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Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/07/2023, 06:36

General

  • Target

    Demande de devis IUM2307-20FR·pdf.exe

  • Size

    755KB

  • MD5

    434ead5d45f9e5c7b027c3b79a421f7e

  • SHA1

    8105d9deb4d4a81f5d3ee78490b53738abf9fc1a

  • SHA256

    2c8b9e7e30951113a55140552f9c3aaebb7c7e4a11624b5c948d5a64d9a89f3b

  • SHA512

    fefdbba776df2b221fd0d8a582d075c2b7e21bec7b8b5352f69421f190c79a3e563144f10de7b48008baf9d7de98dbf216f7a481ed645e80a846b7987591bec7

  • SSDEEP

    12288:8UAUfu1CdbQ+X14hhkacfs7+qjxc8QiApsATU59N3UpjtipGuyoc5ZMZDd8a:rRbQYva9OD+XfkpjgpGuBEM5

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
  • 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\Demande de devis IUM2307-20FR·pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Demande de devis IUM2307-20FR·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:4544
    • C:\Users\Admin\AppData\Local\Temp\Demande de devis IUM2307-20FR·pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Demande de devis IUM2307-20FR·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:5016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsp924E.tmp\System.dll

    Filesize

    11KB

    MD5

    cf85183b87314359488b850f9e97a698

    SHA1

    6b6c790037eec7ebea4d05590359cb4473f19aea

    SHA256

    3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

    SHA512

    fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1420546310-613437930-2990200354-1000\0f5007522459c86e95ffcc62f32308f1_4dc48ea0-ec1c-4c48-ab6a-6232968c18bf

    Filesize

    46B

    MD5

    c07225d4e7d01d31042965f048728a0a

    SHA1

    69d70b340fd9f44c89adb9a2278df84faa9906b7

    SHA256

    8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

    SHA512

    23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1420546310-613437930-2990200354-1000\0f5007522459c86e95ffcc62f32308f1_4dc48ea0-ec1c-4c48-ab6a-6232968c18bf

    Filesize

    46B

    MD5

    d898504a722bff1524134c6ab6a5eaa5

    SHA1

    e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

    SHA256

    878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

    SHA512

    26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

  • C:\Users\Public\Music\upmanship.ini

    Filesize

    54B

    MD5

    b35a34e3604afae99e29dc7ffce1753b

    SHA1

    ac4e7891b7533ae0cead86bbcaa95d0d46a5fcb9

    SHA256

    7f024b9ab835f5243e309279b29fdb6a02706c50e49c267db2474fe3d3b1b637

    SHA512

    9e2c0d54fcae52975dc91e587532f831aaf315ffae4774dd95e8745956375fc2013e42413f41d38a681303d7a802d12fc9eb2c8d2bc7f878d0885eec8ae3fa66

  • memory/4544-150-0x0000000004200000-0x0000000007083000-memory.dmp

    Filesize

    46.5MB

  • memory/4544-151-0x0000000004200000-0x0000000007083000-memory.dmp

    Filesize

    46.5MB

  • memory/4544-152-0x0000000077021000-0x0000000077141000-memory.dmp

    Filesize

    1.1MB

  • memory/4544-153-0x0000000077021000-0x0000000077141000-memory.dmp

    Filesize

    1.1MB

  • memory/4544-154-0x0000000010000000-0x0000000010006000-memory.dmp

    Filesize

    24KB

  • memory/5016-186-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-194-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-171-0x0000000001660000-0x00000000044E3000-memory.dmp

    Filesize

    46.5MB

  • memory/5016-172-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-173-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-174-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-176-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-175-0x0000000001660000-0x00000000044E3000-memory.dmp

    Filesize

    46.5MB

  • memory/5016-178-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-179-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-180-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-184-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-185-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-157-0x0000000001660000-0x00000000044E3000-memory.dmp

    Filesize

    46.5MB

  • memory/5016-187-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-188-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-189-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-192-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-193-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-158-0x00000000770A8000-0x00000000770A9000-memory.dmp

    Filesize

    4KB

  • memory/5016-195-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-196-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-197-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-198-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-199-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-200-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-201-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-202-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-213-0x0000000077021000-0x0000000077141000-memory.dmp

    Filesize

    1.1MB

  • memory/5016-156-0x0000000001660000-0x00000000044E3000-memory.dmp

    Filesize

    46.5MB

  • memory/5016-155-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-220-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-221-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-222-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-224-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-225-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/5016-226-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB