Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2023, 06:23

General

  • Target

    7a16eab1a33c180123fc460f88003b5724b76367fafe57bf67304e30c4f15ec1.exe

  • Size

    271KB

  • MD5

    3f09ffedc72407fd97d74d2f72f0a632

  • SHA1

    93fbef69ff05a1b785668ca5dd4a79dd659124b2

  • SHA256

    7a16eab1a33c180123fc460f88003b5724b76367fafe57bf67304e30c4f15ec1

  • SHA512

    fee971b70bcfb16fdf3af5c13cb00609f506aeb1ac3fd10778eaa3302dae2a50d390e455e8755c495977f9ba2720d793321562806cf70949df80638856eb0a90

  • SSDEEP

    6144:3l51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:ZqXUHkUXe39sOkx2LIa

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 Program Files directory 2 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 6 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:420
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\7a16eab1a33c180123fc460f88003b5724b76367fafe57bf67304e30c4f15ec1.exe
        "C:\Users\Admin\AppData\Local\Temp\7a16eab1a33c180123fc460f88003b5724b76367fafe57bf67304e30c4f15ec1.exe"
        2⤵
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2200
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\7a16eab1a33c180123fc460f88003b5724b76367fafe57bf67304e30c4f15ec1.exe"
          3⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            4⤵
            • Delays execution with timeout.exe
            PID:2372
      • C:\Program Files\bitsadmin.exe
        "C:\Program Files\bitsadmin.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:1748
    • C:\Windows\Syswow64\ec2d0987
      C:\Windows\Syswow64\ec2d0987
      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:3056
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Windows\Syswow64\ec2d0987"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2496
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:580

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files\bitsadmin.exe

            Filesize

            227KB

            MD5

            dc81872e3e6bca39b322a7fa1a044040

            SHA1

            79f880e63e5640353451aa0a3e67cb4912c7d070

            SHA256

            2990813e869a0a5c7706938a8136bca09046623a8225b24b54f76ac4126efbb0

            SHA512

            57a17125acf4b39d111d293a80b70c6c770a996015e13dd120b9b40e2069127c51df4403b837b71bb06977cf95dfc270dbd643be4d95fa0581763fd2a408ce82

          • C:\Users\Admin\AppData\Local\Temp\CabA959.tmp

            Filesize

            61KB

            MD5

            f3441b8572aae8801c04f3060b550443

            SHA1

            4ef0a35436125d6821831ef36c28ffaf196cda15

            SHA256

            6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

            SHA512

            5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

          • C:\Windows\SysWOW64\ec2d0987

            Filesize

            271KB

            MD5

            035b3126ec16837489e35bd6b0712524

            SHA1

            45649aa8c9f3c51041a0c4d31cf3c634d24ed068

            SHA256

            e3c3f4a24ab93528ea8f618727822ed17609752d86f2e973fc695ce7a0c8fd52

            SHA512

            b672f0dece56832417768e1ffb0986db58530ccbc1282623f9aea29d23c7dcfd1b1dc51a333cb6fc071d87596e9d285d2a42ed85fcbf9d056ae55137922e074f

          • C:\Windows\Syswow64\ec2d0987

            Filesize

            271KB

            MD5

            035b3126ec16837489e35bd6b0712524

            SHA1

            45649aa8c9f3c51041a0c4d31cf3c634d24ed068

            SHA256

            e3c3f4a24ab93528ea8f618727822ed17609752d86f2e973fc695ce7a0c8fd52

            SHA512

            b672f0dece56832417768e1ffb0986db58530ccbc1282623f9aea29d23c7dcfd1b1dc51a333cb6fc071d87596e9d285d2a42ed85fcbf9d056ae55137922e074f

          • C:\Windows\Temp\TarAAA4.tmp

            Filesize

            163KB

            MD5

            9441737383d21192400eca82fda910ec

            SHA1

            725e0d606a4fc9ba44aa8ffde65bed15e65367e4

            SHA256

            bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

            SHA512

            7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

          • \Program Files\bitsadmin.exe

            Filesize

            227KB

            MD5

            dc81872e3e6bca39b322a7fa1a044040

            SHA1

            79f880e63e5640353451aa0a3e67cb4912c7d070

            SHA256

            2990813e869a0a5c7706938a8136bca09046623a8225b24b54f76ac4126efbb0

            SHA512

            57a17125acf4b39d111d293a80b70c6c770a996015e13dd120b9b40e2069127c51df4403b837b71bb06977cf95dfc270dbd643be4d95fa0581763fd2a408ce82

          • memory/420-70-0x0000000000870000-0x0000000000898000-memory.dmp

            Filesize

            160KB

          • memory/420-50-0x0000000000870000-0x0000000000898000-memory.dmp

            Filesize

            160KB

          • memory/420-48-0x00000000007E0000-0x00000000007E3000-memory.dmp

            Filesize

            12KB

          • memory/1204-134-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-158-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-172-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-173-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-170-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-171-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-168-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-169-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-166-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-167-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-165-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-26-0x0000000006310000-0x0000000006407000-memory.dmp

            Filesize

            988KB

          • memory/1204-164-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-24-0x0000000002A00000-0x0000000002A03000-memory.dmp

            Filesize

            12KB

          • memory/1204-23-0x0000000002A00000-0x0000000002A03000-memory.dmp

            Filesize

            12KB

          • memory/1204-21-0x0000000002A00000-0x0000000002A03000-memory.dmp

            Filesize

            12KB

          • memory/1204-162-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-163-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-113-0x0000000006310000-0x0000000006407000-memory.dmp

            Filesize

            988KB

          • memory/1204-161-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-135-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-138-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-159-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-142-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-157-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-156-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-155-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-154-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-153-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-152-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-150-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-151-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-149-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-147-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-132-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-148-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-145-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-146-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-144-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-143-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-160-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-137-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-139-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-140-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1204-141-0x0000000002A20000-0x0000000002A21000-memory.dmp

            Filesize

            4KB

          • memory/1748-116-0x0000000001CA0000-0x0000000001D6B000-memory.dmp

            Filesize

            812KB

          • memory/1748-118-0x0000000001CA0000-0x0000000001D6B000-memory.dmp

            Filesize

            812KB

          • memory/1748-37-0x0000000000160000-0x0000000000163000-memory.dmp

            Filesize

            12KB

          • memory/1748-131-0x00000000037C0000-0x0000000003860000-memory.dmp

            Filesize

            640KB

          • memory/1748-133-0x0000000001E90000-0x0000000001E91000-memory.dmp

            Filesize

            4KB

          • memory/1748-186-0x0000000001E00000-0x0000000001E01000-memory.dmp

            Filesize

            4KB

          • memory/1748-129-0x0000000001EA0000-0x0000000001EAF000-memory.dmp

            Filesize

            60KB

          • memory/1748-128-0x0000000001E00000-0x0000000001E01000-memory.dmp

            Filesize

            4KB

          • memory/1748-127-0x00000000037C0000-0x0000000003860000-memory.dmp

            Filesize

            640KB

          • memory/1748-126-0x00000000037C0000-0x0000000003860000-memory.dmp

            Filesize

            640KB

          • memory/1748-125-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

            Filesize

            4KB

          • memory/1748-136-0x0000000001E00000-0x0000000001E10000-memory.dmp

            Filesize

            64KB

          • memory/1748-123-0x0000000000870000-0x0000000000898000-memory.dmp

            Filesize

            160KB

          • memory/1748-122-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

            Filesize

            4KB

          • memory/1748-121-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

            Filesize

            4KB

          • memory/1748-120-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

            Filesize

            4KB

          • memory/1748-119-0x0000000001E90000-0x0000000001E91000-memory.dmp

            Filesize

            4KB

          • memory/1748-124-0x0000000001EA0000-0x0000000001EAF000-memory.dmp

            Filesize

            60KB

          • memory/1748-117-0x0000000000870000-0x0000000000898000-memory.dmp

            Filesize

            160KB

          • memory/1748-114-0x0000000037C50000-0x0000000037C60000-memory.dmp

            Filesize

            64KB

          • memory/1748-185-0x00000000037C0000-0x0000000003860000-memory.dmp

            Filesize

            640KB

          • memory/1748-32-0x0000000000130000-0x0000000000131000-memory.dmp

            Filesize

            4KB

          • memory/1748-42-0x0000000001CA0000-0x0000000001D6B000-memory.dmp

            Filesize

            812KB

          • memory/1748-30-0x0000000000060000-0x0000000000123000-memory.dmp

            Filesize

            780KB

          • memory/1748-41-0x0000000001CA0000-0x0000000001D6B000-memory.dmp

            Filesize

            812KB

          • memory/1748-46-0x0000000001CA0000-0x0000000001D6B000-memory.dmp

            Filesize

            812KB

          • memory/1748-45-0x000007FEBF1E0000-0x000007FEBF1F0000-memory.dmp

            Filesize

            64KB

          • memory/2200-49-0x0000000000CC0000-0x0000000000D49000-memory.dmp

            Filesize

            548KB

          • memory/2200-40-0x0000000000CC0000-0x0000000000D49000-memory.dmp

            Filesize

            548KB

          • memory/2200-0-0x0000000000CC0000-0x0000000000D49000-memory.dmp

            Filesize

            548KB

          • memory/3056-44-0x0000000000A60000-0x0000000000AE9000-memory.dmp

            Filesize

            548KB

          • memory/3056-53-0x0000000000A60000-0x0000000000AE9000-memory.dmp

            Filesize

            548KB

          • memory/3056-102-0x0000000000A60000-0x0000000000AE9000-memory.dmp

            Filesize

            548KB

          • memory/3056-3-0x0000000000A60000-0x0000000000AE9000-memory.dmp

            Filesize

            548KB