Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:33

General

  • Target

    1605f51117212803254cb241a68f37c2daf864950044db6bfdc12163c9013708.exe

  • Size

    208KB

  • MD5

    08b5f110dfe78ab368079f5410af0cb0

  • SHA1

    a4a2295a484b7ea90100f596336df39c79f08c4f

  • SHA256

    1605f51117212803254cb241a68f37c2daf864950044db6bfdc12163c9013708

  • SHA512

    fd56a4eedb32168112228eecef1f9cad3e65c7db5d9df4381cf6d2ae7dde18558a92c9b570ae0852182b687e1b739090048c9593f94a26e3c846a7c95be0241a

  • 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\1605f51117212803254cb241a68f37c2daf864950044db6bfdc12163c9013708.exe
    "C:\Users\Admin\AppData\Local\Temp\1605f51117212803254cb241a68f37c2daf864950044db6bfdc12163c9013708.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:832
    • C:\Users\Admin\AppData\Local\Temp\1605f51117212803254cb241a68f37c2daf864950044db6bfdc12163c9013708.exe
      "C:\Users\Admin\AppData\Local\Temp\1605f51117212803254cb241a68f37c2daf864950044db6bfdc12163c9013708.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1272
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RVHIF.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:452
        • 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:520
      • 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:1548
        • 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:1380
        • 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:824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

    208KB

    MD5

    08c55056edcae86552facdc1daa5d5fe

    SHA1

    fca2cb53b9e232b9f133b37767d13ee5a34bc83c

    SHA256

    d8132ba294cc866e5f36ea3a1f5bf1aff306d0edf238b8b33d64cea434b71b11

    SHA512

    a0ac10c410206e74eb624a6fba9fc83cf279a1847f3303150c4d2e3713f5558a859acf98abd45a11fdc782824feda6985133b008b1550f313a10bbb006208bf0

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

    208KB

    MD5

    08c55056edcae86552facdc1daa5d5fe

    SHA1

    fca2cb53b9e232b9f133b37767d13ee5a34bc83c

    SHA256

    d8132ba294cc866e5f36ea3a1f5bf1aff306d0edf238b8b33d64cea434b71b11

    SHA512

    a0ac10c410206e74eb624a6fba9fc83cf279a1847f3303150c4d2e3713f5558a859acf98abd45a11fdc782824feda6985133b008b1550f313a10bbb006208bf0

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

    208KB

    MD5

    08c55056edcae86552facdc1daa5d5fe

    SHA1

    fca2cb53b9e232b9f133b37767d13ee5a34bc83c

    SHA256

    d8132ba294cc866e5f36ea3a1f5bf1aff306d0edf238b8b33d64cea434b71b11

    SHA512

    a0ac10c410206e74eb624a6fba9fc83cf279a1847f3303150c4d2e3713f5558a859acf98abd45a11fdc782824feda6985133b008b1550f313a10bbb006208bf0

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

    208KB

    MD5

    08c55056edcae86552facdc1daa5d5fe

    SHA1

    fca2cb53b9e232b9f133b37767d13ee5a34bc83c

    SHA256

    d8132ba294cc866e5f36ea3a1f5bf1aff306d0edf238b8b33d64cea434b71b11

    SHA512

    a0ac10c410206e74eb624a6fba9fc83cf279a1847f3303150c4d2e3713f5558a859acf98abd45a11fdc782824feda6985133b008b1550f313a10bbb006208bf0

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

    208KB

    MD5

    08c55056edcae86552facdc1daa5d5fe

    SHA1

    fca2cb53b9e232b9f133b37767d13ee5a34bc83c

    SHA256

    d8132ba294cc866e5f36ea3a1f5bf1aff306d0edf238b8b33d64cea434b71b11

    SHA512

    a0ac10c410206e74eb624a6fba9fc83cf279a1847f3303150c4d2e3713f5558a859acf98abd45a11fdc782824feda6985133b008b1550f313a10bbb006208bf0

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

    208KB

    MD5

    08c55056edcae86552facdc1daa5d5fe

    SHA1

    fca2cb53b9e232b9f133b37767d13ee5a34bc83c

    SHA256

    d8132ba294cc866e5f36ea3a1f5bf1aff306d0edf238b8b33d64cea434b71b11

    SHA512

    a0ac10c410206e74eb624a6fba9fc83cf279a1847f3303150c4d2e3713f5558a859acf98abd45a11fdc782824feda6985133b008b1550f313a10bbb006208bf0

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

    208KB

    MD5

    08c55056edcae86552facdc1daa5d5fe

    SHA1

    fca2cb53b9e232b9f133b37767d13ee5a34bc83c

    SHA256

    d8132ba294cc866e5f36ea3a1f5bf1aff306d0edf238b8b33d64cea434b71b11

    SHA512

    a0ac10c410206e74eb624a6fba9fc83cf279a1847f3303150c4d2e3713f5558a859acf98abd45a11fdc782824feda6985133b008b1550f313a10bbb006208bf0

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

    208KB

    MD5

    08c55056edcae86552facdc1daa5d5fe

    SHA1

    fca2cb53b9e232b9f133b37767d13ee5a34bc83c

    SHA256

    d8132ba294cc866e5f36ea3a1f5bf1aff306d0edf238b8b33d64cea434b71b11

    SHA512

    a0ac10c410206e74eb624a6fba9fc83cf279a1847f3303150c4d2e3713f5558a859acf98abd45a11fdc782824feda6985133b008b1550f313a10bbb006208bf0

  • memory/452-71-0x0000000000000000-mapping.dmp
  • memory/520-73-0x0000000000000000-mapping.dmp
  • memory/824-101-0x0000000000476940-mapping.dmp
  • memory/824-107-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/824-110-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/824-109-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
    Filesize

    8KB

  • memory/824-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/824-100-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/824-98-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/824-94-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/824-92-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/832-56-0x00000000004ED000-0x0000000000503000-memory.dmp
    Filesize

    88KB

  • memory/1272-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1272-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1272-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1272-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1272-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1272-63-0x00000000004085D0-mapping.dmp
  • memory/1272-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1272-106-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1272-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1272-70-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
    Filesize

    8KB

  • memory/1380-90-0x00000000004085D0-mapping.dmp
  • memory/1380-111-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1380-113-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1548-78-0x0000000000000000-mapping.dmp
  • memory/1548-82-0x00000000004ED000-0x0000000000502000-memory.dmp
    Filesize

    84KB