Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2023 12:16

General

  • Target

    NEAS.f0c70ae1be033fd0d1adce3f227e48b0.exe

  • Size

    30KB

  • MD5

    f0c70ae1be033fd0d1adce3f227e48b0

  • SHA1

    cc2c59e7d1fc2d07374e9bbd90f10976ffed6023

  • SHA256

    bf069d64bb63403bb3796f2bbcb6c728b7abdd8bada29cbfba7e4150a84e5aae

  • SHA512

    a4130fbf3b3636f5970a4cbba8fbeac78e8d1c0400918069ecec9a6bc2c3d4f58dfa3010cebc18d16485369c0db7f991d898a39248a784154055aebd7980bf74

  • SSDEEP

    768:XYqTTIINYPjrxIF0GKZ15f8TeCA4SR/sAxSTKDTho008ldjY:XYcNY0KZrtBxSTKRo0VxY

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.f0c70ae1be033fd0d1adce3f227e48b0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.f0c70ae1be033fd0d1adce3f227e48b0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\ffengh.exe
      "C:\Users\Admin\AppData\Local\Temp\ffengh.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2452

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

    603bc7545105caff8cfbccd9f758daa8

    SHA1

    bae303e691e2a92209abe67aa444205afcd78b08

    SHA256

    2aa8852be2f1f96e202357643e484c78d98d1d120a00f186729cf04f31e5ac52

    SHA512

    df425bdde99b1516aeb10603f09ff93bc5619450b5cc548942772e2dcf22135d63541871fdaac8f0f2509c8df65f6b658aaffbf35db58280a5751d3097cc2297

  • C:\Users\Admin\AppData\Local\Temp\Cab6D65.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar6E33.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

    Filesize

    30KB

    MD5

    0bc8b6b57919c34179f3b58ccc064898

    SHA1

    90c06b624cad2263d471a0faff73feafc8aa8a6f

    SHA256

    06b36ee3f3c8697e3c709db57572c592ec5fbb5b67e977cf3857f5c81fe7b893

    SHA512

    c8ce688ea5b394d48271bfc686fefdac705a8719d6ce6e81693866cd347e344a1d52a486144686885551d96fd1ebb984477f9589e6b7278b87e7a549e2d4cc7b

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

    Filesize

    30KB

    MD5

    0bc8b6b57919c34179f3b58ccc064898

    SHA1

    90c06b624cad2263d471a0faff73feafc8aa8a6f

    SHA256

    06b36ee3f3c8697e3c709db57572c592ec5fbb5b67e977cf3857f5c81fe7b893

    SHA512

    c8ce688ea5b394d48271bfc686fefdac705a8719d6ce6e81693866cd347e344a1d52a486144686885551d96fd1ebb984477f9589e6b7278b87e7a549e2d4cc7b

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

    Filesize

    30KB

    MD5

    0bc8b6b57919c34179f3b58ccc064898

    SHA1

    90c06b624cad2263d471a0faff73feafc8aa8a6f

    SHA256

    06b36ee3f3c8697e3c709db57572c592ec5fbb5b67e977cf3857f5c81fe7b893

    SHA512

    c8ce688ea5b394d48271bfc686fefdac705a8719d6ce6e81693866cd347e344a1d52a486144686885551d96fd1ebb984477f9589e6b7278b87e7a549e2d4cc7b

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

    Filesize

    30KB

    MD5

    0bc8b6b57919c34179f3b58ccc064898

    SHA1

    90c06b624cad2263d471a0faff73feafc8aa8a6f

    SHA256

    06b36ee3f3c8697e3c709db57572c592ec5fbb5b67e977cf3857f5c81fe7b893

    SHA512

    c8ce688ea5b394d48271bfc686fefdac705a8719d6ce6e81693866cd347e344a1d52a486144686885551d96fd1ebb984477f9589e6b7278b87e7a549e2d4cc7b

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

    Filesize

    30KB

    MD5

    0bc8b6b57919c34179f3b58ccc064898

    SHA1

    90c06b624cad2263d471a0faff73feafc8aa8a6f

    SHA256

    06b36ee3f3c8697e3c709db57572c592ec5fbb5b67e977cf3857f5c81fe7b893

    SHA512

    c8ce688ea5b394d48271bfc686fefdac705a8719d6ce6e81693866cd347e344a1d52a486144686885551d96fd1ebb984477f9589e6b7278b87e7a549e2d4cc7b

  • memory/1724-0-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/1724-9-0x00000000003F0000-0x00000000003F7000-memory.dmp

    Filesize

    28KB

  • memory/1724-10-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB