Analysis

  • max time kernel
    152s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:33

General

  • Target

    7466584c38d78c280b7300d636fc4b150af170b3968387631f1d0cc03d61c7e9.exe

  • Size

    208KB

  • MD5

    a7c776e5a1af6a40b81da1534efb2f10

  • SHA1

    7074227f6290edfe796684ae92c65324ba4edd44

  • SHA256

    7466584c38d78c280b7300d636fc4b150af170b3968387631f1d0cc03d61c7e9

  • SHA512

    ee411699c99fcfc422eaff7680bb9664f3a12f924a77d06c737a60816550fd268820192dfe4eee28c899305d5d83f620ca90916cccb7602e824082409df3521a

  • SSDEEP

    1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 15 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\7466584c38d78c280b7300d636fc4b150af170b3968387631f1d0cc03d61c7e9.exe
    "C:\Users\Admin\AppData\Local\Temp\7466584c38d78c280b7300d636fc4b150af170b3968387631f1d0cc03d61c7e9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\7466584c38d78c280b7300d636fc4b150af170b3968387631f1d0cc03d61c7e9.exe
      "C:\Users\Admin\AppData\Local\Temp\7466584c38d78c280b7300d636fc4b150af170b3968387631f1d0cc03d61c7e9.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:816
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\JWDMW.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1544
        • 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:1720
      • 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:1572
        • 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:772
        • 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:1920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

    208KB

    MD5

    c717cd80563b6a7370a2d6d5f75c8a10

    SHA1

    cef6dc4739be4e4116d0da7faa6673639ffac52a

    SHA256

    36c64b8f0082a4e62eba8a02e1a8adaeb832333213c5ca0ff00e5138290a6fc9

    SHA512

    f646f4b730a9ae68425fd37442e8dfcdb561c043a6bcf09443a8d2746ba331e1cae84ee54ca81bf87bcbf216f43be02a014034aeaef8938dc3912559a4713bf7

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

    208KB

    MD5

    c717cd80563b6a7370a2d6d5f75c8a10

    SHA1

    cef6dc4739be4e4116d0da7faa6673639ffac52a

    SHA256

    36c64b8f0082a4e62eba8a02e1a8adaeb832333213c5ca0ff00e5138290a6fc9

    SHA512

    f646f4b730a9ae68425fd37442e8dfcdb561c043a6bcf09443a8d2746ba331e1cae84ee54ca81bf87bcbf216f43be02a014034aeaef8938dc3912559a4713bf7

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

    208KB

    MD5

    c717cd80563b6a7370a2d6d5f75c8a10

    SHA1

    cef6dc4739be4e4116d0da7faa6673639ffac52a

    SHA256

    36c64b8f0082a4e62eba8a02e1a8adaeb832333213c5ca0ff00e5138290a6fc9

    SHA512

    f646f4b730a9ae68425fd37442e8dfcdb561c043a6bcf09443a8d2746ba331e1cae84ee54ca81bf87bcbf216f43be02a014034aeaef8938dc3912559a4713bf7

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

    208KB

    MD5

    c717cd80563b6a7370a2d6d5f75c8a10

    SHA1

    cef6dc4739be4e4116d0da7faa6673639ffac52a

    SHA256

    36c64b8f0082a4e62eba8a02e1a8adaeb832333213c5ca0ff00e5138290a6fc9

    SHA512

    f646f4b730a9ae68425fd37442e8dfcdb561c043a6bcf09443a8d2746ba331e1cae84ee54ca81bf87bcbf216f43be02a014034aeaef8938dc3912559a4713bf7

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

    208KB

    MD5

    c717cd80563b6a7370a2d6d5f75c8a10

    SHA1

    cef6dc4739be4e4116d0da7faa6673639ffac52a

    SHA256

    36c64b8f0082a4e62eba8a02e1a8adaeb832333213c5ca0ff00e5138290a6fc9

    SHA512

    f646f4b730a9ae68425fd37442e8dfcdb561c043a6bcf09443a8d2746ba331e1cae84ee54ca81bf87bcbf216f43be02a014034aeaef8938dc3912559a4713bf7

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

    208KB

    MD5

    c717cd80563b6a7370a2d6d5f75c8a10

    SHA1

    cef6dc4739be4e4116d0da7faa6673639ffac52a

    SHA256

    36c64b8f0082a4e62eba8a02e1a8adaeb832333213c5ca0ff00e5138290a6fc9

    SHA512

    f646f4b730a9ae68425fd37442e8dfcdb561c043a6bcf09443a8d2746ba331e1cae84ee54ca81bf87bcbf216f43be02a014034aeaef8938dc3912559a4713bf7

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

    208KB

    MD5

    c717cd80563b6a7370a2d6d5f75c8a10

    SHA1

    cef6dc4739be4e4116d0da7faa6673639ffac52a

    SHA256

    36c64b8f0082a4e62eba8a02e1a8adaeb832333213c5ca0ff00e5138290a6fc9

    SHA512

    f646f4b730a9ae68425fd37442e8dfcdb561c043a6bcf09443a8d2746ba331e1cae84ee54ca81bf87bcbf216f43be02a014034aeaef8938dc3912559a4713bf7

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

    208KB

    MD5

    c717cd80563b6a7370a2d6d5f75c8a10

    SHA1

    cef6dc4739be4e4116d0da7faa6673639ffac52a

    SHA256

    36c64b8f0082a4e62eba8a02e1a8adaeb832333213c5ca0ff00e5138290a6fc9

    SHA512

    f646f4b730a9ae68425fd37442e8dfcdb561c043a6bcf09443a8d2746ba331e1cae84ee54ca81bf87bcbf216f43be02a014034aeaef8938dc3912559a4713bf7

  • memory/772-113-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/772-111-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/772-90-0x00000000004085D0-mapping.dmp
  • memory/816-70-0x0000000076711000-0x0000000076713000-memory.dmp
    Filesize

    8KB

  • memory/816-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/816-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/816-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/816-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/816-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/816-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/816-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/816-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/816-63-0x00000000004085D0-mapping.dmp
  • memory/1032-56-0x000000000059D000-0x00000000005B3000-memory.dmp
    Filesize

    88KB

  • memory/1544-71-0x0000000000000000-mapping.dmp
  • memory/1572-82-0x000000000056D000-0x0000000000582000-memory.dmp
    Filesize

    84KB

  • memory/1572-78-0x0000000000000000-mapping.dmp
  • memory/1720-73-0x0000000000000000-mapping.dmp
  • memory/1920-99-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1920-101-0x0000000000476940-mapping.dmp
  • memory/1920-106-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1920-100-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1920-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1920-109-0x0000000074F21000-0x0000000074F23000-memory.dmp
    Filesize

    8KB

  • memory/1920-110-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1920-93-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1920-95-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB