Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 02:51

General

  • Target

    d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe

  • Size

    399KB

  • MD5

    23a2b5fb371ed9cd55d6e2e851ea24dd

  • SHA1

    ec7f377b8b447bd984399a4d0f6bc73e64feabe5

  • SHA256

    d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287

  • SHA512

    addfe128b757950396657f2bf57ba3d9339742ba3dc4b0a61c9aa4a220ee6aca3e76bcccbf7d5f0b73ce609d2152dfa70a254788c23dd626ae1910a547bb9992

  • SSDEEP

    6144:o+azbRZvLP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYFk:o+azbvcahVy41

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 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 9 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 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe
        "C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2992
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4588
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2752
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a90F5.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1184
          • C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe
            "C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe"
            4⤵
            • Executes dropped EXE
            PID:1148
        • 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:1012
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1648
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1064
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4256
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3936

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      257KB

      MD5

      4fcc69bac9b6665bab187067611ae3ea

      SHA1

      89c086e308a40ad73409ec456cec487237415672

      SHA256

      031e93424e881e9229166f7279eccc80d61f4849cb9f5a7cff822245c2b8fbad

      SHA512

      272569e5f1a768fdc1cec4fe40a09f026ff41f75b9494bd3bcc927e88da63fb2dc1126cb3dec2bfa993a6b19caf67f199f7e22f64e99e0d3a1faad391ce4c97b

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      583KB

      MD5

      6dfdc4c6737b9ef37eb485c2523aebd3

      SHA1

      3f3bf7b679e998cea6c446b46c5cd9cd6a81e5bb

      SHA256

      d5e95c46f0e79bc79f4e34321204ca48430555ea586090641dc07c1b29781e3d

      SHA512

      286339b30b1c03810429d1f4399ea961815e6f4cf80040160b273da0147ab93e0b533ce91020e82f1482236e72d1d786fdbb4c44bc86617a18e34824964f30d4

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

      Filesize

      649KB

      MD5

      3e7cc0550b3e262224a01196dcffca48

      SHA1

      84b97784946a4f4edc8528690aee26cff4a5c35d

      SHA256

      df205fe7ab5dd6c98547afe872f5b3bb66028f2cb14696fbc45610b0ef4723bf

      SHA512

      864943da2a29d2e8aaca17a10ed791f22b3387c85fe19c19dea1ab3b89b3d6540dbd187f867742967a696ba0b76ce6e576a2825cc9147d77ab79f3a4f2a4ab6a

    • C:\Users\Admin\AppData\Local\Temp\$$a90F5.bat

      Filesize

      722B

      MD5

      77beaca67b5f46732fed52168c7cc4c6

      SHA1

      e1fa3a92b8a7fb23980195eb724807f920724bc5

      SHA256

      27d7e454eb0a1202f1b3dd7147d7515e4de5242d7175fe7e7f98906822cb6598

      SHA512

      163740c2daaf42286964c304b0031fa26b9399a5204beb337dd122ead61dd31a1360617b8d72265d867b2afc515d22af2d9baa9f8b0183bb6fa69ec519dc9324

    • C:\Users\Admin\AppData\Local\Temp\d9b8a76e766153f739735a9f74a64d07cfb7226caae6586d65cfdb1751cc5287.exe.exe

      Filesize

      360KB

      MD5

      5fbd45261a2de3bb42f489e825a9a935

      SHA1

      ff388f6e9efe651ec62c4152c1739783e7899293

      SHA256

      9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

      SHA512

      7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

    • C:\Windows\Logo1_.exe

      Filesize

      39KB

      MD5

      3f3d998d6eff397e60f8b2c4179cb406

      SHA1

      61da9497495978c1058293bda8b9eabbeee63c34

      SHA256

      c785af8dec6ed02540126fd5bdaa7f35573cf80be00dbcb933a8fb4e6b8735f2

      SHA512

      5338569f9b9cd5f0a30403999441dc332dbd8ba16984cb5f2fcaa3f6d277cf1859d91b0cf951318d3c9b4affc25fcd69c34fe6abd1c4d4ad76431829bad74f7a

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\_desktop.ini

      Filesize

      9B

      MD5

      77ac50871f710809bbf0957e178463e4

      SHA1

      68a9ba0d760af28367efc9773999b978de998a12

      SHA256

      36309483344452798a5953f04265f59efcf323ec5d55ea7f0916449b12d579c1

      SHA512

      3adbde7746af2187e13878b8381313d555ff78f697650a608d38acde761e3bf3827515ea70fb6ea45520d806621565e93c3c8c8e4d2760c463747d1b0a3c8aeb

    • memory/1012-3087-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1012-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1012-11-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1012-8753-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2992-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2992-10-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB