Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18/08/2024, 17:03

General

  • Target

    $PROGRAM_FILES_COMMON/NSISLog/Lang2052.exe

  • Size

    392KB

  • MD5

    6f7c5b0aa8efb062cc3bd02a322111c3

  • SHA1

    204fc1afe73a9571ea833787b2259cc84bb59781

  • SHA256

    ebc13d0a0e033ba82d6dbfacc1152fb3d9b7d3ee4836f1da5833a0c13ce04c5c

  • SHA512

    1acf42eb0dd3daaeb0cffb589c15844790109bbfcc29cd353a1cfed11f846c4b817342b62913589707c9e1888d22f613b4a341ff403f46393ff39717c2a09106

  • SSDEEP

    6144:WpSRTGEOMVBT5IpP1JKTHyjaymgiOtwNSF6Diukeg0kJ8XvaG1ynqmcI6:W6OvgMmPjc6DivTJ8/aG1EqmA

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 34 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 26 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES_COMMON\NSISLog\Lang2052.exe
    "C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES_COMMON\NSISLog\Lang2052.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      C:\Users\Admin\AppData\Local\Temp\setup.exe 00020402
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Users\Admin\AppData\Local\Temp\setup\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\setup\setup.exe" 00020402
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Installs/modifies Browser Helper Object
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2776
        • C:\Program Files\CNNIC\Cdn\cdnup.exe
          "C:\Program Files\CNNIC\Cdn\cdnup.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    d2829f213225e47ef57798652673b79d

    SHA1

    97998fa49efe17d383a91839ffebc3ca2dce67f0

    SHA256

    0ca6f98d230813f05019f5ecf67b8b460aea421b3a9020e3e4d3bdf1d8f01988

    SHA512

    405d5f18bec74f95ed0b2d319ac89e8e4d62ac7296f7d3d293882e3ce5f4d38836d871b0fa59791afade2fcd9fad24135a83dcbef8c1bf286c473cca9e88397f

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

    Filesize

    36KB

    MD5

    a7a7b73184d80b802d8f324b29c7574b

    SHA1

    252f64ab7d06c781dc782e7dd51440a8d7d1427e

    SHA256

    a168517f1428b8926cf4c161b6c1cca1dd17b85b98766a15f2d582391283221a

    SHA512

    48e2d1c2b0e678feb73c32dcede5befa5ed8a86dc23ac3e1ff82d89edec4a668fa5e5145f0e47f2e511f17b8138d855f13013fe08ab03c60cd7ead15dadfd9c0

  • C:\Users\Admin\AppData\Local\Temp\setup\cdnctr.exe

    Filesize

    56KB

    MD5

    3cdcd6d87cb6fd238fd4ef3c20d51cd2

    SHA1

    8eb2c6e1b1b397fa0fec67eeb0e531870474bee9

    SHA256

    8b4ed9ae5cc04ed0bfa36ac0c7f4853e9b3d03078387fd33cb595b3a15ec4443

    SHA512

    7ff586ff8729b7359081737ecbf42bcd9d69f45756715d1f0c2fd8f902c37dde355583ecdf7362720f253d576508fb450ad73d64799ba5582a7b7f2a15867ddb

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

    Filesize

    76KB

    MD5

    a24feed08d91dde5aaa97bab14808175

    SHA1

    e0fcae94a2cad1015e27e5e4466e076923a824f2

    SHA256

    fae04d0e4f5a0d4319f50a0163aab03c739e4e3bd48347f1bb6f54a0ebf93c26

    SHA512

    d0b143d3a7493f90319894df1559c307799a00ee4f967d5e85b1e49fed441d4ec98050bac524b57d74aeb68b80844a51be3ce842176ea7c557a0381848ee61ff

  • C:\Users\Admin\AppData\Local\Temp\setup\cdndisp.dat

    Filesize

    408B

    MD5

    c446ea5f7758e07542e47c5353a843bc

    SHA1

    ef4db3fc423e539f32ea4625538351f46c0149c7

    SHA256

    d834262537368b143c1e39801122c7045bfe1da14f708a935e44a46963deaaed

    SHA512

    133895206340747a779fc60cd8adea33fb7298468f908c30a2283c089d6387452ca7bc2ab140b73e0d5f8291edd198fe01dfa54913cde401c8e7a833396b908d

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

    Filesize

    84KB

    MD5

    6fa516fc990b1e06e2d7e9ba328be19c

    SHA1

    eabcfccfd669408825b8851b397dddf2700f8380

    SHA256

    bc1552201f7cf45185c78540d2a894e6e23250c4187014fbd18b123e5429ded9

    SHA512

    aece891396c20bbe6608620c31550b2a8e08f1ebf4f9125545ad11464c35aa7338619a38bf33a0efe2ef4a657101d526819ec799fdeaa614a3b694ff2e672f1a

  • C:\Users\Admin\AppData\Local\Temp\setup\cdnhint.dat

    Filesize

    617B

    MD5

    9dfcd4bdb68132d89824172847db86e7

    SHA1

    ca3671ad08c33487b4b685f5c166934362ef877e

    SHA256

    608a870b870ac5beebdf9d9fa6f85d5abde08274c550ab968403b0409d65030a

    SHA512

    daa209322c78eacc9ba2773c3d2dd7f66bcef88d41bc818b426cf358d290282d4b1d1ea130fd9ee2f567915cf7aa68976a0216d0ea2d95d211b2001cd3e88d52

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

    Filesize

    112KB

    MD5

    6d684c72ae70bc2621408c7389a77d12

    SHA1

    f6a073aa45954be4037f24c4e27eecf7f03f4cf3

    SHA256

    a71ace180d93d9dfd8d9c3027c051a8e2d4cb39db26eb7243cc349e8760e489c

    SHA512

    e43efb5c2f228d8421321fc98a3b4db68208887f9ba04c81c7f41442015331c5c32594d54e3ee6fab781216051fa72ae7cddb3e3a3d594d5b7f211ba8e7938d1

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

    Filesize

    72KB

    MD5

    ddd3eda4b579e482e23aa3c5132cc14b

    SHA1

    9b88c9ea2175283f48d4152b9ac24a63bf2c217d

    SHA256

    871888a6706c56fe3441dd4e2ad556348b31c9337e3984a24fe40ee14bdff60b

    SHA512

    7382f548de6239ff5ffa6a0689d6f77e7b13f8ef6b21960e9a4d7f4db0e577b7ea156d95db3cbcd400ec1f68ce8666e4c53009e731ff250fa2ae1efda6cc9119

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

    Filesize

    22KB

    MD5

    b9ec30062a67883d1ffdcc498d17ed3b

    SHA1

    a74722a2196e77dfe8bf85deb5942269e0e9f4bf

    SHA256

    23493233c886b2e02e48c4b47177b814aaa988c0f0f3e4ec8f168242fec1e0bd

    SHA512

    a8f306b286f6d36abcb20b2571de3f8aba1eb075b2f2334bbc2c7e8f462c69448bd9a6297c1d3117ac8d0a023fd4a8bf344020a103a3ad5224b377b3e92ea889

  • C:\Users\Admin\AppData\Local\Temp\setup\cdnprev.dat

    Filesize

    332B

    MD5

    859ea7a38cba1624ed5c4599ba7c8582

    SHA1

    35632082204a81942792c336c4f9753a48fe4da7

    SHA256

    fbad62bd59eb03bcf515a036d9d4c9b100efcf7aa22e17e46beeeb25eeeff858

    SHA512

    068adc14dee7eab6a206d41a6bf037272e0c716b4f6bd8b35a62d4457a8c71a9814cb40a164cc26185a459073eceef747ef6358cd619dd446995ec28e7a25dae

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

    Filesize

    40KB

    MD5

    6bf77aeea07670dcb9b7507573d93489

    SHA1

    331aa409fd345fdb76877928eda7f1ea97a8f358

    SHA256

    17b60d34722ff32014ce272f568b30774f1607f5230e24b88381ab99aed72d5a

    SHA512

    364109d674d8069cb476f52db7e059c746b475c8ebb6b0986cb07ad9b7df232edb1744cc37f8d048d7725aabb53274e0dd1682208846ebb817ac0990a1cc0ef7

  • C:\Users\Admin\AppData\Local\Temp\setup\cdnprot.dat

    Filesize

    3KB

    MD5

    c8ec48e7c816f284ffaedeb0fb4c7ab7

    SHA1

    2d20da67e2deb50770be105beca47c5944a0f504

    SHA256

    ae8e2c53bcc69b4366ed3a441e5dc4825fb62f9774d6a4521322a1b239578ea4

    SHA512

    8127d70f066631e42deb50bb1f148b213f129690f5c665d104df69ac94f50c3171012f09db886bd4a83834efa452bbdf018bfd43be8c177b2c823f3ac78e4d67

  • C:\Users\Admin\AppData\Local\Temp\setup\cdnprot.sys

    Filesize

    45KB

    MD5

    382e88a11ebfdd22a49db61ed0820164

    SHA1

    0cc7376633d617e72b98fdca16ea67a8d89b55eb

    SHA256

    a50cbd231925f0a63f8af56a63783de9b7f30feadee66da868056b9ac2f25c00

    SHA512

    7db09b40ead11dcb14c62ec4089b2729d1d0677c30b11f75321f33d9531ece5ad67d2e83046808dcb35fee3df69b0f03dcef7b2e4d26fb50e2ae73d039d506bd

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

    Filesize

    76KB

    MD5

    9561e54bb17ec4ee021cde91297100dd

    SHA1

    962ae4fee2c6d9d8a73209f51ddb40434b0e9be1

    SHA256

    42d0748452991d816a1bc6c52446259d4c1cd44388a48d25e4a1d98674c93b63

    SHA512

    4422d01d9df4abb154fabd529309faa10a8f2396d2af5a98580815902e4361724c6abdf75b9678b37e55e35c75c149ea24965f68605b4d5797c682ab251af20f

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

    Filesize

    64KB

    MD5

    33000a1da78887ec0c3395956dc73625

    SHA1

    4e95eb95bc0a0748dacdd83ea0e00128580306f3

    SHA256

    fae2c6765a6643e4779900098d723bc08265092f47e07ab4ad808c8d27cfa5c8

    SHA512

    ea9d381775f1997e6261de44e1958f1f2f8329096f318326febc55c3946a1c115d8143627275ed2f775b58685973473daf97f683e91063448dfd2505b77337e1

  • C:\Users\Admin\AppData\Local\Temp\setup\cdntran.dat

    Filesize

    1KB

    MD5

    496b846a17146316874633bc503101ca

    SHA1

    cc3e8247268f74bf26d8c4596ea62b1677c715a0

    SHA256

    be84e1f1216979f765c048617636afbfc8092338800348456051f81bfea2c838

    SHA512

    5b7aac5f836e1bc9cbf49e0275d66136649bc20dacb2a3c3fb8edeb9ec87109b870b1a8a1ec1c8f8bbe64319e509f1f879360478d0d3513976ab8177189a9358

  • C:\Users\Admin\AppData\Local\Temp\setup\cdntran.sys

    Filesize

    12KB

    MD5

    c61fcc6e2c783ff55ba22ca296b4d11d

    SHA1

    3a7cbb7083fa35fcb338ce486899fa22798d50ab

    SHA256

    9c6a75ea1e8198efaac0d037e5b9fd41fa1e84a39dda80457dccad03a190b167

    SHA512

    dc95b8c0d993be32acae2a4b50f9009730685aec8cce0e0f02dc38a60c804deaee091a191e081da1a9be6ca4cfb73c210266611e49916765acf53fac9f2e763d

  • C:\Users\Admin\AppData\Local\Temp\setup\cdnunins.exe

    Filesize

    68KB

    MD5

    182330b5766815c8727e9ceef6bacb72

    SHA1

    8b96d4c0ea04e1791bb1139fa0287be8e6993c7c

    SHA256

    bee606d848d460b632d3be66dba2b88ce45b16695bb6afc0905c283764973b5f

    SHA512

    bc3a57848871546bdf29509cf37b05f00c1f676bb068c24309d914d80e0da93ea0620d1523b75a4d7f17ffb147c7e96aa095f084e1851d5ec2590bf29ae72cf4

  • C:\Users\Admin\AppData\Local\Temp\setup\cdnup.exe

    Filesize

    68KB

    MD5

    617ede36c58e86027da051debdaf4c81

    SHA1

    b94ee8a31691ad9227138cdb14058e6c867b4a75

    SHA256

    d499ed2f18b0fe4c8407b54bc2d53e6d8f3d99e398c42bc33fc3525b10697b24

    SHA512

    1a02e337d92d5f4f694714bbde8c60181a15a73a5ee4544d98335911ada5dfd7300e39ed5972659ef6f17546145ad26d1b5c926541a368681d2b5abb1bca3a5c

  • C:\Users\Admin\AppData\Local\Temp\setup\cdnvers.dat

    Filesize

    1KB

    MD5

    323623a4fcd34062cf58e4160494304a

    SHA1

    8511717e6d51abdd10541422ce1f0d33cded424a

    SHA256

    3cf66a39c25ea39c03237a955d92690907d91a28c3d1e92a36dcaa12fbdc0f3c

    SHA512

    88c56766a74ff2f6fefdc36c59339f6d3a35f2cb173d13405f5d92da4f87259cf5cbd4c29894e55b38b186ffb9dcc9d9172bf59d93f05f64a92a4e552f192f37

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

    Filesize

    40KB

    MD5

    310cc33829f149c0913ed5f79f213ec5

    SHA1

    1f22f940c5f0905b8ddbf452efadb23d5c942ccb

    SHA256

    1551ec21970495f40f423341bcdcbde5744560418e47c01c6cccdeb74f6e6946

    SHA512

    94325996d4f680ff0a3a0fbd41e289e559d1e9a3de8ae634ec1f4d64ec281ec5deb41a9e6d55e66e02a39fda3296c0f15c5b86b1e7ad16309335730c0c5a7a35

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

    Filesize

    228KB

    MD5

    53e69b76bc93941c0eda58d85f6e05f9

    SHA1

    13bb7ed0edfb943f7c981fdf9df8487878a151f4

    SHA256

    55d8110ebe08d94c63ce16558fd7e897cc7c6aedf1bb3f52b0d383b2d17dc576

    SHA512

    2acbe0f0ead481be94aedd9be57e88bdcfcd0011088c63c48f7aef438c3833b1246656ce73fbb0c705212504d1e4375725f730cd2110a32a094845dac53fb098

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

    Filesize

    36KB

    MD5

    925383c03b330f2416f6efbeaf0e61e9

    SHA1

    e17ad03b6e1fd3c5788f91e2a432bfc324a810d3

    SHA256

    862f5ea1d81c1bd4a5e8bbff75a7de1cbac7085bb5f2e822d90a7318783af924

    SHA512

    c2fb1396747525dfe80b91cd65e02dca62d5d48d7453725100fe86fc8975a0bc1d43a770ae303cb380d473ea343d6315ba5239ea0b8e667c59b4c56acb36b320

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

    Filesize

    52KB

    MD5

    58be436dd3309680ee2818bdc1c20041

    SHA1

    d740fa64c3b67852b08ff0221911eb168a8189cc

    SHA256

    ef08403922e31c5bd2bd85500b7292dc60cd75786275625e2a51df96e992feeb

    SHA512

    1de0705bf2d3c28dd5115ab5d39653255611b4eead37bf63a8ae7508799259e6e52f409b9bfe77427aace559b56cb904c2dea2e9d72b9223a98344b97386e6a8

  • C:\Users\Admin\AppData\Local\Temp\setup\src.dat

    Filesize

    108B

    MD5

    f4f19b06d2de17741549f44c56702923

    SHA1

    b70631ed0531f39e18dea8732bc8957215e3b5e3

    SHA256

    0695723c28af1ef079a2c380bdc41631e01f03475b99ed55a752ad220d883c47

    SHA512

    4c12038054ca18f75c026a95b794e04c4d38da794cbdb43cdd071d50f367936e0897d927b42c16c5adb48851f344f2f34c44735d5af8e86d2750dee85e022000

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

    Filesize

    108B

    MD5

    105c1a3d2fbbd9c087af79dbf8f710c4

    SHA1

    14e2db1fa16d4d56acdfab85f2c3e1f08069d99f

    SHA256

    26b19c61eee88f2ce739ab67fb4bad16a75a86f2fb8fbabc35ef91ea809e70c8

    SHA512

    f2a13ae4b26725045a9e00204e6e70edef0f434c7c2ef2a40509b2e4a653b85330105181adf16848e290d295dc39245d94825df064d6db6a680f1cf12a844644

  • \PROGRA~1\CNNIC\Cdn\imaol.dll

    Filesize

    92KB

    MD5

    915c0235920f915d7933058eee08858b

    SHA1

    9945a0d6c29c67fa46cd7359d5b155a914a404ae

    SHA256

    eda38c4311e2780d0df7d6db8bb9ac158eb8626aaca1aeb5fe44dc6d580502a6

    SHA512

    68c3db18c039cf17e3e3c9ec15b91419de9fa65321de842e937dcb3f8f9f0d46ad689ea90f6988b0cd63901dddcd9f76f7996b8294a2927b09867be05d781d80

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

    Filesize

    333KB

    MD5

    403c907056c3602efab42a210454a9e0

    SHA1

    8cde8646ffd1ed1410f2bdd26827fd82dc33895a

    SHA256

    57e338b58c1228d14bfa1e8386125cdc0839923f1a268e1f9691911ea89119ca

    SHA512

    c57cb193977a30ccb3e3922e07e0d83a0ab63b561112e3bb6a6bf1e2f03055664c35857f74489df4e18ac04c057886cbe13f9e48d1f56386b5811638b7e9debf

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

    Filesize

    28KB

    MD5

    b9d4e392e8ac6a4420f126cc88d8c0c1

    SHA1

    3fa9755060979a13973927906222a4929bb4c80f

    SHA256

    3d20d973651546be8d370ff9013bbdc03282808a212731b92852f0b789634064

    SHA512

    03fe62e90efaa0cf064c335d7dd4df912f738a85726eb77269687f398511b883400eb0b95d3a8158d2a5b7fec37e073bbde754a5b53e17732b18f667d9960128

  • memory/2776-115-0x00000000002C0000-0x00000000002D8000-memory.dmp

    Filesize

    96KB

  • memory/2776-128-0x0000000003B30000-0x0000000003CE1000-memory.dmp

    Filesize

    1.7MB

  • memory/2776-96-0x0000000000260000-0x0000000000280000-memory.dmp

    Filesize

    128KB

  • memory/2776-142-0x0000000000520000-0x000000000052C000-memory.dmp

    Filesize

    48KB

  • memory/3020-179-0x0000000000330000-0x000000000033D000-memory.dmp

    Filesize

    52KB

  • memory/3020-178-0x0000000000250000-0x0000000000264000-memory.dmp

    Filesize

    80KB

  • memory/3020-181-0x0000000003BC0000-0x0000000003D71000-memory.dmp

    Filesize

    1.7MB

  • memory/3020-180-0x0000000000340000-0x0000000000354000-memory.dmp

    Filesize

    80KB