Analysis

  • max time kernel
    140s
  • max time network
    150s
  • 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 21:18

General

  • Target

    a4501ef58d67d21808b5f8d0826d922ab7a7db80a03245e0ff2266cde95d52a4.exe

  • Size

    931KB

  • MD5

    ecf912b775e1135e257f6c650b028b32

  • SHA1

    9f0512a68319928ea12bfa7975f4dcfe14da5ab2

  • SHA256

    a4501ef58d67d21808b5f8d0826d922ab7a7db80a03245e0ff2266cde95d52a4

  • SHA512

    fb36c718c383a0f230fd63ea0529a52f178116c50cbc039eaa18d0b92419ff9427729af58b0135ad2e39b4023220f884fc83be95b83add642a291ae65b154b71

  • SSDEEP

    24576:h1OYdaO1CZ/iWCvu/2sWsJA/jlt+DHhsI:h1OsPCpYO/dJJDHhsI

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\a4501ef58d67d21808b5f8d0826d922ab7a7db80a03245e0ff2266cde95d52a4.exe
    "C:\Users\Admin\AppData\Local\Temp\a4501ef58d67d21808b5f8d0826d922ab7a7db80a03245e0ff2266cde95d52a4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\weJsW1TDQCfd7YF.exe
      .\weJsW1TDQCfd7YF.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4748
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:396
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:816

      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\7zS76EA.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        8473b77b26daedd383d65225ce1c534c

        SHA1

        de0edd5226907818b0c28073d7c0226370c05f22

        SHA256

        faf2a2e092ee35b1d60b6160a3a36e6caee6cc1e271a7fb176adea1c1fab1696

        SHA512

        9a9b7537de7d94bc3876ea989b66c1c48e5ddeb8cd625236d47ccce59f1a71c4ca41a282aa155e9cbeed63a1336fd38d16ea5bd7454e2ced20749abf19a98023

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        36184a353dc7a1c693fdb983e1775f6e

        SHA1

        735dac34e731ce50fc6ab8280d7aac0e45181819

        SHA256

        d1b1f1b9526ee4e31081145e12e62d1af92ec57a50343310ca96ec130be8d5c1

        SHA512

        59b623264cedd7aef591ecdd5ba0889c9587ea714014a7fe814b35b0598f33ef1e7f96cb3909e381658997b4723cab474515d3f1334795589a3b10a218b966cb

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\[email protected]\install.rdf
        Filesize

        597B

        MD5

        9091eb044310f85ccdcd8b88be2a2f69

        SHA1

        037ff76e4ce05988bb1a1b6b3b074953ba0a24a0

        SHA256

        d2a4e6959f3f5a08e1f6815c1ec845dc26356f5172af42e992d5c1980f2c3966

        SHA512

        e1a820a1eaa1b028779eb57cbdb3c400accfbc740f842b0aa8973022dacd904908fb636e74ba05515017339a7b54394d257c6fc7c09635f2da63cfe546d196d9

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\hcadkkgapelapkacgmjlhpfachoofjcl\background.html
        Filesize

        147B

        MD5

        cdd4d5a15a3dad610eb3c47ca638961b

        SHA1

        322ae009fbb0b22b7d815afdc040e0cea7fe6214

        SHA256

        33edbd232db565028661fb64e74e092d40ec054b8c349d7d2f82334529295dc0

        SHA512

        4f79056bb1a38f767ab655ec943daaa105b8a6ece78489a78a74526eb3a4b010f57e0dbe37578ed6e346dc5f42207517e2d4da621243071ec3a3ab39d5f40de8

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\hcadkkgapelapkacgmjlhpfachoofjcl\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\hcadkkgapelapkacgmjlhpfachoofjcl\ij4ylqwwbb.js
        Filesize

        6KB

        MD5

        309354c080a88e3d93bb964169990a6b

        SHA1

        da962eb25c35433fa196a724c4201772dd98253d

        SHA256

        a3a359b0f53d5efa999d525850d66393865b8b42d7e01fd216752458ba5a071a

        SHA512

        9de511bc3a14bce658fe086882f03eef33a36e5b3ccae181cfe9453f3e1d318ab2224cace89b77f447027c0c9f4e12d5257e001c335ea48854a21bb0dae515d6

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\hcadkkgapelapkacgmjlhpfachoofjcl\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\hcadkkgapelapkacgmjlhpfachoofjcl\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\weJsW1TDQCfd7YF.dat
        Filesize

        1KB

        MD5

        15b7a28f373b3cb599d693a3be67ca31

        SHA1

        cea09075126f6d12492f51051af24397dbd0346b

        SHA256

        fbf010bded4429216078a63dfcb35531727d6d438f5435bb05c7b968f156cf24

        SHA512

        039ece4225adab87d53ddb272e68c9eaa9b80524e1a8c97acd81ca30b4bd9bfc24e1c6c84765af53a252b01f42ca4bd99a64848e334fb22cab7d5978b459313c

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\weJsW1TDQCfd7YF.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS76EA.tmp\weJsW1TDQCfd7YF.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • memory/4748-132-0x0000000000000000-mapping.dmp