Analysis

  • max time kernel
    151s
  • max time network
    188s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 04:00

General

  • Target

    ad4867a256b66212c709c8308cfb1d3f827705eb7e6c21e2fa1ce43963f9351c.exe

  • Size

    199KB

  • MD5

    0f281b373ea675941571b49ada22628f

  • SHA1

    19169e9fbc81ac7aeda5b3f6c1a1f742412519b3

  • SHA256

    ad4867a256b66212c709c8308cfb1d3f827705eb7e6c21e2fa1ce43963f9351c

  • SHA512

    6d06db45aee072951a5c35930ccd9f697595c5427ed56be02d96012bb71277b15863e4075c27c181c9cbd1f42056381cd0790d693c70817ba47a2ba6bb5cc737

  • SSDEEP

    6144:r0Mpl/l/mN0rFYnLp1n3vawvxhPgj/jQj:hELLzn3vak3gnq

Malware Config

Signatures

  • CryptOne packer 7 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookAW 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad4867a256b66212c709c8308cfb1d3f827705eb7e6c21e2fa1ce43963f9351c.exe
    "C:\Users\Admin\AppData\Local\Temp\ad4867a256b66212c709c8308cfb1d3f827705eb7e6c21e2fa1ce43963f9351c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookAW
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Adds Run key to start application
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\SysWOW64\notepad.exe
        "C:\Windows\SysWOW64\notepad.exe"
        3⤵
        • Deletes itself
        • Adds Run key to start application
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:2008
    • C:\Windows\SysWOW64\calc.exe
      "C:\Windows\SysWOW64\calc.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1272
    • C:\Users\Admin\AppData\Local\Temp\ad4867a256b66212c709c8308cfb1d3f827705eb7e6c21e2fa1ce43963f9351c.exe
      "C:\Users\Admin\AppData\Local\Temp\ad4867a256b66212c709c8308cfb1d3f827705eb7e6c21e2fa1ce43963f9351c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1700

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/1240-106-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1240-97-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1240-101-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1240-56-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1240-60-0x0000000000000000-mapping.dmp
  • memory/1240-92-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1240-122-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1240-65-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1240-113-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1240-331-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1240-129-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1240-125-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1240-118-0x0000000000130000-0x000000000017E000-memory.dmp
    Filesize

    312KB

  • memory/1272-61-0x0000000000000000-mapping.dmp
  • memory/1272-117-0x0000000000690000-0x00000000006DE000-memory.dmp
    Filesize

    312KB

  • memory/1272-128-0x0000000000690000-0x00000000006DE000-memory.dmp
    Filesize

    312KB

  • memory/1272-108-0x0000000000690000-0x00000000006DE000-memory.dmp
    Filesize

    312KB

  • memory/1272-66-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/1272-103-0x0000000000690000-0x00000000006DE000-memory.dmp
    Filesize

    312KB

  • memory/1272-332-0x0000000000690000-0x00000000006DE000-memory.dmp
    Filesize

    312KB

  • memory/1272-57-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/1272-334-0x00000000006C8000-0x00000000006CA000-memory.dmp
    Filesize

    8KB

  • memory/1668-88-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1668-64-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1668-55-0x00000000001C0000-0x00000000001D9000-memory.dmp
    Filesize

    100KB

  • memory/1668-54-0x0000000075601000-0x0000000075603000-memory.dmp
    Filesize

    8KB

  • memory/1700-78-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-76-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-83-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-91-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-114-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-81-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-85-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-90-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-75-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1700-86-0x0000000000410910-mapping.dmp
  • memory/2008-126-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/2008-74-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/2008-121-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/2008-73-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/2008-72-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/2008-71-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/2008-69-0x0000000000000000-mapping.dmp
  • memory/2008-110-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/2008-333-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/2008-80-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB