91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e

General

Target

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Size

293KB
MD5

436b2f12d84073b60a65b2aa9b56b640
SHA1

9960b5a4a1c3466bb67072f72977b0198278ebb0
SHA256

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e
SHA512

3a0f3333a735e64e01f0ac957886270dcf973f0eb364cd827ef360fd6016d2b3a031c70d04a3030a43628c97e584eab14cdd0af317dfbb1e362c545d382c266a
SSDEEP

6144:5OG0nzWPEcpkPH+HCJsfR9t8AC+1RVQpEcWe+zMAM+SUUB3GfI8:L0yPEyQsfdMUUgIAhSh9sb

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:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mzwydjnhn.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mzwydjnhn.exe\DisableExceptionChainValidation	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

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

Security Software Discovery

T1063

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description ioc process

File created C:\ProgramData\ISO Checker\desktop.ini 91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description	ioc	process
File created	C:\ProgramData\ISO Checker\desktop.ini	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description	pid	process	target process
PID 1200 set thread context of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.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:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.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

1164 schtasks.exe

pid	process
1164	schtasks.exe

Modifies registry class 6 IoCs

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{0695481D-07A2-104B-98EC-BEC5D0599F6E}\02610110\CG1\BID = 2000080017000b00e60700001400000017000f001d00340000000000703c7e63	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{0695481D-07A2-104B-98EC-BEC5D0599F6E}\02610110\CG1	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{0695481D-07A2-104B-98EC-BEC5D0599F6E}	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{0695481D-07A2-104B-98EC-BEC5D0599F6E}\02610110	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{0695481D-07A2-104B-98EC-BEC5D0599F6E}\02610110\CG1\HAL = 05ee0000	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

pid	process
1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

pid	process
2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

pid process

2352 91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

description	pid	process
Token: SeDebugPrivilege	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Token: SeRestorePrivilege	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Token: SeBackupPrivilege	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
Token: SeDebugPrivilege	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe

C:\Users\Admin\AppData\Local\Temp\91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
"C:\Users\Admin\AppData\Local\Temp\91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
"C:\Users\Admin\AppData\Local\Temp\91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe"
2⤵
PID:2328

C:\Users\Admin\AppData\Local\Temp\91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
"C:\Users\Admin\AppData\Local\Temp\91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe"
2⤵
- Sets file execution options in registry
- Checks computer location settings
- 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:2352

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x02610110" /TR "C:\ProgramData\ISO Checker\mzwydjnhn.exe" /RL HIGHEST
3⤵
- Creates scheduled task(s)
PID:1164

C:\Windows\SysWOW64\WerFault.exe
"C:\Windows\SysWOW64\WerFault.exe"
3⤵
PID:3992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Security Software Discovery

1

T1063

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1164-145-0x0000000000000000-mapping.dmp

Download
memory/1200-142-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1200-133-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1200-132-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2328-134-0x0000000000000000-mapping.dmp

Download
memory/2352-136-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2352-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2352-141-0x0000000000FD0000-0x000000000101B000-memory.dmp

Filesize
300KB

Download
memory/2352-138-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2352-143-0x0000000000FD0000-0x000000000101B000-memory.dmp

Filesize
300KB

Download
memory/2352-144-0x0000000002BD0000-0x0000000002BDB000-memory.dmp

Filesize
44KB

Download
memory/2352-135-0x0000000000000000-mapping.dmp

Download
memory/2352-147-0x0000000000FD0000-0x000000000101B000-memory.dmp

Filesize
300KB

Download
memory/3992-146-0x0000000000000000-mapping.dmp

Download
memory/3992-148-0x0000000000120000-0x000000000019B000-memory.dmp

Filesize
492KB

Download
memory/3992-149-0x0000000000690000-0x0000000000728000-memory.dmp

Filesize
608KB

Download
memory/3992-150-0x0000000000690000-0x0000000000728000-memory.dmp

Filesize
608KB

Download

description	pid	process	target process
PID 1200 wrote to memory of 2328	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2328	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2328	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 1200 wrote to memory of 2352	1200	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe
PID 2352 wrote to memory of 1164	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	schtasks.exe
PID 2352 wrote to memory of 1164	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	schtasks.exe
PID 2352 wrote to memory of 1164	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	schtasks.exe
PID 2352 wrote to memory of 3992	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	WerFault.exe
PID 2352 wrote to memory of 3992	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	WerFault.exe
PID 2352 wrote to memory of 3992	2352	91456e34ecd161f317f5f2597c1e1c4ceb046c889fec76f5cdf556c262c4077e.exe	WerFault.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads