Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2023 14:04

General

  • Target

    kis21.3.10.391aben_26178.exe

  • Size

    2.6MB

  • MD5

    1ae1138be90a65ffec75bc93a051b9fd

  • SHA1

    5b5411c42f2c1d62c4d927e736b4cd227e3e1977

  • SHA256

    8498a442b50f368840b2905683dc812306d547cc8a5d7e792230528ecf88819a

  • SHA512

    59f5e434d587c0c77c13cbf91468f285de4f51ac21bc85da94c4273e5014becf7e49eb3c88f2c66f23afc382817fb2e321c29fe81e9ce1ef57e7da1db188996b

  • SSDEEP

    49152:X47Nlau3ZwJvDrds0GBrIxap2SnqowGZc0u9qAO7Y5lSAnXMO:XeNlau3iJ81IApvqowGW0kqAOelSAX

Malware Config

Signatures

  • Checks for any installed AV software in registry 1 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 23 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kis21.3.10.391aben_26178.exe
    "C:\Users\Admin\AppData\Local\Temp\kis21.3.10.391aben_26178.exe"
    1⤵
    • Checks for any installed AV software in registry
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\ProgramData\Kaspersky Lab Setup Files\KIS21.3.10.391.0.2020.0\au_setup_32944BE3-FFBC-11ED-8FFF-6201C35E5273\startup.exe
      "C:\ProgramData\Kaspersky Lab Setup Files\KIS21.3.10.391.0.2020.0\au_setup_32944BE3-FFBC-11ED-8FFF-6201C35E5273\startup.exe" -auto_update_mode="C:\Users\Admin\AppData\Local\Temp\kis21.3.10.391aben_26178.exe" /-self_remove -l=en-IN -xpos=346 -ypos=71 -prevsetupver=21.3.10.391.0.568.0 -prevsetuppatch=b
      2⤵
      • Checks for any installed AV software in registry
      • Checks whether UAC is enabled
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:3876
    • C:\Users\Admin\AppData\Local\Temp\kis21.3.10.391aben_26178.exe
      "C:\Users\Admin\AppData\Local\Temp\kis21.3.10.391aben_26178.exe" -cleanup="C:\Users\Admin\AppData\Local\Temp\BECF8C72CBFFDE11F8FF26103CE52537;632"
      2⤵
        PID:3848

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Kaspersky Lab Setup Files\KIS21.3.10.391.0.2020.0\au_setup_32944BE3-FFBC-11ED-8FFF-6201C35E5273\dynamic.ini

      Filesize

      98B

      MD5

      16d69aa19d9ba483482c47f443b84bbe

      SHA1

      fbd6684bb9c8e789475025277ca5ae9ce5a0f72e

      SHA256

      0efeec7c2c0edff3a7073f05a0e5b1683a6d9b1c4047d649b93e225c62ebf776

      SHA512

      683ccb33dae5fb050231b99eddc3e28779c10acb463cff3e12696d5182051e44e4d1c09e30616a28724bfe2072ac41f94509fda499047c3cdd75097d47de57b2

    • C:\ProgramData\Kaspersky Lab Setup Files\KIS21.3.10.391.0.2020.0\au_setup_32944BE3-FFBC-11ED-8FFF-6201C35E5273\startup.exe

      Filesize

      2.6MB

      MD5

      8df405a3a18811a97d8cdcc4ee265cb0

      SHA1

      64e847c807c023848249f1bcf07928a00c7f8422

      SHA256

      97b817799831804fb0adf55409388b689b35aa83b11b61e02c75d5162e573d9c

      SHA512

      a5d460a9f2cb5370f016e954d2e9214d0f9e714d8eccae204a84eb6f3afa9e01d62850ac607d5090bf684ce3f01079d55e739e30756925ba063ed1783c320c44

    • C:\ProgramData\Kaspersky Lab Setup Files\KIS21.3.10.391.0.2020.0\au_setup_32944BE3-FFBC-11ED-8FFF-6201C35E5273\startup.exe

      Filesize

      2.6MB

      MD5

      8df405a3a18811a97d8cdcc4ee265cb0

      SHA1

      64e847c807c023848249f1bcf07928a00c7f8422

      SHA256

      97b817799831804fb0adf55409388b689b35aa83b11b61e02c75d5162e573d9c

      SHA512

      a5d460a9f2cb5370f016e954d2e9214d0f9e714d8eccae204a84eb6f3afa9e01d62850ac607d5090bf684ce3f01079d55e739e30756925ba063ed1783c320c44

    • C:\ProgramData\Kaspersky Lab Setup Files\KIS21.3.10.391.0.2020.0\au_setup_32944BE3-FFBC-11ED-8FFF-6201C35E5273\startup.exe

      Filesize

      2.6MB

      MD5

      8df405a3a18811a97d8cdcc4ee265cb0

      SHA1

      64e847c807c023848249f1bcf07928a00c7f8422

      SHA256

      97b817799831804fb0adf55409388b689b35aa83b11b61e02c75d5162e573d9c

      SHA512

      a5d460a9f2cb5370f016e954d2e9214d0f9e714d8eccae204a84eb6f3afa9e01d62850ac607d5090bf684ce3f01079d55e739e30756925ba063ed1783c320c44

    • C:\ProgramData\Kaspersky Lab Setup Files\KIS21.3.10.391.0.2020.0\au_setup_32944BE3-FFBC-11ED-8FFF-6201C35E5273\static.ini

      Filesize

      5KB

      MD5

      135c6ddccbae960a11934f7093a4e3ef

      SHA1

      3fc049f93328f03a4a407cc92fcc59b50a32882e

      SHA256

      d1bd67d7671c382179a6fc01729d4054627bb66820d7a9df3dcc6b989a0ff95f

      SHA512

      7b7c7e581932f5dd86d6f6135fd900e66df5499ca68b05c0ea3591888caad0556f6e092976398ee052fffecbaea0eeda314713032f4b363b85c45cd3696bd81a

    • C:\ProgramData\Kaspersky Lab Setup Files\KIS21.3.10.391.0.2020.0\kdscrl.rdb.z

      Filesize

      4KB

      MD5

      6b0cab7f44140436fa99516c09652928

      SHA1

      8c3e2139f2f00316bf320cd0f92d91837211f4a3

      SHA256

      9d2988cc46c9e26b22a770799e7956240209f57461863bdaa7a5d5e21018e557

      SHA512

      fc7ace03d508350d5c9939acfaad6a9c38a27c7b15a9fd250504dc691a1d41eab0c11b2abe33d11cb31d9d8a2ddae9ce2cca761c2c19a997326f56af74f384df

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B398B80134F72209547439DB21AB308D_ADE4E4D3A3BCBCA5C39C54D362D88565

      Filesize

      471B

      MD5

      e22ac883683611fb0901680758d4f557

      SHA1

      0fe9d42dc2921d2bba9d2ce97dd8059f731ec7a5

      SHA256

      e486d43f837fe9355aaa5b9a730f9ce2bcbea2a6d1436a69bd8927f6b2693d46

      SHA512

      8c38ae28f883657c51e1d1e6127229d99ce9e3c411b340e1d490cc366eed8bcdc9acab182ed14da24a50e7fd71f96c0687c0b44f9393e6acf314c01fd1146305

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_ADE4E4D3A3BCBCA5C39C54D362D88565

      Filesize

      404B

      MD5

      50c9ab9e2c6c09a8b6600f4adda3932d

      SHA1

      9d4e22e505d480a1a474ff68487431c1a6c83682

      SHA256

      3c9eef0194fc96d59660152799b1e36fa8b94f24951be6780d2d59c44313b181

      SHA512

      5cc18b232f329c8551d8e85a97028d1f20ada668d2567a347bb222ade3dd1bb5bd70a463f1060b910d7e90e2a5f4d9632eb6e3aa3752262f01233a343253bd0c

    • C:\Users\Admin\AppData\Local\Temp\27C8FCEC-FFBC-11ED-8FFF-6201C35E5273\check_new_version.html

      Filesize

      1KB

      MD5

      c0acd601ba6f7602c1dfd719d2db71a2

      SHA1

      55094f0e2304a3810475de71999c5632502f6a72

      SHA256

      48b22c62ef7bea96d97915a8a4f7bb09f4fdc57b3b70126f10697ad9b0517d7b

      SHA512

      b6d3315e457dfc4b2dcfa068723ec7e75a07e06aadd1a8397f349f4a9d482e4238264ee2fc857ac675301074165c7d6c48286e2d3745c86ed0f5d674e8f06e25

    • C:\Users\Admin\AppData\Local\Temp\27C8FCEC-FFBC-11ED-8FFF-6201C35E5273\kis-loading.gif

      Filesize

      10KB

      MD5

      69d4b9b309bfa6a87f7620647bafd2d0

      SHA1

      c9f6bb4d6494bbd7a47d52874da43501afb97c6d

      SHA256

      f056164cf99799234c90e2318e90ab5d83d0fd855118224286ff0680ee455734

      SHA512

      2aa95fa187d24b4310af4e72a49c8fe665b84aa15ed33ca5b78a88da861554948d5fdb2f0b59ba8560b8c9dc1d4ff8cf5b37bdc1cbdb4fdf7a6e6fbe7e4f4b1a

    • C:\Users\Admin\AppData\Local\Temp\27C8FCEC-FFBC-11ED-8FFF-6201C35E5273\kis-logo.png

      Filesize

      4KB

      MD5

      18f81892daa926fec1d30324b4cd9367

      SHA1

      0f0753271f09aecd6731c9dd998d15df5f967b7e

      SHA256

      681a96b96b5e0425fc74be929d29164528bf0bc0a84ac97952c011e407e23d9b

      SHA512

      5e07a3f44f6135291909680abb62e21d0c6bca899905aafa66cc3b436e77430a3ea96a95b54f2705e1f9dd49b60a855d986c4d76ea65dc9a9a5edf3d2748550d

    • C:\Users\Admin\AppData\Local\Temp\34E12756-FFBC-11ED-8FFF-6201C35E5273\jquery-1.12.4.min.js

      Filesize

      94KB

      MD5

      618538b4ab9639d444e962729a927f15

      SHA1

      dacc1f76630a9708add066819b1aabf8dce01056

      SHA256

      27d92130c0321dad5a03760fd5ac98a3d04ed4c94d88418fe6d50da1f7fc5cbe

      SHA512

      bcb6754ea246939a19a917cc0b810e1753c1b0f1a8b1b7e652128ef15dee4fc79111e4d88fe12f9188449a307e82240d0261af402d783428edfe5785c860372d

    • C:\Users\Admin\AppData\Local\Temp\34E12756-FFBC-11ED-8FFF-6201C35E5273\jquery.custom_select.min.js

      Filesize

      5KB

      MD5

      d2c620c462b75696eea1fb22fb23602a

      SHA1

      900f78eb8e1103be1535af5e76d1bed686cdcce3

      SHA256

      dd678d32073078552e0e2c35eed78f16cc8d6e8662d4734518561a1b183f775c

      SHA512

      40e1180b63b328c22cfacc40529cbda2409a54fbbbd5813fcc5f8dcdf95ad7fcd74ea96382e3a2d0bcfed9e68c208f7733b7c630edee7e2013c9a5459091c02c

    • C:\Users\Admin\AppData\Local\Temp\34E12756-FFBC-11ED-8FFF-6201C35E5273\kis-print.css

      Filesize

      306B

      MD5

      1304724dd5001b2600fc5bd80c098f1e

      SHA1

      87ec458c25a35e3a45c2a6ede9ec16ec4d4c7093

      SHA256

      2481b34b48fd96b194405da621e8e5f19142dcb55744f9c9a93591705cb697fd

      SHA512

      4371fbd6ba7e84ae827ec73bec4c903275e4373c16063b6fe63ca157a4db346df5617a9db5c9e1fdcb661f220f6dcbc1f7e4003805dba9fa7a279fc882aebeeb

    • C:\Users\Admin\AppData\Local\Temp\34E12756-FFBC-11ED-8FFF-6201C35E5273\kis-script-lte-ie8.js

      Filesize

      1KB

      MD5

      5134186180074c51639d7a514919ed23

      SHA1

      23bddb16b3b6c3a687dfcfed5c1a6c23c0ed1f0a

      SHA256

      33e84b33ff911257e3a6a303c08a2cc178827dadb7dfd7c951e096866e02ad5e

      SHA512

      8ad216cee9192533801b0f10f3bc149506f75dfd2cd554e801e1732b474629435ada4549473176b5440c57c112986dd198dcf508fb0e55ed3a050a75b0fa3d82

    • C:\Users\Admin\AppData\Local\Temp\34E12756-FFBC-11ED-8FFF-6201C35E5273\kis-script.js

      Filesize

      306B

      MD5

      026425ccbf4417eefa444285707132ef

      SHA1

      a953b9f6781d4b6daa2eedc0c45d358f2a472370

      SHA256

      97e5f342227ea23c27c1b660f111847fcdd9d7b23c1d248c733a36f983fd7f04

      SHA512

      a266e2f9f10620347f0d05d081362086e81c67fb7c5f4a74c26cca54686f6afb2f2933b1f7afb6d9c96382ff4e4e3cf2f0f38cdd162175cdefccb5909b1aa6c3

    • C:\Users\Admin\AppData\Local\Temp\34E12756-FFBC-11ED-8FFF-6201C35E5273\kis-style.css

      Filesize

      29KB

      MD5

      2b4bd0afd0e9dd5c90fb8c3bb4a5d619

      SHA1

      a4a1a61d43e8f897d36fef9e1927848de2d312cc

      SHA256

      f9963b403e053f6bfa7c87cad3c10dd55cf1f94fefe00c6380921440e28b48d2

      SHA512

      c0b284552502304f05dd10606e01b0d35210a27f982bba8a605f2939a2ac43890636175431eab99edc45cfc2825fe1b1cffabd8067d9eaa7ad59af466a052974

    • C:\Users\Admin\AppData\Local\Temp\34E12756-FFBC-11ED-8FFF-6201C35E5273\welcome_page_kavkis.html

      Filesize

      2KB

      MD5

      8a47d771cb12d6f43029ec4faf54f094

      SHA1

      551ccee878a158edfb6ca3fa1d1eeb92e8e97d64

      SHA256

      8286b35bde0b7c302663c38f433da81c00912eac08cda9b63de5f5890af236a7

      SHA512

      ccfc9006d3ac858125469b2d301d3e82d99886c23f49b9afe4e69275cde02af2c776e38595d2a1157c17a733899c47fe1c85670a86d9247bd5536128fc4bf28c

    • C:\Users\Admin\AppData\Local\Temp\55721E43CBFFDE11F8FF26103CE52537\setup.dll

      Filesize

      5.1MB

      MD5

      e501f2f239b257c42a01a9e53a19dada

      SHA1

      1e463ccc38bf4cd266a6217925900aeafcda56d4

      SHA256

      be7e8beaffbe333bb1744fb1371d31c3a45178cd1458edda002c24eb07c0fdc7

      SHA512

      9f044521b2beba13515c697ff21b7ffdf674861a62803f26a6c495dc2f458dbabbeba260af5b9e5194b620e8cb22165deb338bc3dcd677f0e81ff151e5bb058b

    • C:\Users\Admin\AppData\Local\Temp\BECF8C72CBFFDE11F8FF26103CE52537\setup.dll

      Filesize

      5.1MB

      MD5

      d00f0bb4b88f550c74004df40231af3c

      SHA1

      ee53c54f79190f23721c3c5839fb06771951a7dd

      SHA256

      b0657f2c3f1a2aeb9872be6d8665d4c7c799a922677e58a1c4966698c475c9fb

      SHA512

      9ea85b2353a02101d53443bae86540c8948bf8e010cfd5de049c0158047178aaa8057d5e044ab508179d91d72c7db1612f7b34e2fa3ab2a954683785fa6aad7f

    • C:\Users\Admin\AppData\Local\Temp\BECF8C72CBFFDE11F8FF26103CE52537\setup.dll

      Filesize

      5.1MB

      MD5

      d00f0bb4b88f550c74004df40231af3c

      SHA1

      ee53c54f79190f23721c3c5839fb06771951a7dd

      SHA256

      b0657f2c3f1a2aeb9872be6d8665d4c7c799a922677e58a1c4966698c475c9fb

      SHA512

      9ea85b2353a02101d53443bae86540c8948bf8e010cfd5de049c0158047178aaa8057d5e044ab508179d91d72c7db1612f7b34e2fa3ab2a954683785fa6aad7f

    • memory/632-133-0x0000000077C50000-0x0000000077C60000-memory.dmp

      Filesize

      64KB

    • memory/632-135-0x0000000077C50000-0x0000000077C60000-memory.dmp

      Filesize

      64KB

    • memory/632-134-0x0000000077C50000-0x0000000077C60000-memory.dmp

      Filesize

      64KB

    • memory/3848-343-0x0000000077C60000-0x0000000077C70000-memory.dmp

      Filesize

      64KB

    • memory/3848-345-0x0000000077C60000-0x0000000077C70000-memory.dmp

      Filesize

      64KB

    • memory/3848-344-0x0000000077C60000-0x0000000077C70000-memory.dmp

      Filesize

      64KB

    • memory/3876-191-0x0000000077C30000-0x0000000077C40000-memory.dmp

      Filesize

      64KB

    • memory/3876-190-0x0000000077C30000-0x0000000077C40000-memory.dmp

      Filesize

      64KB

    • memory/3876-189-0x0000000077C30000-0x0000000077C40000-memory.dmp

      Filesize

      64KB