Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 05:20

General

  • Target

    a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a.exe

  • Size

    83KB

  • MD5

    0d4e2a192df1abaf9edb4a3673a61096

  • SHA1

    ea32f10e12ddba6c400c7159fbdafcd53a9c719a

  • SHA256

    a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a

  • SHA512

    7f9e2299634f58bad94b3b51ffee0d1a9e370052baa7252d0343dbabba61f61efd491e0baeba97adecaad337620190b20cbf43b007936364750fdfde5c341d12

  • SSDEEP

    1536:u0j+84T8bivhkKCoVRpfujc/YwmXKeXWhAaG8xDMmWoQUnUotu:u0v4Yb2eruGgAaeXWhTj+feu

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 34 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a.exe
    "C:\Users\Admin\AppData\Local\Temp\a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a.sys
      C:\Users\Admin\AppData\Local\Temp\a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a.sys /zhj
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      PID:4892
    • C:\Windows\YZH.exe
      C:\Windows\YZH.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\YZH.sys
        C:\Windows\YZH.sys /zhj
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        PID:1076

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\7z.exe

    Filesize

    541KB

    MD5

    a3b12a4cdfe9b4097ac3ba9686c51c66

    SHA1

    2f507505d1a5c7a08a94ea0b977fe1ea1ac5e196

    SHA256

    2a6c7f477f3edc8ea6e105ace86141ec813e9782ef01bf556cc6c7d00d758ea8

    SHA512

    06540d164ab2f7da2763eb96863bf55c9d02b444b6a31a0e70d5866dd736ddf9a3753013e191ffae64457a43550068d16c2ea6091d8d4f9da575ef8cdc4af1de

  • C:\Program Files\7-Zip\7zFM.exe

    Filesize

    930KB

    MD5

    e629fc142b4321cb311bf0cc13c1cc34

    SHA1

    97d5be5dc1e8d6a42510a7e57f9dcdb1bec97361

    SHA256

    841b3e9d78a25557defb12678cf7b50c101374656a3d94394ecf026ccd1e66c6

    SHA512

    f93e76f97bff15cf6c9494c13a5208f074d3edddca393c0cce4922ceb2747c5f9e56e9c6c1b89345c05abd38fda36c553fcdb9f2a423d42921ea8019e173118d

  • C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe

    Filesize

    130KB

    MD5

    c80d8258d019ec66ce94c461d8af2d5f

    SHA1

    e5f2b92bfb37ea171c4a7ab171b947eb8783449d

    SHA256

    122481d0123424f0431256c8716cf77cb7168867abea5256a69d53a039e034eb

    SHA512

    f537c0e8678a421c97feb101209e18b4244e2c1dc71b7cf0f13dc426327c43ae0f7762c5b55065e12f95064e7f1a28dcdb9dddc62a56d1eb545fe3558be252e3

  • C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\setup.exe

    Filesize

    2.8MB

    MD5

    99eed805535a2fb947f44c34de2103d7

    SHA1

    3903bb536bf6c590fc83fa7801557be26813bcf8

    SHA256

    017763b556fa8b55beea6683bb2dc9aec0c01f27c9a45f98bb75f0973b469df0

    SHA512

    8a8ccdef2854278364f3ddca4888bd3f038eac623efddee7f7ee36a1c7831120a4419850223d6baf2d2e7592c0422011211cdbc7f012d7f1c683ba74d523d10a

  • C:\Program Files\Google\Chrome\Application\89.0.4389.114\notification_helper.exe

    Filesize

    1.1MB

    MD5

    ecc334fd783f3a5a5be278102a85d201

    SHA1

    35d37edf80f33aab897a758735d199095da68121

    SHA256

    b1b013bd5d3b9c1b62c36e34d6a56845e211f7c92a70a270fd29a710552dafa5

    SHA512

    3384c4dd975718965e40f5ecee4ad7cb24d86e1198c538520a4a3b85c67ddc58c24ba20f4d2bb155f1136e7fbe280e5590c234127a82be307c4aac6c6372edd7

  • C:\Program Files\Google\Chrome\Application\chrome_proxy.exe

    Filesize

    961KB

    MD5

    63352f9b77f14cd97eca4faa599c37ec

    SHA1

    88211172aa5fd27c16ffe77f8bb56a25aac2ff74

    SHA256

    121c0842c044e85c4919c464485637661102c36eb484cf1dcaa275d0310af748

    SHA512

    fe1eaab2dd0e42ce01839208d471ff54c64080cc7df83fd39dab46bac967e58469bc46d8ff765b1a7100e04ff56cfc7ff3108daf6e545259ab8fa76676a34ccf

  • C:\Program Files\Java\jdk1.8.0_66\bin\idlj.exe

    Filesize

    99KB

    MD5

    e99dee883be55166178053f64ef99654

    SHA1

    14d9eee0348b1d1c6dd21c78975aa8e9963e151a

    SHA256

    10a11e1def80309e51e2511a929c62fcddf05b2381a470599c2f4ec76250e6e0

    SHA512

    cfd5f58f1a4164ac789aeec5f386223c1fadd2ec5034d3bca5ac6feaaf29def832953c97fed9217af8dfc4d202433283fbab070eb11db842360b539f5ec8dfe8

  • C:\Program Files\Java\jdk1.8.0_66\bin\java.exe

    Filesize

    285KB

    MD5

    6a7e34fdee44b33a99b6f6dbca5a13f2

    SHA1

    9f53503ce775431f10a97bcc3b139adb44e1a7fd

    SHA256

    a476670745e4354a8195caa3fba5096c7ebdbbc57409b46354608351c555ce20

    SHA512

    8687a86fc12d08e2f004ff8a02cdc539bef8917b53b9afadc54af134fdb1bbe4944c2da0e9992a5f9a2d90b4739cd051339741f6faccdaf95f7213fa04c843ad

  • C:\Program Files\Java\jdk1.8.0_66\bin\javac.exe

    Filesize

    98KB

    MD5

    e8db7e482a1127482d4c03f537736543

    SHA1

    44ac81f2c3f48cc252b226e72d93398f49001241

    SHA256

    3017138ffe9c31a5806343dd75eb714fe986c65d6da560ebbd41a724ee5ad0f7

    SHA512

    4c32f9a934a7e371a0f7c59113dd3942a72a81ff44d5fa4965caa7c907326036083d8cead2f6f35ab6301c52325ec1b0b9a59c971648987edfa17a494d199999

  • C:\Program Files\Java\jdk1.8.0_66\bin\jcmd.exe

    Filesize

    98KB

    MD5

    5c53a30dc1522c40ea5385f060ae6c32

    SHA1

    90f1c0637fb8b85f35a71b71798b01d89828d911

    SHA256

    3f1248f1c168f374c27494bfc7c3092be0d6802ce3156c5e5bf78fefdff4de70

    SHA512

    b64b14dd4395ae4b75416cdbcfca697802c4479abab075c12c41e7fbd335bb0402e05255ee9fc945efb3f8b6c9ac802e1cb785919a1e91a8a0196c862cad401f

  • C:\Program Files\Java\jdk1.8.0_66\bin\jdb.exe

    Filesize

    99KB

    MD5

    c32f13d66c0fb072f6e5689c7bb69f63

    SHA1

    8e05d1765f561b556eee26c5403a1053bd3888a9

    SHA256

    1953135cee91e9ab556a3fe00814399670d1104c2594b7cdce5ce4d3494aca74

    SHA512

    c7d31484986c643e24d2f0056eefd2fea381ed5ff97f6205c6612c4be771ee7306a927163dfa516732443941adea9e9b7ac248b72029db16d81f871dbbf66c17

  • C:\Program Files\Java\jdk1.8.0_66\bin\jhat.exe

    Filesize

    98KB

    MD5

    2a444a313fe49c4093052a9a51b49b41

    SHA1

    626dad75af883c6c08ecb1c51abe9decd5c531a6

    SHA256

    74a810461dfbee0630101756fa4fb7d0b733e0656d50cc803357bfffa57cca55

    SHA512

    02185335acf61341d77b45466f77afb661e8d377a44b177876d5c5856a2851bfca3009093116cabc145ddcd3203eb4c17fff76243992629c2c1e47d2c7ad2dc0

  • C:\Program Files\Java\jdk1.8.0_66\bin\jps.exe

    Filesize

    98KB

    MD5

    4296e4bc0a6a536b491c078993ef2479

    SHA1

    fe07313c32a6ad533d0f713ae606ac812918e5c8

    SHA256

    c6dc280aa8192a54dbc8e238a80c1b5faa593a3d34ad70567071bf38032675b2

    SHA512

    958492a56adeb73d20d40216638aee384bf10689f292ed55130099514f9cb909fd42b031280e28e7c68141210ac58a480bc1e8d8d2f3e7cfac7bf276e08e51a7

  • C:\Program Files\Java\jdk1.8.0_66\bin\jstatd.exe

    Filesize

    98KB

    MD5

    0eaf9fa0a2b92a9e1a246863f52cfa21

    SHA1

    99f439a7a0450497ce37a8a6244acd263a098bf4

    SHA256

    14ba3683b36594c86c49e108f4ea1bed6e0a6b566db4a6006e1097a0b87a194b

    SHA512

    9157cb4ca352421f7d5cc4ee5962a37db54e6d5b9ca454f6994cdea1cfc7ad3eeacbb22e64f62ae5ba6239517249de9da0ccb89b75df1a9ba268d5be2d64b3a7

  • C:\Program Files\Java\jdk1.8.0_66\bin\orbd.exe

    Filesize

    99KB

    MD5

    cfc3e10d894a775f54881cf8f88ceec7

    SHA1

    f4abb00ab41af679094b99c11a792400d17098ed

    SHA256

    4cbbfb9d599f4294a36047991179da4925d3f114398faddd7bca59e87711f142

    SHA512

    1a2325fd0d7c27bf328841ebf4a45508115845210a6b623822c2f0bb0b776946ac79d3d12c8a2b496aad0dec0347faabc669ff12201cbbbf18c1acc7d4eaa145

  • C:\Program Files\Java\jdk1.8.0_66\bin\pack200.exe

    Filesize

    99KB

    MD5

    c889954c8aa843fcfce4848224fb52a2

    SHA1

    aa3ab8c8a82322d5905bb05147daa71b52f1dc55

    SHA256

    671a5b739fd66426c217d9dcb8ef07683b6c151f95a75b7dfbf6fe10799f46ce

    SHA512

    f11536b6bbdd3829ca0ce91b38d1da032849d403c065271950667c03a67f9a89c1b18ff1fe2e1c5173526e6cf1d58a13fe7ae58f851d075d9a2cad3e95d2cf5d

  • C:\Program Files\Java\jdk1.8.0_66\bin\rmiregistry.exe

    Filesize

    99KB

    MD5

    f46e53e98b3047480e51c059b22c6400

    SHA1

    e87791523245ff53afd71bc27f0efa3c00821cc3

    SHA256

    a52c497218087b1fcf7261e68ebaa5a04cc693c9df2007c3714632016966ef1b

    SHA512

    3d80dc8cdaaf10c23cb47672b197760acb960b5c790bac799613c48eeb4875f5af808b3ddbe6fbb4ea582ce3745c5eb8a842d33a0887eb6a6af12ddde61925e8

  • C:\Program Files\Java\jdk1.8.0_66\jre\bin\jjs.exe

    Filesize

    98KB

    MD5

    49c4fdd71c8f9734238f42d2fedf28cf

    SHA1

    395378dde3065fd67d41692b9cc4ddd9160d33f0

    SHA256

    6954243853b33e18529f4ff9f61c10d31e961e77277c3854c2dfa053193cfc13

    SHA512

    65cf746b4b2736ef30e634ee864b3b2e38c2923820debbdf634a15086d3cba94f2d5d6e1a23cdbe63787cf8fc9b8c7a6d8803d01c5da8ef46dbdd468d7c2d2dd

  • C:\Program Files\Java\jdk1.8.0_66\jre\bin\klist.exe

    Filesize

    99KB

    MD5

    eb7a0e3d8e6703a3437a56deb2d70780

    SHA1

    b4d49007836867eed9760213f797b216940a66f6

    SHA256

    68f2225e3e01f97ecdf89e7802c99eca4839dee559c4b4f352a969d124192d43

    SHA512

    29d290a14021aeb1bd1541ad86b116cb0edffee8f199cb53b7fe13207909dc4f86a3ab8cf0fabfa562e6d92e031ee7b4fc04357be9cfd18ceaf79c987f8cfa79

  • C:\Program Files\Java\jdk1.8.0_66\jre\bin\ktab.exe

    Filesize

    99KB

    MD5

    0411c4e49cf0df3c092b7af1e85cb9e9

    SHA1

    49dc6319f7ced5c5798f2431c4e04e2f2471f3ff

    SHA256

    a475d37ee86f406c392315e9afced393772a8c2baad041ff7fb24466283c5d64

    SHA512

    8e6923218169a062e2c1cb2a489b4b8fb2c60c31e4f27e12a1a936568d027c7b1e862aad9f09c94868a1ebc1b7d391f488ae94a06811e4e3fc8e5507cfe1fc2c

  • C:\Program Files\Java\jdk1.8.0_66\jre\bin\rmiregistry.exe

    Filesize

    99KB

    MD5

    6db653ba505098f552b8b53d4e8c02d2

    SHA1

    c9ea2961ca9a6d3019e439489e120b9e886b0002

    SHA256

    5cae722f8c68281b0484c04c9d11f305d8effa08c86bf0a9bc6e145bf4c8d1c8

    SHA512

    8748b84a1fbefc4da66015183979ff7868782f44886e181cb65ef0168cea1f9f71f7c3016e8a6420d9401cdeccdcc070a04cc3259c4b9f13960116a65b7f6ac2

  • C:\Users\Admin\AppData\Local\Temp\a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a.sys

    Filesize

    166KB

    MD5

    f676e9338043ed4c3771a8f4a41901d6

    SHA1

    5ebdf1e12d9bf9cab766fc50a5512787d1ee7adc

    SHA256

    2c6b970637248f386833716eaf1cabcc08ae05be3b49ffb66e905378093ce24d

    SHA512

    ac9cab08669be68c3e3e8691301d375e7317346abab65746c3959ec77e25c93cf25b45d197a3869b14df1b8b80a3bc354241a88ed6c29cee3f333408469d8636

  • C:\Users\Admin\AppData\Local\Temp\a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a.sys

    Filesize

    166KB

    MD5

    f676e9338043ed4c3771a8f4a41901d6

    SHA1

    5ebdf1e12d9bf9cab766fc50a5512787d1ee7adc

    SHA256

    2c6b970637248f386833716eaf1cabcc08ae05be3b49ffb66e905378093ce24d

    SHA512

    ac9cab08669be68c3e3e8691301d375e7317346abab65746c3959ec77e25c93cf25b45d197a3869b14df1b8b80a3bc354241a88ed6c29cee3f333408469d8636

  • C:\Windows\YZH.exe

    Filesize

    83KB

    MD5

    0d4e2a192df1abaf9edb4a3673a61096

    SHA1

    ea32f10e12ddba6c400c7159fbdafcd53a9c719a

    SHA256

    a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a

    SHA512

    7f9e2299634f58bad94b3b51ffee0d1a9e370052baa7252d0343dbabba61f61efd491e0baeba97adecaad337620190b20cbf43b007936364750fdfde5c341d12

  • C:\Windows\YZH.exe

    Filesize

    83KB

    MD5

    0d4e2a192df1abaf9edb4a3673a61096

    SHA1

    ea32f10e12ddba6c400c7159fbdafcd53a9c719a

    SHA256

    a8bd6c3e90f8ac160bf590863c6fe63ed3a7b4646288aae7fd76cd36f97deb6a

    SHA512

    7f9e2299634f58bad94b3b51ffee0d1a9e370052baa7252d0343dbabba61f61efd491e0baeba97adecaad337620190b20cbf43b007936364750fdfde5c341d12

  • C:\Windows\YZH.sys

    Filesize

    166KB

    MD5

    f676e9338043ed4c3771a8f4a41901d6

    SHA1

    5ebdf1e12d9bf9cab766fc50a5512787d1ee7adc

    SHA256

    2c6b970637248f386833716eaf1cabcc08ae05be3b49ffb66e905378093ce24d

    SHA512

    ac9cab08669be68c3e3e8691301d375e7317346abab65746c3959ec77e25c93cf25b45d197a3869b14df1b8b80a3bc354241a88ed6c29cee3f333408469d8636

  • C:\Windows\YZH.sys

    Filesize

    166KB

    MD5

    f676e9338043ed4c3771a8f4a41901d6

    SHA1

    5ebdf1e12d9bf9cab766fc50a5512787d1ee7adc

    SHA256

    2c6b970637248f386833716eaf1cabcc08ae05be3b49ffb66e905378093ce24d

    SHA512

    ac9cab08669be68c3e3e8691301d375e7317346abab65746c3959ec77e25c93cf25b45d197a3869b14df1b8b80a3bc354241a88ed6c29cee3f333408469d8636

  • memory/1076-147-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1076-168-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1176-146-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1176-167-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/4892-145-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/4892-166-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/4932-142-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB