Analysis

  • max time kernel
    148s
  • max time network
    171s
  • 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 19:45

General

  • Target

    c17726f7e6abc4b8c2156a0659c7070614933f7462fa4816abe0622fcf977681.exe

  • Size

    931KB

  • MD5

    3d928138f935fa6f75ae1b56d5a537a9

  • SHA1

    9f6e355bc3b152a12652f4b84372baf4bcc1947e

  • SHA256

    c17726f7e6abc4b8c2156a0659c7070614933f7462fa4816abe0622fcf977681

  • SHA512

    64792c9efc9d311b7a0bc16cb1f667700bf0529b68a4781e6729051b89a22291fca8675dc8394e7098d2f446b263389cedafd7fa3029fbf0de3f7f65402089ea

  • SSDEEP

    24576:h1OYdaOECZ/iWCvu/2sWsJA/jlt+DHhsj:h1Os2CpYO/dJJDHhsj

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\c17726f7e6abc4b8c2156a0659c7070614933f7462fa4816abe0622fcf977681.exe
    "C:\Users\Admin\AppData\Local\Temp\c17726f7e6abc4b8c2156a0659c7070614933f7462fa4816abe0622fcf977681.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\zRwLXQBtB4JcFxY.exe
      .\zRwLXQBtB4JcFxY.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4808
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:4484
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:540

      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\7zSECF5.tmp\7@CI.edu\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\7@CI.edu\chrome.manifest
        Filesize

        35B

        MD5

        e7ff4894f6745c30eb92e74dd4d8d96a

        SHA1

        6eb5243c79a73d2fb584a137a0925e2910a2e85b

        SHA256

        dd1f9dd530326462f3caa368d7b1095e36831a3ceb40f3421764b6bf69972c16

        SHA512

        0483a6635abb27de1901c1a024d8ce0dd2b0c23feb13edbd5987c05c63e548ca7041fe3243a0c353416d51c84c63c50839e906db713c997570fb88f993ad46bb

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\7@CI.edu\content\bg.js
        Filesize

        8KB

        MD5

        b5273cd227eec8ff60907c157a888627

        SHA1

        7ae5ce37c35ab2246b5d1a95ad111b582b727505

        SHA256

        84d8b68c5743dc66435c5399e17975ca93a38a59f5fe170d5668b3f856e96223

        SHA512

        1327b8759368cbde15640be32c5a50f0f539071ec8fb7cd55c39c3d59e4698c39be18fab3bbcb4feface2026b9d59007b3dde00c7fca21122422c27fa7c6d27b

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\7@CI.edu\install.rdf
        Filesize

        590B

        MD5

        1ee0f505c15f7cc618eec23c07172f86

        SHA1

        88c91ce5316e5b1bf08448817495898e35bbf323

        SHA256

        66114bb09ac5b9983c835d68eed92385f6801960996ef04eb50344c973b5bf76

        SHA512

        2d89ac81a496607148c739416a2aa013e9cbd7e23c3b06ff54c4351afd5962bb86f38ed0a7101446a2307e48a9e6928fe83bbb58fccb9b85c350d00bd6baf9f9

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\ombnbchlkopnoefffjclchlfdpfmdibh\Cdw3aFxkX.js
        Filesize

        6KB

        MD5

        0df3b0a506701b26775891d32e71ae7a

        SHA1

        facfacc27c1a73a80f8689ed7141631a8be4dc8d

        SHA256

        234157bbdca6dc6cd78d8e8a0104a9d80e4b73f74607e9016e0107d5981b54ea

        SHA512

        dbf190f2b014d68a329b86502c12b53efed357714072cb19e3c45337b3d2d45c1499e2e2f7843ef21edbb7fd80ef272d844be8088a80f29c5e1b91ea94492bb9

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\ombnbchlkopnoefffjclchlfdpfmdibh\background.html
        Filesize

        146B

        MD5

        03d9cfaf4062591e441e831e10498382

        SHA1

        11d0921f0437a7104f7af75df2ccef70b8ac09e5

        SHA256

        38b0e4b96356dbe5bf6ea1e1a09f03bb8f93c312103d9c47db34aaa537733822

        SHA512

        d0163f388955a865fa5131d802317f18bb65b189441e95ffae5990da0719b7637700e1f25319ac2a4cc5dbce179279919accf577da0804ed08bb0b66b2e533d5

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\ombnbchlkopnoefffjclchlfdpfmdibh\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\ombnbchlkopnoefffjclchlfdpfmdibh\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\ombnbchlkopnoefffjclchlfdpfmdibh\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\zRwLXQBtB4JcFxY.dat
        Filesize

        1KB

        MD5

        4d090c163fd8ee00eb21b532fa82c9a5

        SHA1

        a2194b2ff3d30293f0922531e69cb984b4fd19ad

        SHA256

        51a3b309503d649bbe1874f61f0b0de00c598d1c479cefc24d3ecada96034bd7

        SHA512

        1f8017ab8efe3d80dd4ec31b6d8d2e798e41f35cb67cab83e02594ec8bded63cce48497244f7d23b1c195c091b7a5935014bc855bccca0056759e056d784d526

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\zRwLXQBtB4JcFxY.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSECF5.tmp\zRwLXQBtB4JcFxY.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • memory/4808-132-0x0000000000000000-mapping.dmp