Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2022, 02:18

General

  • Target

    2297050ad906b9e469a56a826ead3c6864dba7d6e330bf91e27c7a8d0fa83254.exe

  • Size

    2.0MB

  • MD5

    1b430718b7e43cc314b81e614bd26e28

  • SHA1

    92dfe8ed410970f6cf179abede49615d8c0133e6

  • SHA256

    2297050ad906b9e469a56a826ead3c6864dba7d6e330bf91e27c7a8d0fa83254

  • SHA512

    0c24c39f16ac1fd5d61c868e57643a0ff183b9ef7cb9558c887b40745860c09ac3d9c6e39b21e29eafa72fb2ab4472207a16b5c4c1e122054f91a64ef81aaec4

  • SSDEEP

    1536:cd04boUzdIBsZUpUQSe1sjL/91IqmM4nouy8:cdJboUpEsueFssP11I5Mwout

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 18 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 15 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 24 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2297050ad906b9e469a56a826ead3c6864dba7d6e330bf91e27c7a8d0fa83254.exe
    "C:\Users\Admin\AppData\Local\Temp\2297050ad906b9e469a56a826ead3c6864dba7d6e330bf91e27c7a8d0fa83254.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Users\Admin\E696D64614\winlogon.exe
      "C:\Users\Admin\E696D64614\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4384
      • C:\Users\Admin\E696D64614\winlogon.exe
        "C:\Users\Admin\E696D64614\winlogon.exe"
        3⤵
        • Modifies firewall policy service
        • Modifies security service
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Sets file execution options in registry
        • Windows security modification
        • Checks whether UAC is enabled
        • Modifies Control Panel
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • System policy modification
        PID:4960
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:3988
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1168
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1168 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3488

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

      Filesize

      2KB

      MD5

      8cd381eca2d5342e36b1e65a9b7f82d5

      SHA1

      d9b529576e1ea26e8daf88fcda26b7a0069da217

      SHA256

      17ff373fb2deb3ef3931ae098202097211226848ea6c581ceb9514e7a6e49369

      SHA512

      c888bcac5413df3eac3b068d37c866362d37915f1a25508743d818f79ce5b0518fe7ec7a4ff29be51d2404eb5f999b5d2238e60a8670375b82a8a96566101154

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

      Filesize

      1KB

      MD5

      8641ac0a62e1e72023be75ceed4638a9

      SHA1

      a347dbd79e99d81cdd6ec77783008fec9f7e7d42

      SHA256

      d291f90a287f0bf8702208bab880ef95c5b2bd22a2c21762e828a707a004da2c

      SHA512

      9a12e4baf2ca8bc5c4ca5a8606a9200241da8fb413e50ef6c0b6b4597c25a2636915bd9dfd7e9a97e0f58a15859629bad9222188dccdaf4efdbb8e14884d0ffe

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C67047FE238D580B731A13BEA5F7481F

      Filesize

      472B

      MD5

      176c5bdeeb799ec212e8b21126aa58d5

      SHA1

      02c76719828821643ec84cfe61ecb4499838021c

      SHA256

      eaa1c4ffce046f2951b93258d2c8c396da596a86c40cb3954ea8ceb4b13aa842

      SHA512

      a8fcd3787e674c37c70bce3a3cb0cdf832c03483d01a29887183ca8345d632f0bb75509586b07218e9c4d06c5d1a413dc26374270789b147446d54cf0303f3ed

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

      Filesize

      488B

      MD5

      3fc68d08f8f75726b8729996b77a2a78

      SHA1

      03878cb63f8bc51e5c7bc039f4ee05c559b80020

      SHA256

      181336d0411f1f31891a41e86399ff5b11e54a7c12c79c7ec70ca00dc63756f8

      SHA512

      082518c4da00d18d8ffc3712660506cef39dfdb453503668708df9930f0751d63a47874e9128ba5526b0f8d024ae2be6ee78850673079e13d0ffcdbd155e2175

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

      Filesize

      482B

      MD5

      171faea8ab4df0e7483781635d565916

      SHA1

      edbf45f9ba1b5d75155223d1907ef8d7f4ef286b

      SHA256

      cd77f7e18081bf3705565e5957c10aede8b83cf4579237bfb0fe0342e3a5dd50

      SHA512

      b3a9da667547031c7d15bc95fbcb38d2d1e3277de1dc681c26665bcb80a5002bc6eeeed0e71d6e2f0613937eed106abb5bf4738632747672b19abd819f96f4f5

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C67047FE238D580B731A13BEA5F7481F

      Filesize

      480B

      MD5

      15e559cfa1d147939d9fd757ca7d1d81

      SHA1

      0817c706d13c30601da37c5ebadaf82d38064e86

      SHA256

      0d165b8e7ebb3c57b36c8940736cc54db53964cdc4dde9cea1b16e81b0d38988

      SHA512

      18e3544360618c97118220d0248b4716c8e115bcf9e40fd6dd38fef078c0200ee262cf8c1d92b3b9ef1ef6d877df001b61c548ee9cfffb403abce29d6822d450

    • C:\Users\Admin\E696D64614\winlogon.exe

      Filesize

      2.0MB

      MD5

      1b430718b7e43cc314b81e614bd26e28

      SHA1

      92dfe8ed410970f6cf179abede49615d8c0133e6

      SHA256

      2297050ad906b9e469a56a826ead3c6864dba7d6e330bf91e27c7a8d0fa83254

      SHA512

      0c24c39f16ac1fd5d61c868e57643a0ff183b9ef7cb9558c887b40745860c09ac3d9c6e39b21e29eafa72fb2ab4472207a16b5c4c1e122054f91a64ef81aaec4

    • C:\Users\Admin\E696D64614\winlogon.exe

      Filesize

      2.0MB

      MD5

      1b430718b7e43cc314b81e614bd26e28

      SHA1

      92dfe8ed410970f6cf179abede49615d8c0133e6

      SHA256

      2297050ad906b9e469a56a826ead3c6864dba7d6e330bf91e27c7a8d0fa83254

      SHA512

      0c24c39f16ac1fd5d61c868e57643a0ff183b9ef7cb9558c887b40745860c09ac3d9c6e39b21e29eafa72fb2ab4472207a16b5c4c1e122054f91a64ef81aaec4

    • C:\Users\Admin\E696D64614\winlogon.exe

      Filesize

      2.0MB

      MD5

      1b430718b7e43cc314b81e614bd26e28

      SHA1

      92dfe8ed410970f6cf179abede49615d8c0133e6

      SHA256

      2297050ad906b9e469a56a826ead3c6864dba7d6e330bf91e27c7a8d0fa83254

      SHA512

      0c24c39f16ac1fd5d61c868e57643a0ff183b9ef7cb9558c887b40745860c09ac3d9c6e39b21e29eafa72fb2ab4472207a16b5c4c1e122054f91a64ef81aaec4

    • memory/4384-142-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB

    • memory/4960-147-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4960-151-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4960-148-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4960-144-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4960-158-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/5100-132-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB

    • memory/5100-139-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB

    • memory/5100-135-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB