Analysis

  • max time kernel
    129s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 21:13

General

  • Target

    a638c817c259d08ec93e45c0701e607b0fcf32e0051d987ef79448eba051e1a7.exe

  • Size

    931KB

  • MD5

    85078594d64dde22bde7c0e65cc92a19

  • SHA1

    1ed8bd9ab24865261cfcbbf60d70c4a712da14f1

  • SHA256

    a638c817c259d08ec93e45c0701e607b0fcf32e0051d987ef79448eba051e1a7

  • SHA512

    3364ef856322ed16526a88679fcb8ea0d69eafe712244ee74a0b461b5a52973dbbfdbec0edf41765147aa67c4f364ff3632d5f983c8f893372c28ebcbea1e3d2

  • SSDEEP

    24576:h1OYdaODCZ/iWCvu/2sWsJA/jlt+DHhsL:h1OslCpYO/dJJDHhsL

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\a638c817c259d08ec93e45c0701e607b0fcf32e0051d987ef79448eba051e1a7.exe
    "C:\Users\Admin\AppData\Local\Temp\a638c817c259d08ec93e45c0701e607b0fcf32e0051d987ef79448eba051e1a7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4252
    • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\9gwPytIEjFbop2V.exe
      .\9gwPytIEjFbop2V.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1312
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4104
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:1276

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\9gwPytIEjFbop2V.dat

        Filesize

        1KB

        MD5

        94ac3a8d6a78417af2de2a7e92a633c0

        SHA1

        0a1eec2a3a36c1f2edad5792992319060ab6aee4

        SHA256

        8d699e07839a432b9bfb52fff3506b5584cfc68eab3f7b925da613572f5ed86c

        SHA512

        747b2cc9bfe5bd49c4ae57f26c7792c6af23a5e0dcfd266be54b7c8b800df00320400a5a8f6ebc86811a1704caee6f6c2ef9d6b45be2024a8196ac5e2126e6f2

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\9gwPytIEjFbop2V.exe

        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\9gwPytIEjFbop2V.exe

        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\bjcfamhanhcagjgeimeokimjngcpngad\background.html

        Filesize

        138B

        MD5

        b972c42d19ad291355009b55d5a7f2d9

        SHA1

        753a8b02deffbb8a3ce02d47e2b9ff55432da49f

        SHA256

        99f1bb13cd5c18f8480fe9ab54eef6f5d75801c133e8bd5a260536cfbdf93f21

        SHA512

        b1a480f39a01c31434dc14f1b51976be8f0f0e5371c5600e4cf055eb58a530b7fa7f0ac83fc98beed3eea35ef933d5d0fe25c84f28c76212ca69bc4576434cc3

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\bjcfamhanhcagjgeimeokimjngcpngad\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\bjcfamhanhcagjgeimeokimjngcpngad\e.js

        Filesize

        6KB

        MD5

        a681c16951bef5edd40b35276fc44ba2

        SHA1

        683741d1ba22486a7ed1c495a9fe13badf3b244f

        SHA256

        ff3e71352f7ae7664fa7f827c11843985af302ad034317eceaf170fe3ad1998c

        SHA512

        a10350a49df9dda822a6d450b559f5b31cc9d0b9dc1b5c7f92bed265a902f8aa0becd6194fcf42492fcba377304eba0944b3e272220a7c189031a8cb447837c2

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\bjcfamhanhcagjgeimeokimjngcpngad\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\bjcfamhanhcagjgeimeokimjngcpngad\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        8b496df427571d53b782390149767163

        SHA1

        978aad5ddb285271773ce68555b1f243fd29ec55

        SHA256

        9ad923a87f24798d214d292085bd9acaf75545d40c4eaf7661071c01dc2f8476

        SHA512

        f82990ffc8b9a0b5409b25b948fd04b1a5d996f77fc9865f2e6f05f96bb005b013b4f112170214fe89c782e675d23b4679256e7b1ad769d2c21532afd10395c8

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\[email protected]\content\bg.js

        Filesize

        8KB

        MD5

        f4be976f584257024b3146563fc2f575

        SHA1

        163fa170d7218a4890c17a2fe0ea14cd8a555acd

        SHA256

        78592597659c8923798f1d20fd2800cda321ff354c38d5c663682a9790897e5b

        SHA512

        04102132ae2b6ed01f3257299a38ceffeb4015b0eeb9b7ef04b2b6f456585959203e73f6600860ae5292269db017f42e3c790d7b319b851f8d5fd3fd290402fa

      • C:\Users\Admin\AppData\Local\Temp\7zSC921.tmp\[email protected]\install.rdf

        Filesize

        591B

        MD5

        a3c97cb5d886b6952f2c484a8106301c

        SHA1

        f245c4772a3b8befedb376622e0f4d16aa60a0e2

        SHA256

        6443fb8dd055bcfbfbd303e6918354408a5cd433b947e1f0cfae862624f812ec

        SHA512

        4f1f97d4d83a21636b92d8fa42dd927e0f60d0aa37192a04611d8fa5e62bc94053488b7c8c7e953a1b827ec6ec7752052c6bbb36ac53c449079c291bf12bf691

      • memory/1312-132-0x0000000000000000-mapping.dmp