Analysis

  • max time kernel
    150s
  • 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
    14/07/2023, 12:14

General

  • Target

    Quotation request (UTCB) 2306EU - 0605RO·pdf.exe

  • Size

    1.2MB

  • MD5

    a53782f1a9ed6bb75d29ac917ac5ad03

  • SHA1

    7aec884d8b11b6617cf7067509281500d536574c

  • SHA256

    8d180e30ba451e9e192aac78165e9562713c465ed8837efad56db0c15f0e323c

  • SHA512

    7053b46e04b5da3d00519b9d0ed35b9f0dc226e0bda54f6d458f4926737afccd4c7252511efb58d8324db58f30522110539e5d74014bb110279b3859ec92833c

  • SSDEEP

    24576:mV2+E+Q1yiVG+xr7Ru25gWmCrYIPJtRJ+zGCiu/N05J21IXF1Zd:0cV9rNmCFJzJ+zGfu47hd

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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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
  • 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\Quotation request (UTCB) 2306EU - 0605RO·pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation request (UTCB) 2306EU - 0605RO·pdf.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Users\Admin\AppData\Local\Temp\Quotation request (UTCB) 2306EU - 0605RO·pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation request (UTCB) 2306EU - 0605RO·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:4592

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nsyB632.tmp\System.dll

          Filesize

          11KB

          MD5

          fbe295e5a1acfbd0a6271898f885fe6a

          SHA1

          d6d205922e61635472efb13c2bb92c9ac6cb96da

          SHA256

          a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

          SHA512

          2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3011986978-2180659500-3669311805-1000\0f5007522459c86e95ffcc62f32308f1_ecc70296-7405-4ae7-81c8-95373cc69196

          Filesize

          46B

          MD5

          c07225d4e7d01d31042965f048728a0a

          SHA1

          69d70b340fd9f44c89adb9a2278df84faa9906b7

          SHA256

          8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

          SHA512

          23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3011986978-2180659500-3669311805-1000\0f5007522459c86e95ffcc62f32308f1_ecc70296-7405-4ae7-81c8-95373cc69196

          Filesize

          46B

          MD5

          d898504a722bff1524134c6ab6a5eaa5

          SHA1

          e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

          SHA256

          878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

          SHA512

          26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

        • memory/3256-142-0x0000000077CF1000-0x0000000077E11000-memory.dmp

          Filesize

          1.1MB

        • memory/3256-143-0x0000000074940000-0x0000000074946000-memory.dmp

          Filesize

          24KB

        • memory/4592-178-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-182-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-160-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-161-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-162-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-163-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-164-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-165-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-167-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-171-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-172-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-166-0x0000000001660000-0x0000000006C85000-memory.dmp

          Filesize

          86.1MB

        • memory/4592-173-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-174-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-175-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-146-0x0000000077D78000-0x0000000077D79000-memory.dmp

          Filesize

          4KB

        • memory/4592-179-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-180-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-181-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-159-0x0000000001660000-0x0000000006C85000-memory.dmp

          Filesize

          86.1MB

        • memory/4592-183-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-184-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-185-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-186-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-187-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-188-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-190-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-145-0x0000000077CF1000-0x0000000077E11000-memory.dmp

          Filesize

          1.1MB

        • memory/4592-144-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-207-0x0000000077CF1000-0x0000000077E11000-memory.dmp

          Filesize

          1.1MB

        • memory/4592-208-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-210-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-211-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-212-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-213-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-214-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB

        • memory/4592-215-0x0000000000400000-0x0000000001654000-memory.dmp

          Filesize

          18.3MB