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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 23:14

General

  • Target

    cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf.dll

  • Size

    972KB

  • MD5

    c61c2dc34a60ce368416642615bb5462

  • SHA1

    f1f68757ab26495cf6a161a5581bd68b814de0f7

  • SHA256

    cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf

  • SHA512

    16837e7330f4a3acc84b9d3cdd2f6339787e1ac95c3677d7d1ec53ef4c16234e630683b36248d73be64f43febefaf535809288a9f52a224bce6f4d8e6cd6c2b6

  • SSDEEP

    12288:u4Rc5VE31XqaJusxGhr46CYtQ9mGycvPs9Ct:umc5iFBRxC+9mGycXs9Ct

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cc46b4c8d819689ae1ebca4b9657ba9edad8a87212c30b8e1b07d646e31ccfbf.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 180
          4⤵
          • Program crash
          PID:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~TMA544.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMA564.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    354KB

    MD5

    a8245f71e4e4aff10e574300abd2bcc2

    SHA1

    7ea3ae53a0697e526c6bc877b103b390af042d7a

    SHA256

    7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546

    SHA512

    8c32f1f55c0475ce06ddbd3db80d529addb401089bd61491641d2e2c0c36020eabc5a947735388ae7a90514c543cb29450afa13b1e3f90387e432b62d4628978

  • memory/2064-2-0x0000000078130000-0x0000000078225000-memory.dmp

    Filesize

    980KB

  • memory/2064-0-0x0000000078130000-0x0000000078225000-memory.dmp

    Filesize

    980KB

  • memory/2064-10-0x0000000000270000-0x00000000002CC000-memory.dmp

    Filesize

    368KB

  • memory/2064-13-0x0000000000270000-0x00000000002CC000-memory.dmp

    Filesize

    368KB

  • memory/2396-11-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2396-17-0x0000000077C8F000-0x0000000077C91000-memory.dmp

    Filesize

    8KB

  • memory/2396-16-0x00000000002F0000-0x000000000034C000-memory.dmp

    Filesize

    368KB

  • memory/2396-18-0x0000000077C90000-0x0000000077C91000-memory.dmp

    Filesize

    4KB

  • memory/2396-23-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2396-22-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB