Analysis

  • max time kernel
    125s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 01:58

General

  • Target

    4938b60724c603ece13e9913a4fc5250edb30d4250f448a34bb74e4dfe424bf0.exe

  • Size

    2.5MB

  • MD5

    753ffbdaafeb2fa8a8b0ffbb9467a33d

  • SHA1

    0c9e4a8f143eaa6b9cdcb95a79e97204193fc87f

  • SHA256

    4938b60724c603ece13e9913a4fc5250edb30d4250f448a34bb74e4dfe424bf0

  • SHA512

    6a7c7c5bb93dcf9f5ba903bade0ff1bea82a6a1a550463a4584ddffc9b664156dfcf283b79ac1e9123260db6e7cc9a71f5b56071021d722b17160da574bd72d9

  • SSDEEP

    49152:h1OsfPHVmVhYwiLtKkKyW4nFU0I+NP/f7I3lMOaYjdxvL0Hy:h1OUHVl71RnFXINxvD

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\4938b60724c603ece13e9913a4fc5250edb30d4250f448a34bb74e4dfe424bf0.exe
    "C:\Users\Admin\AppData\Local\Temp\4938b60724c603ece13e9913a4fc5250edb30d4250f448a34bb74e4dfe424bf0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\AJcv41cpaMFgcfc.exe
      .\AJcv41cpaMFgcfc.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:2292
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\PKOORv3iRAiWvD.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4248
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\PKOORv3iRAiWvD.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:4268
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:1280
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4368

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\GoSave\PKOORv3iRAiWvD.dat

        Filesize

        7KB

        MD5

        a51d6b557210413670f27e30920a5444

        SHA1

        9e8b9118fcd535ef82d7fa776715547e1c15108f

        SHA256

        47f6ec8161a3fad20ac7104ba23ba11ea280e399160ac6e6e6c271925b99cd58

        SHA512

        a8aea4c740795f591f08940548c3e271702826ab4b258fa360805d732da779194cbdadf6a445bb6d265d1ed7e34228adbd5dcffb7af7378989c8071e56f90308

      • C:\Program Files (x86)\GoSave\PKOORv3iRAiWvD.dll

        Filesize

        747KB

        MD5

        d949da968ea04ac3a7ddf0e300bb32be

        SHA1

        581d7d799c538b8e9e578cf57c420fb802d5a201

        SHA256

        5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

        SHA512

        fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

      • C:\Program Files (x86)\GoSave\PKOORv3iRAiWvD.x64.dll

        Filesize

        885KB

        MD5

        1a6b1013f17c1cdc6e98f82cd2568ea8

        SHA1

        c96e7bdba616743a5c05b08a342d89ed102376b0

        SHA256

        fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

        SHA512

        10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

      • C:\Program Files (x86)\GoSave\PKOORv3iRAiWvD.x64.dll

        Filesize

        885KB

        MD5

        1a6b1013f17c1cdc6e98f82cd2568ea8

        SHA1

        c96e7bdba616743a5c05b08a342d89ed102376b0

        SHA256

        fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

        SHA512

        10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

      • C:\Program Files (x86)\GoSave\PKOORv3iRAiWvD.x64.dll

        Filesize

        885KB

        MD5

        1a6b1013f17c1cdc6e98f82cd2568ea8

        SHA1

        c96e7bdba616743a5c05b08a342d89ed102376b0

        SHA256

        fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

        SHA512

        10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\AJcv41cpaMFgcfc.dat

        Filesize

        7KB

        MD5

        a51d6b557210413670f27e30920a5444

        SHA1

        9e8b9118fcd535ef82d7fa776715547e1c15108f

        SHA256

        47f6ec8161a3fad20ac7104ba23ba11ea280e399160ac6e6e6c271925b99cd58

        SHA512

        a8aea4c740795f591f08940548c3e271702826ab4b258fa360805d732da779194cbdadf6a445bb6d265d1ed7e34228adbd5dcffb7af7378989c8071e56f90308

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\AJcv41cpaMFgcfc.exe

        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\AJcv41cpaMFgcfc.exe

        Filesize

        760KB

        MD5

        dcd148f6f3af3e3b0935c4fcc9f41811

        SHA1

        ee9bdbc7c568c7832d90b85921ab20030b6734cd

        SHA256

        f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

        SHA512

        34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\PKOORv3iRAiWvD.dll

        Filesize

        747KB

        MD5

        d949da968ea04ac3a7ddf0e300bb32be

        SHA1

        581d7d799c538b8e9e578cf57c420fb802d5a201

        SHA256

        5c4756451acf8622efa75639f9131ca8215c165e2ef21cc1ab7f8fee77db462b

        SHA512

        fd00e332af52646425f0d4032bb1bbfc85a44ff274bcf212f1264a29be546db4c1ceab7da32c70248a6baa2c55d2dff47dcb2ac441c783a1d9d1260c4685eb7e

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\PKOORv3iRAiWvD.tlb

        Filesize

        3KB

        MD5

        5b503f1b4056c3d4fbf2d03f88e1adfe

        SHA1

        c8d659ea27bf0ca0bbfd46865d5796589bf9ef68

        SHA256

        231ef0fef77ab6c7fea053f64a9ce7f9e21646b868bfe391962262fc15c9bb6c

        SHA512

        229207201368d9674258389df19132070390f913aa5cc21b7567c515be5f5e0f07cdaa460d497ae355f27f00f7fc75538783d8890f6c9c0e861a7ecb8f520bdb

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\PKOORv3iRAiWvD.x64.dll

        Filesize

        885KB

        MD5

        1a6b1013f17c1cdc6e98f82cd2568ea8

        SHA1

        c96e7bdba616743a5c05b08a342d89ed102376b0

        SHA256

        fa9dd2bd7850053b251c9b5f27f1ac43ad04abf85de61b1928b7c2d562d3290a

        SHA512

        10596f46c52ca3f50d6b3c7c894fff8b41f4fe920c6e5e0138cf7e95e85bfe1db8d5f1a63939832cd48cf29f571dd36de40ebb931fb9b14a106518ae4fc17ef9

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\hgmhhcjkmmhfmapflljmcgcmpmfjkogn\ZU3RM6zR.js

        Filesize

        6KB

        MD5

        265bae13cf73caa4bad007e64995fd77

        SHA1

        daa5d1ef63d5ab0e04c71b97a05ae4beaaa2eca3

        SHA256

        ba81e20e3c308fc9f0f7c64cc5d1f0e704a803f931129eb92cf316efe1b24144

        SHA512

        71286dac798ca254ee7e4b238c9a69b980c60dcd560f47f06a18c2fdbd89515b37231510eb1c559a02890af09bbd17a766b2d4ab6d5f508e88dedbdae6f57244

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\hgmhhcjkmmhfmapflljmcgcmpmfjkogn\background.html

        Filesize

        145B

        MD5

        4e9bd19bf6c5c085607f95be5bc3b8a3

        SHA1

        e51a4e9de02f9d179e9e1a7d820513818955cb26

        SHA256

        4d775171be67293c85f9c93c0f20c5c2f3f1795ba3c399a5c30985f7b7363e60

        SHA512

        cb1c4c58a0296bdc4603140cf05e7e056e11dee8146eb1f43a53098dad040f72fa0382395aa53bbbdc158e6680e4abc93e45519cc2a69d78c551e500134669bd

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\hgmhhcjkmmhfmapflljmcgcmpmfjkogn\content.js

        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\hgmhhcjkmmhfmapflljmcgcmpmfjkogn\lsdb.js

        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\hgmhhcjkmmhfmapflljmcgcmpmfjkogn\manifest.json

        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\[email protected]\bootstrap.js

        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\[email protected]\chrome.manifest

        Filesize

        35B

        MD5

        2ed0101099f05dab7877b513bd42f236

        SHA1

        bfce523f936ef159709fb1edecee6beb44877837

        SHA256

        bfe51b4276f30862ca95ea9f69e2a9f70eb79bfd8f18c5bd972596737e9226cb

        SHA512

        e816e8f1d75357789bffbaa9fd428f95e4b927bead28413c77f4414c9eaf66faffb526281f5e8ce3811822719eb8818bf232b39bd6ea989ed5d0164cc25e53db

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\[email protected]\content\bg.js

        Filesize

        8KB

        MD5

        1e6ef91321d153f7157e01f92a272839

        SHA1

        957e52d101791b87c5160f854edae09b1e47cab4

        SHA256

        3ff4c96c885078361d0511678fe6ad72831521ff52fa12aff5d683b2dd27eba5

        SHA512

        ee05dde0afbbe6760df3c5b0a41117c13da50e6e381fa38414a3f0379106f3b3e05f0d4394f3b353c53630121e79123970c58a1fdf493eae5f0b7a6de0bf1221

      • C:\Users\Admin\AppData\Local\Temp\7zSBE05.tmp\[email protected]\install.rdf

        Filesize

        595B

        MD5

        1f6d114352922e0643ae240162c3e817

        SHA1

        0c4aa9edc79770c1cc62efe41438b7a5ccc595b0

        SHA256

        a31759b804933866768310df6fefc9b7546c9c85edae8c9a499ac0e90095d1df

        SHA512

        1bb2c9dca125332ecfd167c4cc856081963ee56082cdcf9683d40f2b6fecac959204fe6b17183e1f3a46772015899552639481317866cc5cffee699ca3ae3ec9

      • memory/2292-132-0x0000000000000000-mapping.dmp

      • memory/4248-149-0x0000000000000000-mapping.dmp

      • memory/4268-152-0x0000000000000000-mapping.dmp