Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2024, 19:53

General

  • Target

    payment advice_pdf.exe

  • Size

    551KB

  • MD5

    341dab4037e9eff3fa0f34fb8382f30c

  • SHA1

    9833559bcda07e6976364672f6b7c8bcef84571f

  • SHA256

    665b8dea01643cce577cc8cc6cc1677e78cbf4559b7c0fbd0446dee65970b4ea

  • SHA512

    bd0d81ddde528f9987f749f9789d6a32300c7eef5d98593c4fc708d0352d0c8828982482894bd8ac9e768e320f4ba5fede2ecd8937a461dadad4015be2940f3d

  • SSDEEP

    6144:ImOP0pJkkuNjE241F13gyLWoz6XVasKvGSz7tvIPykUn5CRFaPyCoUtU7Hi8R55i:pkNE2cL3rKou+vGEZvx5CD1W4i83bWL

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • 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 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 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 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment advice_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\payment advice_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Users\Admin\AppData\Local\Temp\payment advice_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\payment advice_pdf.exe"
      2⤵
      • 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:2712

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1658372521-4246568289-2509113762-1000\0f5007522459c86e95ffcc62f32308f1_f4bfc772-1e14-4cb7-967a-2360098b659f

          Filesize

          46B

          MD5

          d898504a722bff1524134c6ab6a5eaa5

          SHA1

          e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

          SHA256

          878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

          SHA512

          26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1658372521-4246568289-2509113762-1000\0f5007522459c86e95ffcc62f32308f1_f4bfc772-1e14-4cb7-967a-2360098b659f

          Filesize

          46B

          MD5

          c07225d4e7d01d31042965f048728a0a

          SHA1

          69d70b340fd9f44c89adb9a2278df84faa9906b7

          SHA256

          8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

          SHA512

          23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

        • \Users\Admin\AppData\Local\Temp\nso5533.tmp\System.dll

          Filesize

          11KB

          MD5

          9625d5b1754bc4ff29281d415d27a0fd

          SHA1

          80e85afc5cccd4c0a3775edbb90595a1a59f5ce0

          SHA256

          c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448

          SHA512

          dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

        • memory/2712-67-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-63-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-129-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-24-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-25-0x0000000001470000-0x0000000003645000-memory.dmp

          Filesize

          33.8MB

        • memory/2712-26-0x00000000776A0000-0x0000000077849000-memory.dmp

          Filesize

          1.7MB

        • memory/2712-27-0x00000000778C6000-0x00000000778C7000-memory.dmp

          Filesize

          4KB

        • memory/2712-28-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-36-0x0000000001470000-0x0000000003645000-memory.dmp

          Filesize

          33.8MB

        • memory/2712-55-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-54-0x0000000001470000-0x0000000003645000-memory.dmp

          Filesize

          33.8MB

        • memory/2712-128-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-57-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-58-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-59-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-62-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-69-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-127-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-126-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-68-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-73-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-71-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-72-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-70-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-74-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-75-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-76-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-77-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-80-0x0000000077890000-0x0000000077966000-memory.dmp

          Filesize

          856KB

        • memory/2712-125-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-124-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-122-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2712-123-0x0000000000400000-0x0000000001462000-memory.dmp

          Filesize

          16.4MB

        • memory/2912-19-0x00000000041F0000-0x00000000063C5000-memory.dmp

          Filesize

          33.8MB

        • memory/2912-20-0x00000000041F0000-0x00000000063C5000-memory.dmp

          Filesize

          33.8MB

        • memory/2912-22-0x0000000077890000-0x0000000077966000-memory.dmp

          Filesize

          856KB

        • memory/2912-21-0x00000000776A0000-0x0000000077849000-memory.dmp

          Filesize

          1.7MB

        • memory/2912-56-0x00000000041F0000-0x00000000063C5000-memory.dmp

          Filesize

          33.8MB

        • memory/2912-23-0x0000000010000000-0x0000000010006000-memory.dmp

          Filesize

          24KB