Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 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 13 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:424
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Users\Admin\AppData\Local\Temp\cf0f3550fc8e22e1754eda45c883125f34159b26ddafb8649fd4d7876a82328d.exe
        "C:\Users\Admin\AppData\Local\Temp\cf0f3550fc8e22e1754eda45c883125f34159b26ddafb8649fd4d7876a82328d.exe"
        2⤵
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2216
        • 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⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:2332
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            4⤵
            • Delays execution with timeout.exe
            PID:1304
      • C:\ProgramData\Microsoft\wermgr.exe
        "C:\ProgramData\Microsoft\wermgr.exe"
        2⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2768
    • C:\Windows\Syswow64\95414f17
      C:\Windows\Syswow64\95414f17
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2440
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Windows\Syswow64\95414f17"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Microsoft\wermgr.exe

      Filesize

      49KB

      MD5

      41df7355a5a907e2c1d7804ec028965d

      SHA1

      453263d230c6317eb4a2eb3aceeec1bbcf5e153d

      SHA256

      207bfec939e7c017c4704ba76172ee2c954f485ba593bc1bc8c7666e78251861

      SHA512

      59c9d69d3942543af4f387137226516adec1a4304bd5696c6c1d338f9e5f40d136450907351cce018563df1358e06a792005167f5c08c689df32d809c4cebdcf

    • C:\Users\Admin\AppData\Local\Temp\Cab5F5F.tmp

      Filesize

      61KB

      MD5

      f3441b8572aae8801c04f3060b550443

      SHA1

      4ef0a35436125d6821831ef36c28ffaf196cda15

      SHA256

      6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

      SHA512

      5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

    • C:\Windows\SysWOW64\95414f17

      Filesize

      2.9MB

      MD5

      72884f4306987883eabd632666811f35

      SHA1

      1c341e06c2217e7ebae5ee77494653013f9a27fa

      SHA256

      17c1e99240eabe71fa54ea701b7d561df06314ea5976aa40433bc9b7ba015f3c

      SHA512

      17a9ce1ffa0fc8007b065d897ef15f9fae326850abefd61de00474150da9f69a17c977c3a2cd34ba11fc0252793e4a41507582a635c0f716c2c20f9e472e88ef

    • C:\Windows\Syswow64\95414f17

      Filesize

      2.9MB

      MD5

      72884f4306987883eabd632666811f35

      SHA1

      1c341e06c2217e7ebae5ee77494653013f9a27fa

      SHA256

      17c1e99240eabe71fa54ea701b7d561df06314ea5976aa40433bc9b7ba015f3c

      SHA512

      17a9ce1ffa0fc8007b065d897ef15f9fae326850abefd61de00474150da9f69a17c977c3a2cd34ba11fc0252793e4a41507582a635c0f716c2c20f9e472e88ef

    • C:\Windows\Temp\Tar6710.tmp

      Filesize

      163KB

      MD5

      9441737383d21192400eca82fda910ec

      SHA1

      725e0d606a4fc9ba44aa8ffde65bed15e65367e4

      SHA256

      bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

      SHA512

      7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

    • \ProgramData\Microsoft\wermgr.exe

      Filesize

      49KB

      MD5

      41df7355a5a907e2c1d7804ec028965d

      SHA1

      453263d230c6317eb4a2eb3aceeec1bbcf5e153d

      SHA256

      207bfec939e7c017c4704ba76172ee2c954f485ba593bc1bc8c7666e78251861

      SHA512

      59c9d69d3942543af4f387137226516adec1a4304bd5696c6c1d338f9e5f40d136450907351cce018563df1358e06a792005167f5c08c689df32d809c4cebdcf

    • memory/424-48-0x0000000000990000-0x00000000009B8000-memory.dmp

      Filesize

      160KB

    • memory/424-46-0x0000000000340000-0x0000000000343000-memory.dmp

      Filesize

      12KB

    • memory/1256-167-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-151-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-26-0x0000000006CD0000-0x0000000006DC7000-memory.dmp

      Filesize

      988KB

    • memory/1256-221-0x000007FEF5EB0000-0x000007FEF5FF3000-memory.dmp

      Filesize

      1.3MB

    • memory/1256-220-0x000007FF03600000-0x000007FF0360A000-memory.dmp

      Filesize

      40KB

    • memory/1256-219-0x000007FEF5EB0000-0x000007FEF5FF3000-memory.dmp

      Filesize

      1.3MB

    • memory/1256-143-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-127-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-129-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-25-0x0000000006CD0000-0x0000000006DC7000-memory.dmp

      Filesize

      988KB

    • memory/1256-24-0x0000000002B50000-0x0000000002B53000-memory.dmp

      Filesize

      12KB

    • memory/1256-139-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-57-0x0000000006CD0000-0x0000000006DC7000-memory.dmp

      Filesize

      988KB

    • memory/1256-23-0x0000000002B50000-0x0000000002B53000-memory.dmp

      Filesize

      12KB

    • memory/1256-147-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-21-0x0000000002B50000-0x0000000002B53000-memory.dmp

      Filesize

      12KB

    • memory/1256-149-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-141-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-153-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-155-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-157-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-159-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-161-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-163-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-165-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-137-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-131-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-133-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-145-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/1256-135-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/2216-0-0x0000000001380000-0x0000000001409000-memory.dmp

      Filesize

      548KB

    • memory/2216-49-0x0000000001380000-0x0000000001409000-memory.dmp

      Filesize

      548KB

    • memory/2216-39-0x0000000001380000-0x0000000001409000-memory.dmp

      Filesize

      548KB

    • memory/2440-79-0x0000000000840000-0x00000000008C9000-memory.dmp

      Filesize

      548KB

    • memory/2440-3-0x0000000000840000-0x00000000008C9000-memory.dmp

      Filesize

      548KB

    • memory/2440-44-0x0000000000840000-0x00000000008C9000-memory.dmp

      Filesize

      548KB

    • memory/2440-96-0x0000000000840000-0x00000000008C9000-memory.dmp

      Filesize

      548KB

    • memory/2768-118-0x00000000029D0000-0x0000000002A70000-memory.dmp

      Filesize

      640KB

    • memory/2768-120-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB

    • memory/2768-122-0x0000000000650000-0x0000000000651000-memory.dmp

      Filesize

      4KB

    • memory/2768-125-0x00000000029D0000-0x0000000002A70000-memory.dmp

      Filesize

      640KB

    • memory/2768-117-0x00000000029D0000-0x0000000002A70000-memory.dmp

      Filesize

      640KB

    • memory/2768-116-0x00000000029D0000-0x0000000002A70000-memory.dmp

      Filesize

      640KB

    • memory/2768-115-0x0000000000660000-0x000000000066F000-memory.dmp

      Filesize

      60KB

    • memory/2768-114-0x0000000000650000-0x0000000000651000-memory.dmp

      Filesize

      4KB

    • memory/2768-112-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB

    • memory/2768-113-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB

    • memory/2768-111-0x0000000000650000-0x0000000000651000-memory.dmp

      Filesize

      4KB

    • memory/2768-121-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB

    • memory/2768-109-0x0000000000990000-0x00000000009B8000-memory.dmp

      Filesize

      160KB

    • memory/2768-108-0x0000000001DC0000-0x0000000001E8B000-memory.dmp

      Filesize

      812KB

    • memory/2768-106-0x0000000037A40000-0x0000000037A50000-memory.dmp

      Filesize

      64KB

    • memory/2768-119-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB

    • memory/2768-35-0x00000000001E0000-0x00000000001E3000-memory.dmp

      Filesize

      12KB

    • memory/2768-124-0x0000000000660000-0x000000000066F000-memory.dmp

      Filesize

      60KB

    • memory/2768-43-0x000007FEBF080000-0x000007FEBF090000-memory.dmp

      Filesize

      64KB

    • memory/2768-218-0x0000000000650000-0x0000000000651000-memory.dmp

      Filesize

      4KB

    • memory/2768-41-0x0000000001DC0000-0x0000000001E8B000-memory.dmp

      Filesize

      812KB

    • memory/2768-30-0x0000000000060000-0x0000000000123000-memory.dmp

      Filesize

      780KB

    • memory/2768-32-0x00000000001B0000-0x00000000001B1000-memory.dmp

      Filesize

      4KB