Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 08:08

General

  • Target

    e35f1cabe359f5f777a5c4baf3b5fb3fd3b8d8f87d6359d4a3fc2f1080fdeeed.exe

  • Size

    200KB

  • MD5

    8d36e6b5fda8f4df23190fe046e84dfb

  • SHA1

    15ebe06af0ff95d8b428884d9f4e3dd032b7e41a

  • SHA256

    e35f1cabe359f5f777a5c4baf3b5fb3fd3b8d8f87d6359d4a3fc2f1080fdeeed

  • SHA512

    a7fefa1dfa8aa96c64151df67b240e226ae85073f1cf7db3ef4cdad90918a957b311f37b57431db6f962af6f348d01e02da7b0c3233524e6ec7d1fd84160286d

  • SSDEEP

    3072:THlma2Qygs0OLRwLiH2yIAT9X4tk+shCh+gsDlUzv/4AEuekNSxaCW:THlma2WhxiT8k+f9KlUrZOkNSs

Malware Config

Signatures

  • CryptOne packer 12 IoCs

    Detects CryptOne packer defined in NCC blogpost.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e35f1cabe359f5f777a5c4baf3b5fb3fd3b8d8f87d6359d4a3fc2f1080fdeeed.exe
    "C:\Users\Admin\AppData\Local\Temp\e35f1cabe359f5f777a5c4baf3b5fb3fd3b8d8f87d6359d4a3fc2f1080fdeeed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\e35f1cabe359f5f777a5c4baf3b5fb3fd3b8d8f87d6359d4a3fc2f1080fdeeed.exe
      "C:\Users\Admin\AppData\Local\Temp\e35f1cabe359f5f777a5c4baf3b5fb3fd3b8d8f87d6359d4a3fc2f1080fdeeed.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\SysWOW64\svchost.exe"
        3⤵
        • Adds Run key to start application
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1168
        • C:\Windows\SysWOW64\mspaint.exe
          "C:\Windows\SysWOW64\mspaint.exe"
          4⤵
          • Adds Run key to start application
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          PID:1688
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:528
      • C:\Users\Admin\AppData\Local\Temp\e35f1cabe359f5f777a5c4baf3b5fb3fd3b8d8f87d6359d4a3fc2f1080fdeeed.exe
        "C:\Users\Admin\AppData\Local\Temp\e35f1cabe359f5f777a5c4baf3b5fb3fd3b8d8f87d6359d4a3fc2f1080fdeeed.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:676

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/528-69-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/528-348-0x0000000000310000-0x000000000035E000-memory.dmp
    Filesize

    312KB

  • memory/528-165-0x0000000000310000-0x000000000035E000-memory.dmp
    Filesize

    312KB

  • memory/528-73-0x0000000000000000-mapping.dmp
  • memory/528-127-0x0000000000310000-0x000000000035E000-memory.dmp
    Filesize

    312KB

  • memory/528-121-0x0000000000310000-0x000000000035E000-memory.dmp
    Filesize

    312KB

  • memory/528-115-0x0000000000310000-0x000000000035E000-memory.dmp
    Filesize

    312KB

  • memory/528-105-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/676-104-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/676-88-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/676-102-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/676-126-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/676-98-0x0000000000410910-mapping.dmp
  • memory/676-97-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/676-95-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/676-93-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/676-91-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/676-89-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/852-76-0x0000000000230000-0x0000000000244000-memory.dmp
    Filesize

    80KB

  • memory/852-54-0x0000000074E41000-0x0000000074E43000-memory.dmp
    Filesize

    8KB

  • memory/1168-72-0x0000000000000000-mapping.dmp
  • memory/1168-347-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1168-338-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1168-161-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1168-119-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1168-128-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1168-78-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1168-113-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1168-110-0x0000000000200000-0x000000000024E000-memory.dmp
    Filesize

    312KB

  • memory/1216-77-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-65-0x0000000000404BF0-mapping.dmp
  • memory/1216-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-100-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-64-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1216-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1688-129-0x0000000000280000-0x00000000002CE000-memory.dmp
    Filesize

    312KB

  • memory/1688-103-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1688-81-0x0000000000000000-mapping.dmp
  • memory/1688-83-0x0000000000A11000-0x0000000000A13000-memory.dmp
    Filesize

    8KB

  • memory/1688-84-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1688-122-0x0000000000280000-0x00000000002CE000-memory.dmp
    Filesize

    312KB

  • memory/1688-169-0x0000000000280000-0x00000000002CE000-memory.dmp
    Filesize

    312KB

  • memory/1688-85-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1688-87-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1688-86-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1688-349-0x0000000000280000-0x00000000002CE000-memory.dmp
    Filesize

    312KB