Analysis

  • max time kernel
    194s
  • max time network
    111s
  • 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

    393f2af422a568b21d54f4b47231b9825e54bc6a7aaf4c47728638d8993d1efd.exe

  • Size

    208KB

  • MD5

    b92fe9424a59826e83cbeb087c851460

  • SHA1

    af6c9e4a8951ac4e167649ec1568bbce81afba72

  • SHA256

    393f2af422a568b21d54f4b47231b9825e54bc6a7aaf4c47728638d8993d1efd

  • SHA512

    226ee2085a391ee0f6365029e962dc7326be4056723e9b6e9b513ebe68101e57a4dd74d1c7ac37c981eeadc9da65621f7d56aea838b6806330ab0bdc434cdf74

  • 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\393f2af422a568b21d54f4b47231b9825e54bc6a7aaf4c47728638d8993d1efd.exe
    "C:\Users\Admin\AppData\Local\Temp\393f2af422a568b21d54f4b47231b9825e54bc6a7aaf4c47728638d8993d1efd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\393f2af422a568b21d54f4b47231b9825e54bc6a7aaf4c47728638d8993d1efd.exe
      "C:\Users\Admin\AppData\Local\Temp\393f2af422a568b21d54f4b47231b9825e54bc6a7aaf4c47728638d8993d1efd.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DRHUQ.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:604
        • 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:1136
      • 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:1496
        • 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:112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

    208KB

    MD5

    1846f37ef19d00e9e7a87ff11158a161

    SHA1

    4d1b5da4540c8ddfe93f673467581c4e051f124b

    SHA256

    e2646199c6ae2314cbb81a6c4af7c308d2a64e03fbb8d5df5a57091e4b0f7f31

    SHA512

    0ab8f26a40407b68914af7ece06c018e6ccb33cb0e56caa277971f05c8822c81e4f35c7780207e2f34964980e4ded8786c3b8afdcd0de6b20c57cd0ee93d2b48

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

    208KB

    MD5

    1846f37ef19d00e9e7a87ff11158a161

    SHA1

    4d1b5da4540c8ddfe93f673467581c4e051f124b

    SHA256

    e2646199c6ae2314cbb81a6c4af7c308d2a64e03fbb8d5df5a57091e4b0f7f31

    SHA512

    0ab8f26a40407b68914af7ece06c018e6ccb33cb0e56caa277971f05c8822c81e4f35c7780207e2f34964980e4ded8786c3b8afdcd0de6b20c57cd0ee93d2b48

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

    208KB

    MD5

    1846f37ef19d00e9e7a87ff11158a161

    SHA1

    4d1b5da4540c8ddfe93f673467581c4e051f124b

    SHA256

    e2646199c6ae2314cbb81a6c4af7c308d2a64e03fbb8d5df5a57091e4b0f7f31

    SHA512

    0ab8f26a40407b68914af7ece06c018e6ccb33cb0e56caa277971f05c8822c81e4f35c7780207e2f34964980e4ded8786c3b8afdcd0de6b20c57cd0ee93d2b48

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

    208KB

    MD5

    1846f37ef19d00e9e7a87ff11158a161

    SHA1

    4d1b5da4540c8ddfe93f673467581c4e051f124b

    SHA256

    e2646199c6ae2314cbb81a6c4af7c308d2a64e03fbb8d5df5a57091e4b0f7f31

    SHA512

    0ab8f26a40407b68914af7ece06c018e6ccb33cb0e56caa277971f05c8822c81e4f35c7780207e2f34964980e4ded8786c3b8afdcd0de6b20c57cd0ee93d2b48

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

    208KB

    MD5

    1846f37ef19d00e9e7a87ff11158a161

    SHA1

    4d1b5da4540c8ddfe93f673467581c4e051f124b

    SHA256

    e2646199c6ae2314cbb81a6c4af7c308d2a64e03fbb8d5df5a57091e4b0f7f31

    SHA512

    0ab8f26a40407b68914af7ece06c018e6ccb33cb0e56caa277971f05c8822c81e4f35c7780207e2f34964980e4ded8786c3b8afdcd0de6b20c57cd0ee93d2b48

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

    208KB

    MD5

    1846f37ef19d00e9e7a87ff11158a161

    SHA1

    4d1b5da4540c8ddfe93f673467581c4e051f124b

    SHA256

    e2646199c6ae2314cbb81a6c4af7c308d2a64e03fbb8d5df5a57091e4b0f7f31

    SHA512

    0ab8f26a40407b68914af7ece06c018e6ccb33cb0e56caa277971f05c8822c81e4f35c7780207e2f34964980e4ded8786c3b8afdcd0de6b20c57cd0ee93d2b48

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

    208KB

    MD5

    1846f37ef19d00e9e7a87ff11158a161

    SHA1

    4d1b5da4540c8ddfe93f673467581c4e051f124b

    SHA256

    e2646199c6ae2314cbb81a6c4af7c308d2a64e03fbb8d5df5a57091e4b0f7f31

    SHA512

    0ab8f26a40407b68914af7ece06c018e6ccb33cb0e56caa277971f05c8822c81e4f35c7780207e2f34964980e4ded8786c3b8afdcd0de6b20c57cd0ee93d2b48

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

    208KB

    MD5

    1846f37ef19d00e9e7a87ff11158a161

    SHA1

    4d1b5da4540c8ddfe93f673467581c4e051f124b

    SHA256

    e2646199c6ae2314cbb81a6c4af7c308d2a64e03fbb8d5df5a57091e4b0f7f31

    SHA512

    0ab8f26a40407b68914af7ece06c018e6ccb33cb0e56caa277971f05c8822c81e4f35c7780207e2f34964980e4ded8786c3b8afdcd0de6b20c57cd0ee93d2b48

  • memory/112-99-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/112-113-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/112-111-0x0000000075021000-0x0000000075023000-memory.dmp
    Filesize

    8KB

  • memory/112-109-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/112-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/112-106-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/112-100-0x0000000000476940-mapping.dmp
  • memory/112-97-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/112-94-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/112-93-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/604-71-0x0000000000000000-mapping.dmp
  • memory/1136-73-0x0000000000000000-mapping.dmp
  • memory/1156-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1156-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1156-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1156-70-0x00000000766F1000-0x00000000766F3000-memory.dmp
    Filesize

    8KB

  • memory/1156-63-0x00000000004085D0-mapping.dmp
  • memory/1156-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1156-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1156-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1156-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1156-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1456-56-0x000000000056D000-0x0000000000583000-memory.dmp
    Filesize

    88KB

  • memory/1496-90-0x00000000004085D0-mapping.dmp
  • memory/1496-110-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1496-114-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1548-78-0x0000000000000000-mapping.dmp
  • memory/1548-82-0x000000000053D000-0x0000000000552000-memory.dmp
    Filesize

    84KB