ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4

General

Target

ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
Size

336KB
MD5

3c0ad8b80f837ddeb9723a5655c606f8
SHA1

c6768f851b3f32ee80883ba85eb881547bef95f2
SHA256

ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4
SHA512

3925edede73cc43090fc039736a695b2b0229b7177961fdbfd799ae0a72cdb9029f0b3f890a1cd6543b6678a40a2d2c5d3160520225db40e7901d95ce348b1ff
SSDEEP

6144:EDNxo2WGk1Y3nmQcuyKx5DKEJrwavj9+dU5SFd:G82WGk1Y3nmQcjKvWEJQ

Score

10^/10

evasion persistence

Malware Config

Signatures

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.execwfooj.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	cwfooj.exe

Executes dropped EXE 1 IoCs

Processes:

cwfooj.exe

pid process

1852 cwfooj.exe

pid	process
1852	cwfooj.exe

Loads dropped DLL 2 IoCs

Processes:

ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe

pid	process
900	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
900	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cwfooj.exeffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /s"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /u"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /k"	cwfooj.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /x"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /w"	cwfooj.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /h"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /e"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /j"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /z"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /d"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /l"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /c"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /m"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /f"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /g"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /b"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /a"	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /n"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /r"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /t"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /i"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /q"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /p"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /v"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /y"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /o"	cwfooj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwfooj = "C:\\Users\\Admin\\cwfooj.exe /a"	cwfooj.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.execwfooj.exe

pid	process
900	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe
1852	cwfooj.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.execwfooj.exe

pid process

900 ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
1852 cwfooj.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe

description	pid	process	target process
PID 900 wrote to memory of 1852	900	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe	cwfooj.exe
PID 900 wrote to memory of 1852	900	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe	cwfooj.exe
PID 900 wrote to memory of 1852	900	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe	cwfooj.exe
PID 900 wrote to memory of 1852	900	ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe	cwfooj.exe

C:\Users\Admin\AppData\Local\Temp\ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
"C:\Users\Admin\AppData\Local\Temp\ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:900

C:\Users\Admin\cwfooj.exe
"C:\Users\Admin\cwfooj.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1852

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

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

C:\Users\Admin\cwfooj.exe
Filesize
336KB

MD5
1bdba2525657eb4c1ddf7f8221e75b0f

SHA1
455657a17d5f9ff8459b1c189782c46ae35b29bb

SHA256
9c8f1324c4c88b4db2a0e879d5d7fac4ebd02e4ad4cb9a3ab37dbd3d539cf890

SHA512
ad29659fd9b42175ae90dad2143dace91b1e4b5e82955a669be81646039dcf452a2af6226210553c828119ac2fbf63686b432555dc8cd537376d697334059542

Download Submit
C:\Users\Admin\cwfooj.exe
Filesize
336KB

MD5
1bdba2525657eb4c1ddf7f8221e75b0f

SHA1
455657a17d5f9ff8459b1c189782c46ae35b29bb

SHA256
9c8f1324c4c88b4db2a0e879d5d7fac4ebd02e4ad4cb9a3ab37dbd3d539cf890

SHA512
ad29659fd9b42175ae90dad2143dace91b1e4b5e82955a669be81646039dcf452a2af6226210553c828119ac2fbf63686b432555dc8cd537376d697334059542

Download Submit
\Users\Admin\cwfooj.exe
Filesize
336KB

MD5
1bdba2525657eb4c1ddf7f8221e75b0f

SHA1
455657a17d5f9ff8459b1c189782c46ae35b29bb

SHA256
9c8f1324c4c88b4db2a0e879d5d7fac4ebd02e4ad4cb9a3ab37dbd3d539cf890

SHA512
ad29659fd9b42175ae90dad2143dace91b1e4b5e82955a669be81646039dcf452a2af6226210553c828119ac2fbf63686b432555dc8cd537376d697334059542

Download Submit
\Users\Admin\cwfooj.exe
Filesize
336KB

MD5
1bdba2525657eb4c1ddf7f8221e75b0f

SHA1
455657a17d5f9ff8459b1c189782c46ae35b29bb

SHA256
9c8f1324c4c88b4db2a0e879d5d7fac4ebd02e4ad4cb9a3ab37dbd3d539cf890

SHA512
ad29659fd9b42175ae90dad2143dace91b1e4b5e82955a669be81646039dcf452a2af6226210553c828119ac2fbf63686b432555dc8cd537376d697334059542

Download Submit
memory/900-56-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/1852-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads