Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 04:16

General

  • Target

    e90786e25682df333a163058c627395b5f33e56ebfd8e4df1c2967a610b597cc.dll

  • Size

    284KB

  • MD5

    f2c20dbcde49b2486c06076c3bee99eb

  • SHA1

    de95764605cd138553dd16c03107725ccdeaa386

  • SHA256

    e90786e25682df333a163058c627395b5f33e56ebfd8e4df1c2967a610b597cc

  • SHA512

    ebfc1553252524e9b4b162bf63ad8f2766225e63c341392142152d4b5e4f5154533e1f756199b0f36cdf05cf211543937e4a251339b7851dded9b69985d5ee5d

  • SSDEEP

    6144:jZ4/3j2NcJ5BLUv8xs5ZypffRPbjjE5VaCnC79pPVO:q3yNcX5G8ODctjjakCnCpjO

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 1 IoCs

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

  • 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\e90786e25682df333a163058c627395b5f33e56ebfd8e4df1c2967a610b597cc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e90786e25682df333a163058c627395b5f33e56ebfd8e4df1c2967a610b597cc.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2168
        • C:\Users\Admin\AppData\Local\Temp\jghqvwhv.exe
          C:\Users\Admin\AppData\Local\Temp\jghqvwhv.exe
          4⤵
            PID:2216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.2MB

      MD5

      d124f55b9393c976963407dff51ffa79

      SHA1

      2c7bbedd79791bfb866898c85b504186db610b5d

      SHA256

      ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

      SHA512

      278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

    • \Users\Admin\AppData\Local\Temp\~TMD00C.tmp

      Filesize

      1.1MB

      MD5

      9b98d47916ead4f69ef51b56b0c2323c

      SHA1

      290a80b4ded0efc0fd00816f373fcea81a521330

      SHA256

      96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

      SHA512

      68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

    • \Windows\SysWOW64\rundll32mgr.exe

      Filesize

      162KB

      MD5

      6553cd97f30044817c4e52f133f00fff

      SHA1

      0cb3a2e7d9bfea470943f3155b14021a6be8deb4

      SHA256

      d808cea19fa170d3cf73c4d877b7fef0b3c20addea83e53a94e7f4df3fcc7d1e

      SHA512

      e8a41616a056817dffdba13e65f82bb8d93e026d42f4bf1edb85ef84fb388afc7f0e0ab00c4ec0ed3399b14e2844fac2cdba6357f4bd963bde9311419e17a0da

    • memory/2168-12-0x0000000001BB0000-0x0000000001C1B000-memory.dmp

      Filesize

      428KB

    • memory/2168-14-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2168-22-0x0000000001BB0000-0x0000000001C1B000-memory.dmp

      Filesize

      428KB

    • memory/3008-2-0x00000000752A0000-0x00000000752EB000-memory.dmp

      Filesize

      300KB

    • memory/3008-1-0x00000000752B0000-0x00000000752FB000-memory.dmp

      Filesize

      300KB

    • memory/3008-11-0x0000000075260000-0x00000000752AB000-memory.dmp

      Filesize

      300KB

    • memory/3008-10-0x00000000752B0000-0x00000000752FB000-memory.dmp

      Filesize

      300KB