Analysis

  • max time kernel
    132s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 07:59

General

  • Target

    29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf.dll

  • Size

    261KB

  • MD5

    009dc336cd425e6bb3a206dbe02d9243

  • SHA1

    7a3ac62da9bb84f99a8cb761be5cf81f810e3663

  • SHA256

    29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf

  • SHA512

    6e22fd03d4a4962dfe22796d5c8144958e6187975cf478557c72b76c96798e0f8a77c5e1fff8af70d8efad5989293f526b86b5cbdd94cbbcd00674e701db9df9

  • SSDEEP

    6144:aCIGPj038tAgFMldWNX+p2bU2ivLJiILPs7/nzAHD+jces:Lj038t/FMldW4uU2iDJdLEAjqces

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 228
        3⤵
        • Program crash
        PID:1500

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    94KB

    MD5

    8b5f2036288762602f2916929b1ab9d8

    SHA1

    351a0157960c3b009a9814a6e8b7f788ba798988

    SHA256

    55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

    SHA512

    41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

  • \Users\Admin\AppData\Local\Temp\~TMB185.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMB203.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    94KB

    MD5

    8b5f2036288762602f2916929b1ab9d8

    SHA1

    351a0157960c3b009a9814a6e8b7f788ba798988

    SHA256

    55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

    SHA512

    41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    94KB

    MD5

    8b5f2036288762602f2916929b1ab9d8

    SHA1

    351a0157960c3b009a9814a6e8b7f788ba798988

    SHA256

    55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

    SHA512

    41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

  • memory/1980-64-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1980-65-0x0000000000260000-0x00000000002A4000-memory.dmp

    Filesize

    272KB

  • memory/1980-66-0x0000000077DB0000-0x0000000077F30000-memory.dmp

    Filesize

    1.5MB

  • memory/2024-55-0x00000000767B1000-0x00000000767B3000-memory.dmp

    Filesize

    8KB

  • memory/2024-67-0x0000000010000000-0x0000000010046000-memory.dmp

    Filesize

    280KB

  • memory/2024-68-0x0000000000280000-0x00000000002C4000-memory.dmp

    Filesize

    272KB

  • memory/2024-69-0x0000000000280000-0x00000000002C4000-memory.dmp

    Filesize

    272KB

  • memory/2024-70-0x0000000000280000-0x00000000002C4000-memory.dmp

    Filesize

    272KB

  • memory/2024-71-0x0000000010000000-0x0000000010046000-memory.dmp

    Filesize

    280KB