Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 19:32

General

  • Target

    38347300e5b77a9381ef1c73b0ec1dd6.exe

  • Size

    106KB

  • MD5

    38347300e5b77a9381ef1c73b0ec1dd6

  • SHA1

    27f4fe8c08b80fbb674146f6bf18812be0e5cc45

  • SHA256

    586d1044aecbeb6126df344b366884f36b4fc83f5afc377a38b82286bfbbb9a1

  • SHA512

    ddbae08fc6a8002e0f7e1983d41bcdf1490052626bd3f1f4dbac03b48e3bc66235a06426d68646155540a9cc2ea3f70224d85132f5af423b33a88e7492b86ddd

  • SSDEEP

    1536:v+FDoKtniY1u7Nn2JFkC2styJjCKICFjC7EWisS+5mlatSfkZa1:v+FDzK71QkbstyJjCKICpC72s/mlaXa1

Malware Config

Signatures

  • Ramnit

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

  • Loads dropped DLL 2 IoCs
  • UPX packed file 9 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38347300e5b77a9381ef1c73b0ec1dd6.exe
    "C:\Users\Admin\AppData\Local\Temp\38347300e5b77a9381ef1c73b0ec1dd6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    PID:1732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 136
      2⤵
      • Program crash
      PID:2352

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\~TM8F93.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM9001.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/1732-9-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-16-0x00000000777F0000-0x00000000777F1000-memory.dmp

    Filesize

    4KB

  • memory/1732-5-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-4-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-6-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-7-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1732-10-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-3-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-2-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/1732-14-0x00000000777EF000-0x00000000777F1000-memory.dmp

    Filesize

    8KB

  • memory/1732-17-0x00000000777F0000-0x00000000777F2000-memory.dmp

    Filesize

    8KB

  • memory/1732-1-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-20-0x0000000076DF0000-0x0000000076F00000-memory.dmp

    Filesize

    1.1MB

  • memory/1732-21-0x0000000076DF0000-0x0000000076F00000-memory.dmp

    Filesize

    1.1MB

  • memory/1732-22-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1732-23-0x0000000076DF0000-0x0000000076F00000-memory.dmp

    Filesize

    1.1MB