5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08

General

Target

5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
Size

898KB
MD5

5c41de5cea0bc148b8177cb41803d7c9
SHA1

47fbd7205613bd5f451439ccec5b514dbc4c7c0f
SHA256

5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08
SHA512

b0d812109610e8754b3a52b370c37ea188099e2d5ae1ce2fdf5fca4b3a8ef62edb2af87634726bda971efc81704978faa6f52d181167f4f7f8707b334d8450cd
SSDEEP

6144:E3i8X7pt4Oti0BWmKWIBtOcI9SSbA+cuXhDM6a1F9nBG:E3TdtLW5WIj1YSSdFxs1z4

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe regsvr.exe"	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

Disables Task Manager via registry modification
evasion

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Msn Messsenger = "C:\\Windows\\system32\\regsvr.exe"	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/3424-137-0x0000000000400000-0x0000000000506000-memory.dmp	autoit_exe

Drops file in System32 directory 6 IoCs

Processes:

5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\28463	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
File created	C:\Windows\SysWOW64\regsvr.exe	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
File opened for modification	C:\Windows\SysWOW64\regsvr.exe	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
File created	C:\Windows\SysWOW64\svchost .exe	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
File opened for modification	C:\Windows\SysWOW64\svchost .exe	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
File opened for modification	C:\Windows\SysWOW64\setup.ini	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

Drops file in Windows directory 2 IoCs

Processes:

5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

description	ioc	process
File created	C:\Windows\regsvr.exe	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
File opened for modification	C:\Windows\regsvr.exe	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.execmd.execmd.exe

description	pid	process	target process
PID 3424 wrote to memory of 2436	3424	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe	cmd.exe
PID 3424 wrote to memory of 2436	3424	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe	cmd.exe
PID 3424 wrote to memory of 2436	3424	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe	cmd.exe
PID 2436 wrote to memory of 3604	2436	cmd.exe	at.exe
PID 2436 wrote to memory of 3604	2436	cmd.exe	at.exe
PID 2436 wrote to memory of 3604	2436	cmd.exe	at.exe
PID 3424 wrote to memory of 3608	3424	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe	cmd.exe
PID 3424 wrote to memory of 3608	3424	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe	cmd.exe
PID 3424 wrote to memory of 3608	3424	5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe	cmd.exe
PID 3608 wrote to memory of 4992	3608	cmd.exe	at.exe
PID 3608 wrote to memory of 4992	3608	cmd.exe	at.exe
PID 3608 wrote to memory of 4992	3608	cmd.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe
"C:\Users\Admin\AppData\Local\Temp\5363962b9ef23677c82ce5294f42c622a941d238180ffcde9fb6f1cee9571f08.exe"
1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3424

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /C AT /delete /yes
2⤵
- Suspicious use of WriteProcessMemory
PID:2436

C:\Windows\SysWOW64\at.exe
AT /delete /yes
3⤵
PID:3604

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3608

C:\Windows\SysWOW64\at.exe
AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
3⤵
PID:4992

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2436-133-0x0000000000000000-mapping.dmp

Download
memory/3424-132-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/3424-137-0x0000000000400000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/3604-134-0x0000000000000000-mapping.dmp

Download
memory/3608-135-0x0000000000000000-mapping.dmp

Download
memory/4992-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads