Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 06:47

General

  • Target

    e421ee934b7ab1a577b03b9c89a20eb3a283f1ed9ed0faf365a573ec90cb26da.exe

  • Size

    173KB

  • MD5

    d1c6e0ce4ff9cc463a98694ac35bfa15

  • SHA1

    ff8672a8e252c9bf3dc3eefbbc0d237efda2a520

  • SHA256

    e421ee934b7ab1a577b03b9c89a20eb3a283f1ed9ed0faf365a573ec90cb26da

  • SHA512

    6d93aff9c1668d9de4922ddf5f4a35bffbd427524540d375bc9eca4fb620595887ecd957e18dcf48b2266eb0a4a8e2ba581d66af0b8b225e8de4dbde2a9b55ce

Malware Config

Signatures

  • CryptOne packer 10 IoCs

    Detects CryptOne packer defined in NCC blogpost.

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookAW 64 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e421ee934b7ab1a577b03b9c89a20eb3a283f1ed9ed0faf365a573ec90cb26da.exe
    "C:\Users\Admin\AppData\Local\Temp\e421ee934b7ab1a577b03b9c89a20eb3a283f1ed9ed0faf365a573ec90cb26da.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookAW
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Users\Admin\AppData\Local\Temp\e421ee934b7ab1a577b03b9c89a20eb3a283f1ed9ed0faf365a573ec90cb26da.exe
      "C:\Users\Admin\AppData\Local\Temp\e421ee934b7ab1a577b03b9c89a20eb3a283f1ed9ed0faf365a573ec90cb26da.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1984
      • 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:1188
        • C:\Windows\SysWOW64\mspaint.exe
          "C:\Windows\SysWOW64\mspaint.exe"
          4⤵
          • Deletes itself
          • Adds Run key to start application
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          PID:1640
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1844
      • C:\Users\Admin\AppData\Local\Temp\e421ee934b7ab1a577b03b9c89a20eb3a283f1ed9ed0faf365a573ec90cb26da.exe
        "C:\Users\Admin\AppData\Local\Temp\e421ee934b7ab1a577b03b9c89a20eb3a283f1ed9ed0faf365a573ec90cb26da.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1968

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/532-54-0x00000000766A1000-0x00000000766A3000-memory.dmp
    Filesize

    8KB

  • memory/1188-110-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1188-91-0x0000000000080000-0x00000000000AB000-memory.dmp
    Filesize

    172KB

  • memory/1188-344-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1188-107-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1188-154-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1188-73-0x0000000000000000-mapping.dmp
  • memory/1188-122-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1188-115-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1640-121-0x00000000007F0000-0x000000000083E000-memory.dmp
    Filesize

    312KB

  • memory/1640-128-0x00000000007F0000-0x000000000083E000-memory.dmp
    Filesize

    312KB

  • memory/1640-95-0x0000000000080000-0x00000000000AB000-memory.dmp
    Filesize

    172KB

  • memory/1640-78-0x0000000000000000-mapping.dmp
  • memory/1640-80-0x00000000000F1000-0x00000000000F3000-memory.dmp
    Filesize

    8KB

  • memory/1640-81-0x0000000000080000-0x00000000000AB000-memory.dmp
    Filesize

    172KB

  • memory/1640-82-0x0000000000080000-0x00000000000AB000-memory.dmp
    Filesize

    172KB

  • memory/1640-83-0x0000000000080000-0x00000000000AB000-memory.dmp
    Filesize

    172KB

  • memory/1640-84-0x0000000000080000-0x00000000000AB000-memory.dmp
    Filesize

    172KB

  • memory/1640-159-0x00000000007F0000-0x000000000083E000-memory.dmp
    Filesize

    312KB

  • memory/1640-346-0x00000000007F0000-0x000000000083E000-memory.dmp
    Filesize

    312KB

  • memory/1844-72-0x0000000000000000-mapping.dmp
  • memory/1844-68-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/1844-345-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/1844-93-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/1844-156-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/1844-114-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/1844-120-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/1844-127-0x0000000000210000-0x000000000025E000-memory.dmp
    Filesize

    312KB

  • memory/1968-99-0x0000000000410910-mapping.dmp
  • memory/1968-98-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1968-103-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1968-85-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1968-86-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1968-92-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1968-96-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1968-125-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1968-88-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1968-102-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1984-63-0x0000000000400000-0x000000000042B000-memory.dmp
    Filesize

    172KB

  • memory/1984-61-0x0000000000400000-0x000000000042B000-memory.dmp
    Filesize

    172KB

  • memory/1984-89-0x0000000000400000-0x000000000042B000-memory.dmp
    Filesize

    172KB

  • memory/1984-60-0x0000000000400000-0x000000000042B000-memory.dmp
    Filesize

    172KB

  • memory/1984-64-0x0000000000400000-0x000000000042B000-memory.dmp
    Filesize

    172KB

  • memory/1984-58-0x0000000000400000-0x000000000042B000-memory.dmp
    Filesize

    172KB

  • memory/1984-56-0x0000000000400000-0x000000000042B000-memory.dmp
    Filesize

    172KB

  • memory/1984-65-0x0000000000404DC0-mapping.dmp
  • memory/1984-55-0x0000000000400000-0x000000000042B000-memory.dmp
    Filesize

    172KB