Analysis

  • max time kernel
    118s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20-02-2024 08:02

General

  • Target

    windows.10.codec.pack.v2.2.0.setup.exe

  • Size

    45.5MB

  • MD5

    908ea32c938f24669728a7c026a6552b

  • SHA1

    2695b6cd468636b09c1495a86a69ce4f56203a0c

  • SHA256

    435506cbe66bebdfdf9a2a94b1e8f483fdf108ab308129a6eb8dfd56a8bc77bc

  • SHA512

    342281df3e8823dbca8231335c17d76fbc4d0ba35a97c2d777d11c9ca33b86e689ef54c86aebbbec50a6f499b7232c4d56406f0471cce666a74203bfe95e710e

  • SSDEEP

    786432:Zbe52lsoZacQr5el64WTdDUCpGnSlyXMs8AdIqCmF3kdPEcOKbBhscBpw4yTie6d:ZbpHZac09DtpI7XMvmIqoPppw4yees

Score
6/10

Malware Config

Signatures

  • Checks for any installed AV software in registry 1 TTPs 5 IoCs
  • Downloads MZ/PE file
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\windows.10.codec.pack.v2.2.0.setup.exe
    "C:\Users\Admin\AppData\Local\Temp\windows.10.codec.pack.v2.2.0.setup.exe"
    1⤵
    • Checks for any installed AV software in registry
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:1904

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

    c1eceb8cf2c73bdac2c862c0b5db786c

    SHA1

    170fcff17db725a3eff106a99d376f8c40c5d9cb

    SHA256

    c396ce36ee35d4099de68a981d632dba01e3342ee500002a5a4dd2fa5da520d6

    SHA512

    9f04f85b248d6dd350d9dae5f57dc5ddac5e0538c507e3a0f074182111a19f175c8f54f0e9e252bcde424387efbef7f88d3a871f3d34aa2d232ac94ece4451e5

  • C:\Users\Admin\AppData\Local\Temp\Cab36EE.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar3711.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\nst19E9.tmp\easy.ini

    Filesize

    1KB

    MD5

    43a1a5ee65d2828841781b6b403f3a64

    SHA1

    5a3636e0aae2199f56d2b57beb2c787b92dd045c

    SHA256

    4efdbf5ca7b648390c5d1cbf21ea6f67061a235dc54700b30c7aa321eeb037ce

    SHA512

    9dea293900ab699e93ab0d40fda09ef95f03af1e6272ea07561b6755fbe81a0d692d2f7ec0385b3bc7ac6a667644322cdcd3770afcf0e0c7b8966b58d82accbb

  • \Users\Admin\AppData\Local\Temp\nst19E9.tmp\InstallOptions.dll

    Filesize

    14KB

    MD5

    2a03c4a7ac5ee5e0e0a683949f70971b

    SHA1

    3bd9877caaea4804c0400420494ad1143179dcec

    SHA256

    d4f0042d8e7622b7e14395e926dd02edab3cdc77e82d88108b67a4d2cee9229b

    SHA512

    1942cdb522859f8dba46824786e361794a62e6201279201e1e0e2e07499fb6252933c5661782fccd77291c3650cafb2a7a08eee5431c8238f0da44840ee4c476

  • \Users\Admin\AppData\Local\Temp\nst19E9.tmp\System.dll

    Filesize

    11KB

    MD5

    6f5257c0b8c0ef4d440f4f4fce85fb1b

    SHA1

    b6ac111dfb0d1fc75ad09c56bde7830232395785

    SHA256

    b7ccb923387cc346731471b20fc3df1ead13ec8c2e3147353c71bb0bd59bc8b1

    SHA512

    a3cc27f1efb52fb8ecda54a7c36ada39cefeabb7b16f2112303ea463b0e1a4d745198d413eebb3551e012c84a20dcdf4359e511e51bc3f1a60b13f1e3bad1aa8

  • \Users\Admin\AppData\Local\Temp\nst19E9.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    8ef0e4eb7c89cdd2b552de746f5e2a53

    SHA1

    820f681e7cec409a02b194a487d1c8af1038acf0

    SHA256

    41293b9f6588e0fbdc8fcf2a9bd8e2b244cd5ff038fc13033378da337219c9dc

    SHA512

    a68533e8a19637d0d44219549b24baba0dc4824424842f125600fda3edcafc4bb6bb340d57a00815f262d82373b440d58d6e4e5b2ceb29bb3f6bc4cbde66c3c5

  • \Users\Admin\AppData\Local\Temp\nst19E9.tmp\nsi2761.tmp

    Filesize

    30KB

    MD5

    1bc3c1608ac94cf3fb4575dc96610fe0

    SHA1

    02a953629b0e272d8a9bbf5dacbb03402853bc8a

    SHA256

    64f426601f824c9ec361755cb157d5f80499b8bbf4a29455bfca1fb65f2aae5c

    SHA512

    63881bcdf359f22de1a7582d943ec241ab2fe32fd68e202befd940c4e2ee86092797bc2de4514685d122235465fcc992cb0b5c1b9899869f9ca5840bcd8bec05

  • memory/1904-31-0x0000000004130000-0x0000000004170000-memory.dmp

    Filesize

    256KB

  • memory/1904-36-0x00000000755D0000-0x00000000755E0000-memory.dmp

    Filesize

    64KB

  • memory/1904-148-0x0000000006BF0000-0x0000000006C34000-memory.dmp

    Filesize

    272KB

  • memory/1904-37-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB

  • memory/1904-35-0x0000000002C20000-0x0000000002C30000-memory.dmp

    Filesize

    64KB

  • memory/1904-355-0x0000000004130000-0x0000000004170000-memory.dmp

    Filesize

    256KB

  • memory/1904-356-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB