Analysis

  • max time kernel
    119s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 08:04

General

  • Target

    26aafd22341f603cbc8f27be3e929670N.exe

  • Size

    2.3MB

  • MD5

    26aafd22341f603cbc8f27be3e929670

  • SHA1

    9bb383c4376551d181a8481b9d73424a08d88739

  • SHA256

    6940cf3612570fb09d58cc23a64fbe99ba460f0a4a59fcc393adbdec274f7077

  • SHA512

    633233e5eb0a9ee9248fe147d81b94095b23cb3aca2dbfd9ffd79ff0c3d29b9653843b44c8de4dbdd9582892f895906c7646e77ba86d90fcaaa94098bf9ae67a

  • SSDEEP

    49152:Djvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:DrkI9rSjA5aDo73pzF2bz3p9y4HgIoov

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

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

  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 64 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26aafd22341f603cbc8f27be3e929670N.exe
    "C:\Users\Admin\AppData\Local\Temp\26aafd22341f603cbc8f27be3e929670N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2088
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    6dc79119854f67ec5a92f4242c7eee02

    SHA1

    2a45a2b69818fdf0426642060b15922904a774a7

    SHA256

    36e1b6e683fa738a5e6bd3a9a87d4310dcda981a8c5ae9b16490dbdac13933fb

    SHA512

    91c8258b92ba139d75904d5496dd90abedda229143ef09a366941b002c9b6d039f601c007df60aaa14ad2fae09827c274c4e68585457d8651cd1f161fb623c7e

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    2.3MB

    MD5

    6628e5bb67cdef4f7493e27704997c56

    SHA1

    a4a4753736b62a9cfab8c4a2f5743e61753e2cad

    SHA256

    98741a0cd90026af09c51f764c8b1bff8e4638b48bd2633787a488af19386cdd

    SHA512

    999b5e6f8f43a89dfc416b0e768ca06c8748d4c08b902f5a339d38a7b411b0d0748343096be8fad986b35398935af2d62e9f2a05159ed902ee5552b3cdaa17f5

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    24b3f6b284232ee67d80cb86c151147f

    SHA1

    9c340d6d3fe1ac835162206ea5126b56c643df3e

    SHA256

    84e97173f417bb22238e239b7ebddc8cdd48e83d0f3a80c06a431dd3aa2f2eba

    SHA512

    39525fa31870cefa60313e8d98e6ed8c0580d7697d27ac29e7123955c66d32a62b62c0213501492801a144dd312a124d2a3515496db891a11bfb2babad269ea1

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    d8b63239a2a2d7e22057cdf6e2b200bf

    SHA1

    7b5091a0803fffb0be485a16e7f9747c6277c0a1

    SHA256

    1e1b5f22e0fe69d639f81eeb65bd19b91ab80990b962458d541b53cdd88e85c3

    SHA512

    388e512b98132aa7a5e02ba19d3fd370e104989e07a441636f88056ea31e40bda8dd720a1749a7bad2202015f9c9430b18b98b4425b95e52c0aa04105df37811

  • memory/536-51-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-55-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-67-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-65-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-63-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-61-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-59-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-57-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-37-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/536-36-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-43-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/536-53-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-45-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-48-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/536-47-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/536-46-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/536-49-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2084-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2084-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2084-27-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2084-29-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2084-13-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2084-25-0x0000000000170000-0x0000000000179000-memory.dmp

    Filesize

    36KB

  • memory/2084-26-0x0000000000170000-0x0000000000179000-memory.dmp

    Filesize

    36KB

  • memory/2084-24-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2088-34-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB