Analysis

  • max time kernel
    192s
  • max time network
    207s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 23:52

General

  • Target

    293430a373e0e5f552a8791c2ba42f2ff75e48d5e07036095fa57ce266050816.exe

  • Size

    180KB

  • MD5

    c6f134b71467b6fdfbe311f0422f659c

  • SHA1

    9b882b5dddd125d3f670eca3c13658b7252afcda

  • SHA256

    293430a373e0e5f552a8791c2ba42f2ff75e48d5e07036095fa57ce266050816

  • SHA512

    3ba87e4eb049debe420804438415cd007d1faf9d997be327834addf4c492545d29ea04dd74cfdea95eb335e4a8252d89228d1e410a00748428736c230dd0c488

  • SSDEEP

    3072:2yshVg7DPPiyUKs/OIXMhx3zZYKOUrX/n+eOrD+fBRbZ:BshS7DGiuUj/+vrDK

Malware Config

Signatures

  • CryptOne packer 13 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 6 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\293430a373e0e5f552a8791c2ba42f2ff75e48d5e07036095fa57ce266050816.exe
    "C:\Users\Admin\AppData\Local\Temp\293430a373e0e5f552a8791c2ba42f2ff75e48d5e07036095fa57ce266050816.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\AppData\Local\Temp\293430a373e0e5f552a8791c2ba42f2ff75e48d5e07036095fa57ce266050816.exe
      "C:\Users\Admin\AppData\Local\Temp\293430a373e0e5f552a8791c2ba42f2ff75e48d5e07036095fa57ce266050816.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\SysWOW64\calc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1688
      • 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:1676
        • 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:1500
      • C:\Users\Admin\AppData\Local\Temp\293430a373e0e5f552a8791c2ba42f2ff75e48d5e07036095fa57ce266050816.exe
        "C:\Users\Admin\AppData\Local\Temp\293430a373e0e5f552a8791c2ba42f2ff75e48d5e07036095fa57ce266050816.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1512

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/584-68-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-104-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-69-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-59-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-60-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-63-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-62-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-64-0x0000000000404BF0-mapping.dmp
  • memory/584-54-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-67-0x00000000767D1000-0x00000000767D3000-memory.dmp
    Filesize

    8KB

  • memory/584-57-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/584-55-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1500-221-0x0000000000330000-0x000000000037E000-memory.dmp
    Filesize

    312KB

  • memory/1500-131-0x0000000000330000-0x000000000037E000-memory.dmp
    Filesize

    312KB

  • memory/1500-338-0x0000000000330000-0x000000000037E000-memory.dmp
    Filesize

    312KB

  • memory/1500-80-0x0000000000000000-mapping.dmp
  • memory/1500-82-0x0000000000771000-0x0000000000773000-memory.dmp
    Filesize

    8KB

  • memory/1500-83-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1500-84-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1500-86-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1500-122-0x0000000000330000-0x000000000037E000-memory.dmp
    Filesize

    312KB

  • memory/1500-89-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1500-85-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1512-124-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1512-90-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1512-91-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1512-93-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1512-95-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1512-97-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1512-100-0x0000000000410910-mapping.dmp
  • memory/1512-99-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1512-103-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1512-105-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1672-65-0x00000000001C0000-0x00000000001D4000-memory.dmp
    Filesize

    80KB

  • memory/1676-87-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1676-72-0x0000000000000000-mapping.dmp
  • memory/1676-336-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1676-118-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1676-109-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1676-125-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1676-335-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1676-219-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1676-112-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1688-128-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1688-130-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1688-126-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1688-220-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1688-73-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/1688-75-0x0000000000000000-mapping.dmp
  • memory/1688-116-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1688-337-0x00000000001E0000-0x000000000022E000-memory.dmp
    Filesize

    312KB

  • memory/1688-88-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB