Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2023 16:35

General

  • Target

    3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68.exe

  • Size

    206KB

  • MD5

    5617586de7d9fcaed18cc5f76c550525

  • SHA1

    a7fd1ce9e7cb900f26d1cc602fe5249b558acd16

  • SHA256

    3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68

  • SHA512

    80d980a61b3a2af3e530e0fd54be0c4f066c1f3e72e417574142d35cbbbf81b294aceca1db11b8377044e622cf193e3b93c9e29a5a70373cfa445753a3fbe57f

  • SSDEEP

    3072:0j3Q0K/aJBIZ4h4a0vDoPmTzBu9B63TL89XdirgMVJK3Z1PS2qEZdUxLKV+BC/Kd:70K/a4M4aBgTLEXhMVgh9k4/KM4h1

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

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

  • Fatal Rat payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 17 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68.exe
    "C:\Users\Admin\AppData\Local\Temp\3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2168
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command -
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2056
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command -
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1664
    • C:\Users\Admin\AppData\Local\3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68.exe
      "C:\Users\Admin\AppData\Local\3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3752
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3100
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command -
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2424
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1964
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command -
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68.exe

    Filesize

    206KB

    MD5

    5617586de7d9fcaed18cc5f76c550525

    SHA1

    a7fd1ce9e7cb900f26d1cc602fe5249b558acd16

    SHA256

    3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68

    SHA512

    80d980a61b3a2af3e530e0fd54be0c4f066c1f3e72e417574142d35cbbbf81b294aceca1db11b8377044e622cf193e3b93c9e29a5a70373cfa445753a3fbe57f

  • C:\Users\Admin\AppData\Local\3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68.exe

    Filesize

    206KB

    MD5

    5617586de7d9fcaed18cc5f76c550525

    SHA1

    a7fd1ce9e7cb900f26d1cc602fe5249b558acd16

    SHA256

    3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68

    SHA512

    80d980a61b3a2af3e530e0fd54be0c4f066c1f3e72e417574142d35cbbbf81b294aceca1db11b8377044e622cf193e3b93c9e29a5a70373cfa445753a3fbe57f

  • C:\Users\Admin\AppData\Local\3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68.exe

    Filesize

    206KB

    MD5

    5617586de7d9fcaed18cc5f76c550525

    SHA1

    a7fd1ce9e7cb900f26d1cc602fe5249b558acd16

    SHA256

    3c5d9efe6b934da50258500f6e4b4b36fda16c6ace49f1b00925549ea9b14e68

    SHA512

    80d980a61b3a2af3e530e0fd54be0c4f066c1f3e72e417574142d35cbbbf81b294aceca1db11b8377044e622cf193e3b93c9e29a5a70373cfa445753a3fbe57f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_31q5nekh.odu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1176-93-0x0000000001230000-0x0000000001330000-memory.dmp

    Filesize

    1024KB

  • memory/1176-65-0x0000000000530000-0x00000000005C1000-memory.dmp

    Filesize

    580KB

  • memory/1176-94-0x0000000010000000-0x0000000010042000-memory.dmp

    Filesize

    264KB

  • memory/1176-109-0x0000000000530000-0x00000000005C1000-memory.dmp

    Filesize

    580KB

  • memory/1176-81-0x0000000000530000-0x00000000005C1000-memory.dmp

    Filesize

    580KB

  • memory/1176-91-0x0000000001230000-0x0000000001330000-memory.dmp

    Filesize

    1024KB

  • memory/1176-89-0x0000000000530000-0x00000000005C1000-memory.dmp

    Filesize

    580KB

  • memory/1176-48-0x0000000000530000-0x00000000005C1000-memory.dmp

    Filesize

    580KB

  • memory/1176-0-0x0000000000530000-0x00000000005C1000-memory.dmp

    Filesize

    580KB

  • memory/1176-22-0x0000000000530000-0x00000000005C1000-memory.dmp

    Filesize

    580KB

  • memory/1664-88-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/1664-85-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/1664-86-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/1664-74-0x0000000005FC0000-0x0000000006314000-memory.dmp

    Filesize

    3.3MB

  • memory/1664-73-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/1664-72-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/1664-71-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/1664-87-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/1964-145-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2056-68-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/2056-52-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2056-70-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2056-69-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/2056-67-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2056-66-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/2056-64-0x0000000006370000-0x00000000066C4000-memory.dmp

    Filesize

    3.3MB

  • memory/2056-54-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/2056-53-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/2168-20-0x0000000006440000-0x000000000648C000-memory.dmp

    Filesize

    304KB

  • memory/2168-6-0x0000000005420000-0x0000000005442000-memory.dmp

    Filesize

    136KB

  • memory/2168-1-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-33-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-32-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/2168-2-0x0000000004D40000-0x0000000004D76000-memory.dmp

    Filesize

    216KB

  • memory/2168-3-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/2168-31-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-4-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/2168-5-0x0000000005470000-0x0000000005A98000-memory.dmp

    Filesize

    6.2MB

  • memory/2168-29-0x00000000089C0000-0x0000000008F64000-memory.dmp

    Filesize

    5.6MB

  • memory/2168-28-0x0000000007880000-0x00000000078A2000-memory.dmp

    Filesize

    136KB

  • memory/2168-27-0x00000000078E0000-0x0000000007976000-memory.dmp

    Filesize

    600KB

  • memory/2168-26-0x0000000007730000-0x000000000774A000-memory.dmp

    Filesize

    104KB

  • memory/2168-25-0x0000000007D90000-0x000000000840A000-memory.dmp

    Filesize

    6.5MB

  • memory/2168-24-0x0000000007690000-0x0000000007706000-memory.dmp

    Filesize

    472KB

  • memory/2168-23-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/2168-21-0x0000000006890000-0x00000000068D4000-memory.dmp

    Filesize

    272KB

  • memory/2168-7-0x0000000005B10000-0x0000000005B76000-memory.dmp

    Filesize

    408KB

  • memory/2168-19-0x0000000006390000-0x00000000063AE000-memory.dmp

    Filesize

    120KB

  • memory/2168-15-0x0000000005D60000-0x00000000060B4000-memory.dmp

    Filesize

    3.3MB

  • memory/2168-8-0x0000000005BF0000-0x0000000005C56000-memory.dmp

    Filesize

    408KB

  • memory/2424-129-0x0000000004940000-0x0000000004950000-memory.dmp

    Filesize

    64KB

  • memory/2424-142-0x0000000004940000-0x0000000004950000-memory.dmp

    Filesize

    64KB

  • memory/2424-141-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-139-0x0000000004940000-0x0000000004950000-memory.dmp

    Filesize

    64KB

  • memory/2424-128-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3100-111-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3100-112-0x00000000027E0000-0x00000000027F0000-memory.dmp

    Filesize

    64KB

  • memory/3100-122-0x00000000027E0000-0x00000000027F0000-memory.dmp

    Filesize

    64KB

  • memory/3100-125-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3100-126-0x00000000027E0000-0x00000000027F0000-memory.dmp

    Filesize

    64KB

  • memory/3100-127-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3752-158-0x0000000000720000-0x00000000007B1000-memory.dmp

    Filesize

    580KB

  • memory/3752-123-0x0000000000720000-0x00000000007B1000-memory.dmp

    Filesize

    580KB

  • memory/3752-193-0x0000000000720000-0x00000000007B1000-memory.dmp

    Filesize

    580KB

  • memory/3752-179-0x0000000000720000-0x00000000007B1000-memory.dmp

    Filesize

    580KB

  • memory/3752-108-0x0000000000720000-0x00000000007B1000-memory.dmp

    Filesize

    580KB

  • memory/3752-140-0x0000000000720000-0x00000000007B1000-memory.dmp

    Filesize

    580KB

  • memory/3752-175-0x0000000000720000-0x00000000007B1000-memory.dmp

    Filesize

    580KB

  • memory/3840-36-0x0000000004910000-0x0000000004920000-memory.dmp

    Filesize

    64KB

  • memory/3840-47-0x0000000004910000-0x0000000004920000-memory.dmp

    Filesize

    64KB

  • memory/3840-49-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-50-0x0000000004910000-0x0000000004920000-memory.dmp

    Filesize

    64KB

  • memory/3840-35-0x0000000004910000-0x0000000004920000-memory.dmp

    Filesize

    64KB

  • memory/3840-34-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-46-0x0000000005830000-0x0000000005B84000-memory.dmp

    Filesize

    3.3MB