Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 21:26

General

  • Target

    3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe

  • Size

    72KB

  • MD5

    1d129dc331921af5576f88651534d040

  • SHA1

    1ecc261760e4a3de383a0926f7cd4d1f9eba3143

  • SHA256

    3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee

  • SHA512

    46562bd9e19cc65913d3974e63e101fb64e9ddc0f88d3ab124d55854508c363ea1aea8244725ed090bc7633204b1c1e0f2f16479bd05f5a32a6ccf6c40a41070

  • SSDEEP

    768:x/n3i1kK4GJrydY8O8oM+9asPW+JXr7QILPcMLopRgVdfbII8CQ7QHt08FIsAYaL:x7K8Y1XVVkgVdrI7Q3FIskXJYWL

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:436
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1104
        • C:\Users\Admin\AppData\Local\Temp\3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe
          "C:\Users\Admin\AppData\Local\Temp\3fa733a171e727fc55d4ce588947e8e7484e5455e9f9b370690619b7b50304ee.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1728
          • C:\Windows\SysWOW64\adguceac-acum.exe
            "C:\Windows\SysWOW64\adguceac-acum.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1856
            • C:\Windows\SysWOW64\adguceac-acum.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2132

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\emroakan-usix.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\ibrohoad-amor.exe

        Filesize

        72KB

        MD5

        69bca5832d4781e3393edfd2e2f2e2fa

        SHA1

        21c13205057c8b5c593cb159a7c2d8026ce25eb4

        SHA256

        7e0668c43c2237153001c6c29d53f5523767dbec85c4162cd0c05aadd6007215

        SHA512

        22c6862f33b787e7fdf361dfa1aaa7e88c6e1b9594a564f2c45458bf6a4287bd9e2ba7407b8476d6d15a4d08fabc96fc21e0ea377bc0b2aa2fac077fc59b3107

      • C:\Windows\SysWOW64\irbored-efoas.exe

        Filesize

        73KB

        MD5

        f36573f60e4ee32091ebbd6ac1aeb0b9

        SHA1

        68adea7779025d49879dbaa796881ebd78e62786

        SHA256

        19c928d1d3f6ab60a81516d93fdd7d0bc113336fc063b29ea0a807fc9718cb0a

        SHA512

        8c97d4dd79d8091bc027783ed27d86b2df130415e41214d3733148e44a7d1ba1c6d8080ffbd93fa52655e330df71b835485b64849f7812de0520543696c445c6

      • \Windows\SysWOW64\adguceac-acum.exe

        Filesize

        70KB

        MD5

        005259a9d7f0efce1d4f2edd56961d6e

        SHA1

        c0887b34e8cc62bc6c4c78b3955b292fbae40ab2

        SHA256

        4245d1a22cfeaea32905406ebf0e366ca07cbc5f94c8867ea914de44c8730468

        SHA512

        dfef0bfc712bdc0346a9480bd0b7420cb1345ef4c2c0e071f18a20db98eef8fcb7b2b5936ef68a1cf0c8329411fadfd6e620bcd192319d2b60c7048c0376c268

      • memory/1728-7-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB

      • memory/1856-53-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2132-54-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB