Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:32

General

  • Target

    927120183cda5bb597632a67c9a6ef718458aa3c8e6244ca0540e1e84ea99cb0.exe

  • Size

    208KB

  • MD5

    a478f42505f950c7a715fbd49075fbe0

  • SHA1

    6e42165ab9da53bda02f405aa78221ec7d4dffc4

  • SHA256

    927120183cda5bb597632a67c9a6ef718458aa3c8e6244ca0540e1e84ea99cb0

  • SHA512

    e969877a0c6bd8e997061e9c0eebf8dd4ccf9c23bc397cdb53a74323b1f6f39527df0c62c8184b14ae5a7ef2dc9de29ee26eeb34f35f65d1208b4fe2907d6c85

  • 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\927120183cda5bb597632a67c9a6ef718458aa3c8e6244ca0540e1e84ea99cb0.exe
    "C:\Users\Admin\AppData\Local\Temp\927120183cda5bb597632a67c9a6ef718458aa3c8e6244ca0540e1e84ea99cb0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Users\Admin\AppData\Local\Temp\927120183cda5bb597632a67c9a6ef718458aa3c8e6244ca0540e1e84ea99cb0.exe
      "C:\Users\Admin\AppData\Local\Temp\927120183cda5bb597632a67c9a6ef718458aa3c8e6244ca0540e1e84ea99cb0.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HUTGO.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1348
        • 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:1740
      • 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:952
        • 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:764
        • 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:1260

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

    208KB

    MD5

    830c7ed8058194bcae4a77e43625c6b0

    SHA1

    cfb076d0ee93b0c27471c684c8fc52c7e2d61348

    SHA256

    40613be15bab10b67bef562fd9f8754a7e6ba36f14b7446d4e63add757761a9f

    SHA512

    5707aa3429ca395a883e3f51ddadd6bbc7d4e23ab2c0b376a22e6f275944a2eaa83cce38e9e8259dd6db74d01594246b60dc57ebef543ea5ae83911ee08a7a31

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

    208KB

    MD5

    830c7ed8058194bcae4a77e43625c6b0

    SHA1

    cfb076d0ee93b0c27471c684c8fc52c7e2d61348

    SHA256

    40613be15bab10b67bef562fd9f8754a7e6ba36f14b7446d4e63add757761a9f

    SHA512

    5707aa3429ca395a883e3f51ddadd6bbc7d4e23ab2c0b376a22e6f275944a2eaa83cce38e9e8259dd6db74d01594246b60dc57ebef543ea5ae83911ee08a7a31

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

    208KB

    MD5

    830c7ed8058194bcae4a77e43625c6b0

    SHA1

    cfb076d0ee93b0c27471c684c8fc52c7e2d61348

    SHA256

    40613be15bab10b67bef562fd9f8754a7e6ba36f14b7446d4e63add757761a9f

    SHA512

    5707aa3429ca395a883e3f51ddadd6bbc7d4e23ab2c0b376a22e6f275944a2eaa83cce38e9e8259dd6db74d01594246b60dc57ebef543ea5ae83911ee08a7a31

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

    208KB

    MD5

    830c7ed8058194bcae4a77e43625c6b0

    SHA1

    cfb076d0ee93b0c27471c684c8fc52c7e2d61348

    SHA256

    40613be15bab10b67bef562fd9f8754a7e6ba36f14b7446d4e63add757761a9f

    SHA512

    5707aa3429ca395a883e3f51ddadd6bbc7d4e23ab2c0b376a22e6f275944a2eaa83cce38e9e8259dd6db74d01594246b60dc57ebef543ea5ae83911ee08a7a31

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

    208KB

    MD5

    830c7ed8058194bcae4a77e43625c6b0

    SHA1

    cfb076d0ee93b0c27471c684c8fc52c7e2d61348

    SHA256

    40613be15bab10b67bef562fd9f8754a7e6ba36f14b7446d4e63add757761a9f

    SHA512

    5707aa3429ca395a883e3f51ddadd6bbc7d4e23ab2c0b376a22e6f275944a2eaa83cce38e9e8259dd6db74d01594246b60dc57ebef543ea5ae83911ee08a7a31

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

    208KB

    MD5

    830c7ed8058194bcae4a77e43625c6b0

    SHA1

    cfb076d0ee93b0c27471c684c8fc52c7e2d61348

    SHA256

    40613be15bab10b67bef562fd9f8754a7e6ba36f14b7446d4e63add757761a9f

    SHA512

    5707aa3429ca395a883e3f51ddadd6bbc7d4e23ab2c0b376a22e6f275944a2eaa83cce38e9e8259dd6db74d01594246b60dc57ebef543ea5ae83911ee08a7a31

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

    208KB

    MD5

    830c7ed8058194bcae4a77e43625c6b0

    SHA1

    cfb076d0ee93b0c27471c684c8fc52c7e2d61348

    SHA256

    40613be15bab10b67bef562fd9f8754a7e6ba36f14b7446d4e63add757761a9f

    SHA512

    5707aa3429ca395a883e3f51ddadd6bbc7d4e23ab2c0b376a22e6f275944a2eaa83cce38e9e8259dd6db74d01594246b60dc57ebef543ea5ae83911ee08a7a31

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

    208KB

    MD5

    830c7ed8058194bcae4a77e43625c6b0

    SHA1

    cfb076d0ee93b0c27471c684c8fc52c7e2d61348

    SHA256

    40613be15bab10b67bef562fd9f8754a7e6ba36f14b7446d4e63add757761a9f

    SHA512

    5707aa3429ca395a883e3f51ddadd6bbc7d4e23ab2c0b376a22e6f275944a2eaa83cce38e9e8259dd6db74d01594246b60dc57ebef543ea5ae83911ee08a7a31

  • memory/764-90-0x00000000004085D0-mapping.dmp
  • memory/764-111-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/764-114-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/952-78-0x0000000000000000-mapping.dmp
  • memory/952-82-0x000000000062D000-0x0000000000642000-memory.dmp
    Filesize

    84KB

  • memory/1260-100-0x0000000000476940-mapping.dmp
  • memory/1260-107-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1260-113-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1260-110-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1260-109-0x0000000074FD1000-0x0000000074FD3000-memory.dmp
    Filesize

    8KB

  • memory/1260-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1260-99-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1260-98-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1260-92-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1260-94-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1348-71-0x0000000000000000-mapping.dmp
  • memory/1740-73-0x0000000000000000-mapping.dmp
  • memory/1896-56-0x000000000063D000-0x0000000000653000-memory.dmp
    Filesize

    88KB

  • memory/1920-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1920-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1920-106-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1920-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1920-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1920-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1920-70-0x0000000076181000-0x0000000076183000-memory.dmp
    Filesize

    8KB

  • memory/1920-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1920-63-0x00000000004085D0-mapping.dmp
  • memory/1920-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB