Analysis

  • max time kernel
    145s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08-05-2023 23:37

General

  • Target

    3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7.exe

  • Size

    640KB

  • MD5

    ffdec8492d4a4d89d6cd3696ba61aef4

  • SHA1

    24878bcfade22751ed82d1e8cf3ceb09a749d5db

  • SHA256

    3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7

  • SHA512

    b2cb0c45ed103a8283ee0fcf760386f87d49e5fadd5241668425ee5c3c9382e3a3ab30f474b66045ecce72f1089caeb7a7ee7eb643f8bc96469a63b28dbfee4c

  • SSDEEP

    12288:7qJ8C5M/iotv+HlaIx/1yUsEFPdYeCUay9TqUMmr:7CvI+HlFxtyBCLtDMu

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7.exe
    "C:\Users\Admin\AppData\Local\Temp\3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7mgr.exe
      C:\Users\Admin\AppData\Local\Temp\3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 180
        3⤵
        • Program crash
        PID:752

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7mgr.exe
    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • C:\Users\Admin\AppData\Local\Temp\3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7mgr.exe
    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • \Users\Admin\AppData\Local\Temp\3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7mgr.exe
    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • \Users\Admin\AppData\Local\Temp\3f098a8186b49c6680c6c5c98cd47520412eeae9ed2dc2f4d314b89eda20bbb7mgr.exe
    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • \Users\Admin\AppData\Local\Temp\~TM1768.tmp
    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM1805.tmp
    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/2016-69-0x0000000000400000-0x000000000042A000-memory.dmp
    Filesize

    168KB

  • memory/2016-70-0x00000000001B0000-0x00000000001DA000-memory.dmp
    Filesize

    168KB

  • memory/2032-71-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

  • memory/2032-72-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB