Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:12

General

  • Target

    77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe

  • Size

    399KB

  • MD5

    a13640e988030d6dc8fa839ad06f6662

  • SHA1

    f7920aed4704a0f6d5b9b60c5c3b9e1b9208e8e9

  • SHA256

    77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4

  • SHA512

    5b51f9808387675eaa8c45162d53b709ecc00577ab4f2a198526df13479f434cf8a9856673d5c1a84a3d0b5e56f36afb39c751ac1a30b59c0a8163ee5e83aef8

  • SSDEEP

    6144:V+azbRZvLP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYFk:V+azbvcahVy41

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 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
  • 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe
        "C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2248
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1792
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2460
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aC6E7.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1912
          • C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe
            "C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe"
            4⤵
            • Executes dropped EXE
            PID:2484
        • 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:2060
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2020
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2224
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2824
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2704

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      484KB

      MD5

      a803cec17e97a23f06f00bad17aa1236

      SHA1

      7a5c9795e740bbf318d745de0eb80adb7d74538d

      SHA256

      2846d29686b5eef885188d8c5dc0ff71e19a25d497490f99f99e837959a7b7ff

      SHA512

      ca0b62858ee4af691cd9dfa6c9325d4dbe1e2dd232c8f30e24156dc9560211666724e41e305467475760b80bdbed429887e2032191147c60504fb04e512ca620

    • C:\Users\Admin\AppData\Local\Temp\$$aC6E7.bat

      Filesize

      722B

      MD5

      b272ddf75c5441c497aab10862c69381

      SHA1

      a73fdbe1e8b14db51ee0a8fc00dedbf09f97557f

      SHA256

      9535d50eca72b5cce08c2ca5cc319ecbdb67677a66db3a92ead359294c5bd1b2

      SHA512

      b5619939727a5c1f88bd677a658d5424bdb19e46d71c40338a74ad8872187454d451a25d6b5c02c0d6019d4a762de3dc7ab7371257920fbbb8591ad64edb1683

    • C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe.exe

      Filesize

      360KB

      MD5

      5fbd45261a2de3bb42f489e825a9a935

      SHA1

      ff388f6e9efe651ec62c4152c1739783e7899293

      SHA256

      9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

      SHA512

      7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

    • C:\Windows\Logo1_.exe

      Filesize

      39KB

      MD5

      abb9a80df3006b0d301bdc994ed2c37f

      SHA1

      30946837d9bf8c65151ef22dd27416249087de89

      SHA256

      00b8befe4eb2c186c359ff3d0ac5257c740d950037741e847eac917789e2a6e2

      SHA512

      dc8aea8d76ed69814651d734492e4d1c0f1d9236d4098fa7dae2bf76070338e96e4e1e316bdc77be06109b203b2b1f340fb820660ab82e04b3d7375504d577f1

    • F:\$RECYCLE.BIN\S-1-5-21-3063565911-2056067323-3330884624-1000\_desktop.ini

      Filesize

      9B

      MD5

      82fa69b12ac2df558c85e86426eb13eb

      SHA1

      ad90b8756e3bebe04450f6950419c761844d7b7e

      SHA256

      f7622a3740b818722e46a36b5aeb1c0ba6bec25bec811e3dcfe0b5ba1d728775

      SHA512

      3c4da39d3b0d68ade3ff8ded69bf1e78a1ef88f7ed70c85572ae06e6be78155ffc2f557f577208e579191be2d8be2a1fa833b9ca74a35bb69cf9c32c23f4d99f

    • memory/1192-29-0x0000000002560000-0x0000000002561000-memory.dmp

      Filesize

      4KB

    • memory/2060-32-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2060-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2060-2806-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2060-4193-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2248-15-0x00000000001C0000-0x00000000001FD000-memory.dmp

      Filesize

      244KB

    • memory/2248-16-0x00000000001C0000-0x00000000001FD000-memory.dmp

      Filesize

      244KB

    • memory/2248-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2248-20-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB