Analysis

  • max time kernel
    143s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/07/2023, 14:19

General

  • Target
    Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe
  • Size 1.0MB
  • Sample230711-rm9pcaae8x
  • SHA256 b2d2f116713950b0742c2cb384c0377ac414be769d317f9e246ecb66730c889d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Users\Admin\AppData\Local\Temp\Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe"
      2⤵
      • Checks QEMU agent file
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:756

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsz91A3.tmp\System.dll
        • Size 11KB
        • SHA256 a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
        • MD5 SHA1 SHA512 SSDEEP

        0f5007522459c86e95ffcc62f32308f1_320257d5-a40a-4005-a66a-f8da3659bec3

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3195054982-4292022746-1467505928-1000\0f5007522459c86e95ffcc62f32308f1_320257d5-a40a-4005-a66a-f8da3659bec3
        • Size 46B
        • SHA256 878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
        • MD5 SHA1 SHA512

        0f5007522459c86e95ffcc62f32308f1_320257d5-a40a-4005-a66a-f8da3659bec3

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3195054982-4292022746-1467505928-1000\0f5007522459c86e95ffcc62f32308f1_320257d5-a40a-4005-a66a-f8da3659bec3
        • Size 46B
        • SHA256 8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
        • MD5 SHA1 SHA512

        memory/756-146-0x0000000000400000-0x0000000001654000-memory.dmp

        memory/756-159-0x0000000000400000-0x0000000001654000-memory.dmp

        memory/756-160-0x0000000001660000-0x0000000005E7A000-memory.dmp

        memory/756-161-0x0000000001660000-0x0000000005E7A000-memory.dmp