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Analysis

  • max time kernel
    162s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 22:23

General

  • Target

    04a88978fa3aa202f80e68a53bc5f9e6a7f7746862b5ccf9025aaebffb3cc0f1.exe

  • Size

    73KB

  • MD5

    1c3775989e03de799a62061ef7bb2321

  • SHA1

    fdf0a1fe8d0080d1722251758ee394ef4c4aa008

  • SHA256

    04a88978fa3aa202f80e68a53bc5f9e6a7f7746862b5ccf9025aaebffb3cc0f1

  • SHA512

    279f3c4de2ff6d7790b2b9a5d4eba0cc1f57e7db90eeb5d1ee0ecdb786faecddeb18aa777e80a7dd1bff41c64898112d92371348dcd7f91e09c051b1eff2df7b

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO:RshfSWHHNvoLqNwDDGw02eQmh0HjWO

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04a88978fa3aa202f80e68a53bc5f9e6a7f7746862b5ccf9025aaebffb3cc0f1.exe
    "C:\Users\Admin\AppData\Local\Temp\04a88978fa3aa202f80e68a53bc5f9e6a7f7746862b5ccf9025aaebffb3cc0f1.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    86KB

    MD5

    f153d6c330a3208bfe0ab586b402fcf8

    SHA1

    8b2ad0bd24bfac5bce174b3dd597557c30cf5b2b

    SHA256

    51a8d1df396e6428d029a05c1f099d0b4b4166845e4269834441422913c9e5c7

    SHA512

    cf4f298d63d8bc342ae24e5d1f87254b0d8075edda5d23ce616bc7b8b065d7511b997ac7cb29b0df39fa6d00c7c9028acd9e961b412f34d602a6374ca549c54d

  • C:\Windows\system\rundll32.exe

    Filesize

    80KB

    MD5

    f14dde8b0f083bfcfa65979dcc7f751e

    SHA1

    640499a912003b791cefea8742e0a115811cc012

    SHA256

    924b5bd097650ee3f5c04f4469490a513314adddf77b77e39b78207c9629a6b9

    SHA512

    7018f20063945383ef9c830b9d69decf25274b0a2546488c70d4e536c8d6e5165516fddc45429f1fc8a5de409d7bde222f83f61b568a9d7e35254b86366518e2

  • C:\Windows\system\rundll32.exe

    Filesize

    80KB

    MD5

    f14dde8b0f083bfcfa65979dcc7f751e

    SHA1

    640499a912003b791cefea8742e0a115811cc012

    SHA256

    924b5bd097650ee3f5c04f4469490a513314adddf77b77e39b78207c9629a6b9

    SHA512

    7018f20063945383ef9c830b9d69decf25274b0a2546488c70d4e536c8d6e5165516fddc45429f1fc8a5de409d7bde222f83f61b568a9d7e35254b86366518e2

  • \Windows\system\rundll32.exe

    Filesize

    80KB

    MD5

    f14dde8b0f083bfcfa65979dcc7f751e

    SHA1

    640499a912003b791cefea8742e0a115811cc012

    SHA256

    924b5bd097650ee3f5c04f4469490a513314adddf77b77e39b78207c9629a6b9

    SHA512

    7018f20063945383ef9c830b9d69decf25274b0a2546488c70d4e536c8d6e5165516fddc45429f1fc8a5de409d7bde222f83f61b568a9d7e35254b86366518e2

  • \Windows\system\rundll32.exe

    Filesize

    80KB

    MD5

    f14dde8b0f083bfcfa65979dcc7f751e

    SHA1

    640499a912003b791cefea8742e0a115811cc012

    SHA256

    924b5bd097650ee3f5c04f4469490a513314adddf77b77e39b78207c9629a6b9

    SHA512

    7018f20063945383ef9c830b9d69decf25274b0a2546488c70d4e536c8d6e5165516fddc45429f1fc8a5de409d7bde222f83f61b568a9d7e35254b86366518e2

  • memory/2228-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2228-11-0x0000000000240000-0x0000000000256000-memory.dmp

    Filesize

    88KB

  • memory/2228-18-0x0000000000240000-0x0000000000256000-memory.dmp

    Filesize

    88KB

  • memory/2228-21-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2228-22-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2260-20-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2260-23-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB