Analysis

  • max time kernel
    183s
  • max time network
    198s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 00:18

General

  • Target

    259a930eea98f28ab0cc8fe72164f76efee956facd186963d3519aaaefeda780.exe

  • Size

    271KB

  • MD5

    301ce90c2d6ddbae41624ff04fc015e7

  • SHA1

    076fbcbbb2d82a052abfff2c1a3587e1534c5734

  • SHA256

    259a930eea98f28ab0cc8fe72164f76efee956facd186963d3519aaaefeda780

  • SHA512

    ec19b87be4b4e36efb58a179bd2b56096baabf698f435a5365eabdcc4754b9af2999fc68ef1cf0f94d30b7eeec4363f6bccf4085fb86adf76b78ca1499165a03

  • SSDEEP

    3072:ONQKJ8iNgYHaBCxaBlHAqHTv79rbcZp9QHi3eSLeDsHH1zprvktL5:OyKJwYkCk7rYZp9QhG8s1zetL5

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 WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\259a930eea98f28ab0cc8fe72164f76efee956facd186963d3519aaaefeda780.exe
    "C:\Users\Admin\AppData\Local\Temp\259a930eea98f28ab0cc8fe72164f76efee956facd186963d3519aaaefeda780.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1192
    • 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:1764
      • 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:1172
    • C:\Windows\SysWOW64\calc.exe
      "C:\Windows\SysWOW64\calc.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2032
    • C:\Users\Admin\AppData\Local\Temp\259a930eea98f28ab0cc8fe72164f76efee956facd186963d3519aaaefeda780.exe
      "C:\Users\Admin\AppData\Local\Temp\259a930eea98f28ab0cc8fe72164f76efee956facd186963d3519aaaefeda780.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1756

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/1172-73-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1172-329-0x0000000000260000-0x00000000002AE000-memory.dmp
    Filesize

    312KB

  • memory/1172-153-0x0000000000260000-0x00000000002AE000-memory.dmp
    Filesize

    312KB

  • memory/1172-124-0x0000000000260000-0x00000000002AE000-memory.dmp
    Filesize

    312KB

  • memory/1172-120-0x0000000000260000-0x00000000002AE000-memory.dmp
    Filesize

    312KB

  • memory/1172-110-0x0000000000260000-0x00000000002AE000-memory.dmp
    Filesize

    312KB

  • memory/1172-92-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1172-75-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1172-74-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1172-72-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/1172-70-0x0000000000000000-mapping.dmp
  • memory/1192-90-0x0000000000400000-0x0000000003905000-memory.dmp
    Filesize

    53MB

  • memory/1192-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp
    Filesize

    8KB

  • memory/1192-55-0x0000000000230000-0x0000000000249000-memory.dmp
    Filesize

    100KB

  • memory/1192-64-0x0000000000400000-0x0000000003905000-memory.dmp
    Filesize

    53MB

  • memory/1756-81-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-77-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-79-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-93-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-83-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-86-0x0000000000410910-mapping.dmp
  • memory/1756-85-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-89-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-76-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-91-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1756-115-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1764-130-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1764-67-0x00000000000E0000-0x0000000000109000-memory.dmp
    Filesize

    164KB

  • memory/1764-327-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1764-101-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1764-56-0x00000000000E0000-0x0000000000109000-memory.dmp
    Filesize

    164KB

  • memory/1764-151-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1764-107-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1764-98-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1764-58-0x0000000000000000-mapping.dmp
  • memory/1764-65-0x00000000000E0000-0x0000000000109000-memory.dmp
    Filesize

    164KB

  • memory/1764-114-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/1764-126-0x00000000001C0000-0x000000000020E000-memory.dmp
    Filesize

    312KB

  • memory/2032-59-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/2032-131-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-127-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-113-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-119-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-123-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-108-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-152-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-61-0x0000000000000000-mapping.dmp
  • memory/2032-326-0x0000000000378000-0x000000000037A000-memory.dmp
    Filesize

    8KB

  • memory/2032-103-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-328-0x0000000000340000-0x000000000038E000-memory.dmp
    Filesize

    312KB

  • memory/2032-66-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB