Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2023, 20:24

General

  • Target

    457bdc715b23ccb6da72828aad98306e2ab5f15063214ea8f43994637dd1d16d.exe

  • Size

    2.7MB

  • MD5

    7e239fd3c0d61ffb614c4466fc0b7ddd

  • SHA1

    e0351865b8c11d43ac4edcd9cfe0ddb1071fa955

  • SHA256

    457bdc715b23ccb6da72828aad98306e2ab5f15063214ea8f43994637dd1d16d

  • SHA512

    bf283c954cb727fd22ab9512b3f911a210c24b2ec0241e5f1a3167c250e75e77d0a485dab7ca339243a572f23f9f949c639a1b578281512b354e75d9c79b8c1b

  • SSDEEP

    49152:ITGkQ75QZuTtS0rQMYOQ+q8CEXTG4QrTGHQK9KFeMQ:IKk8WsM0r1QnAK4eKHZ0FeV

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
  • Delays execution with timeout.exe 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 56 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:420
    • 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:1248
      • C:\Users\Admin\AppData\Local\Temp\457bdc715b23ccb6da72828aad98306e2ab5f15063214ea8f43994637dd1d16d.exe
        "C:\Users\Admin\AppData\Local\Temp\457bdc715b23ccb6da72828aad98306e2ab5f15063214ea8f43994637dd1d16d.exe"
        2⤵
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\457bdc715b23ccb6da72828aad98306e2ab5f15063214ea8f43994637dd1d16d.exe"
          3⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:2520
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            4⤵
            • Delays execution with timeout.exe
            PID:2888
      • C:\ProgramData\dxdiag.exe
        "C:\ProgramData\dxdiag.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:2612
    • C:\Windows\Syswow64\64f5509f
      C:\Windows\Syswow64\64f5509f
      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:2132
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Windows\Syswow64\64f5509f"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1472
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:364

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\ProgramData\dxdiag.exe

            Filesize

            335KB

            MD5

            6c56354e720e5c2ac4ba1233d3bc6611

            SHA1

            0500ba7468b47ff355b9e4910802af372b35b20f

            SHA256

            9778e7100ffe0fd83339fb25fd18b0120e3c8abac529a7a748370fd57e953e4c

            SHA512

            e79b5ee3763b2d9abfa7276f90f3b8bdbd6c4d9049d8b63f850cfdcf5fbf27abd4afe7bab68ae8d7936815bcbbde29df66dd33ffcd86cf7339154b6fd3d352d4

          • C:\Users\Admin\AppData\Local\Temp\Cab7CCE.tmp

            Filesize

            61KB

            MD5

            f3441b8572aae8801c04f3060b550443

            SHA1

            4ef0a35436125d6821831ef36c28ffaf196cda15

            SHA256

            6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

            SHA512

            5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

          • C:\Windows\SysWOW64\64f5509f

            Filesize

            2.7MB

            MD5

            2b7c092dc7d21d143cc9c075c8a5fea0

            SHA1

            34a74cbf93f8bfafc2e4be6b57487e1244880a13

            SHA256

            33027a75da62fafe21728c4426ec754951452ff1ac06b0b07b80f8bb57129713

            SHA512

            66bfa6b2dc89bda9cff88aa7827daf6523453e0bd6ec164cba96dc61802147e5da61b5df00aa4dce9cb57766310aa485796f513bbde09e3e7d9ac401d265c3d4

          • C:\Windows\Syswow64\64f5509f

            Filesize

            2.7MB

            MD5

            2b7c092dc7d21d143cc9c075c8a5fea0

            SHA1

            34a74cbf93f8bfafc2e4be6b57487e1244880a13

            SHA256

            33027a75da62fafe21728c4426ec754951452ff1ac06b0b07b80f8bb57129713

            SHA512

            66bfa6b2dc89bda9cff88aa7827daf6523453e0bd6ec164cba96dc61802147e5da61b5df00aa4dce9cb57766310aa485796f513bbde09e3e7d9ac401d265c3d4

          • C:\Windows\Temp\Tar8153.tmp

            Filesize

            163KB

            MD5

            9441737383d21192400eca82fda910ec

            SHA1

            725e0d606a4fc9ba44aa8ffde65bed15e65367e4

            SHA256

            bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

            SHA512

            7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

          • \ProgramData\dxdiag.exe

            Filesize

            335KB

            MD5

            6c56354e720e5c2ac4ba1233d3bc6611

            SHA1

            0500ba7468b47ff355b9e4910802af372b35b20f

            SHA256

            9778e7100ffe0fd83339fb25fd18b0120e3c8abac529a7a748370fd57e953e4c

            SHA512

            e79b5ee3763b2d9abfa7276f90f3b8bdbd6c4d9049d8b63f850cfdcf5fbf27abd4afe7bab68ae8d7936815bcbbde29df66dd33ffcd86cf7339154b6fd3d352d4

          • memory/420-48-0x0000000000770000-0x0000000000798000-memory.dmp

            Filesize

            160KB

          • memory/420-46-0x0000000000760000-0x0000000000763000-memory.dmp

            Filesize

            12KB

          • memory/1248-150-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-144-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-168-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-26-0x0000000007140000-0x0000000007237000-memory.dmp

            Filesize

            988KB

          • memory/1248-166-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-164-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-162-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-160-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-125-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-158-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-131-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-24-0x0000000002AD0000-0x0000000002AD3000-memory.dmp

            Filesize

            12KB

          • memory/1248-133-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-136-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-23-0x0000000002AD0000-0x0000000002AD3000-memory.dmp

            Filesize

            12KB

          • memory/1248-79-0x0000000007140000-0x0000000007237000-memory.dmp

            Filesize

            988KB

          • memory/1248-21-0x0000000002AD0000-0x0000000002AD3000-memory.dmp

            Filesize

            12KB

          • memory/1248-138-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-156-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-140-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-154-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-152-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-129-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-148-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-146-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1248-142-0x0000000002A90000-0x0000000002A91000-memory.dmp

            Filesize

            4KB

          • memory/1700-49-0x0000000000210000-0x0000000000299000-memory.dmp

            Filesize

            548KB

          • memory/1700-25-0x0000000000210000-0x0000000000299000-memory.dmp

            Filesize

            548KB

          • memory/1700-0-0x0000000000210000-0x0000000000299000-memory.dmp

            Filesize

            548KB

          • memory/2132-27-0x0000000000F10000-0x0000000000F99000-memory.dmp

            Filesize

            548KB

          • memory/2132-3-0x0000000000F10000-0x0000000000F99000-memory.dmp

            Filesize

            548KB

          • memory/2132-97-0x0000000000F10000-0x0000000000F99000-memory.dmp

            Filesize

            548KB

          • memory/2132-56-0x0000000000F10000-0x0000000000F99000-memory.dmp

            Filesize

            548KB

          • memory/2612-43-0x00000000003E0000-0x00000000004AB000-memory.dmp

            Filesize

            812KB

          • memory/2612-128-0x0000000001E90000-0x0000000001E91000-memory.dmp

            Filesize

            4KB

          • memory/2612-126-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

            Filesize

            4KB

          • memory/2612-124-0x0000000001E80000-0x0000000001E81000-memory.dmp

            Filesize

            4KB

          • memory/2612-123-0x0000000001E80000-0x0000000001E81000-memory.dmp

            Filesize

            4KB

          • memory/2612-121-0x0000000003B90000-0x0000000003C30000-memory.dmp

            Filesize

            640KB

          • memory/2612-119-0x0000000003B90000-0x0000000003C30000-memory.dmp

            Filesize

            640KB

          • memory/2612-135-0x0000000001E80000-0x0000000001E90000-memory.dmp

            Filesize

            64KB

          • memory/2612-118-0x0000000003B90000-0x0000000003C30000-memory.dmp

            Filesize

            640KB

          • memory/2612-117-0x0000000003B90000-0x0000000003C30000-memory.dmp

            Filesize

            640KB

          • memory/2612-116-0x0000000001E90000-0x0000000001E9F000-memory.dmp

            Filesize

            60KB

          • memory/2612-115-0x0000000000770000-0x0000000000798000-memory.dmp

            Filesize

            160KB

          • memory/2612-114-0x0000000001E80000-0x0000000001E81000-memory.dmp

            Filesize

            4KB

          • memory/2612-113-0x0000000001E80000-0x0000000001E81000-memory.dmp

            Filesize

            4KB

          • memory/2612-112-0x0000000001E80000-0x0000000001E81000-memory.dmp

            Filesize

            4KB

          • memory/2612-111-0x00000000003E0000-0x00000000004AB000-memory.dmp

            Filesize

            812KB

          • memory/2612-110-0x0000000000770000-0x0000000000798000-memory.dmp

            Filesize

            160KB

          • memory/2612-108-0x0000000036EE0000-0x0000000036EF0000-memory.dmp

            Filesize

            64KB

          • memory/2612-96-0x00000000003E0000-0x00000000004AB000-memory.dmp

            Filesize

            812KB

          • memory/2612-44-0x000007FEBE840000-0x000007FEBE850000-memory.dmp

            Filesize

            64KB

          • memory/2612-42-0x00000000003E0000-0x00000000004AB000-memory.dmp

            Filesize

            812KB

          • memory/2612-40-0x00000000003E0000-0x00000000004AB000-memory.dmp

            Filesize

            812KB

          • memory/2612-31-0x0000000000060000-0x0000000000123000-memory.dmp

            Filesize

            780KB

          • memory/2612-33-0x0000000000130000-0x0000000000131000-memory.dmp

            Filesize

            4KB

          • memory/2612-36-0x0000000000160000-0x0000000000163000-memory.dmp

            Filesize

            12KB

          • memory/2612-262-0x0000000001E80000-0x0000000001E81000-memory.dmp

            Filesize

            4KB

          • memory/2612-263-0x0000000001E90000-0x0000000001E9F000-memory.dmp

            Filesize

            60KB

          • memory/2612-264-0x0000000003B90000-0x0000000003C30000-memory.dmp

            Filesize

            640KB