Analysis

  • max time kernel
    149s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:32

General

  • Target

    bda62cd70d9ea65a973dfbf8525aa0024edd8fa6d633abf9c7149811b88c631c.exe

  • Size

    208KB

  • MD5

    4b67b004f28fc8341542fb93ac610b60

  • SHA1

    98165ecd761e4916732599715cd5cb049d96c25f

  • SHA256

    bda62cd70d9ea65a973dfbf8525aa0024edd8fa6d633abf9c7149811b88c631c

  • SHA512

    5d600454f793f7138bb38358a55893135682c6540a44fecd43abe8cb9691ec121f749bd6ebe23377687cff7a5a86250d4a4b5d64edb0613b9c7b50167782960d

  • SSDEEP

    1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 16 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bda62cd70d9ea65a973dfbf8525aa0024edd8fa6d633abf9c7149811b88c631c.exe
    "C:\Users\Admin\AppData\Local\Temp\bda62cd70d9ea65a973dfbf8525aa0024edd8fa6d633abf9c7149811b88c631c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Users\Admin\AppData\Local\Temp\bda62cd70d9ea65a973dfbf8525aa0024edd8fa6d633abf9c7149811b88c631c.exe
      "C:\Users\Admin\AppData\Local\Temp\bda62cd70d9ea65a973dfbf8525aa0024edd8fa6d633abf9c7149811b88c631c.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\PTFGD.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svhust" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe" /f
          4⤵
          • Adds Run key to start application
          PID:764
      • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
        "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1384
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          PID:2008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\PTFGD.bat
    Filesize

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6475edcc6b06a3c5ae245928085a1421

    SHA1

    e6976d93866b7ee2626f6adbb49a6dfd3fcafc86

    SHA256

    4acc14e7898895c8c2cac39935f67330612ac446906bb28b85f62a1512f55309

    SHA512

    ed8d06f536c79e98564cd83a8b630a4cd496c73b4ae66ad87243794f1f3925e5cb22de17b2713d158d938ef4c0a66baff68b5904cdd3ec086563683b4ff04d5f

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6475edcc6b06a3c5ae245928085a1421

    SHA1

    e6976d93866b7ee2626f6adbb49a6dfd3fcafc86

    SHA256

    4acc14e7898895c8c2cac39935f67330612ac446906bb28b85f62a1512f55309

    SHA512

    ed8d06f536c79e98564cd83a8b630a4cd496c73b4ae66ad87243794f1f3925e5cb22de17b2713d158d938ef4c0a66baff68b5904cdd3ec086563683b4ff04d5f

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6475edcc6b06a3c5ae245928085a1421

    SHA1

    e6976d93866b7ee2626f6adbb49a6dfd3fcafc86

    SHA256

    4acc14e7898895c8c2cac39935f67330612ac446906bb28b85f62a1512f55309

    SHA512

    ed8d06f536c79e98564cd83a8b630a4cd496c73b4ae66ad87243794f1f3925e5cb22de17b2713d158d938ef4c0a66baff68b5904cdd3ec086563683b4ff04d5f

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6475edcc6b06a3c5ae245928085a1421

    SHA1

    e6976d93866b7ee2626f6adbb49a6dfd3fcafc86

    SHA256

    4acc14e7898895c8c2cac39935f67330612ac446906bb28b85f62a1512f55309

    SHA512

    ed8d06f536c79e98564cd83a8b630a4cd496c73b4ae66ad87243794f1f3925e5cb22de17b2713d158d938ef4c0a66baff68b5904cdd3ec086563683b4ff04d5f

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6475edcc6b06a3c5ae245928085a1421

    SHA1

    e6976d93866b7ee2626f6adbb49a6dfd3fcafc86

    SHA256

    4acc14e7898895c8c2cac39935f67330612ac446906bb28b85f62a1512f55309

    SHA512

    ed8d06f536c79e98564cd83a8b630a4cd496c73b4ae66ad87243794f1f3925e5cb22de17b2713d158d938ef4c0a66baff68b5904cdd3ec086563683b4ff04d5f

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6475edcc6b06a3c5ae245928085a1421

    SHA1

    e6976d93866b7ee2626f6adbb49a6dfd3fcafc86

    SHA256

    4acc14e7898895c8c2cac39935f67330612ac446906bb28b85f62a1512f55309

    SHA512

    ed8d06f536c79e98564cd83a8b630a4cd496c73b4ae66ad87243794f1f3925e5cb22de17b2713d158d938ef4c0a66baff68b5904cdd3ec086563683b4ff04d5f

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6475edcc6b06a3c5ae245928085a1421

    SHA1

    e6976d93866b7ee2626f6adbb49a6dfd3fcafc86

    SHA256

    4acc14e7898895c8c2cac39935f67330612ac446906bb28b85f62a1512f55309

    SHA512

    ed8d06f536c79e98564cd83a8b630a4cd496c73b4ae66ad87243794f1f3925e5cb22de17b2713d158d938ef4c0a66baff68b5904cdd3ec086563683b4ff04d5f

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6475edcc6b06a3c5ae245928085a1421

    SHA1

    e6976d93866b7ee2626f6adbb49a6dfd3fcafc86

    SHA256

    4acc14e7898895c8c2cac39935f67330612ac446906bb28b85f62a1512f55309

    SHA512

    ed8d06f536c79e98564cd83a8b630a4cd496c73b4ae66ad87243794f1f3925e5cb22de17b2713d158d938ef4c0a66baff68b5904cdd3ec086563683b4ff04d5f

  • memory/320-82-0x00000000005FD000-0x0000000000612000-memory.dmp
    Filesize

    84KB

  • memory/320-78-0x0000000000000000-mapping.dmp
  • memory/764-73-0x0000000000000000-mapping.dmp
  • memory/1080-70-0x00000000762E1000-0x00000000762E3000-memory.dmp
    Filesize

    8KB

  • memory/1080-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1080-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1080-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1080-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1080-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1080-63-0x00000000004085D0-mapping.dmp
  • memory/1080-104-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1080-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1080-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1284-56-0x000000000053D000-0x0000000000553000-memory.dmp
    Filesize

    88KB

  • memory/1384-90-0x00000000004085D0-mapping.dmp
  • memory/1384-114-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1384-111-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1720-71-0x0000000000000000-mapping.dmp
  • memory/2008-98-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/2008-101-0x0000000000476940-mapping.dmp
  • memory/2008-99-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/2008-107-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/2008-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/2008-109-0x0000000074E41000-0x0000000074E43000-memory.dmp
    Filesize

    8KB

  • memory/2008-110-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/2008-95-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/2008-113-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/2008-93-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB