Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 19:33

General

  • Target

    c4fef886aa160025abd49ce6c58e19c24caaf0297a8ce2630f81945e5eea38e0.exe

  • Size

    932KB

  • MD5

    bf01fd4b0e9ade21049336239510dc33

  • SHA1

    282805163d06e61883602290e802210b2eadbda1

  • SHA256

    c4fef886aa160025abd49ce6c58e19c24caaf0297a8ce2630f81945e5eea38e0

  • SHA512

    3da26e47b3fe98e6483475f2fad1fc5060f69077610acbfb6b076480c4a1a0336e6cc335d3f8505f214cfc2cca0fe025bba5f011404a818e1b2ed93677088eb9

  • SSDEEP

    24576:h1OYdaO9CZ/iWCvu/2sWsJA/jlt+DHhs5:h1OszCpYO/dJJDHhs5

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\c4fef886aa160025abd49ce6c58e19c24caaf0297a8ce2630f81945e5eea38e0.exe
    "C:\Users\Admin\AppData\Local\Temp\c4fef886aa160025abd49ce6c58e19c24caaf0297a8ce2630f81945e5eea38e0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\I3wevHTpvweqjmd.exe
      .\I3wevHTpvweqjmd.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4232
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:3044
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4492

      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\7zSFFA2.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        62c41f5a5ba72145916ff11eaea028bd

        SHA1

        580038a211b8830296eff572fcb2f6c0e590fa65

        SHA256

        1fa2a5adb85387c41fca15c1062de8428c038fd75492bc989a8957ec478c668a

        SHA512

        1ea6c30bbd46f6e2c6169db8e5730f0a12813c9c83a367a241233689d7dae3a6759777afa838610b2fdb3ac44247c053d026ad86a38c6dbad983850534bf6a01

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\[email protected]\content\bg.js
        Filesize

        9KB

        MD5

        1c540f1387a6e7e7897ec8f1392a16d8

        SHA1

        3ca8f38d4c5ed61142e58f28d96ebbdde4ac31d6

        SHA256

        da003df44698b3697f322ec5189e484808082ec65a5aa2aba5b895835957c31c

        SHA512

        c7038e944215b29a8d21da2e0a4bc186483f80424ece2942b46b7ee71e6699a5a08ad854f66e7e18cdea4b5987311d937eeb6fe8136fe194e35e60e63db0c5ad

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\[email protected]\install.rdf
        Filesize

        591B

        MD5

        d9f5967e597ea901f4a1362b06dd7659

        SHA1

        4f68e674358d21593e0944919cf70bc915079568

        SHA256

        238285fb3f93ae34e719a02b04f3c1fb2f34f1f8f78dd18b61f6ef39bd62962d

        SHA512

        9413f3d9409f7a137f83008766172c4b6ce96b2fbf854f4fcfe7ed04e0b534474a1277870340459ad67c4fe1f9dbd3f1257643fa48868925cd0ee612047cdad2

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\I3wevHTpvweqjmd.dat
        Filesize

        1KB

        MD5

        82ff3d278e8e3b2b71bcb5edc9747627

        SHA1

        a467a3d714969b633380b7bfb66db08c2e7310ea

        SHA256

        27d41f37e940332fde120806de36fb8e250c0b3026fc171a5bacf63eb61edab1

        SHA512

        542a2f168adfdc9408f94104f3136fff948155a47a46ff054a597ed7fe3ad52aee7c375e6eb2c9a7337294b153a8972f0efef407ca1c0814a47dd1b3591108a4

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\I3wevHTpvweqjmd.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\I3wevHTpvweqjmd.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\hdfdbccjibpgpdlhgpfaonmjnjcgldjb\IIfoGdlsa.js
        Filesize

        6KB

        MD5

        1b8ba9c8511534d7d619604c06a41ac7

        SHA1

        7c162dfe6592e8f826c806cd524d872a2535aa72

        SHA256

        eb703d7420b3cd2f4c9dd20da4c05ce24df554f808547b65444c985e86011c59

        SHA512

        0ab90dce2c7e4dbf62ca3f4f733ee1cb18d38d56744e0625e2e3c33f7b2d4a3ae5011ddd5825997dc6453646959d1ea67558d5bc5f038c0efdd76377155f191b

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\hdfdbccjibpgpdlhgpfaonmjnjcgldjb\background.html
        Filesize

        146B

        MD5

        9ec8b6b95d8b90ee63eb76354995d46c

        SHA1

        dfd6ddd3ca8b126788f825f3272850f29d0452bb

        SHA256

        225c243d4e5aac754595d28fbe23e5e81c97588cd31be93e1eb095d4ff062d9b

        SHA512

        7035cc3e02acdde09d0a88310df357854e0bdb2a62c053409392becf6ba0329844a922fa154a6a42fc27966c05c00292cad6567d805826353e3b096fe4fda8f4

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\hdfdbccjibpgpdlhgpfaonmjnjcgldjb\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\hdfdbccjibpgpdlhgpfaonmjnjcgldjb\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zSFFA2.tmp\hdfdbccjibpgpdlhgpfaonmjnjcgldjb\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • memory/4232-132-0x0000000000000000-mapping.dmp