Analysis

  • max time kernel
    149s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 22:29

General

  • Target

    91e9d2fe382eeb04e4085647f8390084ff067dfaedbc4ace478988eaf4499576.exe

  • Size

    761KB

  • MD5

    84f9126f32fe7eea82f75c4fac951ce4

  • SHA1

    7b05ea3c20f193de5966b1872c7fd1059fffcdc6

  • SHA256

    91e9d2fe382eeb04e4085647f8390084ff067dfaedbc4ace478988eaf4499576

  • SHA512

    0d2b62178916351ccfd618670c33a3287a2b316b5635d14f111265cab882023951990c1a8fd4dc0a77df2564f82f3c36f7073582c1b166a755c863f183cb273c

  • SSDEEP

    12288:A+ayGboup+VHKBX3jbgS/Wg0MIn7ou8XBKsHKZycUQUfXJvA:ABy2kHKlzcS/0MInsu8uZycUfvA

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3552
      • C:\Users\Admin\AppData\Local\Temp\91e9d2fe382eeb04e4085647f8390084ff067dfaedbc4ace478988eaf4499576.exe
        "C:\Users\Admin\AppData\Local\Temp\91e9d2fe382eeb04e4085647f8390084ff067dfaedbc4ace478988eaf4499576.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4876
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4456
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2004
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a77C0.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1576
          • C:\Users\Admin\AppData\Local\Temp\91e9d2fe382eeb04e4085647f8390084ff067dfaedbc4ace478988eaf4499576.exe
            "C:\Users\Admin\AppData\Local\Temp\91e9d2fe382eeb04e4085647f8390084ff067dfaedbc4ace478988eaf4499576.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:5024
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1940
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3140
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3444
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4440
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4576

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      250KB

      MD5

      71ba7af50c95582d5533b66cb35dd83a

      SHA1

      e04b58f7ee8b0ca9ef148ec1e10d088047f867ab

      SHA256

      1ea29a665f9812577876ba26bd78ba674c2db7f4595a40d75b1dd8cd822a936b

      SHA512

      031a9dffc539f40f0fe328c92b5a1610411f60dab96929d5eeb32018bbc754940cfb844d55becf9647a038dbf6fa885aecf6dcab8604434ae7cab5396cc1df15

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      5ac4056f9d0b3bd588671434ead1c17f

      SHA1

      9d3e0e6c41fe202d78ac7adc0c26c0a5d27b5d9c

      SHA256

      ed3ad6c04b7778bf946fe1a0cea7b00a82542c7cb9687e562741248ea7657411

      SHA512

      12955c0c491b2f4b5343ba8d64ac9c08eaa77cb5b84929b36fd9efde7e241dd1553d3175fb39d1f4f9a9cb9e1242f501df3943788977fb06b0d30871ba5330d2

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      643KB

      MD5

      a5d877ddb05e13f657da9a470f10bd7c

      SHA1

      0e06863bb66b72b01d0120f89a176a13ffccc6cc

      SHA256

      5fba16468f3e99ea99a8b3007a6d4a34ddcbedcf757c192f0eaf707297414777

      SHA512

      aa28dca40bbc144f40dec11b83cbb4ed746f3f74c831318c2eea0d5d4108ed6452485f30ab7f697114e19b48d4b256580042a542ebd65dacacea5e5384f600ed

    • C:\Users\Admin\AppData\Local\Temp\$$a77C0.bat

      Filesize

      722B

      MD5

      9557c410c21621f765ccca0aa788b8b9

      SHA1

      e84e91d6201d21a74814593514780813b788607c

      SHA256

      63f3976d0588ce9add9d6eb1a3e4c787a7788e14384a67659a47a8bd25267e41

      SHA512

      70cbf0df173ac3d940a351044e3ef4c0320607a455010356f1d67ca0a6c72931e268483d3387a1de5b608c0bf093fb364178ed03a9301a4c3c01ea8deaa517f1

    • C:\Users\Admin\AppData\Local\Temp\91e9d2fe382eeb04e4085647f8390084ff067dfaedbc4ace478988eaf4499576.exe.exe

      Filesize

      728KB

      MD5

      23e2fc0497edd8195bcae45a1389bf85

      SHA1

      28d2f99739a49cb707f9348cd3195e234c853b1e

      SHA256

      92d70a8fc07cee881009026759a8aaa5debfb64069038f610988719ed3630107

      SHA512

      5ae4c17363aa70cd17532fcf76bdff86d2634956f6e0483e88a14b22ce3e6dd01ad233943409302ab3a858d9d9eddb1a5d6d376f48908b64ed655554abfb2b4c

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      c4ec2631f0913b349423b6d2bd687a6b

      SHA1

      9b9ae1664a063db7e1bd53073f6f1c3a62fa0e55

      SHA256

      cdaed7acb956972ce40a95412620150fcf1428c34a8ddbd0e9f0742df0d885bb

      SHA512

      a8ba683aa3c9d607d7ef9c3ec28a924b23be85a90e5334eb2a9f6edb8117442a818608c44f010b2bdaec052319fcc6436b5628408f4ebb82d207196df1729e86

    • F:\$RECYCLE.BIN\S-1-5-21-1302416131-1437503476-2806442725-1000\_desktop.ini

      Filesize

      8B

      MD5

      24cfb7e9169e3ecbcdf34395dff5aed0

      SHA1

      64061d8b0afd788fb3d2990e90e61f14010896dd

      SHA256

      e11477f26e6139dabba6ad5dab927732c6a3785db78f82194ad7ae20323c6578

      SHA512

      a315d4ab14f15f8df115e35134f0a1eff8018b0c35c5a0283928f2d3f3014215d683973b9aeba1bc74c49437cc929ea4e2fb847b4305da6d5abca235c750e299

    • memory/1940-2782-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1940-18-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1940-9-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1940-8745-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4876-0-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4876-11-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB