Analysis

  • max time kernel
    175s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 12:08

General

  • Target

    815034ff8c9402429919a3cfb8fcee61fd1c9d845421ec271140e90d8038b650.exe

  • Size

    184KB

  • MD5

    8d65c6f7d838d6982e4bd4aa95b61fcb

  • SHA1

    269b82089574b05c8e6e87e6bf913e47976e62d0

  • SHA256

    815034ff8c9402429919a3cfb8fcee61fd1c9d845421ec271140e90d8038b650

  • SHA512

    c25a92a716303e33c405302a52f619065acb1881efeaeaa621c88e4b47122d8b307385766cc0608dc3a3744c4e15d4af6806b16c7f9372358613047db5ef5b40

  • SSDEEP

    3072:JxUHhqoy+93APiDIZJhyirBBK/7Xf8umddy4QvZm3pTF9YvfcTnXAM:Jx5u3mFrBc/7Xf8umdUwZTLYCXL

Malware Config

Signatures

  • CryptOne packer 6 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 9 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\815034ff8c9402429919a3cfb8fcee61fd1c9d845421ec271140e90d8038b650.exe
    "C:\Users\Admin\AppData\Local\Temp\815034ff8c9402429919a3cfb8fcee61fd1c9d845421ec271140e90d8038b650.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:312
    • C:\Users\Admin\AppData\Local\Temp\815034ff8c9402429919a3cfb8fcee61fd1c9d845421ec271140e90d8038b650.exe
      "C:\Users\Admin\AppData\Local\Temp\815034ff8c9402429919a3cfb8fcee61fd1c9d845421ec271140e90d8038b650.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4872
      • 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:4244
        • 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:4832
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4852
      • C:\Users\Admin\AppData\Local\Temp\815034ff8c9402429919a3cfb8fcee61fd1c9d845421ec271140e90d8038b650.exe
        "C:\Users\Admin\AppData\Local\Temp\815034ff8c9402429919a3cfb8fcee61fd1c9d845421ec271140e90d8038b650.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3272

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/312-135-0x0000000004D10000-0x0000000004D2A000-memory.dmp
    Filesize

    104KB

  • memory/3272-144-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/3272-151-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/3272-150-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/3272-149-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/3272-143-0x0000000000000000-mapping.dmp
  • memory/4244-152-0x0000000000CB0000-0x0000000000CFE000-memory.dmp
    Filesize

    312KB

  • memory/4244-136-0x0000000000000000-mapping.dmp
  • memory/4244-147-0x0000000000C70000-0x0000000000C99000-memory.dmp
    Filesize

    164KB

  • memory/4832-138-0x0000000000000000-mapping.dmp
  • memory/4832-142-0x0000000000D70000-0x0000000000D99000-memory.dmp
    Filesize

    164KB

  • memory/4832-141-0x0000000000D70000-0x0000000000D99000-memory.dmp
    Filesize

    164KB

  • memory/4832-140-0x0000000000D70000-0x0000000000D99000-memory.dmp
    Filesize

    164KB

  • memory/4832-139-0x0000000000D70000-0x0000000000D99000-memory.dmp
    Filesize

    164KB

  • memory/4832-148-0x0000000000D70000-0x0000000000D99000-memory.dmp
    Filesize

    164KB

  • memory/4832-154-0x0000000002C00000-0x0000000002C4E000-memory.dmp
    Filesize

    312KB

  • memory/4832-155-0x0000000002C00000-0x0000000002C4E000-memory.dmp
    Filesize

    312KB

  • memory/4852-137-0x0000000000000000-mapping.dmp
  • memory/4852-153-0x0000000000870000-0x00000000008BE000-memory.dmp
    Filesize

    312KB

  • memory/4872-145-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/4872-132-0x0000000000000000-mapping.dmp
  • memory/4872-133-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB