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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2025, 07:19

General

  • Target

    莫贝1.27A/莫贝1.27A.exe

  • Size

    2.8MB

  • MD5

    aa33abc410abcd33b5410cd6150cb3f0

  • SHA1

    9d5378a5b7b84aa7fbde1268bb64ed1bbade4541

  • SHA256

    db0c042f2cee58f542f92d09a9fbd0faf9bd15aaa1f597056c02210dc042c3e6

  • SHA512

    423c29a604479856a408ae5c1c2e028e1c9b977ba72f4e50dc77bd4acf6f172134b740d10054d162b0daddd7fa9838ae7c817f9b822e961ad5ffbca3226e44b0

  • SSDEEP

    24576:8q64aDApD1mzPSKkV2FsPPg9VXB0yzGNx212qEIyI+gfUgVrRhqoSp6YeVR5BGb7:8YpDQSwF/9hYcsRvJgfpVXvQRBlydw/

Malware Config

Signatures

  • Gh0st RAT payload 14 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\莫贝1.27A\莫贝1.27A.exe
    "C:\Users\Admin\AppData\Local\Temp\莫贝1.27A\莫贝1.27A.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Windows\SysWOW64\crass.exe
      C:\Windows\system32\\crass.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\crass.exe

    Filesize

    584KB

    MD5

    19b547d281bfa52fe62827ebfc05cf87

    SHA1

    37d68f1cb4b888a0a11edb027c5e96b95f1b0816

    SHA256

    e94ab3ef7693bb023305f6e3a9cf9554948f9d3236aff68e8e1e2d0d7051f084

    SHA512

    72d440d178b5c74f7756a90887e2a20bd6dca4b0b274fc0375cdc03203dc51ad26c13564fbd554518a4cd244f048529cf3745be0bc473ac8e85cf59abc67e1a6

  • memory/3280-33-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-39-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-11-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-17-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-23-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-57-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-58-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-56-0x0000000000402000-0x0000000000403000-memory.dmp

    Filesize

    4KB

  • memory/3280-55-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-54-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-53-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-51-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-49-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-47-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-43-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-41-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-0-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-37-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-10-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-35-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-19-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-27-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-21-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-31-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-45-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-13-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-29-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-12-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-25-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-15-0x0000000002560000-0x000000000259E000-memory.dmp

    Filesize

    248KB

  • memory/3280-60-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-61-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-59-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-62-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-63-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-64-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-65-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-66-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB

  • memory/3280-67-0x0000000000400000-0x00000000006C6000-memory.dmp

    Filesize

    2.8MB