Analysis

  • max time kernel
    127s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2022 07:03

General

  • Target

    e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe.exe

  • Size

    2.1MB

  • MD5

    e02492eb807361be10b211a501b02d1c

  • SHA1

    ab0e305a88ebfd17f1b4a24aae25c7d58e95e28b

  • SHA256

    e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe

  • SHA512

    0acc848ba9aec001cf85cb060d26a3c83f8a7eb8fbf969a212a22a6fbf338ac7be949e76ebab35143fb51f36502abf9130e18966edb02cd475438791585312fd

  • SSDEEP

    49152:74c8XwyWct3boU95L0N9bLvrHCV3c79e1Smpli2SegcNQXWtd70L5YU:74ckwyWctLo/T72z4Dks

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 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.

  • 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 11 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe.exe
    "C:\Users\Admin\AppData\Local\Temp\e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Users\Admin\AppData\Local\Temp\e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe.exe
      C:\Users\Admin\AppData\Local\Temp\e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe.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=58.0.3135.53 --initial-client-data=0x270,0x284,0x288,0x280,0x28c,0x74b7a8e0,0x74b7a8f0,0x74b7a8fc
      2⤵
      • Loads dropped DLL
      PID:1172
    • C:\Users\Admin\AppData\Local\Temp\Opera Installer\e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe.exe
      "C:\Users\Admin\AppData\Local\Temp\Opera Installer\e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3276

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Opera Installer\e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe.exe

    Filesize

    2.1MB

    MD5

    e02492eb807361be10b211a501b02d1c

    SHA1

    ab0e305a88ebfd17f1b4a24aae25c7d58e95e28b

    SHA256

    e04b142890ecc9053eda8ce6e9d1bfdbc16a5c40f1bf5b8b11cc3bfa88c1dafe

    SHA512

    0acc848ba9aec001cf85cb060d26a3c83f8a7eb8fbf969a212a22a6fbf338ac7be949e76ebab35143fb51f36502abf9130e18966edb02cd475438791585312fd

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2212190804017114888.dll

    Filesize

    2.9MB

    MD5

    4f458563ccb143ff7f3bbcc57bb43067

    SHA1

    7caa08067bb0165622165f5f21485a7de76a4ae6

    SHA256

    9bc8a1b8429f516c7ea42743eee33ae30b8e5138867303f101b7b9e343772470

    SHA512

    02c459dfa48ec123555357b5d1484ce52ed447e3fff3b3ab712bfa24f9ec3ac0aea4b6f754e5a405563f1c02dfd9c56dc55a227c6282984655885a23759a6905

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2212190804021951172.dll

    Filesize

    2.9MB

    MD5

    4f458563ccb143ff7f3bbcc57bb43067

    SHA1

    7caa08067bb0165622165f5f21485a7de76a4ae6

    SHA256

    9bc8a1b8429f516c7ea42743eee33ae30b8e5138867303f101b7b9e343772470

    SHA512

    02c459dfa48ec123555357b5d1484ce52ed447e3fff3b3ab712bfa24f9ec3ac0aea4b6f754e5a405563f1c02dfd9c56dc55a227c6282984655885a23759a6905

  • C:\Users\Admin\AppData\Local\Temp\Opera_installer_2212190804026173276.dll

    Filesize

    2.9MB

    MD5

    4f458563ccb143ff7f3bbcc57bb43067

    SHA1

    7caa08067bb0165622165f5f21485a7de76a4ae6

    SHA256

    9bc8a1b8429f516c7ea42743eee33ae30b8e5138867303f101b7b9e343772470

    SHA512

    02c459dfa48ec123555357b5d1484ce52ed447e3fff3b3ab712bfa24f9ec3ac0aea4b6f754e5a405563f1c02dfd9c56dc55a227c6282984655885a23759a6905

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

    Filesize

    40B

    MD5

    3c14d6d730e8d64d82d4b1aeb8e976dd

    SHA1

    4226104a6af3cc709641bddfac476dd9c18d00ad

    SHA256

    57cf2e7f66ea1c5b976da4042813282fc0320ad290a9ceb5a0ebe2d56f06d281

    SHA512

    42794e65fad17fe546adc786123decdca14f433b978620685d39192690d981cabd933cae03e5c675e44b2b0bc2ba70f55abf237dc80270cab86c820df0c0869c

  • memory/1172-139-0x0000000000F10000-0x00000000012D6000-memory.dmp

    Filesize

    3.8MB

  • memory/3276-141-0x00000000005C0000-0x0000000000986000-memory.dmp

    Filesize

    3.8MB

  • memory/4888-136-0x0000000000F10000-0x00000000012D6000-memory.dmp

    Filesize

    3.8MB