Resubmissions

03-06-2024 05:32

240603-f8hxzaed72

Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 00:43

General

  • Target

    5628df40dadaa39660521577b549537c23e129593a7584c55c008f62f7f6efdc.exe

  • Size

    368KB

  • MD5

    6d857a11a566aeb55a9f14ee68d12a7b

  • SHA1

    0cb7364b97ef764c1d888b547eb7815ff8a80f85

  • SHA256

    5628df40dadaa39660521577b549537c23e129593a7584c55c008f62f7f6efdc

  • SHA512

    e379dc85c39c84760c951cb13bf1f663220870eac87369854eb4983cfc89abf95fab6d0c9cd56f33c7bc6609b981f854b9a77a35cd8d4b8fbc806f62c2b99d1f

  • SSDEEP

    6144:n1qe1ISTzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:n1quIwU66b5zhVymA/XSRh

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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:1196
      • C:\Users\Admin\AppData\Local\Temp\5628df40dadaa39660521577b549537c23e129593a7584c55c008f62f7f6efdc.exe
        "C:\Users\Admin\AppData\Local\Temp\5628df40dadaa39660521577b549537c23e129593a7584c55c008f62f7f6efdc.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2140
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1712
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1276
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1999.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2644
            • C:\Users\Admin\AppData\Local\Temp\5628df40dadaa39660521577b549537c23e129593a7584c55c008f62f7f6efdc.exe
              "C:\Users\Admin\AppData\Local\Temp\5628df40dadaa39660521577b549537c23e129593a7584c55c008f62f7f6efdc.exe"
              4⤵
              • Executes dropped EXE
              PID:1396
          • 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:2740
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2540
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2568
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2772
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2776

          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

            478KB

            MD5

            5e54b5419052a6321d15fe6088be5258

            SHA1

            420003c0ad68fa2b977bee9e2ca2d1a53f8f1ec2

            SHA256

            142a70f95c82ea8acba8d3550273a20411a5b82f6d1b1c9657db51c3f83d5d97

            SHA512

            6d2d2025ed17d6f730d3fbb3a5549e60cfe951c7d9e0063f4ecca045ee28a375eac11fb9aa9cc484b181369165a0f7abae967807bad16aac0e4b60b7a8092f71

          • C:\Users\Admin\AppData\Local\Temp\$$a1999.bat

            Filesize

            722B

            MD5

            3f3b51c63c14ee592360045156f61549

            SHA1

            296039d00b5cc1a6e4f2cc0f6f6582351c767c2b

            SHA256

            ef8861701f4e1a743785be6d72d5e3f5e5fc6481671e04a95c1b22efb1c7bc7b

            SHA512

            3f1aee9b5ecd496f55255f9cac4aa9e21d3116da15a91bf7ee835a018fc54d7717b4977f568135c90aba58911930e7e6fd953ec29eb2d71041ceca018b944a67

          • C:\Users\Admin\AppData\Local\Temp\5628df40dadaa39660521577b549537c23e129593a7584c55c008f62f7f6efdc.exe.exe

            Filesize

            335KB

            MD5

            40ac62c087648ccc2c58dae066d34c98

            SHA1

            0e87efb6ddfe59e534ea9e829cad35be8563e5f7

            SHA256

            482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

            SHA512

            0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            005782dec3941236334d871c5153fbf3

            SHA1

            c973a6811e47002ccb7c48911cf58d9b0f15c990

            SHA256

            def563a72f35ff1bd5d55bb4d8db6b098975b14f9f0a1e6c099415dda5887103

            SHA512

            235604f421d5596f55f22ce59116a6975c527b433c26630c8a0aed7089710a9b4a781db2eae71eb93e7917ed4cf154554bbf37fa2ea4c7c0aaaa7737d96f2933

          • F:\$RECYCLE.BIN\S-1-5-21-3691908287-3775019229-3534252667-1000\_desktop.ini

            Filesize

            8B

            MD5

            378d822ce12583d0d584184af22d1d77

            SHA1

            c062ac770b028df6db676099e02f09fc2f77b171

            SHA256

            1ad01f8e46c86dfa34468e306eabe54b58d56134130b53ea7677961e3baaf6c7

            SHA512

            23cf7b916de734c6bb6fd3b2beee21f3e82bc95e93d8662dca818d7cf13602706f22671dce61388b2a7e0b613c07c70512331c4132759b16cf438cb1750bc397

          • memory/1196-27-0x0000000002E00000-0x0000000002E01000-memory.dmp

            Filesize

            4KB

          • memory/2140-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2140-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2740-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2740-31-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2740-3026-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2740-4133-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB