Analysis

  • max time kernel
    179s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:33

General

  • Target

    445d65acf59293f0881f4ca9632c28b29015cb2b2d6477dee7c36f0de7021fe4.exe

  • Size

    208KB

  • MD5

    3a8774927971752855530c6fc4721490

  • SHA1

    4035438ce0143cbc82d2e67e0af8f83239439726

  • SHA256

    445d65acf59293f0881f4ca9632c28b29015cb2b2d6477dee7c36f0de7021fe4

  • SHA512

    441450eb86a786ce8710c2710fe6b3d3453812c11ae4b84cb7c420ac075cdef33834f06736790992c33a4082edf2ca27daba09d94a2cb67b7556d8501e36b36b

  • 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\445d65acf59293f0881f4ca9632c28b29015cb2b2d6477dee7c36f0de7021fe4.exe
    "C:\Users\Admin\AppData\Local\Temp\445d65acf59293f0881f4ca9632c28b29015cb2b2d6477dee7c36f0de7021fe4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\445d65acf59293f0881f4ca9632c28b29015cb2b2d6477dee7c36f0de7021fe4.exe
      "C:\Users\Admin\AppData\Local\Temp\445d65acf59293f0881f4ca9632c28b29015cb2b2d6477dee7c36f0de7021fe4.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\SOCOW.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1400
        • 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:1564
      • 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:1852
        • 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:672
        • 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:924

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

    208KB

    MD5

    7e83b8c233d000447915f8f2cf5dc7c9

    SHA1

    913f03da5c2df4af65c7ba848a22967f6aa4fda8

    SHA256

    53833f2d6782a2cb673bcb0f61c6db0f031d580663399d3936a19292faad02de

    SHA512

    025ec86146584695c54a19dcacf7993de7dfb94d19609a9c36fbe7cf9c22147dac387d42ba685b4d89dd640b9c924e7353857c34edf3743581c49750935122a3

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

    208KB

    MD5

    7e83b8c233d000447915f8f2cf5dc7c9

    SHA1

    913f03da5c2df4af65c7ba848a22967f6aa4fda8

    SHA256

    53833f2d6782a2cb673bcb0f61c6db0f031d580663399d3936a19292faad02de

    SHA512

    025ec86146584695c54a19dcacf7993de7dfb94d19609a9c36fbe7cf9c22147dac387d42ba685b4d89dd640b9c924e7353857c34edf3743581c49750935122a3

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

    208KB

    MD5

    7e83b8c233d000447915f8f2cf5dc7c9

    SHA1

    913f03da5c2df4af65c7ba848a22967f6aa4fda8

    SHA256

    53833f2d6782a2cb673bcb0f61c6db0f031d580663399d3936a19292faad02de

    SHA512

    025ec86146584695c54a19dcacf7993de7dfb94d19609a9c36fbe7cf9c22147dac387d42ba685b4d89dd640b9c924e7353857c34edf3743581c49750935122a3

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

    208KB

    MD5

    7e83b8c233d000447915f8f2cf5dc7c9

    SHA1

    913f03da5c2df4af65c7ba848a22967f6aa4fda8

    SHA256

    53833f2d6782a2cb673bcb0f61c6db0f031d580663399d3936a19292faad02de

    SHA512

    025ec86146584695c54a19dcacf7993de7dfb94d19609a9c36fbe7cf9c22147dac387d42ba685b4d89dd640b9c924e7353857c34edf3743581c49750935122a3

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

    208KB

    MD5

    7e83b8c233d000447915f8f2cf5dc7c9

    SHA1

    913f03da5c2df4af65c7ba848a22967f6aa4fda8

    SHA256

    53833f2d6782a2cb673bcb0f61c6db0f031d580663399d3936a19292faad02de

    SHA512

    025ec86146584695c54a19dcacf7993de7dfb94d19609a9c36fbe7cf9c22147dac387d42ba685b4d89dd640b9c924e7353857c34edf3743581c49750935122a3

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

    208KB

    MD5

    7e83b8c233d000447915f8f2cf5dc7c9

    SHA1

    913f03da5c2df4af65c7ba848a22967f6aa4fda8

    SHA256

    53833f2d6782a2cb673bcb0f61c6db0f031d580663399d3936a19292faad02de

    SHA512

    025ec86146584695c54a19dcacf7993de7dfb94d19609a9c36fbe7cf9c22147dac387d42ba685b4d89dd640b9c924e7353857c34edf3743581c49750935122a3

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

    208KB

    MD5

    7e83b8c233d000447915f8f2cf5dc7c9

    SHA1

    913f03da5c2df4af65c7ba848a22967f6aa4fda8

    SHA256

    53833f2d6782a2cb673bcb0f61c6db0f031d580663399d3936a19292faad02de

    SHA512

    025ec86146584695c54a19dcacf7993de7dfb94d19609a9c36fbe7cf9c22147dac387d42ba685b4d89dd640b9c924e7353857c34edf3743581c49750935122a3

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

    208KB

    MD5

    7e83b8c233d000447915f8f2cf5dc7c9

    SHA1

    913f03da5c2df4af65c7ba848a22967f6aa4fda8

    SHA256

    53833f2d6782a2cb673bcb0f61c6db0f031d580663399d3936a19292faad02de

    SHA512

    025ec86146584695c54a19dcacf7993de7dfb94d19609a9c36fbe7cf9c22147dac387d42ba685b4d89dd640b9c924e7353857c34edf3743581c49750935122a3

  • memory/672-114-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/672-90-0x00000000004085D0-mapping.dmp
  • memory/672-111-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/924-109-0x0000000074B11000-0x0000000074B13000-memory.dmp
    Filesize

    8KB

  • memory/924-97-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/924-99-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/924-100-0x0000000000476940-mapping.dmp
  • memory/924-107-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/924-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/924-93-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/924-94-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/924-110-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/924-112-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1144-70-0x0000000075881000-0x0000000075883000-memory.dmp
    Filesize

    8KB

  • memory/1144-63-0x00000000004085D0-mapping.dmp
  • memory/1144-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1144-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1144-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1144-103-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1144-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1144-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1144-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1144-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1400-71-0x0000000000000000-mapping.dmp
  • memory/1564-73-0x0000000000000000-mapping.dmp
  • memory/1852-82-0x00000000008DD000-0x00000000008F2000-memory.dmp
    Filesize

    84KB

  • memory/1852-78-0x0000000000000000-mapping.dmp
  • memory/2044-56-0x00000000002ED000-0x0000000000303000-memory.dmp
    Filesize

    88KB