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Analysis

  • max time kernel
    141s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2023, 21:20

General

  • Target

    a7162c1383d8903273e919ebbaacf380137fd933e76a65c0bb79988cdf6a385a.exe

  • Size

    1.2MB

  • MD5

    ac52baf33dce0b3361af383e8e2fcb47

  • SHA1

    8ff972335ace8050cc18ce1aff31bfe03d2709c9

  • SHA256

    a7162c1383d8903273e919ebbaacf380137fd933e76a65c0bb79988cdf6a385a

  • SHA512

    2c472ac0526dd59be9352a023bc979fcdc1348595e5475f8768fa1ff44921fe1a856551ccb811bf8838fad6cbbeb3f4e7af794364917ed73703bcf5a486ee3c5

  • SSDEEP

    24576:Dq1kYgbWSey7ueOP6OXYK5097OLp8mGMS/lpZj4coCYHb0YLBTdrEH7k:w2l7uzPLd8mGz/lfUcophBj

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • ACProtect 1.3x - 1.4x DLL software 4 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • UPX packed file 6 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7162c1383d8903273e919ebbaacf380137fd933e76a65c0bb79988cdf6a385a.exe
    "C:\Users\Admin\AppData\Local\Temp\a7162c1383d8903273e919ebbaacf380137fd933e76a65c0bb79988cdf6a385a.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 2016
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3980 -ip 3980
    1⤵
    • Loads dropped DLL
    PID:2940
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:2372
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4316

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • C:\ProgramData\CyberLink\CBE\D8D760AC-ACA2-493e-9623-61E9D47DE89C\a7162c1383d8903273e919ebbaacf380137fd933e76a65c0bb79988cdf6a385a.exe_v2\UNO.ini

      Filesize

      7B

      MD5

      be9d6efbd8632e482c64618f00a701fa

      SHA1

      cc7c0702a34305282ba77d4eb88db1fa0bbed850

      SHA256

      d94fd0c7e43df0a03014a44d79653c0845adb29e6222ca47718c46af90847b84

      SHA512

      c59eee3a838ec35f447c28a701289f3f35ea5ec08d0c38df54482b39a2219598074d49fc162b1ef46d9e20c336221f53bc86de7163183193001b466ff36dd5c8

    • C:\Users\Admin\AppData\Local\Temp\e5f4361e-899c-4c9c-b630-5e8d19d9ad7e.json

      Filesize

      434B

      MD5

      4dad7d754294622aee01ff65deb6f922

      SHA1

      712bbeb57885363598b917bf8dd6cbdcde5e0a34

      SHA256

      854c0559ff0a440ed0689b59b5812137f70bd8a431fedee9681ab7094b04e36f

      SHA512

      e8b93f066cb8ac9f002d629c48afb2c3ccb87f079c8bc831ab1433cb2dfc9eb19611cd96c0171738153422400f9fb0d93f8ac850d28b51701739c75721ca83a9

    • memory/3980-21-0x0000000000380000-0x00000000004A3000-memory.dmp

      Filesize

      1.1MB

    • memory/3980-36-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3980-22-0x0000000000380000-0x00000000004A3000-memory.dmp

      Filesize

      1.1MB

    • memory/3980-6-0x0000000000380000-0x00000000004A3000-memory.dmp

      Filesize

      1.1MB

    • memory/3980-5-0x0000000000380000-0x00000000004A3000-memory.dmp

      Filesize

      1.1MB

    • memory/3980-3-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3980-35-0x0000000000380000-0x00000000004A3000-memory.dmp

      Filesize

      1.1MB

    • memory/3980-14-0x0000000000380000-0x00000000004A3000-memory.dmp

      Filesize

      1.1MB

    • memory/4316-37-0x000001431F840000-0x000001431F850000-memory.dmp

      Filesize

      64KB

    • memory/4316-53-0x000001431F940000-0x000001431F950000-memory.dmp

      Filesize

      64KB

    • memory/4316-69-0x0000014327C60000-0x0000014327C61000-memory.dmp

      Filesize

      4KB

    • memory/4316-71-0x0000014327C90000-0x0000014327C91000-memory.dmp

      Filesize

      4KB

    • memory/4316-72-0x0000014327C90000-0x0000014327C91000-memory.dmp

      Filesize

      4KB

    • memory/4316-73-0x0000014327DA0000-0x0000014327DA1000-memory.dmp

      Filesize

      4KB