Analysis

  • max time kernel
    142s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 13:54

General

  • Target

    0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317.exe

  • Size

    2.7MB

  • MD5

    36d01f956e9d1c8ce5ccd37774ce8fbf

  • SHA1

    04eee2772b6f1b6105155c310e79e01d4c5a8ea9

  • SHA256

    0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317

  • SHA512

    12924cbe2f278693edac9514e44fd5c7e3414024d86118a23cb14f8e9c20917e1a6c0c375ab243b0b4df5738b9054958c2f334227e1ad2607d11f359d9e5b444

  • SSDEEP

    49152:y6KN3J3DrBW/NTy0ljNLHbW0e6v2D5NTtSbXUuE11eJC53B3AQ7iRrxdS8iyEuXE:yZZJnBW/ZjNL7pe6v2D5NTS3E1vHwQu8

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • 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.

  • UPX packed file 8 IoCs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317.exe
    "C:\Users\Admin\AppData\Local\Temp\0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317.exe
      C:\Users\Admin\AppData\Local\Temp\0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317.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=90.0.4480.48 --initial-client-data=0x188,0x18c,0x190,0x15c,0x194,0x74cb89c8,0x74cb89d8,0x74cb89e4
      2⤵
      • Loads dropped DLL
      PID:2184
    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317.exe
      "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1a28b0c57dd190224183cfaf4bbfe31f

    SHA1

    4c91ba4296d4b50b2b46a7ca5fa1dac77883c1bb

    SHA256

    d0f4f931d93a57c455314cae14fb5404a17d10e725ec7609a15b959ad55a9a85

    SHA512

    0100f37c29240e5d0b07ed8a93210aea697fce8318155a9d70463450e15fa58d934e950266dbe8fe6dcb4fa5a11e09b03565fb049091cd683da0d7446ba88362

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    759ba8de392f90f11c4f5f0ec4403eaf

    SHA1

    dd04e821f146e9f40dae3d2006b07580cc44e2b4

    SHA256

    818dc86985de208a239025ea844bb6ecfc8554f8ca8e66f970d96d53d0a00bfc

    SHA512

    7740037cf87afb8ad9a1a74c7f0117bef909daf14819a1bdb92a8e4df4aba82cdc51dae164c9c813e6dbf5d42e4849155fc705e92f1d76c9103691bf34bd86a5

  • C:\Users\Admin\AppData\Local\Temp\Cab601C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar603E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317.exe

    Filesize

    2.7MB

    MD5

    36d01f956e9d1c8ce5ccd37774ce8fbf

    SHA1

    04eee2772b6f1b6105155c310e79e01d4c5a8ea9

    SHA256

    0fc5dd15a8baa6cfc7803bf04438d855be159893490cc5a92c16ff6adde4e317

    SHA512

    12924cbe2f278693edac9514e44fd5c7e3414024d86118a23cb14f8e9c20917e1a6c0c375ab243b0b4df5738b9054958c2f334227e1ad2607d11f359d9e5b444

  • \Users\Admin\AppData\Local\Temp\Opera_installer_2406121354273382012.dll

    Filesize

    4.5MB

    MD5

    81fe65af3d3707ef3d58020f87c8ae21

    SHA1

    d25b438f9c2a4ef5929ca4167e2f6526f9252703

    SHA256

    c2be617c6c6a77724400992878a95dfdb7dd24571330a167e9c423d33098cb7b

    SHA512

    2a3cd92b9f5df14834cff9b37e5fa40faf47d8bb4a637fe44d58d69b0fdc218d2ea39e179b711ebad715eb656c8fb7fa2b7b4642c3301e000bf60fc38a6e0969

  • memory/2012-17-0x00000000035B0000-0x0000000003ADE000-memory.dmp

    Filesize

    5.2MB

  • memory/2012-0-0x0000000000400000-0x000000000092E000-memory.dmp

    Filesize

    5.2MB

  • memory/2012-4-0x00000000028F0000-0x0000000002E1E000-memory.dmp

    Filesize

    5.2MB

  • memory/2012-287-0x0000000000400000-0x000000000092E000-memory.dmp

    Filesize

    5.2MB

  • memory/2012-397-0x00000000028F0000-0x0000000002E1E000-memory.dmp

    Filesize

    5.2MB

  • memory/2012-616-0x00000000035B0000-0x0000000003ADE000-memory.dmp

    Filesize

    5.2MB

  • memory/2184-6-0x0000000000400000-0x000000000092E000-memory.dmp

    Filesize

    5.2MB

  • memory/2184-288-0x0000000000400000-0x000000000092E000-memory.dmp

    Filesize

    5.2MB

  • memory/2712-18-0x0000000000400000-0x000000000092E000-memory.dmp

    Filesize

    5.2MB

  • memory/2712-22-0x0000000000400000-0x000000000092E000-memory.dmp

    Filesize

    5.2MB