Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    66s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 22:01

General

  • Target

    a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe

  • Size

    137KB

  • MD5

    91e66d1b95b3a5fe0a2d1b24a6954360

  • SHA1

    efd5948f2f0e6150a95977a6b4b77b26f7c81a14

  • SHA256

    a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff

  • SHA512

    3731cf177145becd34536d06fe242b1f7cd8fb557d0a1b0a7527eec5eff7db435e13f263f3e15692f4bd0bf976e232f0630f7f50387e54fb940da523122998db

  • SSDEEP

    3072:HKIx3w835x4UrstfBS1xgMhx/Mb6H1f51HUL8HVClTsdVKILrzcVlfnJGlYy/:HFQUeJID86HNLmTsdYILIRJGlY

Score
8/10

Malware Config

Signatures

  • 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 use of AdjustPrivilegeToken 8 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⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:464
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1256
    • C:\Users\Admin\AppData\Local\Temp\a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe
      "C:\Users\Admin\AppData\Local\Temp\a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.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:1624
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:1620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-18\$bb8ab67ad8382496fd4eead6952e3208\@

    Filesize

    2KB

    MD5

    2bc52647987d212c95a0e97c860594de

    SHA1

    3adbc23ab1e9a53a4cb386d12ea944c8c3f175ca

    SHA256

    fd05320f451041fb0e11fe9e88a485504c99f31e28af6106d412c6cb40fe3497

    SHA512

    c4ee00139978910498280bd5cb6ad3a6ae64e9dd321ab018d35e9775b14aa5fa869be9c1bfecd1df0b567e959ad9d954ce81ac8c811fb0c2e30d5720d161ae1b

  • C:\$Recycle.Bin\S-1-5-18\$bb8ab67ad8382496fd4eead6952e3208\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • C:\$Recycle.Bin\S-1-5-21-3845472200-3839195424-595303356-1000\$bb8ab67ad8382496fd4eead6952e3208\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • \$Recycle.Bin\S-1-5-18\$bb8ab67ad8382496fd4eead6952e3208\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • \$Recycle.Bin\S-1-5-21-3845472200-3839195424-595303356-1000\$bb8ab67ad8382496fd4eead6952e3208\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/1624-54-0x0000000076041000-0x0000000076043000-memory.dmp

    Filesize

    8KB

  • memory/1624-55-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1624-62-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1624-64-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB