Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/06/2024, 14:36

General

  • Target

    3eb500751acdd99f5f3df4fd27f0b0efa5f0e370a99291118fc85d045ea4c0a4.exe

  • Size

    291KB

  • MD5

    445e51ae7e9a6eaadfa8bfac82fd0d4e

  • SHA1

    70d51d9353570037b429a41a7ebf0d5175c9ef39

  • SHA256

    3eb500751acdd99f5f3df4fd27f0b0efa5f0e370a99291118fc85d045ea4c0a4

  • SHA512

    5ff75cd1cfe84f517b223c5336ad3b04a13ead4f0ec43fe628de09e08bf619616206c852548f039587d882444abdc0cb53a9ac33234d023d3252be4bef100ecd

  • SSDEEP

    6144:S+aezLMTi0+lfh+L5qe9T5q4GAFzWTBPMmC1UC6fOaU:S+a0MTi0uhMqe9ts2zWTpMmCG7W

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1284
      • C:\Users\Admin\AppData\Local\Temp\3eb500751acdd99f5f3df4fd27f0b0efa5f0e370a99291118fc85d045ea4c0a4.exe
        "C:\Users\Admin\AppData\Local\Temp\3eb500751acdd99f5f3df4fd27f0b0efa5f0e370a99291118fc85d045ea4c0a4.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2476
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2248
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a8EC8.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2616
            • C:\Users\Admin\AppData\Local\Temp\3eb500751acdd99f5f3df4fd27f0b0efa5f0e370a99291118fc85d045ea4c0a4.exe
              "C:\Users\Admin\AppData\Local\Temp\3eb500751acdd99f5f3df4fd27f0b0efa5f0e370a99291118fc85d045ea4c0a4.exe"
              4⤵
              • Executes dropped EXE
              PID:2908
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Executes dropped EXE
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2656
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2596
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2528
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2712
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2196

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

            Filesize

            484KB

            MD5

            7b714d463f7db900d5b6e757778a8ab8

            SHA1

            2cfc0e9f54236af8e10b0bfa551d87a20982b733

            SHA256

            c995370836939a29853611830ca08d437286d4f45603edce88f36aa1f99a0d97

            SHA512

            e8fe8823b5b7f282c24c964cbf4f248b7562259a13410bf95997288727f9bfc6ea51c4aa40182b649a2235bafc02062e0c57f4f62876b5174395071a8d68f9bb

          • C:\Users\Admin\AppData\Local\Temp\$$a8EC8.bat

            Filesize

            722B

            MD5

            466747331367092afcb8c02f3afdea9f

            SHA1

            c079aa932d46a7b55e68cb844fad9fcaf117c357

            SHA256

            2574dfbca6fdafacfd2a669cc99a43c64b5af40582add24ae3b0d4e6fb3e666b

            SHA512

            d47bc1e4b2367f74ec04ce004bb2eb0dd42c2262f81b54cca9577b697a7e65ee844cd12121ce2f1b6c1a1adc4db3ee2f68b70be6fe8fd3d5d3a377e550fd46b4

          • C:\Users\Admin\AppData\Local\Temp\3eb500751acdd99f5f3df4fd27f0b0efa5f0e370a99291118fc85d045ea4c0a4.exe.exe

            Filesize

            252KB

            MD5

            9e2b9928c89a9d0da1d3e8f4bd96afa7

            SHA1

            ec66cda99f44b62470c6930e5afda061579cde35

            SHA256

            8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

            SHA512

            2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            3119e880ce5d6d029185f7ed591e11d0

            SHA1

            3ab197daedf94e992062faa4eda18905b87c75bb

            SHA256

            b1eada5fd013195853bb65ee2b9fa55eb97840d20077d7a2fd43167800608eda

            SHA512

            18cafd3a73312811037cb0e44a578670498b09350d72febd262d62528094b9ba738357ef861bb9cb7704097b9c930b9aa38ee5823520e22cf71d4ebb453bf4d7

          • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

            Filesize

            9B

            MD5

            60b1ffe4d5892b7ae054738eec1fd425

            SHA1

            80d4e944617f4132b1c6917345b158f3693f35c8

            SHA256

            5e9944cc48c7ec641cf7b1b0125f47f26102c371a973612f0583f604bc3900d4

            SHA512

            7f5c200924dbb5531df997e6a35cb94f36b54f5651284b0d6404f0576301125ef72b410a170fca889d46c033063663cfc7791f9e4c3c30695af069053eee66cc

          • memory/1284-34-0x00000000025E0000-0x00000000025E1000-memory.dmp

            Filesize

            4KB

          • memory/1500-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1500-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1500-18-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/1500-39-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/1500-16-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/2656-37-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2656-20-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2656-1842-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2656-4090-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB