Analysis

  • max time kernel
    151s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 01:54

General

  • Target

    4a99251c3393fdb4c914d25eb686e7fa5510217066c9441a3016339992b33de0.exe

  • Size

    920KB

  • MD5

    09ce2e0a0f4216ae21574cb6ccc04104

  • SHA1

    5a54f797e38c584388f4c441d1ee204c88046862

  • SHA256

    4a99251c3393fdb4c914d25eb686e7fa5510217066c9441a3016339992b33de0

  • SHA512

    38dfdd76290c98252d71122e297a32d6bdb3d28f21790d96476747b213ac0f37d382806345f4d55bac88b29e83ebca8a529ec6db8a1b13eaa2502b387c23d1b1

  • SSDEEP

    24576:h1OYdaOqMtdHAqcdDVhYwiei7+EpFAh/kKf:h1OsLPHVmVhYwiLtKkKf

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

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

  • Drops Chrome extension 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a99251c3393fdb4c914d25eb686e7fa5510217066c9441a3016339992b33de0.exe
    "C:\Users\Admin\AppData\Local\Temp\4a99251c3393fdb4c914d25eb686e7fa5510217066c9441a3016339992b33de0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4292
    • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\GiyGQX2dPnDzOAY.exe
      .\GiyGQX2dPnDzOAY.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2148
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3776
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:3236

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\GiyGQX2dPnDzOAY.dat
        Filesize

        1KB

        MD5

        7629b3db2fe3ed06d50865172afb38b6

        SHA1

        c489970463f34de45908c614ed9f21115d670429

        SHA256

        8907fb9e54844012f82839b296d7354a936563bb1e4137c24ccf540e6590b477

        SHA512

        5175f4f7744f1cc976f5ddbc8312d316c4bbb1850ebe3ddd91cd102a428e3648fe8687ef0cd5113e00bc841474f67702243eceb3c4102691c887c0b110c753b1

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\GiyGQX2dPnDzOAY.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\GiyGQX2dPnDzOAY.exe
        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\ljgcndllcpfkohidalhdgcenmakgglln\STX4.js
        Filesize

        6KB

        MD5

        d14e40ddd113346dae038dc4e92e2dd0

        SHA1

        023f69a6a11b66057197fcc2ac9b5a4f4636f53f

        SHA256

        7bf02cb662d7f1704502421eafb05ccbc6a4c1561d067b07d9c284ae9495d0bc

        SHA512

        e5780f963f6495074c253d7f7f9e5b7cad11e0ef9c86ba282a9dc908b848376079442664a9b48e1fb7f3c013df0324bd2b59ddaf303565d1e7256d8fc5203428

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\ljgcndllcpfkohidalhdgcenmakgglln\background.html
        Filesize

        141B

        MD5

        dab3a5eaa3c4e85e5029e3a8b13e7173

        SHA1

        451af8163eb2331dd46f431131cd9f64d4fd4583

        SHA256

        dbd2f19226b9fff9f7845899967c1e0a9fb8859d113817bb3605433b4807d857

        SHA512

        e7d9a661faae15c483a686772e9bfd656942bdafc338874c1ae003ef28ea9e393eaf1232bea5b9acb99e0596a18498ea127c3de309c91162566a30784e0d434b

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\ljgcndllcpfkohidalhdgcenmakgglln\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\ljgcndllcpfkohidalhdgcenmakgglln\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\ljgcndllcpfkohidalhdgcenmakgglln\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        d4acdb2587b070e90bac05b92a6ec5d6

        SHA1

        c9d4532153f4659a5815591d3dca099c5975b1e8

        SHA256

        5f7ff2d1db3bbec288ef92d33f9185ee3f7ffacb76488595a99b69a71c3ef5b7

        SHA512

        2df03b4070a91e9208e39b3288df23d8d31118267d4a62a74ef0e2add7b0809a3675c5d268dc0cd6f60b2ed28c72a39d3d6b0fee4a4507de5e00770e2873ff86

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        829656b52ac3271d1f88b3dcbc683e41

        SHA1

        8b02b029d392c5e912de2a56b4ef8c072e8959d4

        SHA256

        b61af9cb11d8a4edfbae789de401e8ede54b063e5fc6868813d0ce710745bbff

        SHA512

        b97bfc56fb56c96942833ab4c6ab3596632f6671222a12da3798eb62337a15126adf892b3e86c485e5de3e4c863b8b518fd7f6ddbe2e1860d57e299bc7181ba6

      • C:\Users\Admin\AppData\Local\Temp\7zS791.tmp\[email protected]\install.rdf
        Filesize

        596B

        MD5

        105a46865052c9b9f44b5e3cd5f00e30

        SHA1

        845e75e229a1df8a8491b422931c12815c60816e

        SHA256

        35dc2cca8e6f6ae377a6641c70935021303efee1fc5f41d9dc82b7d8e45a716a

        SHA512

        857509f0534108f3c5662eb88aa29078131b2bc8779b964a37bd3277e3b5aa07b56b749616de322450468d5e336bda75dabd9d7263b60a76aea1fea4601f5ec5

      • memory/2148-132-0x0000000000000000-mapping.dmp