Analysis

  • max time kernel
    149s
  • max time network
    51s
  • 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

    6704b39d075aeedf60893ffac549ab8622a8b5580adbe612e4417d7e110249c8.exe

  • Size

    208KB

  • MD5

    1b80cb5715a2325f69db8f4fc1995da0

  • SHA1

    9714566d570099988afff4dc09b31f220fa4c5e1

  • SHA256

    6704b39d075aeedf60893ffac549ab8622a8b5580adbe612e4417d7e110249c8

  • SHA512

    5c6795ea6a1c77dc140bbee8aedeb86b2dcf23deedeb8a77d87933e0a3300d9ef4174e538525b14f4182fd71ab69058a8f0a0c3d35ff93b6c6e295dd71ddefec

  • 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\6704b39d075aeedf60893ffac549ab8622a8b5580adbe612e4417d7e110249c8.exe
    "C:\Users\Admin\AppData\Local\Temp\6704b39d075aeedf60893ffac549ab8622a8b5580adbe612e4417d7e110249c8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\AppData\Local\Temp\6704b39d075aeedf60893ffac549ab8622a8b5580adbe612e4417d7e110249c8.exe
      "C:\Users\Admin\AppData\Local\Temp\6704b39d075aeedf60893ffac549ab8622a8b5580adbe612e4417d7e110249c8.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KSGRH.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1536
        • 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:1056
      • 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:1144
        • 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:700
        • 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:1096

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

    208KB

    MD5

    3103dec1110bf0ecd6c1c3a3bc5ba62e

    SHA1

    f07027e56a6c2d5f859436a72514dbe417adb223

    SHA256

    97c9e9e9ae04521f4057954f797b0e71e0f749f3291422f38e53f975e998d9c3

    SHA512

    aa9dd5d97730b143a5029ee106f6eba2afac2bebd59e6477948f9cb3890b61a6fd9011cda654ceed4e2335ca9c4c91dc93a98c4c2b582582ee654d0abfccd1e3

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

    208KB

    MD5

    3103dec1110bf0ecd6c1c3a3bc5ba62e

    SHA1

    f07027e56a6c2d5f859436a72514dbe417adb223

    SHA256

    97c9e9e9ae04521f4057954f797b0e71e0f749f3291422f38e53f975e998d9c3

    SHA512

    aa9dd5d97730b143a5029ee106f6eba2afac2bebd59e6477948f9cb3890b61a6fd9011cda654ceed4e2335ca9c4c91dc93a98c4c2b582582ee654d0abfccd1e3

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

    208KB

    MD5

    3103dec1110bf0ecd6c1c3a3bc5ba62e

    SHA1

    f07027e56a6c2d5f859436a72514dbe417adb223

    SHA256

    97c9e9e9ae04521f4057954f797b0e71e0f749f3291422f38e53f975e998d9c3

    SHA512

    aa9dd5d97730b143a5029ee106f6eba2afac2bebd59e6477948f9cb3890b61a6fd9011cda654ceed4e2335ca9c4c91dc93a98c4c2b582582ee654d0abfccd1e3

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

    208KB

    MD5

    3103dec1110bf0ecd6c1c3a3bc5ba62e

    SHA1

    f07027e56a6c2d5f859436a72514dbe417adb223

    SHA256

    97c9e9e9ae04521f4057954f797b0e71e0f749f3291422f38e53f975e998d9c3

    SHA512

    aa9dd5d97730b143a5029ee106f6eba2afac2bebd59e6477948f9cb3890b61a6fd9011cda654ceed4e2335ca9c4c91dc93a98c4c2b582582ee654d0abfccd1e3

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

    208KB

    MD5

    3103dec1110bf0ecd6c1c3a3bc5ba62e

    SHA1

    f07027e56a6c2d5f859436a72514dbe417adb223

    SHA256

    97c9e9e9ae04521f4057954f797b0e71e0f749f3291422f38e53f975e998d9c3

    SHA512

    aa9dd5d97730b143a5029ee106f6eba2afac2bebd59e6477948f9cb3890b61a6fd9011cda654ceed4e2335ca9c4c91dc93a98c4c2b582582ee654d0abfccd1e3

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

    208KB

    MD5

    3103dec1110bf0ecd6c1c3a3bc5ba62e

    SHA1

    f07027e56a6c2d5f859436a72514dbe417adb223

    SHA256

    97c9e9e9ae04521f4057954f797b0e71e0f749f3291422f38e53f975e998d9c3

    SHA512

    aa9dd5d97730b143a5029ee106f6eba2afac2bebd59e6477948f9cb3890b61a6fd9011cda654ceed4e2335ca9c4c91dc93a98c4c2b582582ee654d0abfccd1e3

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

    208KB

    MD5

    3103dec1110bf0ecd6c1c3a3bc5ba62e

    SHA1

    f07027e56a6c2d5f859436a72514dbe417adb223

    SHA256

    97c9e9e9ae04521f4057954f797b0e71e0f749f3291422f38e53f975e998d9c3

    SHA512

    aa9dd5d97730b143a5029ee106f6eba2afac2bebd59e6477948f9cb3890b61a6fd9011cda654ceed4e2335ca9c4c91dc93a98c4c2b582582ee654d0abfccd1e3

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

    208KB

    MD5

    3103dec1110bf0ecd6c1c3a3bc5ba62e

    SHA1

    f07027e56a6c2d5f859436a72514dbe417adb223

    SHA256

    97c9e9e9ae04521f4057954f797b0e71e0f749f3291422f38e53f975e998d9c3

    SHA512

    aa9dd5d97730b143a5029ee106f6eba2afac2bebd59e6477948f9cb3890b61a6fd9011cda654ceed4e2335ca9c4c91dc93a98c4c2b582582ee654d0abfccd1e3

  • memory/700-90-0x00000000004085D0-mapping.dmp
  • memory/700-111-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/700-114-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/860-56-0x000000000053D000-0x0000000000553000-memory.dmp
    Filesize

    88KB

  • memory/1056-73-0x0000000000000000-mapping.dmp
  • memory/1096-101-0x0000000000476940-mapping.dmp
  • memory/1096-106-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1096-113-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1096-110-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1096-93-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1096-109-0x0000000074291000-0x0000000074293000-memory.dmp
    Filesize

    8KB

  • memory/1096-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1096-95-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1096-98-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1096-100-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1144-78-0x0000000000000000-mapping.dmp
  • memory/1144-82-0x000000000054D000-0x0000000000562000-memory.dmp
    Filesize

    84KB

  • memory/1536-71-0x0000000000000000-mapping.dmp
  • memory/1776-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1776-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1776-63-0x00000000004085D0-mapping.dmp
  • memory/1776-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1776-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1776-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1776-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1776-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1776-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1776-70-0x0000000074DE1000-0x0000000074DE3000-memory.dmp
    Filesize

    8KB