Analysis

  • max time kernel
    137s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 08:15

General

  • Target

    b3f047366b1dd12c8ea3c39e67123be5b54e6dc481369a2f2f225f5d22b53f0a.exe

  • Size

    924KB

  • MD5

    3c2c1e827afa7147757cef3d35c18fa2

  • SHA1

    2e36f94053192adb0c37a7886a6597c6380be114

  • SHA256

    b3f047366b1dd12c8ea3c39e67123be5b54e6dc481369a2f2f225f5d22b53f0a

  • SHA512

    f0f5a0ddad54f1cc7cba68d9dadccc7d3d50f3cc82d054e79d06de2b40971b5051fb31cf54cca70e936d6c96d1d06a7121595057a647991c38f02e61cffb66c5

  • SSDEEP

    24576:h1OYdaO0fC5S9N6w6EVX1Lh+mN5Z4E8IlIyYuXN:h1OstMN6wdBh5N5Z4E8PuXN

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\b3f047366b1dd12c8ea3c39e67123be5b54e6dc481369a2f2f225f5d22b53f0a.exe
    "C:\Users\Admin\AppData\Local\Temp\b3f047366b1dd12c8ea3c39e67123be5b54e6dc481369a2f2f225f5d22b53f0a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\1d7Q4qxnyPLjzUG.exe
      .\1d7Q4qxnyPLjzUG.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4756
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:2724
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:848

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\1d7Q4qxnyPLjzUG.dat

        Filesize

        1KB

        MD5

        528444d15d684b42648f31191aadbb11

        SHA1

        22b3a658be6ac37f628996051dfbdaae65717e36

        SHA256

        e4abbc203e96afb567a7e1129f4a31796173b16bbb0297f7319bc84b0ebd8719

        SHA512

        760fb9ac8914c7e635a2505a9eb4cfc1e1d7fc13aadf49a6af0fd97191d91e8d795dbc094dd021ebb4c7ed9cd8f24ca69f7ce9fef41188a9c070bd0bae392919

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\1d7Q4qxnyPLjzUG.exe

        Filesize

        765KB

        MD5

        21c7e6ab35acdb8d15ac0590900c5206

        SHA1

        bd696ab0d1806c5492b4444d96fe272f217f4058

        SHA256

        314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

        SHA512

        775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\1d7Q4qxnyPLjzUG.exe

        Filesize

        765KB

        MD5

        21c7e6ab35acdb8d15ac0590900c5206

        SHA1

        bd696ab0d1806c5492b4444d96fe272f217f4058

        SHA256

        314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec

        SHA512

        775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        6a6fd5fd6c47b0de261ab0312ef9f7ba

        SHA1

        9e0c22ff8577025a3175506ebe714c210ea3b7ce

        SHA256

        5a14028fb6ea7460b592d7a06a8a9258ce45b9e3a320ac934b46cd72c6953311

        SHA512

        44c5e4f84e6b25cddc6b4635a5bb6c56c72778c27b355d8cb8df3d4f1e1c39dbffdc2bce0669c6a3e86531443f80b8bfbc488d7495f3540c8f3a264fb5135f33

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\[email protected]\content\bg.js

        Filesize

        8KB

        MD5

        6064966e455f038c58c0bccfdab92ec9

        SHA1

        1da7ad0e61f062c33b281aebbb2c2ca87fa04fa6

        SHA256

        3a4eb06c7a8b8dfc374a6e4af4d7b5038f4a679dd5c6777e25a173dd7d8bb369

        SHA512

        dcf346ec148b8dcaf4036089274ef8f7861e628539537e9dd02f9e3bb2e14bb14f39999028d719a86d80936c51c98820318ca601114015233d2341e830a7caf2

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\[email protected]\install.rdf

        Filesize

        594B

        MD5

        38626b60d32d14a426153b2ffdb61189

        SHA1

        cade85aeb25dbb65264032e6e382619828b3743a

        SHA256

        2871b6ccf2c6b103221ef0101724b39454e6ac9feeb3a324def1693945af49c4

        SHA512

        da245cf4c6a324d5c3b63539224329ce3a85686c3dbbe2a3ad17bbdc72bfa1beadc772a5829f1ca537e009a08177171d8277caf8e6f3464ad81f7ef19e95ee64

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\imjmfmbcmcnfdkgbhglionngepfgjdll\ZH6.js

        Filesize

        6KB

        MD5

        c57c203b334bb79f48c5b77397f7a61d

        SHA1

        452b3365b881aac3ae608d2bafcb06251df032b2

        SHA256

        3d0c4f8d828bc3fa60de6f86f49719fc2550b6df1fb5001949793402f0af49f4

        SHA512

        2b605c309553c44d73e3c08bb2eb608939c778976802fcee0d4490bcc74dedadafb7a3d16b605655058bdb8eeb278980c8bf8aa0c17253900b5cdfd9d22ac6c2

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\imjmfmbcmcnfdkgbhglionngepfgjdll\background.html

        Filesize

        140B

        MD5

        b0fb0d396d0be8e33b7e7ed020286028

        SHA1

        5ed9fed96be809e88f9462e34bbe05760f86ece2

        SHA256

        0fac90b4e786cd704b205261738dc8c29066c44afbf11dc3362eece1aefaef3d

        SHA512

        09191ff313af008dd89ff9b57bb2ee52f064ad9f27a595c2d161fddaa691d741aca6cc3a8b87cc6fd6976814413d59ad2584cec7e960499480cf34ceede26dbe

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\imjmfmbcmcnfdkgbhglionngepfgjdll\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\imjmfmbcmcnfdkgbhglionngepfgjdll\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS6FC6.tmp\imjmfmbcmcnfdkgbhglionngepfgjdll\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • memory/4756-132-0x0000000000000000-mapping.dmp