Analysis

  • max time kernel
    57s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2022, 05:02

General

  • Target

    fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe

  • Size

    1.8MB

  • MD5

    7b214fcdac01b1a68243a430eb4adb91

  • SHA1

    e198b1695c7b26cf478b61d7a59a26681dd60ad1

  • SHA256

    fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99

  • SHA512

    5f96d1c554535f1b48b20365975203c48a824e43b28c2f3bb0018dfa58edc6d71eddf4e79e5a6c529f34c9a1cbe150ce4cda358b7fd329e166a3cfce05c02b40

  • SSDEEP

    49152:t9w7C/UQB8wO3uYlJAHcnRuZq2r3oRomNlbUkmDyIGTpQSe:Ym/UQB8wO3f7qcn8q2GbUpNdSe

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 5 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 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe
    "C:\Users\Admin\AppData\Local\Temp\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe
      "C:\Users\Admin\AppData\Local\Temp\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe" --crash-reporter-parent-id=1368
      2⤵
      • Loads dropped DLL
      PID:1232
    • C:\Users\Admin\AppData\Local\Temp\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe
      C:\Users\Admin\AppData\Local\Temp\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.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=0x10c,0x110,0x114,0x108,0x118,0x7459f360,0x7459f370,0x7459f37c
      2⤵
      • Loads dropped DLL
      PID:940
    • C:\Users\Admin\AppData\Local\Temp\Opera Installer\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe
      "C:\Users\Admin\AppData\Local\Temp\Opera Installer\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Opera Installer\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe

    Filesize

    1.8MB

    MD5

    7b214fcdac01b1a68243a430eb4adb91

    SHA1

    e198b1695c7b26cf478b61d7a59a26681dd60ad1

    SHA256

    fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99

    SHA512

    5f96d1c554535f1b48b20365975203c48a824e43b28c2f3bb0018dfa58edc6d71eddf4e79e5a6c529f34c9a1cbe150ce4cda358b7fd329e166a3cfce05c02b40

  • \Users\Admin\AppData\Local\Temp\Opera Installer\fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99.exe

    Filesize

    1.8MB

    MD5

    7b214fcdac01b1a68243a430eb4adb91

    SHA1

    e198b1695c7b26cf478b61d7a59a26681dd60ad1

    SHA256

    fb16f804f174bbb7229d1351f8864ce5d875508793f1c79815dbbe9c1385db99

    SHA512

    5f96d1c554535f1b48b20365975203c48a824e43b28c2f3bb0018dfa58edc6d71eddf4e79e5a6c529f34c9a1cbe150ce4cda358b7fd329e166a3cfce05c02b40

  • \Users\Admin\AppData\Local\Temp\Opera_installer_2211010503065881368.dll

    Filesize

    2.3MB

    MD5

    921fceb39a18b651337deceed787a51d

    SHA1

    18101d671c8021434d08107308d1a3b5f6114929

    SHA256

    2a091f0ae468b121e6aec6c6148b83bcde70830be29f879a5432c67e0cde6af4

    SHA512

    b661952af833137bf9a6d9468429a6015e7fef5872043c0fd78a92ddded1073a729769f6d8ced06293e8134cd657219d2e173ae002b2199f5bd36892ca6342f7

  • \Users\Admin\AppData\Local\Temp\Opera_installer_2211010503069821232.dll

    Filesize

    2.3MB

    MD5

    921fceb39a18b651337deceed787a51d

    SHA1

    18101d671c8021434d08107308d1a3b5f6114929

    SHA256

    2a091f0ae468b121e6aec6c6148b83bcde70830be29f879a5432c67e0cde6af4

    SHA512

    b661952af833137bf9a6d9468429a6015e7fef5872043c0fd78a92ddded1073a729769f6d8ced06293e8134cd657219d2e173ae002b2199f5bd36892ca6342f7

  • \Users\Admin\AppData\Local\Temp\Opera_installer_221101050307486940.dll

    Filesize

    2.3MB

    MD5

    921fceb39a18b651337deceed787a51d

    SHA1

    18101d671c8021434d08107308d1a3b5f6114929

    SHA256

    2a091f0ae468b121e6aec6c6148b83bcde70830be29f879a5432c67e0cde6af4

    SHA512

    b661952af833137bf9a6d9468429a6015e7fef5872043c0fd78a92ddded1073a729769f6d8ced06293e8134cd657219d2e173ae002b2199f5bd36892ca6342f7

  • \Users\Admin\AppData\Local\Temp\Opera_installer_221101050308188336.dll

    Filesize

    2.3MB

    MD5

    921fceb39a18b651337deceed787a51d

    SHA1

    18101d671c8021434d08107308d1a3b5f6114929

    SHA256

    2a091f0ae468b121e6aec6c6148b83bcde70830be29f879a5432c67e0cde6af4

    SHA512

    b661952af833137bf9a6d9468429a6015e7fef5872043c0fd78a92ddded1073a729769f6d8ced06293e8134cd657219d2e173ae002b2199f5bd36892ca6342f7

  • memory/336-70-0x0000000000340000-0x0000000000669000-memory.dmp

    Filesize

    3.2MB

  • memory/940-72-0x00000000002D0000-0x00000000005F9000-memory.dmp

    Filesize

    3.2MB

  • memory/1232-59-0x00000000002D0000-0x00000000005F9000-memory.dmp

    Filesize

    3.2MB

  • memory/1368-66-0x00000000002D0000-0x00000000005F9000-memory.dmp

    Filesize

    3.2MB

  • memory/1368-55-0x0000000074E41000-0x0000000074E43000-memory.dmp

    Filesize

    8KB

  • memory/1368-71-0x0000000002230000-0x0000000002559000-memory.dmp

    Filesize

    3.2MB

  • memory/1368-73-0x00000000034D0000-0x00000000037F9000-memory.dmp

    Filesize

    3.2MB

  • memory/1368-74-0x00000000034D0000-0x00000000037F9000-memory.dmp

    Filesize

    3.2MB