Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2023 10:16

General

  • Target

    27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2.exe

  • Size

    235KB

  • MD5

    a9e4aa023ae9d9b512963499d80738c3

  • SHA1

    17692ef022de815d2170f8ef4b028219ac93a3aa

  • SHA256

    27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2

  • SHA512

    6e995fb213bda5e6c7a8eb89e08edcc0a125968a0f44724c74cf163bf93bde2fc414c98634f7bc69b8f0bd08be934c3958f3bad6105011367a36df7417be6f17

  • SSDEEP

    6144:PEVkyf8W4pFwGPodNdPwjYXAO0T6/35iVvPN:PEVkm74pKyjjK2T6/35ipPN

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
  • 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\27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2.exe
    "C:\Users\Admin\AppData\Local\Temp\27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4564
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command -
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5060
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command -
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1464
    • C:\Users\Admin\AppData\Local\27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2.exe
      "C:\Users\Admin\AppData\Local\27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3416
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2168
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command -
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1856
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4964
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command -
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2.exe

    Filesize

    235KB

    MD5

    a9e4aa023ae9d9b512963499d80738c3

    SHA1

    17692ef022de815d2170f8ef4b028219ac93a3aa

    SHA256

    27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2

    SHA512

    6e995fb213bda5e6c7a8eb89e08edcc0a125968a0f44724c74cf163bf93bde2fc414c98634f7bc69b8f0bd08be934c3958f3bad6105011367a36df7417be6f17

  • C:\Users\Admin\AppData\Local\27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2.exe

    Filesize

    235KB

    MD5

    a9e4aa023ae9d9b512963499d80738c3

    SHA1

    17692ef022de815d2170f8ef4b028219ac93a3aa

    SHA256

    27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2

    SHA512

    6e995fb213bda5e6c7a8eb89e08edcc0a125968a0f44724c74cf163bf93bde2fc414c98634f7bc69b8f0bd08be934c3958f3bad6105011367a36df7417be6f17

  • C:\Users\Admin\AppData\Local\27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2.exe

    Filesize

    235KB

    MD5

    a9e4aa023ae9d9b512963499d80738c3

    SHA1

    17692ef022de815d2170f8ef4b028219ac93a3aa

    SHA256

    27d7ca6b9c3a88a89809c12dbc29374af3a33adace5b4c312d9fd21e280e7fc2

    SHA512

    6e995fb213bda5e6c7a8eb89e08edcc0a125968a0f44724c74cf163bf93bde2fc414c98634f7bc69b8f0bd08be934c3958f3bad6105011367a36df7417be6f17

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_crlybawf.fkf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1464-66-0x0000000002D60000-0x0000000002D70000-memory.dmp

    Filesize

    64KB

  • memory/1464-76-0x0000000005E80000-0x00000000061D4000-memory.dmp

    Filesize

    3.3MB

  • memory/1464-77-0x0000000002D60000-0x0000000002D70000-memory.dmp

    Filesize

    64KB

  • memory/1464-78-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/1464-79-0x0000000002D60000-0x0000000002D70000-memory.dmp

    Filesize

    64KB

  • memory/1464-65-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/1464-80-0x0000000002D60000-0x0000000002D70000-memory.dmp

    Filesize

    64KB

  • memory/1856-115-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/1856-116-0x00000000054F0000-0x0000000005500000-memory.dmp

    Filesize

    64KB

  • memory/1856-129-0x00000000054F0000-0x0000000005500000-memory.dmp

    Filesize

    64KB

  • memory/1856-128-0x00000000054F0000-0x0000000005500000-memory.dmp

    Filesize

    64KB

  • memory/1856-127-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/1856-126-0x00000000054F0000-0x0000000005500000-memory.dmp

    Filesize

    64KB

  • memory/1872-45-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-44-0x0000000002920000-0x0000000002930000-memory.dmp

    Filesize

    64KB

  • memory/1872-48-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-46-0x0000000002920000-0x0000000002930000-memory.dmp

    Filesize

    64KB

  • memory/1872-34-0x0000000005C60000-0x0000000005FB4000-memory.dmp

    Filesize

    3.3MB

  • memory/1872-31-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-32-0x0000000002920000-0x0000000002930000-memory.dmp

    Filesize

    64KB

  • memory/1872-33-0x0000000002920000-0x0000000002930000-memory.dmp

    Filesize

    64KB

  • memory/2168-101-0x00000000051E0000-0x00000000051F0000-memory.dmp

    Filesize

    64KB

  • memory/2168-114-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-113-0x00000000051E0000-0x00000000051F0000-memory.dmp

    Filesize

    64KB

  • memory/2168-112-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-111-0x00000000051E0000-0x00000000051F0000-memory.dmp

    Filesize

    64KB

  • memory/2168-100-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/3204-85-0x0000000010000000-0x0000000010042000-memory.dmp

    Filesize

    264KB

  • memory/3204-84-0x0000000000930000-0x0000000000A30000-memory.dmp

    Filesize

    1024KB

  • memory/3204-83-0x0000000000930000-0x0000000000A30000-memory.dmp

    Filesize

    1024KB

  • memory/4564-25-0x0000000007310000-0x0000000007332000-memory.dmp

    Filesize

    136KB

  • memory/4564-21-0x0000000007110000-0x0000000007186000-memory.dmp

    Filesize

    472KB

  • memory/4564-2-0x0000000004860000-0x0000000004870000-memory.dmp

    Filesize

    64KB

  • memory/4564-1-0x0000000004870000-0x00000000048A6000-memory.dmp

    Filesize

    216KB

  • memory/4564-3-0x0000000004EE0000-0x0000000005508000-memory.dmp

    Filesize

    6.2MB

  • memory/4564-4-0x0000000005540000-0x0000000005562000-memory.dmp

    Filesize

    136KB

  • memory/4564-5-0x00000000055E0000-0x0000000005646000-memory.dmp

    Filesize

    408KB

  • memory/4564-6-0x00000000056C0000-0x0000000005726000-memory.dmp

    Filesize

    408KB

  • memory/4564-30-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/4564-29-0x0000000004860000-0x0000000004870000-memory.dmp

    Filesize

    64KB

  • memory/4564-28-0x0000000004860000-0x0000000004870000-memory.dmp

    Filesize

    64KB

  • memory/4564-27-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/4564-26-0x0000000008440000-0x00000000089E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4564-0-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/4564-24-0x0000000007360000-0x00000000073F6000-memory.dmp

    Filesize

    600KB

  • memory/4564-23-0x00000000071B0000-0x00000000071CA000-memory.dmp

    Filesize

    104KB

  • memory/4564-22-0x0000000007810000-0x0000000007E8A000-memory.dmp

    Filesize

    6.5MB

  • memory/4564-16-0x00000000057B0000-0x0000000005B04000-memory.dmp

    Filesize

    3.3MB

  • memory/4564-20-0x0000000004860000-0x0000000004870000-memory.dmp

    Filesize

    64KB

  • memory/4564-19-0x00000000063D0000-0x0000000006414000-memory.dmp

    Filesize

    272KB

  • memory/4564-18-0x0000000005E60000-0x0000000005EAC000-memory.dmp

    Filesize

    304KB

  • memory/4564-17-0x0000000005E10000-0x0000000005E2E000-memory.dmp

    Filesize

    120KB

  • memory/4964-132-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-146-0x00000000052D0000-0x00000000052E0000-memory.dmp

    Filesize

    64KB

  • memory/4964-145-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-144-0x00000000052D0000-0x00000000052E0000-memory.dmp

    Filesize

    64KB

  • memory/4964-134-0x00000000052D0000-0x00000000052E0000-memory.dmp

    Filesize

    64KB

  • memory/4964-133-0x00000000052D0000-0x00000000052E0000-memory.dmp

    Filesize

    64KB

  • memory/5060-51-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/5060-64-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-63-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/5060-61-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/5060-62-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-50-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/5060-49-0x0000000074A90000-0x0000000075240000-memory.dmp

    Filesize

    7.7MB