Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 18:21

General

  • Target

    bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe

  • Size

    375KB

  • MD5

    63165b30ddcb8563f60c447383be9e7e

  • SHA1

    071cefb7740b09c22c1b560b1a4674cb7194eb4b

  • SHA256

    bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5

  • SHA512

    811733f702856c3cf104d85f29e4008146a9f2913e6c30ed77002f78d2335f2b876f2241818960b453e0f3a9e88504d65b2a1c951795e1800dfa9060476a39ff

  • SSDEEP

    6144:dv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:d4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score
10/10

Malware Config

Signatures

  • Gh0st RAT payload 10 IoCs
  • Gh0strat

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

  • Executes dropped EXE 4 IoCs
  • UPX packed file 12 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe
    "C:\Users\Admin\AppData\Local\Temp\bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
      "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4772
  • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
    "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
      "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      PID:4788
    • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
      "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 496
      2⤵
      • Program crash
      PID:4560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4904 -ip 4904
    1⤵
      PID:3384

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

      Filesize

      39.4MB

      MD5

      e2389b5ef09baea5d86973be86b088f3

      SHA1

      b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

      SHA256

      25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

      SHA512

      f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

    • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

      Filesize

      39.4MB

      MD5

      e2389b5ef09baea5d86973be86b088f3

      SHA1

      b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

      SHA256

      25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

      SHA512

      f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

    • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

      Filesize

      39.4MB

      MD5

      e2389b5ef09baea5d86973be86b088f3

      SHA1

      b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

      SHA256

      25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

      SHA512

      f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

    • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

      Filesize

      39.4MB

      MD5

      e2389b5ef09baea5d86973be86b088f3

      SHA1

      b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

      SHA256

      25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

      SHA512

      f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

    • C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

      Filesize

      39.4MB

      MD5

      e2389b5ef09baea5d86973be86b088f3

      SHA1

      b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

      SHA256

      25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

      SHA512

      f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

    • memory/2112-138-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/2112-137-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/2112-136-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/2112-143-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/2112-132-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/2112-135-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/2264-178-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/2264-176-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/2264-175-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/4772-146-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/4772-179-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/4772-157-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/4772-156-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/4772-155-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/4788-174-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/4788-177-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/4788-180-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/4904-150-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/4904-159-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/4904-153-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB

    • memory/4904-158-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/4904-154-0x0000000010000000-0x0000000010362000-memory.dmp

      Filesize

      3.4MB