Analysis

  • max time kernel
    148s
  • 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
    01/12/2022, 06:44

General

  • Target

    640b7dd2afa542c2c0c68b1a2e96c94d1c3e0789a516395cc3db832ff1ca1d77.exe

  • Size

    249KB

  • MD5

    1ba4941117158d8491486449d2e7616b

  • SHA1

    bfec1ab4c93e015a2fb3ffd015dd84974047bd58

  • SHA256

    640b7dd2afa542c2c0c68b1a2e96c94d1c3e0789a516395cc3db832ff1ca1d77

  • SHA512

    16bd0ca57dfb4ead0fce4b9d1f38cddf4fb932897c06191e639cb61a707de07e8dc542b5c907a376cf2503cb88775ffd185372d51eaa0ec1d64ff8742b04b981

  • SSDEEP

    6144:h1OgDPdkBAFZWjadD4s5AB7+SX3SJ9zkb62dc/3+pxEA:h1OgLdaOAJ+C3SJDoEA

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • 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.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\640b7dd2afa542c2c0c68b1a2e96c94d1c3e0789a516395cc3db832ff1ca1d77.exe
    "C:\Users\Admin\AppData\Local\Temp\640b7dd2afa542c2c0c68b1a2e96c94d1c3e0789a516395cc3db832ff1ca1d77.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\50e30ee281c44.exe
      .\50e30ee281c44.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:3628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\SaveAs\50e30ee281c7c.dll

    Filesize

    115KB

    MD5

    6696822add17061dc0bb8ee5b42cc2d4

    SHA1

    d4622558ba366f2f94560da301a81c6c16f95a3c

    SHA256

    73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

    SHA512

    0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    2b05f563a27e4188d522f094498654c4

    SHA1

    96b117780123537c41b17d014328b44c398a44d5

    SHA256

    81be07b23845ac328134ef0f60bb4a3b3b88a76f0e2699d0530b89062a439db5

    SHA512

    db9ce957d8a4064ab8cec074b3f989bd7a597ae3958b0f904be9c67af7b0d98c5475b2311b0ef0636195849c161e3ca093d43b212b5da9b174c8ae0a446cc5b2

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    e01546eeef3830ff2c3359d236693573

    SHA1

    81cc58a615e2c5561137abbad69e98b49146a22a

    SHA256

    c4cf73bc27efabba92bda4f3e6e7d977f742b3a82b8f6bf7aa3ad39dcf4df9d2

    SHA512

    ba1b935f59bf3980ea443209b235b47bd59c92129aa5b91b322ae1373a98a7d129794c5fcdcd17243583f41bf90871b2f57a66c72a5a81324c4719faafca1cca

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    4d3ecbc29872e6de29513ac68ea71c90

    SHA1

    20e56cfd87d70c72838300cfe178bd1ccc93f3c4

    SHA256

    d3261a6d1f83702bc7fa6c66697d1d94fabe4d69a638422216725b97003ab9dd

    SHA512

    77b9c3228e6c2875295f6daa7cac59dc460008f5e6f7a5f830bafa503d8fed2a1b5e24977ec053cc8ade3ce158d3c7ae45774bcd9c9d8b5df780388f11641abd

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    09299e3571991a323bcceb0bb98a33d6

    SHA1

    dc067bde53fba90255917f81779862967c1a3b50

    SHA256

    b168791c932477876e91564e2217a18622ec5cc8486a27d872464073f7ad29c9

    SHA512

    d8dc3a36d329821b7c18ed126bf0bdee13c1322d768f846fb4089e15e4b836b3eb2a6896d48c73194c89d01e8add868ded2f3ccf3e2e28a09fc36f0be53706ff

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\[email protected]\install.rdf

    Filesize

    702B

    MD5

    0c0547bcfc67733b421c253a9d2100c7

    SHA1

    f56a951faa85328b0c090f35b250268301d43a1d

    SHA256

    a703c6980a01328a8cc7968cf90c490a4465d4419d20e4d53cbe22bc0a7d719a

    SHA512

    c57b94054c8cdc5b48565edd5588f342c5e182ff00d94b14940ca634030aa860ef60a562a4e6714b6e9248a855cb21c56e072b572dc9c1907d378d7fd3ec46dd

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\50e30ee281c44.exe

    Filesize

    70KB

    MD5

    ebcc3eb1a7021aaead55fb677465a717

    SHA1

    3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

    SHA256

    5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

    SHA512

    0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\50e30ee281c44.exe

    Filesize

    70KB

    MD5

    ebcc3eb1a7021aaead55fb677465a717

    SHA1

    3c8347f0fd520ee423a4aafea1112a0b06f4b6c8

    SHA256

    5e74f0e710c067ad82301c7c14ed6afb138f974f351042cfe0ecd275cea2612c

    SHA512

    0f18c22e6eff8ec90ccc616e62f32701d046185311e01e5f506778fae0c31f35123c3ce756ff2c0eef6f23e06e280f870b80080d11dc6da3aa25901f5a92d995

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\50e30ee281c7c.dll

    Filesize

    115KB

    MD5

    6696822add17061dc0bb8ee5b42cc2d4

    SHA1

    d4622558ba366f2f94560da301a81c6c16f95a3c

    SHA256

    73c44d8943947e3cf9ecabdeea4d9a37652614f5490a1f972816be4123795125

    SHA512

    0f1946ce002441d010f67156f67b9d18e01ba35edfeb66ce8096467d3126b547e5040032253275b173f2dba9bce983775f360d83ec026986b55cb85e4b63f099

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\50e30ee281c7c.tlb

    Filesize

    2KB

    MD5

    096a65b8a695249d5d554776f1eeace3

    SHA1

    2f2506b886a59b4408b23653d8734004ec2dda6d

    SHA256

    a602c790bcf424c154a082a88a495b256dd5456f627943568c358c74f606c568

    SHA512

    6e832caff1951b4fdb489997af5736fdbafa1de5573f629fc6798666bffd0ca0715311ce6590202cc970cce4492d94994a588547bb579bf70bc264683bc45cdc

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\dhghmnpiolnmkllgaijifiiogkogebja.crx

    Filesize

    8KB

    MD5

    3c4f120a86b2ed70d84b1d4aa1c76beb

    SHA1

    647fe61f8155d3bd730125adf00068bff0727261

    SHA256

    6662436c7bfebdfa4b2c072b8743abfb0d3adbad0231670021622e3f9d87ec9a

    SHA512

    a412c0b593f4b73fe6d4ed99644837d885b3c53741dd748ccb00ef2ccfb283806f5963c79bccc01d44d382fcc6ff34631244d83a7ce848adfe1f95540a9dcfc8

  • C:\Users\Admin\AppData\Local\Temp\7zS6BBF.tmp\settings.ini

    Filesize

    6KB

    MD5

    a3c793dfddd3635e71bca5dc4100e618

    SHA1

    7fba1a2de76c4fc0a2854cde568acf76c7ebdb42

    SHA256

    38891af29c42c8e4d8e15b9c6f9904a06bcc54b19ec6e84eff614702dce8b1cb

    SHA512

    0be685e82d731deb6e8720663eec2a87918d0a95caec7ad0c60d6c4b4ef1e10dbb0ff1a4da2ae737abbcffa9b82922b9e61fa12ec57b61879f16eded363a611b

  • C:\Users\Admin\AppData\Local\Temp\nse6D75.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • C:\Users\Admin\AppData\Local\Temp\nse6D75.tmp\nsJSON.dll

    Filesize

    7KB

    MD5

    b9cd1b0fd3af89892348e5cc3108dce7

    SHA1

    f7bc59bf631303facfc970c0da67a73568e1dca6

    SHA256

    49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

    SHA512

    fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90

  • memory/3628-147-0x0000000074560000-0x000000007456A000-memory.dmp

    Filesize

    40KB