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Resubmissions

19/10/2022, 05:21

221019-f2f5ssfchl 10

13/10/2022, 08:23

221013-j98rkabee4 1

11/10/2022, 23:51

221011-3v5adabff8 3

Analysis

  • max time kernel
    600s
  • max time network
    603s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2022, 08:23

General

  • Target

    cossacks.dat.dll

  • Size

    743KB

  • MD5

    25d8d740a5611fb6ab2e6df583c24a00

  • SHA1

    41142c72f3f37fad22b01c6bd9eaf572551ff465

  • SHA256

    9ebb684f13367a8b7817b787a5374f9072f9338d657c255403d991f50f6ce80c

  • SHA512

    2de372428bac53af5fca71e443c6f9d7ebed9bf75faf76295c5f87aad1b1a51d6c6bbe5eb418cf9a5b65d29f81bb69a2bd64cfa9cdb640c9c259f2c43f57856b

  • SSDEEP

    12288:e+4QHixeljmtjVFJcPp+cygICZoxlSr9p6q6xMZXJMeGbX//7OT:5DXjmtjVD3cygICZwSJp6q6yZXJM5T/c

Score
1/10

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 33 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cossacks.dat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cossacks.dat.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1760
      • C:\Windows\SysWOW64\wermgr.exe
        C:\Windows\SysWOW64\wermgr.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1280
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:916

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/916-62-0x000007FEFB651000-0x000007FEFB653000-memory.dmp

    Filesize

    8KB

  • memory/916-64-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/916-63-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/1280-69-0x0000000000080000-0x00000000000A9000-memory.dmp

    Filesize

    164KB

  • memory/1280-68-0x0000000000080000-0x00000000000A9000-memory.dmp

    Filesize

    164KB

  • memory/1760-57-0x00000000003F0000-0x0000000000419000-memory.dmp

    Filesize

    164KB

  • memory/1760-61-0x00000000003F0000-0x0000000000419000-memory.dmp

    Filesize

    164KB

  • memory/1760-60-0x00000000002F0000-0x0000000000319000-memory.dmp

    Filesize

    164KB

  • memory/1760-59-0x00000000003F0000-0x0000000000419000-memory.dmp

    Filesize

    164KB

  • memory/1760-58-0x00000000003F0000-0x0000000000419000-memory.dmp

    Filesize

    164KB

  • memory/1760-67-0x00000000003F0000-0x0000000000419000-memory.dmp

    Filesize

    164KB

  • memory/1760-56-0x00000000001C0000-0x000000000027E000-memory.dmp

    Filesize

    760KB

  • memory/1760-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

    Filesize

    8KB