Analysis

  • max time kernel
    139s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 22:19

General

  • Target

    8f8ef3b449352f7379dfa85ec4cb2eb00e4901db3ecc2f68cc81be62f359f898.exe

  • Size

    203KB

  • MD5

    c644cf7a01d379255db64b79f5f431d5

  • SHA1

    788d4e0891d73b7498f0e2f9bbd132ce6b7935f1

  • SHA256

    8f8ef3b449352f7379dfa85ec4cb2eb00e4901db3ecc2f68cc81be62f359f898

  • SHA512

    c6794424f482aac8e4e99022ef7873185746700a6c3c1b6a8533bcc67156aadf830ddc6e29b7380efe68afade35571ee19996790403213ffefe6933ac506f071

  • SSDEEP

    3072:6zfREw4n3yy83FopwjAmuUxyUJgTO2i5d17b8ThED3cCzfDYGiV4jZqMNRsEf:qRPv8wjA+xyUUi5dhb8ThkMCjdWYvj

Malware Config

Signatures

  • CryptOne packer 11 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\8f8ef3b449352f7379dfa85ec4cb2eb00e4901db3ecc2f68cc81be62f359f898.exe
    "C:\Users\Admin\AppData\Local\Temp\8f8ef3b449352f7379dfa85ec4cb2eb00e4901db3ecc2f68cc81be62f359f898.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\8f8ef3b449352f7379dfa85ec4cb2eb00e4901db3ecc2f68cc81be62f359f898.exe
      "C:\Users\Admin\AppData\Local\Temp\8f8ef3b449352f7379dfa85ec4cb2eb00e4901db3ecc2f68cc81be62f359f898.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1792
      • 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:1544
        • 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:1752
      • C:\Users\Admin\AppData\Local\Temp\8f8ef3b449352f7379dfa85ec4cb2eb00e4901db3ecc2f68cc81be62f359f898.exe
        "C:\Users\Admin\AppData\Local\Temp\8f8ef3b449352f7379dfa85ec4cb2eb00e4901db3ecc2f68cc81be62f359f898.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:900

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/900-126-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/900-96-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/900-94-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/900-99-0x0000000000410910-mapping.dmp
  • memory/900-92-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/900-88-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/900-98-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/900-86-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/900-103-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/900-104-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1148-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-56-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-58-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-101-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-61-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-68-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-64-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1148-65-0x0000000000404BF0-mapping.dmp
  • memory/1544-114-0x0000000000300000-0x000000000034E000-memory.dmp
    Filesize

    312KB

  • memory/1544-121-0x0000000000300000-0x000000000034E000-memory.dmp
    Filesize

    312KB

  • memory/1544-87-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1544-74-0x0000000000000000-mapping.dmp
  • memory/1544-338-0x0000000000300000-0x000000000034E000-memory.dmp
    Filesize

    312KB

  • memory/1544-128-0x0000000000300000-0x000000000034E000-memory.dmp
    Filesize

    312KB

  • memory/1544-175-0x0000000000300000-0x000000000034E000-memory.dmp
    Filesize

    312KB

  • memory/1752-91-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1752-81-0x00000000002C1000-0x00000000002C3000-memory.dmp
    Filesize

    8KB

  • memory/1752-339-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1752-85-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1752-84-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1752-179-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1752-127-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1752-83-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1752-79-0x0000000000000000-mapping.dmp
  • memory/1752-82-0x00000000000D0000-0x00000000000F9000-memory.dmp
    Filesize

    164KB

  • memory/1752-120-0x00000000001D0000-0x000000000021E000-memory.dmp
    Filesize

    312KB

  • memory/1792-112-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1792-125-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1792-118-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1792-171-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1792-73-0x0000000000000000-mapping.dmp
  • memory/1792-109-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1792-337-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1792-70-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/1792-89-0x00000000000C0000-0x00000000000C2000-memory.dmp
    Filesize

    8KB

  • memory/2044-54-0x0000000075F81000-0x0000000075F83000-memory.dmp
    Filesize

    8KB