Analysis

  • max time kernel
    180s
  • max time network
    211s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 16:23

General

  • Target

    fef4dc75cff4ebd2678a4e1ab7705635accd605e8f1b4723761c238eeb48c91d.exe

  • Size

    2.5MB

  • MD5

    8d5f88e53569874630284d48be8ebb8a

  • SHA1

    7c2d3cfbcb471f21c6a82be60c50dca1e0dd5d7d

  • SHA256

    fef4dc75cff4ebd2678a4e1ab7705635accd605e8f1b4723761c238eeb48c91d

  • SHA512

    94fc3d4d82f6649c40bc209af03a9baf6f59717a3dee74194fd2abfb93e99c8ae5abdf0cde91724184d656f2ed423c5ce553d3550dfdb159086f027682a1c67e

  • SSDEEP

    49152:h1OstCpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bkP:h1OLly7kNfrNq4P

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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
  • Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fef4dc75cff4ebd2678a4e1ab7705635accd605e8f1b4723761c238eeb48c91d.exe
    "C:\Users\Admin\AppData\Local\Temp\fef4dc75cff4ebd2678a4e1ab7705635accd605e8f1b4723761c238eeb48c91d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\QJlHapXMyAmMyQb.exe
      .\QJlHapXMyAmMyQb.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\OptOn\kgpzPm8RtwvdU2.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4648
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\OptOn\kgpzPm8RtwvdU2.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:3324
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3924
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:2284

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\OptOn\kgpzPm8RtwvdU2.dat

        Filesize

        7KB

        MD5

        c1f84e420b05d2798be3d6f7c2d5669a

        SHA1

        59771d6acc66544bcc0bc1cdba1d27b56ddfc93c

        SHA256

        8aeb4630044f25ac7892c7fb3d8bed61d094e2ebd4a78bc1c7530b30809f7d5a

        SHA512

        c8a7ffb2e8db7060d29b61315e49a3a485f05f58984b1d0550be5922624192657014bdac1e7cb581bacb914e0b73119a1c5f98b07c1926677e55a7690cb6d0c8

      • C:\Program Files (x86)\OptOn\kgpzPm8RtwvdU2.dll

        Filesize

        738KB

        MD5

        49961c7c9a7aef57f49adf50d1c810f6

        SHA1

        fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

        SHA256

        c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

        SHA512

        8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

      • C:\Program Files (x86)\OptOn\kgpzPm8RtwvdU2.x64.dll

        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Program Files (x86)\OptOn\kgpzPm8RtwvdU2.x64.dll

        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Program Files (x86)\OptOn\kgpzPm8RtwvdU2.x64.dll

        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\QJlHapXMyAmMyQb.dat

        Filesize

        7KB

        MD5

        c1f84e420b05d2798be3d6f7c2d5669a

        SHA1

        59771d6acc66544bcc0bc1cdba1d27b56ddfc93c

        SHA256

        8aeb4630044f25ac7892c7fb3d8bed61d094e2ebd4a78bc1c7530b30809f7d5a

        SHA512

        c8a7ffb2e8db7060d29b61315e49a3a485f05f58984b1d0550be5922624192657014bdac1e7cb581bacb914e0b73119a1c5f98b07c1926677e55a7690cb6d0c8

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\QJlHapXMyAmMyQb.exe

        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\QJlHapXMyAmMyQb.exe

        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        3ca11fdd414ce2f4620bc7442c4e1cfe

        SHA1

        9dad3c66e696819a02653cdc9b0b1b92a889d742

        SHA256

        fa098cddd1665aadaa113d2e22cb7bbd9264a79e5c64dc7104a0faebc246822c

        SHA512

        555d353a4f7fd18a34998f0dd31b11972ffd965ba3e290298ff0bea65887acd410b17c522a0026facc0ea0b2fac01d4dba9ad9d67f8f5b5ab0c35df680760313

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\[email protected]\content\bg.js

        Filesize

        8KB

        MD5

        5c1a3d0bdc1556261ee0bc0627a4ea4f

        SHA1

        3639fb0be33c25f6c540a469fc88a558bf9d6e7f

        SHA256

        b11e07e25d8b0f7f7f7d9b073e9b4ffae856b03f34f0c568c64c2347da6b59e6

        SHA512

        b749f68ab982cfc98c3bc4dd5fd77dc87e3194fb049837b60616addd970da33c1c9cd40bc47a407ecb65a8b9ebff7494f2a3a2342c96904ab75b234160ec4eb0

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\[email protected]\install.rdf

        Filesize

        590B

        MD5

        bccde5309325a8fb23700d777c56cc93

        SHA1

        f60e4595237c91c463fd2e022ea80a74b00cf8c8

        SHA256

        f43160c42187512227c32e4d0f4e6373554068e7c80322b92e6b34749905fc75

        SHA512

        fffe8b364814ae3b5f5c96fdae44b4539c5a57227b353a551ebcc9b61adf344f370440c0500595e4a05a8a98e74fbe8614715b75bff4efdafccca43124993fd6

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\kgpzPm8RtwvdU2.dll

        Filesize

        738KB

        MD5

        49961c7c9a7aef57f49adf50d1c810f6

        SHA1

        fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

        SHA256

        c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

        SHA512

        8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\kgpzPm8RtwvdU2.tlb

        Filesize

        3KB

        MD5

        e3ab22d8beac0180520ab5289a64419b

        SHA1

        1456ba2c78b293e5a80185fefdf05f5dbe424937

        SHA256

        0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

        SHA512

        c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\kgpzPm8RtwvdU2.x64.dll

        Filesize

        872KB

        MD5

        337b97dbbcc7ad4d75fb5a90652e6de3

        SHA1

        50e50243af1819e62a7512d85e6dd67b8e1ed103

        SHA256

        b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

        SHA512

        dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\memehainilmpeipocifmlgckfnpocklf\background.html

        Filesize

        139B

        MD5

        de1971b3278434e35e2d88471003e3fa

        SHA1

        04b29c10d77380cfd169877d3229f7325faa7407

        SHA256

        221b4dba33b14354da5ab387f790fb7f15c7873e6ca859ed566934a941da189c

        SHA512

        4d5920ae7be434d5803b04c92a0e82feed3f6074011ef1dbecce2d43dbef62488a34814b8a1dbefe16e1412bebb6a928932fcfa3afc63c24cb120f6a7411ee07

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\memehainilmpeipocifmlgckfnpocklf\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\memehainilmpeipocifmlgckfnpocklf\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\memehainilmpeipocifmlgckfnpocklf\manifest.json

        Filesize

        498B

        MD5

        5b115b5073dd285128eb6eea5e2f205a

        SHA1

        9b092a8bf15b554c0d5f3e3bedd67567e5bf32ce

        SHA256

        8d6e3c32c0e320ea38450aa10c4aaa18a49ebf75dcf5d61fc13b469b04f38b82

        SHA512

        4a40c4dbc6218caec57112a60c42e078b4f4a57e23ba6095a59f0708a54d9d66168639cf26efc7f63434bec165c68dd82bcbd74114b0b73b7cb234dc43b1a918

      • C:\Users\Admin\AppData\Local\Temp\7zS5321.tmp\memehainilmpeipocifmlgckfnpocklf\vI.js

        Filesize

        6KB

        MD5

        7a0a319914f4024f7ad0be536819872e

        SHA1

        8ce93df3b00e3c61423a32f9b39d56f4f045560b

        SHA256

        af3982b6f804d173a2536df7e1886e277d34f57385ec0d9ceabebc97aa3d31d3

        SHA512

        d3d0518a6aaeaa79c5ccc20cd7c15539475fa328d2c06c7b48f52f8c6d4dafb2ef8b873bb19392db8573f18efa646f69df57b97f74afeb95c34c4999705a973f

      • memory/3324-152-0x0000000000000000-mapping.dmp

      • memory/3912-132-0x0000000000000000-mapping.dmp

      • memory/4648-149-0x0000000000000000-mapping.dmp