6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67

General

Target

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
Size

157KB
MD5

5aa10a889b46a03f53b953633ed1dbb1
SHA1

769cc21933c5367fbc7fe69b07b9b84fb4b39184
SHA256

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67
SHA512

a24a0ac06df72a5a51649d4880fc48100016ab042b342ed1d42ac54ef0251dee2088f0a09c89e17ba8a925638c2b6d91e8d1116cba994aea6546e55cbb3ad1fe
SSDEEP

3072:khEoyai+0RAJR3Dbn0h7nWQd4+XrU24bPwXw+4X:kvh0RAJ2L9X+PJbX

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\software\Wow6432Node\Microsoft\Windows\CurrentVersion\run	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

description	ioc	process
File opened (read-only)	\??\M:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\K:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\I:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\H:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\X:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\W:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\T:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\F:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\Q:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\P:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\L:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\J:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\G:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\E:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\Y:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\R:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\U:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\S:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\O:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\N:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\Z:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened (read-only)	\??\V:	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

Processes:

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

description	ioc	process
File opened for modification	C:\autorun.inf	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1020 1328 WerFault.exe 6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

pid process

1328 6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

pid	pid_target	process	target process
1020	1328	WerFault.exe	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

pid	process
1328	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe

description	pid	process	target process
PID 1328 wrote to memory of 1020	1328	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe	WerFault.exe
PID 1328 wrote to memory of 1020	1328	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe	WerFault.exe
PID 1328 wrote to memory of 1020	1328	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe	WerFault.exe
PID 1328 wrote to memory of 1020	1328	6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe
"C:\Users\Admin\AppData\Local\Temp\6fd9ddedbd94eff28e2875c5c5a5279631413372b9784a087c8136728c7d7f67.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 540
2⤵
- Program crash
PID:1020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1020-57-0x0000000000000000-mapping.dmp

Download
memory/1328-54-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1328-55-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1328-56-0x00000000747D1000-0x00000000747D3000-memory.dmp

Filesize
8KB

Download
memory/1328-58-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads