Analysis

  • max time kernel
    141s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2022 07:38

General

  • Target

    db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe

  • Size

    1.8MB

  • MD5

    2b086fe3d24dbd717ecb8dde9ab77277

  • SHA1

    3418b0425435ff7273e7819700d3a1bca7cf8ce2

  • SHA256

    db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8

  • SHA512

    d748d25110e1672a44532d5cbe8e94ffbed8b558a4e78f8b0710422f68d12efc820e92652a29891d086d05a78dbcd652c477fde1431561c139cb5249b34e7880

  • SSDEEP

    49152:+9w7C/UQB8wO3uYlJAHcnRuZq2r3oRomNlbUkmDyIGTpQSo:Nm/UQB8wO3f7qcn8q2GbUpNdSo

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe
    "C:\Users\Admin\AppData\Local\Temp\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Users\Admin\AppData\Local\Temp\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe
      "C:\Users\Admin\AppData\Local\Temp\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe" --crash-reporter-parent-id=4180
      2⤵
      • Loads dropped DLL
      PID:868
    • C:\Users\Admin\AppData\Local\Temp\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe
      C:\Users\Admin\AppData\Local\Temp\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=56.0.3051.36 --initial-client-data=0x284,0x298,0x29c,0x294,0x2a0,0x7594f360,0x7594f370,0x7594f37c
      2⤵
      • Loads dropped DLL
      PID:4172
    • C:\Users\Admin\AppData\Local\Temp\Opera Installer\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe
      "C:\Users\Admin\AppData\Local\Temp\Opera Installer\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3596

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Opera Installer\db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8.exe

    Filesize

    1.8MB

    MD5

    2b086fe3d24dbd717ecb8dde9ab77277

    SHA1

    3418b0425435ff7273e7819700d3a1bca7cf8ce2

    SHA256

    db6983f0268dae2d04e7b7b6298056c13a5f5bff074056999a18081f052dd0e8

    SHA512

    d748d25110e1672a44532d5cbe8e94ffbed8b558a4e78f8b0710422f68d12efc820e92652a29891d086d05a78dbcd652c477fde1431561c139cb5249b34e7880

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2212170838480904180.dll

    Filesize

    2.3MB

    MD5

    921fceb39a18b651337deceed787a51d

    SHA1

    18101d671c8021434d08107308d1a3b5f6114929

    SHA256

    2a091f0ae468b121e6aec6c6148b83bcde70830be29f879a5432c67e0cde6af4

    SHA512

    b661952af833137bf9a6d9468429a6015e7fef5872043c0fd78a92ddded1073a729769f6d8ced06293e8134cd657219d2e173ae002b2199f5bd36892ca6342f7

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_221217083849231868.dll

    Filesize

    2.3MB

    MD5

    921fceb39a18b651337deceed787a51d

    SHA1

    18101d671c8021434d08107308d1a3b5f6114929

    SHA256

    2a091f0ae468b121e6aec6c6148b83bcde70830be29f879a5432c67e0cde6af4

    SHA512

    b661952af833137bf9a6d9468429a6015e7fef5872043c0fd78a92ddded1073a729769f6d8ced06293e8134cd657219d2e173ae002b2199f5bd36892ca6342f7

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2212170838511374172.dll

    Filesize

    2.3MB

    MD5

    921fceb39a18b651337deceed787a51d

    SHA1

    18101d671c8021434d08107308d1a3b5f6114929

    SHA256

    2a091f0ae468b121e6aec6c6148b83bcde70830be29f879a5432c67e0cde6af4

    SHA512

    b661952af833137bf9a6d9468429a6015e7fef5872043c0fd78a92ddded1073a729769f6d8ced06293e8134cd657219d2e173ae002b2199f5bd36892ca6342f7

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2212170838514493596.dll

    Filesize

    2.3MB

    MD5

    921fceb39a18b651337deceed787a51d

    SHA1

    18101d671c8021434d08107308d1a3b5f6114929

    SHA256

    2a091f0ae468b121e6aec6c6148b83bcde70830be29f879a5432c67e0cde6af4

    SHA512

    b661952af833137bf9a6d9468429a6015e7fef5872043c0fd78a92ddded1073a729769f6d8ced06293e8134cd657219d2e173ae002b2199f5bd36892ca6342f7

  • C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports\settings.dat

    Filesize

    40B

    MD5

    84a9c70155e72ee7235f8eefc550efc1

    SHA1

    be451f3593783e7647dc9542938f0af064f4ddae

    SHA256

    3b36857b685e580284805248919b0c53cca7d0a00f05e837c8d91615e5c9e4a8

    SHA512

    6b63014d961f9de94cfbd1cf286f7c9b0f337f754801e3bb42b1ca5bee4e4515bcd56e929327d0d63f2c50b9e1c411754513b1ff5f7a294d0be7b29d15b039b5

  • memory/868-134-0x0000000000000000-mapping.dmp

  • memory/868-136-0x0000000000D20000-0x0000000001049000-memory.dmp

    Filesize

    3.2MB

  • memory/868-137-0x0000000000D20000-0x0000000001049000-memory.dmp

    Filesize

    3.2MB

  • memory/3596-141-0x0000000000000000-mapping.dmp

  • memory/3596-145-0x00000000002F0000-0x0000000000619000-memory.dmp

    Filesize

    3.2MB

  • memory/4172-143-0x0000000000D20000-0x0000000001049000-memory.dmp

    Filesize

    3.2MB

  • memory/4172-138-0x0000000000000000-mapping.dmp

  • memory/4180-133-0x0000000000D20000-0x0000000001049000-memory.dmp

    Filesize

    3.2MB