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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    23/10/2023, 19:02

General

  • Target

    NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.exe

  • Size

    777KB

  • MD5

    4abfaf19fd44f9b9ffc784aedfaefa60

  • SHA1

    2bf3a7fb295863ef3771649685495f3515dab34c

  • SHA256

    24d633b67de85c90c5612def6fae851b0592803024d4a101d247d52d2ac812ef

  • SHA512

    8f45cf155d7a9a19c127fc9adc1607cde639731fab6bd6675920d500c83b98d04633fe737ae6d1a26c5a40b83bc41a3ccc72b38696d510255613be3fe1496e2d

  • SSDEEP

    12288:4aHc64R1888888888888W88888888888EK3Oe5hLdGoNn+74bx6rPIasN8pc68bW:f86KIKL0sGhszbevHUizQwzUAja6APyb

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Local\Temp\is-98UFO.tmp\NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-98UFO.tmp\NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.tmp" /SL5="$80154,261042,119808,C:\Users\Admin\AppData\Local\Temp\NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Users\Admin\AppData\Local\Temp\is-U2ER7.tmp\rkverify.exe
        "C:\Users\Admin\AppData\Local\Temp\is-U2ER7.tmp\rkverify.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2096
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2936

    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

      3ceddd328f3f0c6fba9c0fe1abe7aa92

      SHA1

      a91ebd97f2a550bf58e6f3e30ea51e3baa5b8e27

      SHA256

      806582ca009291a325e931007f541c11fc133b6efd0c9e8e7bb3d103afbddbac

      SHA512

      413d025e5c8f7a4e1efe9ae77b2757659ec232337e837b0f6b524afa91fadfd0e0a1aaa462102b682c0676006af06541dfa64ca618dfcade74c8b5d1e2388061

    • C:\Users\Admin\AppData\Local\Temp\CSM709E.tmp

      Filesize

      299KB

      MD5

      d40892a5ba953d7fd83cd529f87df0ac

      SHA1

      4f57a51dcc9f3312d7a02568981c8f1783391cc0

      SHA256

      dca6255185e07a313263f1c6d04908647d6e49abb3596c4d1691d6632613799e

      SHA512

      8483b81bf8ba84c35bb2d8b036fb1024b14eea17429bbd872b7e88fad7ad9ef65d6d583a3aafc060ae30b4e91a4a41a9caaeca0fa83a9e1065af791cb483a16c

    • C:\Users\Admin\AppData\Local\Temp\Cab6B81.tmp

      Filesize

      61KB

      MD5

      f3441b8572aae8801c04f3060b550443

      SHA1

      4ef0a35436125d6821831ef36c28ffaf196cda15

      SHA256

      6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

      SHA512

      5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

    • C:\Users\Admin\AppData\Local\Temp\Tar6BC3.tmp

      Filesize

      163KB

      MD5

      9441737383d21192400eca82fda910ec

      SHA1

      725e0d606a4fc9ba44aa8ffde65bed15e65367e4

      SHA256

      bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

      SHA512

      7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

    • C:\Users\Admin\AppData\Local\Temp\is-98UFO.tmp\NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.tmp

      Filesize

      1.1MB

      MD5

      d5d303dbabe599c5b4c9b96571d1b599

      SHA1

      265641e6144297bfe761ca3b332349e0d0b7a5b5

      SHA256

      e277bc4cc95eec3a3b1341270f62c12adcf2c6ed666f59f611219e4193d1fe44

      SHA512

      de44eac295721c07c789a1c5862e1522a0c0a73d0a0e6d016de60672fab447e7eae5b7b5ad9ae2be2cadf1d9559cdadc6bd2367a195172305085ab1bc2c683be

    • C:\Users\Admin\AppData\Local\Temp\is-98UFO.tmp\NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.tmp

      Filesize

      1.1MB

      MD5

      d5d303dbabe599c5b4c9b96571d1b599

      SHA1

      265641e6144297bfe761ca3b332349e0d0b7a5b5

      SHA256

      e277bc4cc95eec3a3b1341270f62c12adcf2c6ed666f59f611219e4193d1fe44

      SHA512

      de44eac295721c07c789a1c5862e1522a0c0a73d0a0e6d016de60672fab447e7eae5b7b5ad9ae2be2cadf1d9559cdadc6bd2367a195172305085ab1bc2c683be

    • C:\Users\Admin\AppData\Local\Temp\is-U2ER7.tmp\rkverify.exe

      Filesize

      595KB

      MD5

      60db193bce83f05363c874fec9b310c5

      SHA1

      e1ceb44b70f37f47d92a02c113b59414ba346d81

      SHA256

      10fb5a7c13814e3d45fabfe448ea1fd7e3a12fbded649385310b005cfe8ab18f

      SHA512

      6b87de59cd3e769c2a4eb8db24f1c3c5d7eea78abd014fa326da8b4d1b119d2d7a9796ccc8d38e51ec963d9f7e13bc46c34293cae411159c83849d78a7bc81a2

    • C:\Users\Admin\AppData\Local\Temp\is-U2ER7.tmp\rkverify.exe

      Filesize

      595KB

      MD5

      60db193bce83f05363c874fec9b310c5

      SHA1

      e1ceb44b70f37f47d92a02c113b59414ba346d81

      SHA256

      10fb5a7c13814e3d45fabfe448ea1fd7e3a12fbded649385310b005cfe8ab18f

      SHA512

      6b87de59cd3e769c2a4eb8db24f1c3c5d7eea78abd014fa326da8b4d1b119d2d7a9796ccc8d38e51ec963d9f7e13bc46c34293cae411159c83849d78a7bc81a2

    • \Users\Admin\AppData\Local\Temp\CSM709E.tmp

      Filesize

      299KB

      MD5

      d40892a5ba953d7fd83cd529f87df0ac

      SHA1

      4f57a51dcc9f3312d7a02568981c8f1783391cc0

      SHA256

      dca6255185e07a313263f1c6d04908647d6e49abb3596c4d1691d6632613799e

      SHA512

      8483b81bf8ba84c35bb2d8b036fb1024b14eea17429bbd872b7e88fad7ad9ef65d6d583a3aafc060ae30b4e91a4a41a9caaeca0fa83a9e1065af791cb483a16c

    • \Users\Admin\AppData\Local\Temp\CSM709E.tmp

      Filesize

      299KB

      MD5

      d40892a5ba953d7fd83cd529f87df0ac

      SHA1

      4f57a51dcc9f3312d7a02568981c8f1783391cc0

      SHA256

      dca6255185e07a313263f1c6d04908647d6e49abb3596c4d1691d6632613799e

      SHA512

      8483b81bf8ba84c35bb2d8b036fb1024b14eea17429bbd872b7e88fad7ad9ef65d6d583a3aafc060ae30b4e91a4a41a9caaeca0fa83a9e1065af791cb483a16c

    • \Users\Admin\AppData\Local\Temp\is-98UFO.tmp\NEAS.4abfaf19fd44f9b9ffc784aedfaefa60_JC.tmp

      Filesize

      1.1MB

      MD5

      d5d303dbabe599c5b4c9b96571d1b599

      SHA1

      265641e6144297bfe761ca3b332349e0d0b7a5b5

      SHA256

      e277bc4cc95eec3a3b1341270f62c12adcf2c6ed666f59f611219e4193d1fe44

      SHA512

      de44eac295721c07c789a1c5862e1522a0c0a73d0a0e6d016de60672fab447e7eae5b7b5ad9ae2be2cadf1d9559cdadc6bd2367a195172305085ab1bc2c683be

    • \Users\Admin\AppData\Local\Temp\is-U2ER7.tmp\itdownload.dll

      Filesize

      200KB

      MD5

      d82a429efd885ca0f324dd92afb6b7b8

      SHA1

      86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

      SHA256

      b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

      SHA512

      5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

    • \Users\Admin\AppData\Local\Temp\is-U2ER7.tmp\rkverify.exe

      Filesize

      595KB

      MD5

      60db193bce83f05363c874fec9b310c5

      SHA1

      e1ceb44b70f37f47d92a02c113b59414ba346d81

      SHA256

      10fb5a7c13814e3d45fabfe448ea1fd7e3a12fbded649385310b005cfe8ab18f

      SHA512

      6b87de59cd3e769c2a4eb8db24f1c3c5d7eea78abd014fa326da8b4d1b119d2d7a9796ccc8d38e51ec963d9f7e13bc46c34293cae411159c83849d78a7bc81a2

    • memory/2460-12-0x0000000002E30000-0x0000000002E6C000-memory.dmp

      Filesize

      240KB

    • memory/2460-18-0x0000000002E30000-0x0000000002E6C000-memory.dmp

      Filesize

      240KB

    • memory/2460-17-0x0000000000400000-0x000000000052D000-memory.dmp

      Filesize

      1.2MB

    • memory/2460-143-0x00000000042D0000-0x00000000042E0000-memory.dmp

      Filesize

      64KB

    • memory/2460-8-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

    • memory/2460-20-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

    • memory/2460-146-0x0000000000400000-0x000000000052D000-memory.dmp

      Filesize

      1.2MB

    • memory/2460-149-0x0000000002E30000-0x0000000002E6C000-memory.dmp

      Filesize

      240KB

    • memory/2544-1-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

    • memory/2544-14-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB