Analysis

  • max time kernel
    137s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 20:18

General

  • Target

    a2a9de151c592b7b30fb5b4d3585554fe63a45df11d28c46a3e3b7e631150cf4.exe

  • Size

    198KB

  • MD5

    bfc426e0bc8e604e2222ce9ae6d326fd

  • SHA1

    7d857718fb2711f782cd95dcec052604d9987632

  • SHA256

    a2a9de151c592b7b30fb5b4d3585554fe63a45df11d28c46a3e3b7e631150cf4

  • SHA512

    cec223f2b78a2d726726574461ccfe99e84c7eb5c4f07eeba5bdf407dff80885966c0ea85209dfa92dde62b229963387afacbf187dbbce03de910ae6556d4b7f

  • SSDEEP

    3072:6K2ADaRP/PSgBTvw7QbU7A0xogY4hrmZzgOJR0Dwy4enem5oaUpkqU:dh0P/6gC6UMcPrmZxJi5rCkv

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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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:472
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\a2a9de151c592b7b30fb5b4d3585554fe63a45df11d28c46a3e3b7e631150cf4.exe
      "C:\Users\Admin\AppData\Local\Temp\a2a9de151c592b7b30fb5b4d3585554fe63a45df11d28c46a3e3b7e631150cf4.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:1716
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\@

    Filesize

    2KB

    MD5

    c36b43a3a7967bc45d1dd9c936c51737

    SHA1

    7e10a0aef067f4a8d51a2cec0c423fb1080f7e62

    SHA256

    f64a8815d6e46b6e6c49917fddec2b88fad5050e5a18bcfa7c7ca3778ddd41ba

    SHA512

    76946892a4044e13d79d091c40dfcd15fd0bf963a949ce50b0d90284fe46d450433993b0afc11f474edc702cb2d44feca0c0adfad2a83729daadf91a60d7176b

  • C:\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • C:\$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • \$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • \$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/240-63-0x0000000000000000-mapping.dmp

  • memory/1716-54-0x00000000765B1000-0x00000000765B3000-memory.dmp

    Filesize

    8KB

  • memory/1716-55-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1716-56-0x0000000000230000-0x0000000000267000-memory.dmp

    Filesize

    220KB

  • memory/1716-62-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1716-64-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1716-65-0x0000000000230000-0x0000000000267000-memory.dmp

    Filesize

    220KB