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
    03/09/2023, 14:34

General

  • Target

    f14569088c650abd3d79f0489e148d4f3b0dca3dadfac841808dacdcf0c6cb10.exe

  • Size

    280KB

  • MD5

    61d5af8062275bfd4213106f731437d2

  • SHA1

    777b0c4202ae6a7c72129204d69963407c178094

  • SHA256

    f14569088c650abd3d79f0489e148d4f3b0dca3dadfac841808dacdcf0c6cb10

  • SHA512

    077f441d30b23e91c3d3c886ea6b506986f6608dcfbec26416908f6ef2a3fa22ea85ebdf7bdd26901fae89341d2a870c34029ee069568b5b60bce288ea94e36b

  • SSDEEP

    6144:yXSQ8BCMis1TMrRQwy7eIeCDbFcEOkCybEaQRXr9HNdvOa:yXv8BCLocRZy7eIeyb1Okx2LIa

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 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 13 IoCs
  • Drops file in Windows directory 3 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 Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Users\Admin\AppData\Local\Temp\f14569088c650abd3d79f0489e148d4f3b0dca3dadfac841808dacdcf0c6cb10.exe
        "C:\Users\Admin\AppData\Local\Temp\f14569088c650abd3d79f0489e148d4f3b0dca3dadfac841808dacdcf0c6cb10.exe"
        2⤵
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\f14569088c650abd3d79f0489e148d4f3b0dca3dadfac841808dacdcf0c6cb10.exe"
          3⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:2996
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            4⤵
            • Delays execution with timeout.exe
            PID:1960
      • C:\Windows\Help\spreview.exe
        "C:\Windows\Help\spreview.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:2304
    • C:\Windows\Syswow64\c0fc67d0
      C:\Windows\Syswow64\c0fc67d0
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2116
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Windows\Syswow64\c0fc67d0"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2704
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:2484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Tar6681.tmp

      Filesize

      163KB

      MD5

      9441737383d21192400eca82fda910ec

      SHA1

      725e0d606a4fc9ba44aa8ffde65bed15e65367e4

      SHA256

      bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

      SHA512

      7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

    • C:\Windows\Help\spreview.exe

      Filesize

      294KB

      MD5

      704cd4cac010e8e6d8de9b778ed17773

      SHA1

      81856abf70640f102b8b3defe2cf65669fe8e165

      SHA256

      4307f21d3ec3b51cba6a905a80045314ffccb4c60c11d99a3d77cc8103014208

      SHA512

      b380264276bad01d619a5f1f112791d6bf73dc52cdd5cca0cc1f726a6f66eefc5a78a37646792987c508f9cb5049f0eb86c71fb4c7a2d3e670c0c8623f0522ee

    • C:\Windows\SysWOW64\c0fc67d0

      Filesize

      280KB

      MD5

      cc04604bafd654d6c2bd85ed406129fa

      SHA1

      1ceef7dc19349cb2ccc1dc79d8168e8bc8d71857

      SHA256

      e6b77eeb531fe5a0e36e597ef295811cf16d90fbe1437d3a508dfd1568bb3a61

      SHA512

      293599f409efd1a700daca24115b1596d8fa13f6bf425db9210eb873ff913abcfebfd9a3e930c364c93f0a807e8729502ff745fbd8dde4794d730906aa5b677e

    • C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

      Filesize

      61KB

      MD5

      f3441b8572aae8801c04f3060b550443

      SHA1

      4ef0a35436125d6821831ef36c28ffaf196cda15

      SHA256

      6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

      SHA512

      5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

    • C:\Windows\Syswow64\c0fc67d0

      Filesize

      280KB

      MD5

      cc04604bafd654d6c2bd85ed406129fa

      SHA1

      1ceef7dc19349cb2ccc1dc79d8168e8bc8d71857

      SHA256

      e6b77eeb531fe5a0e36e597ef295811cf16d90fbe1437d3a508dfd1568bb3a61

      SHA512

      293599f409efd1a700daca24115b1596d8fa13f6bf425db9210eb873ff913abcfebfd9a3e930c364c93f0a807e8729502ff745fbd8dde4794d730906aa5b677e

    • \Windows\Help\spreview.exe

      Filesize

      294KB

      MD5

      704cd4cac010e8e6d8de9b778ed17773

      SHA1

      81856abf70640f102b8b3defe2cf65669fe8e165

      SHA256

      4307f21d3ec3b51cba6a905a80045314ffccb4c60c11d99a3d77cc8103014208

      SHA512

      b380264276bad01d619a5f1f112791d6bf73dc52cdd5cca0cc1f726a6f66eefc5a78a37646792987c508f9cb5049f0eb86c71fb4c7a2d3e670c0c8623f0522ee

    • memory/420-47-0x0000000000870000-0x0000000000898000-memory.dmp

      Filesize

      160KB

    • memory/420-45-0x0000000000860000-0x0000000000863000-memory.dmp

      Filesize

      12KB

    • memory/1268-122-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-151-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-256-0x000007FE7C7D0000-0x000007FE7C7DA000-memory.dmp

      Filesize

      40KB

    • memory/1268-255-0x000007FEF5C80000-0x000007FEF5DC3000-memory.dmp

      Filesize

      1.3MB

    • memory/1268-20-0x0000000006B40000-0x0000000006C37000-memory.dmp

      Filesize

      988KB

    • memory/1268-188-0x000007FE7C7D0000-0x000007FE7C7DA000-memory.dmp

      Filesize

      40KB

    • memory/1268-187-0x000007FEF5C80000-0x000007FEF5DC3000-memory.dmp

      Filesize

      1.3MB

    • memory/1268-160-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-142-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-158-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-141-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-18-0x0000000002980000-0x0000000002983000-memory.dmp

      Filesize

      12KB

    • memory/1268-19-0x0000000006B40000-0x0000000006C37000-memory.dmp

      Filesize

      988KB

    • memory/1268-140-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-55-0x0000000006B40000-0x0000000006C37000-memory.dmp

      Filesize

      988KB

    • memory/1268-17-0x0000000002980000-0x0000000002983000-memory.dmp

      Filesize

      12KB

    • memory/1268-16-0x0000000002980000-0x0000000002983000-memory.dmp

      Filesize

      12KB

    • memory/1268-139-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-138-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-159-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-125-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-157-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-156-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-155-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-154-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-153-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-152-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-143-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-126-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-127-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-149-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-148-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-120-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-147-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-121-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-137-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-123-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-124-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-146-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-145-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-150-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-144-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-130-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-129-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-131-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-132-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-133-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-134-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-135-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/1268-136-0x0000000002A80000-0x0000000002A81000-memory.dmp

      Filesize

      4KB

    • memory/2116-3-0x0000000001380000-0x000000000140E000-memory.dmp

      Filesize

      568KB

    • memory/2116-93-0x0000000001380000-0x000000000140E000-memory.dmp

      Filesize

      568KB

    • memory/2116-43-0x0000000001380000-0x000000000140E000-memory.dmp

      Filesize

      568KB

    • memory/2192-0-0x0000000000F60000-0x0000000000FEE000-memory.dmp

      Filesize

      568KB

    • memory/2192-48-0x0000000000F60000-0x0000000000FEE000-memory.dmp

      Filesize

      568KB

    • memory/2192-40-0x0000000000F60000-0x0000000000FEE000-memory.dmp

      Filesize

      568KB

    • memory/2304-105-0x0000000037810000-0x0000000037820000-memory.dmp

      Filesize

      64KB

    • memory/2304-128-0x0000000001F10000-0x0000000001F20000-memory.dmp

      Filesize

      64KB

    • memory/2304-114-0x0000000001EF0000-0x0000000001EFF000-memory.dmp

      Filesize

      60KB

    • memory/2304-32-0x0000000000090000-0x0000000000093000-memory.dmp

      Filesize

      12KB

    • memory/2304-119-0x0000000001EE0000-0x0000000001EE5000-memory.dmp

      Filesize

      20KB

    • memory/2304-118-0x0000000003A70000-0x0000000003B10000-memory.dmp

      Filesize

      640KB

    • memory/2304-116-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

      Filesize

      4KB

    • memory/2304-115-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

      Filesize

      4KB

    • memory/2304-113-0x0000000003A70000-0x0000000003B10000-memory.dmp

      Filesize

      640KB

    • memory/2304-112-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

      Filesize

      4KB

    • memory/2304-111-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

      Filesize

      4KB

    • memory/2304-110-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

      Filesize

      4KB

    • memory/2304-109-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

      Filesize

      4KB

    • memory/2304-108-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

      Filesize

      4KB

    • memory/2304-107-0x0000000000870000-0x0000000000898000-memory.dmp

      Filesize

      160KB

    • memory/2304-95-0x0000000001D10000-0x0000000001DDB000-memory.dmp

      Filesize

      812KB

    • memory/2304-42-0x0000000001D10000-0x0000000001DDB000-memory.dmp

      Filesize

      812KB

    • memory/2304-41-0x000007FEBF380000-0x000007FEBF390000-memory.dmp

      Filesize

      64KB

    • memory/2304-186-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

      Filesize

      4KB

    • memory/2304-36-0x0000000000090000-0x0000000000093000-memory.dmp

      Filesize

      12KB

    • memory/2304-38-0x0000000001D10000-0x0000000001DDB000-memory.dmp

      Filesize

      812KB

    • memory/2304-24-0x0000000000150000-0x0000000000213000-memory.dmp

      Filesize

      780KB

    • memory/2304-26-0x0000000000060000-0x0000000000061000-memory.dmp

      Filesize

      4KB