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Analysis

  • max time kernel
    143s
  • max time network
    192s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 19:12

General

  • Target

    b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe

  • Size

    167KB

  • MD5

    e2a76045af016b0e1bb1a76b2d0f2365

  • SHA1

    2601e6cb3bdd24bb9963237e961fb28fa0f32ed6

  • SHA256

    b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e

  • SHA512

    630e58eca0cefca98e4cf468823e3875d19381c416d4c8ef3e73546b58bb077233d88a6d9e28d95fb736bffbbc672e2d4b3b2e0cd082837ab650abe5a01f4ec6

  • SSDEEP

    3072:vWSCPLt5LIBQr0h89rrORM0n9s1Ra6usnHts44Cqezvtykql3fM:vGPHLIBk0CHOC0n9y5RvtAf

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:464
  • 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:1224
    • C:\Users\Admin\AppData\Local\Temp\b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe
      "C:\Users\Admin\AppData\Local\Temp\b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.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:908
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    70421fdc2ac0f6820e03a792d8c01b07

    SHA1

    766a1e5aaa2999eeb0902acff4f977aa1d4f41bd

    SHA256

    e57f1f6f54ae167ea8e1b9fe7c43bb1597769fa71db10d56693debd83c534af3

    SHA512

    df729ed1528258cbd6a92be6840cb5f46f8dbbe06529b67c7eaf5bafc17f1bf65f7b682b884f8cbfe840f8d5196182f16b559d74404ea09f1c3ed57fdb538efe

  • 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/908-54-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/908-55-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/908-56-0x0000000000230000-0x0000000000260000-memory.dmp

    Filesize

    192KB

  • memory/908-59-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/908-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/908-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB