Analysis

  • max time kernel
    151s
  • max time network
    216s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 12:44

General

  • Target

    1a52f1e2cc7669ab45b35949668ec991f0b55986c561144eda83427209498483.exe

  • Size

    261KB

  • MD5

    a2bbdf8062af242ffefdf2117a6b5062

  • SHA1

    59078f4500033425a3c669acefccd6e4c2bfad13

  • SHA256

    1a52f1e2cc7669ab45b35949668ec991f0b55986c561144eda83427209498483

  • SHA512

    14958c253b0733f8d4dcb4b5dc24aafc2a03fbe27526d36def02e439826bda3ba39570e68caa631356eeb260516398d0b1c57effe672ab6b330bddfae80e1a5e

  • SSDEEP

    3072:Q0TCW2KE3Wc5eJLHy182T7Ot5dBFjxj95AGXIYqYepinFx4MhWXsLLW:QWLE3Wc5U2PyzTYYHFhhWXsm

Malware Config

Signatures

  • CryptOne packer 8 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\1a52f1e2cc7669ab45b35949668ec991f0b55986c561144eda83427209498483.exe
    "C:\Users\Admin\AppData\Local\Temp\1a52f1e2cc7669ab45b35949668ec991f0b55986c561144eda83427209498483.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Users\Admin\AppData\Local\Temp\1a52f1e2cc7669ab45b35949668ec991f0b55986c561144eda83427209498483.exe
      "C:\Users\Admin\AppData\Local\Temp\1a52f1e2cc7669ab45b35949668ec991f0b55986c561144eda83427209498483.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4088
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4192
      • 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:2168
        • 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:3696
      • C:\Users\Admin\AppData\Local\Temp\1a52f1e2cc7669ab45b35949668ec991f0b55986c561144eda83427209498483.exe
        "C:\Users\Admin\AppData\Local\Temp\1a52f1e2cc7669ab45b35949668ec991f0b55986c561144eda83427209498483.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4576

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/1524-132-0x00000000001C0000-0x00000000001D4000-memory.dmp
    Filesize

    80KB

  • memory/2168-140-0x00000000006E0000-0x0000000000709000-memory.dmp
    Filesize

    164KB

  • memory/2168-155-0x00000000006E0000-0x0000000000709000-memory.dmp
    Filesize

    164KB

  • memory/2168-152-0x0000000000720000-0x000000000076E000-memory.dmp
    Filesize

    312KB

  • memory/2168-137-0x0000000000000000-mapping.dmp
  • memory/3696-149-0x00000000007C0000-0x00000000007E9000-memory.dmp
    Filesize

    164KB

  • memory/3696-139-0x0000000000000000-mapping.dmp
  • memory/3696-153-0x0000000000A10000-0x0000000000A5E000-memory.dmp
    Filesize

    312KB

  • memory/3696-141-0x00000000007C0000-0x00000000007E9000-memory.dmp
    Filesize

    164KB

  • memory/3696-143-0x00000000007C0000-0x00000000007E9000-memory.dmp
    Filesize

    164KB

  • memory/3696-142-0x00000000007C0000-0x00000000007E9000-memory.dmp
    Filesize

    164KB

  • memory/3696-144-0x00000000007C0000-0x00000000007E9000-memory.dmp
    Filesize

    164KB

  • memory/4088-134-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/4088-136-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/4088-151-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/4088-133-0x0000000000000000-mapping.dmp
  • memory/4192-138-0x0000000000000000-mapping.dmp
  • memory/4192-154-0x0000000001FF0000-0x000000000203E000-memory.dmp
    Filesize

    312KB

  • memory/4576-146-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/4576-148-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/4576-150-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/4576-145-0x0000000000000000-mapping.dmp
  • memory/4576-156-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB