Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    21/02/2024, 15:36

General

  • Target

    e20ea3ca7881c3605f92c20c1715ea0b58c2ea8748c3203a24a36af5178a4253.exe

  • Size

    761KB

  • MD5

    687c9012b5b20586f606d77986fd945f

  • SHA1

    ecfd3923b932ef0549fba0301f25d822cde2232a

  • SHA256

    e20ea3ca7881c3605f92c20c1715ea0b58c2ea8748c3203a24a36af5178a4253

  • SHA512

    f73ac263cae5157f0c9abcf03a7ceb72a70c0ded0459d7ddc51e426dd28b333543599dd858708ecd6b2827af13e74492263d47a95f567bc99e1178e684687339

  • SSDEEP

    12288:zGboup+VHKBX3jbgS/Wg0MIn7ou8XBKsHKZycUQUfXJvA:z2kHKlzcS/0MInsu8uZycUfvA

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:1384
      • C:\Users\Admin\AppData\Local\Temp\e20ea3ca7881c3605f92c20c1715ea0b58c2ea8748c3203a24a36af5178a4253.exe
        "C:\Users\Admin\AppData\Local\Temp\e20ea3ca7881c3605f92c20c1715ea0b58c2ea8748c3203a24a36af5178a4253.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1064
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1756
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2712
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a6BED.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2868
            • C:\Users\Admin\AppData\Local\Temp\e20ea3ca7881c3605f92c20c1715ea0b58c2ea8748c3203a24a36af5178a4253.exe
              "C:\Users\Admin\AppData\Local\Temp\e20ea3ca7881c3605f92c20c1715ea0b58c2ea8748c3203a24a36af5178a4253.exe"
              4⤵
              • Executes dropped EXE
              PID:2732
          • 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:2880
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2600
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:768
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2568
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2596

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

            Filesize

            258KB

            MD5

            20cef2186133a343a70d5d5d4feef3a3

            SHA1

            4844bc3596fa52272bb96cc418f2754b9e33fb17

            SHA256

            a56a482a19e754be811a156bce1a2951aa5ce0765aca04261ede8179ad9e33db

            SHA512

            023fb969db382c783bbcf9b6fa8e88603caeac25b7802da432a98a5d4a686893e97de785d918341767b389f39ebfaf5111b42fe283802402fe0fe04e1b2eac54

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

            Filesize

            478KB

            MD5

            85bfd80e5e2a61689d1273c6efa51ccc

            SHA1

            8ae8a160124cc56983f24a933fbecdac08da435a

            SHA256

            892cf1575e0cc60639951f9a5a37323f3ca7d06f335e8a39635c3b858596ea3c

            SHA512

            96dd851f4d17a65aa6dfddfdc134a46d30b0417451b4c4b31092b66056cae59302d49b706294547e5766e347dc368ff4bd176d90376c5e2ad5c7a52aa8718a79

          • C:\Users\Admin\AppData\Local\Temp\$$a6BED.bat

            Filesize

            722B

            MD5

            36d6ee92c30a1a736544530b9ae8352f

            SHA1

            9db866c2dff62027783171174ce897b25a5dc317

            SHA256

            16a2356f40c72d9af1b3d5bc42d23533f421dd5d8bc476f8adb7d769bce7a7c3

            SHA512

            e0f228dc6059afed2da91af42b31a28baf43eac5d197c3a373504f80b7957ff7a245ec7be0f0d2514f61d535a3761e6366d22c69f286d3469f794fb6ff024b69

          • C:\Users\Admin\AppData\Local\Temp\e20ea3ca7881c3605f92c20c1715ea0b58c2ea8748c3203a24a36af5178a4253.exe.exe

            Filesize

            728KB

            MD5

            23e2fc0497edd8195bcae45a1389bf85

            SHA1

            28d2f99739a49cb707f9348cd3195e234c853b1e

            SHA256

            92d70a8fc07cee881009026759a8aaa5debfb64069038f610988719ed3630107

            SHA512

            5ae4c17363aa70cd17532fcf76bdff86d2634956f6e0483e88a14b22ce3e6dd01ad233943409302ab3a858d9d9eddb1a5d6d376f48908b64ed655554abfb2b4c

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            74de944429af39f54ac31888ee07b892

            SHA1

            7c05f329379c5a396dbdf1e3857f59734eeaaf07

            SHA256

            22a484df9625b0a17e2e7b65945360f0b031ec1bea68fb96d3553d07ab354f52

            SHA512

            d4a8d643b207e1742071a11b05b3044c0750849f767ecbecb5e957d1df1bc95a312a0a595c7c34cc8a09523ef25deac47fddb4801735bcff6087879ef8d10fd7

          • F:\$RECYCLE.BIN\S-1-5-21-3427588347-1492276948-3422228430-1000\_desktop.ini

            Filesize

            9B

            MD5

            62b5f4cbf35e0811170865d2c1b514b0

            SHA1

            eb9ab8cea4d5052efe5126141140269f2fc29e7b

            SHA256

            0c2b516efab7a741c31502cb6f7828de32cd4feb088b683d651225489f183bb3

            SHA512

            4632536c26324e72b20e87d53546ea1d012bc1f3457ce5d8e1b33dd3eebc41ad5e4a3d3f6a3a542d7ce103f95ca5a5a1973c6c036980f1e8860c6c5d93c5696f

          • memory/1064-19-0x00000000002D0000-0x0000000000310000-memory.dmp

            Filesize

            256KB

          • memory/1064-16-0x00000000002D0000-0x0000000000310000-memory.dmp

            Filesize

            256KB

          • memory/1064-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1064-15-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1384-29-0x0000000002730000-0x0000000002731000-memory.dmp

            Filesize

            4KB

          • memory/2880-33-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2880-20-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2880-1027-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2880-3695-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2880-4084-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB