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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2023, 06:26

General

  • Target

    cf0f3550fc8e22e1754eda45c883125f34159b26ddafb8649fd4d7876a82328d.exe

  • Size

    2.9MB

  • MD5

    a1e8853219afd1191f1d832e4a304ec2

  • SHA1

    cc0769fd386f865c9c0a81c4c2c8dcd90309bdc7

  • SHA256

    cf0f3550fc8e22e1754eda45c883125f34159b26ddafb8649fd4d7876a82328d

  • SHA512

    ebe1836029f8a4c49294f2e05fcc050d5895ef0a356d65006337abea89fc7d91d1a24f9ab2bb4ad3b4f716b892a36f8dccafe2575ca8f5b95fc2a2271c480544

  • SSDEEP

    49152:WTGkQf5QZuTtS0rQMYOQ+q8CEETG4QiTGHQ79KFeMD:WKkcWsM0r1QnbK4XKHg0Feq

Score
8/10
upx

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 16 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Users\Admin\AppData\Local\Temp\cf0f3550fc8e22e1754eda45c883125f34159b26ddafb8649fd4d7876a82328d.exe
        "C:\Users\Admin\AppData\Local\Temp\cf0f3550fc8e22e1754eda45c883125f34159b26ddafb8649fd4d7876a82328d.exe"
        2⤵
        • Checks computer location settings
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:432
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\cf0f3550fc8e22e1754eda45c883125f34159b26ddafb8649fd4d7876a82328d.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4136
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            4⤵
            • Delays execution with timeout.exe
            PID:4768
      • C:\ProgramData\netsh.exe
        "C:\ProgramData\netsh.exe"
        2⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3400
    • C:\Windows\Syswow64\b415c158
      C:\Windows\Syswow64\b415c158
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Windows\Syswow64\b415c158"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3140
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:3920
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:228
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5000

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\netsh.exe

        Filesize

        94KB

        MD5

        6f1e6dd688818bc3d1391d0cc7d597eb

        SHA1

        9184e64c36629a1dcef084e19cc3e3bef78f2d7b

        SHA256

        6b691b06fa865f52c9484ef4f10e2e02ed6d7c3a3f474b8b138a33af7258b2a9

        SHA512

        92bb25170b96980ca688de629220d0321ba3601f6396456be462e432c5ce958d29dd52f728a7fa992b16f82d456f017809a9e9138e3c2608832469d0f007af24

      • C:\Windows\SysWOW64\b415c158

        Filesize

        2.9MB

        MD5

        2a128b6210b4ffabd736059452a9ec4e

        SHA1

        3b9c91d32d342afcf1624a56ff28a0cd4082828b

        SHA256

        ef9d05ba26cc7333bfdc70861ca429b0f25b765b27144c6d88937c97c51cd432

        SHA512

        8a658790c6dcfc23d66fbc5b44e5f5b0afac713e4a304fba4391a80c606da7168d9ec57397e6b873ef5be31592a250833390eb9173225445f7bcbe587355a162

      • C:\Windows\SysWOW64\b415c158

        Filesize

        2.9MB

        MD5

        2a128b6210b4ffabd736059452a9ec4e

        SHA1

        3b9c91d32d342afcf1624a56ff28a0cd4082828b

        SHA256

        ef9d05ba26cc7333bfdc70861ca429b0f25b765b27144c6d88937c97c51cd432

        SHA512

        8a658790c6dcfc23d66fbc5b44e5f5b0afac713e4a304fba4391a80c606da7168d9ec57397e6b873ef5be31592a250833390eb9173225445f7bcbe587355a162

      • memory/432-27-0x0000000000AB0000-0x0000000000B39000-memory.dmp

        Filesize

        548KB

      • memory/432-0-0x0000000000AB0000-0x0000000000B39000-memory.dmp

        Filesize

        548KB

      • memory/432-37-0x0000000000AB0000-0x0000000000B39000-memory.dmp

        Filesize

        548KB

      • memory/612-70-0x000002D3815F0000-0x000002D3815F1000-memory.dmp

        Filesize

        4KB

      • memory/612-29-0x000002D381590000-0x000002D3815B8000-memory.dmp

        Filesize

        160KB

      • memory/612-28-0x000002D3815F0000-0x000002D3815F1000-memory.dmp

        Filesize

        4KB

      • memory/1456-4-0x0000000000D90000-0x0000000000E19000-memory.dmp

        Filesize

        548KB

      • memory/1456-67-0x0000000000D90000-0x0000000000E19000-memory.dmp

        Filesize

        548KB

      • memory/1456-30-0x0000000000D90000-0x0000000000E19000-memory.dmp

        Filesize

        548KB

      • memory/3144-120-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-121-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-172-0x0000000002F10000-0x0000000002F20000-memory.dmp

        Filesize

        64KB

      • memory/3144-169-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-168-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-15-0x00000000094B0000-0x00000000095A7000-memory.dmp

        Filesize

        988KB

      • memory/3144-14-0x0000000008340000-0x0000000008341000-memory.dmp

        Filesize

        4KB

      • memory/3144-51-0x0000000008340000-0x0000000008341000-memory.dmp

        Filesize

        4KB

      • memory/3144-64-0x00000000094B0000-0x00000000095A7000-memory.dmp

        Filesize

        988KB

      • memory/3144-118-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-119-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-13-0x0000000008320000-0x0000000008323000-memory.dmp

        Filesize

        12KB

      • memory/3144-122-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-123-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-12-0x0000000008320000-0x0000000008323000-memory.dmp

        Filesize

        12KB

      • memory/3144-10-0x0000000008320000-0x0000000008323000-memory.dmp

        Filesize

        12KB

      • memory/3144-117-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-116-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-115-0x0000000009640000-0x0000000009650000-memory.dmp

        Filesize

        64KB

      • memory/3144-114-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-113-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-109-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-111-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-106-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-107-0x00000000093B0000-0x00000000093C0000-memory.dmp

        Filesize

        64KB

      • memory/3144-105-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-103-0x0000000009640000-0x0000000009650000-memory.dmp

        Filesize

        64KB

      • memory/3144-102-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-100-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-99-0x0000000009640000-0x0000000009650000-memory.dmp

        Filesize

        64KB

      • memory/3144-86-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-87-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-88-0x00000000093B0000-0x00000000093C0000-memory.dmp

        Filesize

        64KB

      • memory/3144-89-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-90-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-91-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-92-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-93-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-95-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-97-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3144-98-0x0000000008440000-0x0000000008450000-memory.dmp

        Filesize

        64KB

      • memory/3400-68-0x000001E616E90000-0x000001E616E91000-memory.dmp

        Filesize

        4KB

      • memory/3400-71-0x000001E618AA0000-0x000001E618AA1000-memory.dmp

        Filesize

        4KB

      • memory/3400-101-0x000001E619330000-0x000001E619331000-memory.dmp

        Filesize

        4KB

      • memory/3400-83-0x000001E618AE0000-0x000001E618AE1000-memory.dmp

        Filesize

        4KB

      • memory/3400-82-0x000001E618AD0000-0x000001E618AD1000-memory.dmp

        Filesize

        4KB

      • memory/3400-104-0x000001E619330000-0x000001E619331000-memory.dmp

        Filesize

        4KB

      • memory/3400-81-0x000001E619150000-0x000001E6191F0000-memory.dmp

        Filesize

        640KB

      • memory/3400-80-0x000001E618A90000-0x000001E618A91000-memory.dmp

        Filesize

        4KB

      • memory/3400-79-0x000001E618AE0000-0x000001E618AE1000-memory.dmp

        Filesize

        4KB

      • memory/3400-78-0x000001E618A80000-0x000001E618A81000-memory.dmp

        Filesize

        4KB

      • memory/3400-77-0x000001E618AD0000-0x000001E618ADF000-memory.dmp

        Filesize

        60KB

      • memory/3400-76-0x000001E618A90000-0x000001E618A91000-memory.dmp

        Filesize

        4KB

      • memory/3400-75-0x000001E619150000-0x000001E6191F0000-memory.dmp

        Filesize

        640KB

      • memory/3400-74-0x000001E618A70000-0x000001E618A71000-memory.dmp

        Filesize

        4KB

      • memory/3400-73-0x000001E618A80000-0x000001E618A81000-memory.dmp

        Filesize

        4KB

      • memory/3400-72-0x000001E618A90000-0x000001E618A91000-memory.dmp

        Filesize

        4KB

      • memory/3400-69-0x000001E618A80000-0x000001E618A81000-memory.dmp

        Filesize

        4KB

      • memory/3400-24-0x00007FFA2D090000-0x00007FFA2D0A0000-memory.dmp

        Filesize

        64KB

      • memory/3400-84-0x000001E618AF0000-0x000001E618AF1000-memory.dmp

        Filesize

        4KB

      • memory/3400-85-0x000001E619330000-0x000001E619331000-memory.dmp

        Filesize

        4KB

      • memory/3400-125-0x000001E618A60000-0x000001E618A61000-memory.dmp

        Filesize

        4KB

      • memory/3400-65-0x00007FFA2D090000-0x00007FFA2D0A0000-memory.dmp

        Filesize

        64KB

      • memory/3400-124-0x000001E618A60000-0x000001E618A61000-memory.dmp

        Filesize

        4KB

      • memory/3400-66-0x000001E616FB0000-0x000001E61707B000-memory.dmp

        Filesize

        812KB

      • memory/3400-126-0x000001E618A60000-0x000001E618A61000-memory.dmp

        Filesize

        4KB

      • memory/3400-23-0x000001E616E90000-0x000001E616E91000-memory.dmp

        Filesize

        4KB

      • memory/3400-21-0x000001E616FB0000-0x000001E61707B000-memory.dmp

        Filesize

        812KB

      • memory/3400-170-0x000001E618A60000-0x000001E618A61000-memory.dmp

        Filesize

        4KB

      • memory/3400-22-0x000001E616FB0000-0x000001E61707B000-memory.dmp

        Filesize

        812KB

      • memory/3400-167-0x000001E618A60000-0x000001E618A61000-memory.dmp

        Filesize

        4KB

      • memory/3400-166-0x000001E618A60000-0x000001E618A61000-memory.dmp

        Filesize

        4KB

      • memory/3400-164-0x000001E618A60000-0x000001E618A61000-memory.dmp

        Filesize

        4KB

      • memory/3400-165-0x000001E618A60000-0x000001E618A61000-memory.dmp

        Filesize

        4KB

      • memory/5000-163-0x0000026C62670000-0x0000026C62671000-memory.dmp

        Filesize

        4KB

      • memory/5000-162-0x0000026C62560000-0x0000026C62561000-memory.dmp

        Filesize

        4KB

      • memory/5000-161-0x0000026C62560000-0x0000026C62561000-memory.dmp

        Filesize

        4KB

      • memory/5000-159-0x0000026C62530000-0x0000026C62531000-memory.dmp

        Filesize

        4KB

      • memory/5000-143-0x0000026C5A240000-0x0000026C5A250000-memory.dmp

        Filesize

        64KB

      • memory/5000-127-0x0000026C5A140000-0x0000026C5A150000-memory.dmp

        Filesize

        64KB