Analysis

  • max time kernel
    137s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2024 03:02

General

  • Target

    57cf9f8f973ff9ef8b722b45b8c60db2.exe

  • Size

    76KB

  • MD5

    57cf9f8f973ff9ef8b722b45b8c60db2

  • SHA1

    0dd593a2bcd25127ed3600ab3b8bf5d2aa36b971

  • SHA256

    34e1162151589c11d175412c8d84666b781a66f4b9690b71574348824df5a18b

  • SHA512

    44a089f2c5a59774306415ba8db98669c00dd777a54ea0a94053d0b32326f221e6a65bea53b5c78400e0e8477c30fe382256d4e6c3901e750284f2f55e2f282c

  • SSDEEP

    1536:IZTRuvQhDQnx15j6x+MTVqc+8f/NntAcqRSEaWEBL/:IRYvQhkv5VMTVq78NntLEaWEZ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 10 IoCs
  • Drops file in System32 directory 22 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57cf9f8f973ff9ef8b722b45b8c60db2.exe
    "C:\Users\Admin\AppData\Local\Temp\57cf9f8f973ff9ef8b722b45b8c60db2.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Windows\SysWOW64\DllServ.exe
      C:\Windows\system32\DllServ.exe 1192 "C:\Users\Admin\AppData\Local\Temp\57cf9f8f973ff9ef8b722b45b8c60db2.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\SysWOW64\DllServ.exe
        C:\Windows\system32\DllServ.exe 1152 "C:\Windows\SysWOW64\DllServ.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:3436
        • C:\Windows\SysWOW64\DllServ.exe
          C:\Windows\system32\DllServ.exe 1108 "C:\Windows\SysWOW64\DllServ.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1052
          • C:\Windows\SysWOW64\DllServ.exe
            C:\Windows\system32\DllServ.exe 1128 "C:\Windows\SysWOW64\DllServ.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:3432
            • C:\Windows\SysWOW64\DllServ.exe
              C:\Windows\system32\DllServ.exe 1132 "C:\Windows\SysWOW64\DllServ.exe"
              6⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • Suspicious use of WriteProcessMemory
              PID:4000
              • C:\Windows\SysWOW64\DllServ.exe
                C:\Windows\system32\DllServ.exe 1124 "C:\Windows\SysWOW64\DllServ.exe"
                7⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:1160
                • C:\Windows\SysWOW64\DllServ.exe
                  C:\Windows\system32\DllServ.exe 1140 "C:\Windows\SysWOW64\DllServ.exe"
                  8⤵
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • Suspicious use of WriteProcessMemory
                  PID:2196
                  • C:\Windows\SysWOW64\DllServ.exe
                    C:\Windows\system32\DllServ.exe 1104 "C:\Windows\SysWOW64\DllServ.exe"
                    9⤵
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • Suspicious use of WriteProcessMemory
                    PID:3188
                    • C:\Windows\SysWOW64\DllServ.exe
                      C:\Windows\system32\DllServ.exe 1148 "C:\Windows\SysWOW64\DllServ.exe"
                      10⤵
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • Suspicious use of WriteProcessMemory
                      PID:5096
                      • C:\Windows\SysWOW64\DllServ.exe
                        C:\Windows\system32\DllServ.exe 1144 "C:\Windows\SysWOW64\DllServ.exe"
                        11⤵
                        • Executes dropped EXE
                        • Drops file in System32 directory
                        PID:4596

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\DllServ.exe

    Filesize

    76KB

    MD5

    57cf9f8f973ff9ef8b722b45b8c60db2

    SHA1

    0dd593a2bcd25127ed3600ab3b8bf5d2aa36b971

    SHA256

    34e1162151589c11d175412c8d84666b781a66f4b9690b71574348824df5a18b

    SHA512

    44a089f2c5a59774306415ba8db98669c00dd777a54ea0a94053d0b32326f221e6a65bea53b5c78400e0e8477c30fe382256d4e6c3901e750284f2f55e2f282c

  • memory/1052-13-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/1052-17-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/1160-26-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/1160-22-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/1884-11-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/1884-7-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2196-29-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/2196-25-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3188-32-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3188-28-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3432-16-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3432-20-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3436-14-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3436-10-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/4000-19-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/4000-23-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/4596-34-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/4796-8-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/4796-0-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/5096-31-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/5096-35-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB