Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-04-2024 19:41

General

  • Target

    _Create installation script.cmd

  • Size

    1KB

  • MD5

    d96183ad20b7152c83c1455d0e98116c

  • SHA1

    905a8317a8892ae2170c2aabbcf3846fd7244272

  • SHA256

    b276580e201b8e46386e0203a5c9ac9ebc6c9b9a68ff8890f78c18e20c9bfa82

  • SHA512

    b1e993d843222afdc71939d8f92ab77faae21cee7cc56718033ecbf730e9df0b792dff0505d09cfe046ae72b3417aa9d6d1c6430a13bc3da8043582f718ae859

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\_Create installation script.cmd"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\Internet Download Manager 6.42.3.exe
      "Internet Download Manager 6.42.3.exe" /SAVEINF="setup.ini"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Users\Admin\AppData\Local\Temp\is-TK0HE.tmp\Internet Download Manager 6.42.3.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-TK0HE.tmp\Internet Download Manager 6.42.3.tmp" /SL5="$701F4,14762910,64512,C:\Users\Admin\AppData\Local\Temp\Internet Download Manager 6.42.3.exe" /SAVEINF="setup.ini"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1692

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\is-R4KOR.tmp\ISTask.dll
    Filesize

    66KB

    MD5

    86a1311d51c00b278cb7f27796ea442e

    SHA1

    ac08ac9d08f8f5380e2a9a65f4117862aa861a19

    SHA256

    e916bdf232744e00cbd8d608168a019c9f41a68a7e8390aa48cfb525276c483d

    SHA512

    129e4b8dd2665bcfc5e72b4585343c51127b5d027dbb0234291e7a197baeca1bab5ed074e65e5e8c969ee01f9f65cc52c9993037416de9bfff2f872e5aeba7ec

  • \Users\Admin\AppData\Local\Temp\is-R4KOR.tmp\VclStylesInno.dll
    Filesize

    3.0MB

    MD5

    b0ca93ceb050a2feff0b19e65072bbb5

    SHA1

    7ebbbbe2d2acd8fd516f824338d254a33b69f08d

    SHA256

    0e93313f42084d804b9ac4be53d844e549cfcaf19e6f276a3b0f82f01b9b2246

    SHA512

    37242423e62af30179906660c6dbbadca3dc2ba9e562f84315a69f3114765bc08e88321632843dbd78ba1728f8d1ce54a4edfa3b96a9d13e540aee895ae2d8e2

  • \Users\Admin\AppData\Local\Temp\is-R4KOR.tmp\_isetup\_shfoldr.dll
    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-TK0HE.tmp\Internet Download Manager 6.42.3.tmp
    Filesize

    911KB

    MD5

    4a6c1b37772b488d1bdff1eb6e589118

    SHA1

    e89a6b43b8fb61f988779c0bc3bd421090424d53

    SHA256

    109e48992f332ddde3f2ff8ea6459f11eff3d7968dab4951dc96ed7507f1bbf6

    SHA512

    132ff049d9d2d2dca20084f4fa1b3ebf059ccfbc0c5b0b29fabf78543896fb9e18d0dd2255f6bbbd5c637d5c6d405fd07ebd247c77bf751e0d8758cd8eda73cb

  • memory/1028-2-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/1028-0-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/1028-94-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/1692-57-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-35-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-23-0x0000000007310000-0x000000000762A000-memory.dmp
    Filesize

    3.1MB

  • memory/1692-26-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-27-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-25-0x0000000000510000-0x0000000000511000-memory.dmp
    Filesize

    4KB

  • memory/1692-29-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-28-0x0000000000520000-0x0000000000521000-memory.dmp
    Filesize

    4KB

  • memory/1692-30-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-32-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-31-0x0000000000530000-0x0000000000531000-memory.dmp
    Filesize

    4KB

  • memory/1692-33-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-34-0x0000000000540000-0x0000000000541000-memory.dmp
    Filesize

    4KB

  • memory/1692-61-0x0000000001F00000-0x0000000001F01000-memory.dmp
    Filesize

    4KB

  • memory/1692-40-0x0000000000560000-0x0000000000561000-memory.dmp
    Filesize

    4KB

  • memory/1692-39-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-38-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-41-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-43-0x0000000000570000-0x0000000000571000-memory.dmp
    Filesize

    4KB

  • memory/1692-45-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-46-0x0000000000580000-0x0000000000581000-memory.dmp
    Filesize

    4KB

  • memory/1692-44-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-42-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-37-0x0000000000550000-0x0000000000551000-memory.dmp
    Filesize

    4KB

  • memory/1692-36-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-52-0x00000000005A0000-0x00000000005A1000-memory.dmp
    Filesize

    4KB

  • memory/1692-53-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-56-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-58-0x00000000005C0000-0x00000000005C1000-memory.dmp
    Filesize

    4KB

  • memory/1692-15-0x0000000000280000-0x0000000000281000-memory.dmp
    Filesize

    4KB

  • memory/1692-68-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-60-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-70-0x0000000001F30000-0x0000000001F31000-memory.dmp
    Filesize

    4KB

  • memory/1692-19-0x00000000003D0000-0x00000000003E6000-memory.dmp
    Filesize

    88KB

  • memory/1692-59-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-71-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-72-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-62-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-69-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-67-0x0000000001F20000-0x0000000001F21000-memory.dmp
    Filesize

    4KB

  • memory/1692-66-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-74-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-81-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-84-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-83-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-82-0x0000000001F70000-0x0000000001F71000-memory.dmp
    Filesize

    4KB

  • memory/1692-80-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-79-0x0000000001F60000-0x0000000001F61000-memory.dmp
    Filesize

    4KB

  • memory/1692-78-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-77-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-76-0x0000000001F50000-0x0000000001F51000-memory.dmp
    Filesize

    4KB

  • memory/1692-75-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-73-0x0000000001F40000-0x0000000001F41000-memory.dmp
    Filesize

    4KB

  • memory/1692-65-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-64-0x0000000001F10000-0x0000000001F11000-memory.dmp
    Filesize

    4KB

  • memory/1692-63-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-55-0x00000000005B0000-0x00000000005B1000-memory.dmp
    Filesize

    4KB

  • memory/1692-54-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-51-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-50-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-49-0x0000000000590000-0x0000000000591000-memory.dmp
    Filesize

    4KB

  • memory/1692-48-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-47-0x0000000007630000-0x0000000007770000-memory.dmp
    Filesize

    1.2MB

  • memory/1692-87-0x00000000003F0000-0x00000000003F1000-memory.dmp
    Filesize

    4KB

  • memory/1692-95-0x0000000000280000-0x0000000000281000-memory.dmp
    Filesize

    4KB

  • memory/1692-100-0x00000000003F0000-0x00000000003F1000-memory.dmp
    Filesize

    4KB