6dcd27f8850697fc

    SHA1

    640b8ed6bf3816ebc79806a54fc0b5666056ae19

    SHA256

    e819f85a671f6dbd6670800aff8c551ef5e0744b8bc0bf8c5f7c36e308115254

    SHA512

    c8110e828e4b9bdbbc02cd80d33676821d62d5fe62935c2118c4745f5311bf8010caa47cce1b019155fd2cb1df0bc8d2ef70af9fbd80986921c664deca979e72

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

    Filesize

    21KB

    MD5

    c88aa1fa03fce80c6dcd27f8850697fc

    SHA1

    640b8ed6bf3816ebc79806a54fc0b5666056ae19

    SHA256

    e819f85a671f6dbd6670800aff8c551ef5e0744b8bc0bf8c5f7c36e308115254

    SHA512

    c8110e828e4b9bdbbc02cd80d33676821d62d5fe62935c2118c4745f5311bf8010caa47cce1b019155fd2cb1df0bc8d2ef70af9fbd80986921c664deca979e72

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

    Filesize

    21KB

    MD5

    c88aa1fa03fce80c6dcd27f8850697fc

    SHA1

    640b8ed6bf3816ebc79806a54fc0b5666056ae19

    SHA256

    e819f85a671f6dbd6670800aff8c551ef5e0744b8bc0bf8c5f7c36e308115254

    SHA512

    c8110e828e4b9bdbbc02cd80d33676821d62d5fe62935c2118c4745f5311bf8010caa47cce1b019155fd2cb1df0bc8d2ef70af9fbd80986921c664deca979e72

  • memory/1336-11-0x0000000001E40000-0x0000000001E41000-memory.dmp

    Filesize

    4KB

  • memory/1336-12-0x0000000002630000-0x0000000002A30000-memory.dmp

    Filesize

    4.0MB

  • memory/1336-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2468-3-0x0000000002680000-0x0000000002A80000-memory.dmp

    Filesize

    4.0MB

  • memory/2468-1-0x0000000001D90000-0x0000000001D91000-memory.dmp

    Filesize

    4KB