Analysis

  • max time kernel
    149s
  • max time network
    149s
  • 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 21:10

General

  • Target

    a6ecbad4a7ac456d29c410fc26e43382c30baa41b016cd9b009f8822c8f12ff3.exe

  • Size

    2.5MB

  • MD5

    7858610cf31cc66135fd37b63a337c5f

  • SHA1

    1515bf6e990a1ce665ae9ce9a348d065905e8554

  • SHA256

    a6ecbad4a7ac456d29c410fc26e43382c30baa41b016cd9b009f8822c8f12ff3

  • SHA512

    4cd6b5d1b13135ac973f0636bb5d43a7dc2418fca9242b7813b7eda4e13c8db49d2227f691bc17230158c34bce71d66d7a89f9851b412c9bb9af540f2cc564d5

  • SSDEEP

    49152:h1OshjFsF6BIZ6OR+zs1JpLSy8TamBBYiHNqesoDSeiFmLm7Ec/:h1OcFsFfSdamBBCJ

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\a6ecbad4a7ac456d29c410fc26e43382c30baa41b016cd9b009f8822c8f12ff3.exe
    "C:\Users\Admin\AppData\Local\Temp\a6ecbad4a7ac456d29c410fc26e43382c30baa41b016cd9b009f8822c8f12ff3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\NxJBTqAm8sOclEM.exe
      .\NxJBTqAm8sOclEM.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:4900
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\jaNatAioLaL837.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\jaNatAioLaL837.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1220
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:5064
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:4244

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Browser Extensions

      1
      T1176

      Defense Evasion

      Modify Registry

      1
      T1112

      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:\Program Files (x86)\GoSave\jaNatAioLaL837.dat
        Filesize

        6KB

        MD5

        9bc985f943268c9243461bbfd7a3f697

        SHA1

        e467ac3280bf80476331bb62c30594407babe8ed

        SHA256

        b0884d35b047cb6a4d0f9560e95433c50388402986d320240f103ad69321c77b

        SHA512

        91f7dccd50b358622bb49e8e3acc6067e0a80e093489439ba611cca21d519ed2de1aaad4415f05fd3129bd378f385c588461d145d641c648408cf5a25a76a6e9

      • C:\Program Files (x86)\GoSave\jaNatAioLaL837.dll
        Filesize

        751KB

        MD5

        51de093d4de0e1770a8d5ae5b11489a6

        SHA1

        8e146af4ea2ace9ab67d8b054c9ec44d3cd3ea6d

        SHA256

        c192c99a3fab7bad57d362639be6fccdbb5cf34c9c288000b8696bd1eddb1024

        SHA512

        cb2bdb939f4a3b014b528d8adb34c4837fd5f0d3f0c851bf883af73d32e1e5a33f2548c4f1eef0c15395e9b50266699c7295bec8ed18c0360d9385e4f3146cd9

      • C:\Program Files (x86)\GoSave\jaNatAioLaL837.x64.dll
        Filesize

        885KB

        MD5

        e9fcd138a439639f3e0d9d5132d3e436

        SHA1

        da3f7a144edf55d81c51cdc7ca8fb7523170c8b0

        SHA256

        8760d302ee6da66c7067d31592493f6a1fe9cc841b7d7bbaa8340c47103eac10

        SHA512

        b221bebb2eb1402de683df193c0e85ff83dc026d884a3658b04018c16336a7fe83666d75d6d25f0446acd0d0e7edd3e85e26d716fdbd9f7df1fa5a5a57ced518

      • C:\Program Files (x86)\GoSave\jaNatAioLaL837.x64.dll
        Filesize

        885KB

        MD5

        e9fcd138a439639f3e0d9d5132d3e436

        SHA1

        da3f7a144edf55d81c51cdc7ca8fb7523170c8b0

        SHA256

        8760d302ee6da66c7067d31592493f6a1fe9cc841b7d7bbaa8340c47103eac10

        SHA512

        b221bebb2eb1402de683df193c0e85ff83dc026d884a3658b04018c16336a7fe83666d75d6d25f0446acd0d0e7edd3e85e26d716fdbd9f7df1fa5a5a57ced518

      • C:\Program Files (x86)\GoSave\jaNatAioLaL837.x64.dll
        Filesize

        885KB

        MD5

        e9fcd138a439639f3e0d9d5132d3e436

        SHA1

        da3f7a144edf55d81c51cdc7ca8fb7523170c8b0

        SHA256

        8760d302ee6da66c7067d31592493f6a1fe9cc841b7d7bbaa8340c47103eac10

        SHA512

        b221bebb2eb1402de683df193c0e85ff83dc026d884a3658b04018c16336a7fe83666d75d6d25f0446acd0d0e7edd3e85e26d716fdbd9f7df1fa5a5a57ced518

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\NxJBTqAm8sOclEM.dat
        Filesize

        6KB

        MD5

        9bc985f943268c9243461bbfd7a3f697

        SHA1

        e467ac3280bf80476331bb62c30594407babe8ed

        SHA256

        b0884d35b047cb6a4d0f9560e95433c50388402986d320240f103ad69321c77b

        SHA512

        91f7dccd50b358622bb49e8e3acc6067e0a80e093489439ba611cca21d519ed2de1aaad4415f05fd3129bd378f385c588461d145d641c648408cf5a25a76a6e9

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\NxJBTqAm8sOclEM.exe
        Filesize

        772KB

        MD5

        185cd3f1cf58893b907ec5f920aa8469

        SHA1

        351fe3fa844814b1eb3c11b639e7ca18ab3e5f1d

        SHA256

        d6453dd990bab78c972cf9dd6f4ea22926bf2065729420220f43a28326b7f206

        SHA512

        e65dd244f457a9a00cf634fe069f16b4c5cf305e6ba4e8233af16391468e3fdc06b1dbf78852a7a57aacea434b2851567f3949ecf81131c78b7ecff668342a34

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\NxJBTqAm8sOclEM.exe
        Filesize

        772KB

        MD5

        185cd3f1cf58893b907ec5f920aa8469

        SHA1

        351fe3fa844814b1eb3c11b639e7ca18ab3e5f1d

        SHA256

        d6453dd990bab78c972cf9dd6f4ea22926bf2065729420220f43a28326b7f206

        SHA512

        e65dd244f457a9a00cf634fe069f16b4c5cf305e6ba4e8233af16391468e3fdc06b1dbf78852a7a57aacea434b2851567f3949ecf81131c78b7ecff668342a34

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\jaNatAioLaL837.dll
        Filesize

        751KB

        MD5

        51de093d4de0e1770a8d5ae5b11489a6

        SHA1

        8e146af4ea2ace9ab67d8b054c9ec44d3cd3ea6d

        SHA256

        c192c99a3fab7bad57d362639be6fccdbb5cf34c9c288000b8696bd1eddb1024

        SHA512

        cb2bdb939f4a3b014b528d8adb34c4837fd5f0d3f0c851bf883af73d32e1e5a33f2548c4f1eef0c15395e9b50266699c7295bec8ed18c0360d9385e4f3146cd9

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\jaNatAioLaL837.tlb
        Filesize

        3KB

        MD5

        047bee2f8bf85433936212eaa4c04716

        SHA1

        29e9117fc11c876b6e04ec0b011974296a30feeb

        SHA256

        cb25219305cf64514550e88983aadade6d0028377cb4f58df0bd86b352415738

        SHA512

        521e6a605ca048b577752c11b2662337d23b98b6b16f0bcb1cd79b6ef63f76b51125808697d19a87e9bd5638f7f0459b687a1f1763ba834abaf3e53b5c0916e3

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\jaNatAioLaL837.x64.dll
        Filesize

        885KB

        MD5

        e9fcd138a439639f3e0d9d5132d3e436

        SHA1

        da3f7a144edf55d81c51cdc7ca8fb7523170c8b0

        SHA256

        8760d302ee6da66c7067d31592493f6a1fe9cc841b7d7bbaa8340c47103eac10

        SHA512

        b221bebb2eb1402de683df193c0e85ff83dc026d884a3658b04018c16336a7fe83666d75d6d25f0446acd0d0e7edd3e85e26d716fdbd9f7df1fa5a5a57ced518

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\kpckedenilblpbblanioojcpgpifgkim\background.html
        Filesize

        142B

        MD5

        89d776ad822cf3b2120c36d7fced64f6

        SHA1

        a9bd7b35716aba5d0bbcff0e3b20f3e48c57290e

        SHA256

        9ac300682d5ed0662ee512de4a554bc452ce9803312aa5c7198991d410f1cbfe

        SHA512

        6e578d00be31968c9c23382cfa67761fc0a5cf8bcea4924071bf1ab21906058b8d859737d1b32f940d808d0c585bc194974419ef4150db59d076fb51906d7a44

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\kpckedenilblpbblanioojcpgpifgkim\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\kpckedenilblpbblanioojcpgpifgkim\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\kpckedenilblpbblanioojcpgpifgkim\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\kpckedenilblpbblanioojcpgpifgkim\zQE5b.js
        Filesize

        5KB

        MD5

        2835d8f2643a6d234b228c3867c0ee82

        SHA1

        38642da83c432d89d5f990588f60adbbbaea1135

        SHA256

        3884cafb1da70adf9ca5285b1ea774ea94e250a75dc59f0567f9125bc39a60fb

        SHA512

        044d63cce5296247df7f3581ba0fe13625423fe088d504a7f811290fa5967316855682978a9161855513ea4f3faf61bbaf11f33e03f45d72d986a6e3d71f30ae

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        84e4f12f6b4c94f3ae112a397fab2655

        SHA1

        52f8bca11feddd1e19edbcf192d92955d1ec97f0

        SHA256

        cb2f02422bedb97753bc109ec5b347ea29c9d879f5862982d9c1ed0b39b48b30

        SHA512

        adf4a28449f96d087f4d4998155177aaf1bdb154f12b06069109863adf9fc20e605e067da1ceee8d4432a741141a170fa3e8620c824ac5b9e57423b8df11d5a0

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        5d4f97b282c40ee1cd62c31a84fe0037

        SHA1

        9d6e2089438c5b2e646b6021f86740312d04cd38

        SHA256

        711f97a9935cbce4d8419df5e6edaf6883387654550a23d2c9637f98e828e1f0

        SHA512

        c9da75f46fbc3b680858c7d1904fecb19e7a88a6beb86248880281142408997186bfe706c8a81c46d12f0276fcdb5a2be18c2222e76cfaf2a0c1cd2defef4a36

      • C:\Users\Admin\AppData\Local\Temp\7zS82B2.tmp\[email protected]\install.rdf
        Filesize

        592B

        MD5

        2adb04fc46e02c2f457e224a6c18f052

        SHA1

        a47802241306520e47eadcad225971d9e4b84a80

        SHA256

        e93941a629d6ff52296f736e8611efafe32be2efb25b875077fde6aa37fa4340

        SHA512

        34c10509916799009887f556b684a4e18eed0501e3792081d0e92f86f13f082b669bb9974a9369b945d89ecb1b52ede2675f69557932e9f2b30c105ade6615f3

      • memory/1220-152-0x0000000000000000-mapping.dmp
      • memory/1932-149-0x0000000000000000-mapping.dmp
      • memory/4900-132-0x0000000000000000-mapping.dmp