Analysis

  • max time kernel
    165s
  • max time network
    213s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 06:25

General

  • Target

    baa6615943306b28442a2afeaeaca01d5b55095349f953a38e7f53dfdcedf334.exe

  • Size

    213KB

  • MD5

    39f524f427276be06111a023a5eb3dda

  • SHA1

    97d45ccb4b9819de23accb0707043a2681bfedeb

  • SHA256

    baa6615943306b28442a2afeaeaca01d5b55095349f953a38e7f53dfdcedf334

  • SHA512

    5dfb53adcafdd30887d2b4492e859a458f0a93dd5579f31dffbe8f3d6f8e432f02ceda957baf57ba4b5538b2a2e9561db7e5c4a473a90ad01cd5ce4de906124b

  • SSDEEP

    6144:XinTUy3cAG/eXVLOPWmO7cM5oWz0xZZkfy/K/o+:6TU1mXVKO7P5lA2d

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 18 IoCs
  • Modifies security service 2 TTPs 18 IoCs
  • Executes dropped EXE 2 IoCs
  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Deletes itself 1 IoCs
  • Unexpected DNS network traffic destination 9 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
    • Modifies firewall policy service
    • Modifies security service
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:460
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\baa6615943306b28442a2afeaeaca01d5b55095349f953a38e7f53dfdcedf334.exe
      "C:\Users\Admin\AppData\Local\Temp\baa6615943306b28442a2afeaeaca01d5b55095349f953a38e7f53dfdcedf334.exe"
      2⤵
      • Registers COM server for autorun
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:624

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-18\$8c508dde2ce992e35b79435a5d2d0943\@

          Filesize

          2KB

          MD5

          d4a696dea01b5589c5637e48505495ba

          SHA1

          f6ef9f86b11b649d2c5919a44cce8b00f822d2b8

          SHA256

          dd56cf56048ed77af39ca3c007929448566cd31979ca986140efce7045c760e2

          SHA512

          2af02e706924a66ed03f0b62369b4822328964a7299f919dff726a9ee5cef6828fc0abf1df704a92accb6d129763fe486519624161b5e15641ba2f9a48c600f7

        • C:\$Recycle.Bin\S-1-5-18\$8c508dde2ce992e35b79435a5d2d0943\n

          Filesize

          41KB

          MD5

          fb4e3236959152a057bc6b7603c538ef

          SHA1

          b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

          SHA256

          8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

          SHA512

          993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

        • C:\$Recycle.Bin\S-1-5-21-3406023954-474543476-3319432036-1000\$8c508dde2ce992e35b79435a5d2d0943\n

          Filesize

          41KB

          MD5

          fb4e3236959152a057bc6b7603c538ef

          SHA1

          b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

          SHA256

          8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

          SHA512

          993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

        • \$Recycle.Bin\S-1-5-18\$8c508dde2ce992e35b79435a5d2d0943\n

          Filesize

          41KB

          MD5

          fb4e3236959152a057bc6b7603c538ef

          SHA1

          b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

          SHA256

          8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

          SHA512

          993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

        • \$Recycle.Bin\S-1-5-21-3406023954-474543476-3319432036-1000\$8c508dde2ce992e35b79435a5d2d0943\n

          Filesize

          41KB

          MD5

          fb4e3236959152a057bc6b7603c538ef

          SHA1

          b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

          SHA256

          8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

          SHA512

          993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

        • memory/1392-54-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1392-55-0x0000000000390000-0x00000000003CD000-memory.dmp

          Filesize

          244KB

        • memory/1392-58-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1392-59-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1392-64-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB