d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba

General

Target

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Size

216KB
MD5

66403f9cbaa86bcf3ed3d9542efcd20c
SHA1

56efb7e03fc2d85940ae5d0d76c39d53e0f73ab2
SHA256

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba
SHA512

882d2f790aee8c7eaaaf4839d7b71bb924e4beb9d01c68134b76aab39f394446365b7100682700d70e46fdc188a3df3e64fbff2bb4852780ba8437bc71ae3451
SSDEEP

3072:xbZmtWciPCCENhg7jkfIGc7Ikeap0hhIJxzZ5URAeV4jsgyE+MBJkQ6:xbZm2OTKwQG6XbygxzARFqXkuY

Score

8^/10

persistence

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\omylcqksw.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\omylcqksw.exe\DisableExceptionChainValidation	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1063

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Avira	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

description	ioc	process
File created	C:\ProgramData\RealTEK Audio Drivers\desktop.ini	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

description	pid	process	target process
PID 1464 set thread context of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2024 schtasks.exe

pid	process
2024	schtasks.exe

Modifies registry class 7 IoCs

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{EDA67941-8E21-0F4A-B5A3-6A9B2101CB95}\25EE0562\ê'–t3\BID = 2000080017000b00e607000014000000170011000b0003000000000027547e63	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{EDA67941-8E21-0F4A-B5A3-6A9B2101CB95}\25EE0562\CG1	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{EDA67941-8E21-0F4A-B5A3-6A9B2101CB95}	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{EDA67941-8E21-0F4A-B5A3-6A9B2101CB95}\25EE0562	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{EDA67941-8E21-0F4A-B5A3-6A9B2101CB95}\25EE0562\CG1\HAL = 05ee0000	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{EDA67941-8E21-0F4A-B5A3-6A9B2101CB95}\25EE0562\ê'–t3	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

pid	process
1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

pid process

1696 d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

description	pid	process
Token: SeRestorePrivilege	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Token: SeBackupPrivilege	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
Token: SeDebugPrivilege	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

pid process

1464 d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

pid	process
1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exed3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe

description	pid	process	target process
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1464 wrote to memory of 1696	1464	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
PID 1696 wrote to memory of 2024	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	schtasks.exe
PID 1696 wrote to memory of 2024	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	schtasks.exe
PID 1696 wrote to memory of 2024	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	schtasks.exe
PID 1696 wrote to memory of 2024	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	schtasks.exe
PID 1696 wrote to memory of 580	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	WerFault.exe
PID 1696 wrote to memory of 580	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	WerFault.exe
PID 1696 wrote to memory of 580	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	WerFault.exe
PID 1696 wrote to memory of 580	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	WerFault.exe
PID 1696 wrote to memory of 580	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	WerFault.exe
PID 1696 wrote to memory of 580	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	WerFault.exe
PID 1696 wrote to memory of 580	1696	d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
"C:\Users\Admin\AppData\Local\Temp\d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464

C:\Users\Admin\AppData\Local\Temp\d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe
"C:\Users\Admin\AppData\Local\Temp\d3bc247d2da65f98490b7ce030a73d3ffbbc928b829759eff0be51ea8f96b0ba.exe"
2⤵
- Sets file execution options in registry
- Checks for any installed AV software in registry
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x25EE0562" /TR "C:\ProgramData\RealTEK Audio Drivers\omylcqksw.exe" /RL HIGHEST
3⤵
- Creates scheduled task(s)
PID:2024

C:\Windows\SysWOW64\WerFault.exe
"C:\Windows\SysWOW64\WerFault.exe"
3⤵
PID:580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Security Software Discovery

1

T1063

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/580-66-0x0000000000000000-mapping.dmp

Download
memory/580-71-0x0000000076F70000-0x00000000770F1000-memory.dmp

Filesize
1.5MB

Download
memory/580-70-0x00000000000D0000-0x0000000000154000-memory.dmp

Filesize
528KB

Download
memory/580-69-0x0000000076F70000-0x00000000770F1000-memory.dmp

Filesize
1.5MB

Download
memory/580-68-0x00000000000D0000-0x0000000000154000-memory.dmp

Filesize
528KB

Download
memory/1696-64-0x0000000000250000-0x000000000025B000-memory.dmp

Filesize
44KB

Download
memory/1696-56-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1696-63-0x0000000000370000-0x00000000003BB000-memory.dmp

Filesize
300KB

Download
memory/1696-67-0x0000000000370000-0x00000000003BB000-memory.dmp

Filesize
300KB

Download
memory/1696-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1696-61-0x0000000000370000-0x00000000003BB000-memory.dmp

Filesize
300KB

Download
memory/1696-60-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1696-58-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2024-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads