06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089

General

Target

06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe
Size

260KB
MD5

6198535356a9d5846c493699b770ac90
SHA1

4a35587242ae9aa41ed7d325fd2168896229248a
SHA256

06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089
SHA512

2f4e6ec94c601f1b6110b07f52c2d8dbca0d1c0c9305deba92c4c19c5e29aa0bf2e791222e761881b8051b11a47a0344362c13e8e3da7b2cb72cb8f6f30d51ce
SSDEEP

3072:lAlNJvvh25n/kZoSUjMqXnpWAkpAmTSrMaIOYt/jo7LAtPhjjtZnfHFEoWBfGVz5:mogTSrMaIl/jcLijfHFEHWzXvjT85R

Score

10^/10

evasion persistence

Malware Config

Signatures

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

vyweoc.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"	vyweoc.exe

Executes dropped EXE 1 IoCs

Processes:

vyweoc.exe

pid process

2020 vyweoc.exe

Loads dropped DLL 2 IoCs

Processes:

06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe

pid	process
364	06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe
364	06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe

Adds Run key to start application 2 TTPs 51 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

vyweoc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /I"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /H"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /d"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /c"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /n"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /J"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /O"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /q"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /r"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /Y"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /G"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /N"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /l"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /s"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /j"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /p"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /D"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /S"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /t"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /i"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /h"	vyweoc.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /R"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /T"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /b"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /U"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /E"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /B"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /x"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /Q"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /y"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /a"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /F"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /g"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /V"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /P"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /A"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /C"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /v"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /w"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /k"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /e"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /X"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /K"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /M"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /u"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /z"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /o"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /L"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /f"	vyweoc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vyweoc = "C:\\Users\\Admin\\vyweoc.exe /Z"	vyweoc.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:

vyweoc.exe

pid	process
2020	vyweoc.exe
2020	vyweoc.exe
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2020	vyweoc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exevyweoc.exe

pid process

364 06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe
2020 vyweoc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe

description	pid	process	target process
PID 364 wrote to memory of 2020	364	06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe	vyweoc.exe
PID 364 wrote to memory of 2020	364	06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe	vyweoc.exe
PID 364 wrote to memory of 2020	364	06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe	vyweoc.exe
PID 364 wrote to memory of 2020	364	06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe	vyweoc.exe

C:\Users\Admin\AppData\Local\Temp\06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe
"C:\Users\Admin\AppData\Local\Temp\06d6cb78c08fc5816b0c414ebd8a6280934d67c1854fea11bfe6218f4b454089.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:364

C:\Users\Admin\vyweoc.exe
"C:\Users\Admin\vyweoc.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:2020

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\vyweoc.exe
Filesize
260KB

MD5
d334365e3b30b9f88dca9d03916a1034

SHA1
1dc6ce4f21d841507957bb5e4d2b4a2a68ac5952

SHA256
6142e3bed9344f60dc130b153ccce8bc40f6b80a6d931650dca67fa88de2f27c

SHA512
133c038440ad5c387aebbcf8474d04aab30391ec4aac55ff552aadeb46535db0bd54bfc20327c51b132055fa232dd04eba437c6e08f2f4f09def8205b6bbc291

Download Submit
C:\Users\Admin\vyweoc.exe
Filesize
260KB

MD5
d334365e3b30b9f88dca9d03916a1034

SHA1
1dc6ce4f21d841507957bb5e4d2b4a2a68ac5952

SHA256
6142e3bed9344f60dc130b153ccce8bc40f6b80a6d931650dca67fa88de2f27c

SHA512
133c038440ad5c387aebbcf8474d04aab30391ec4aac55ff552aadeb46535db0bd54bfc20327c51b132055fa232dd04eba437c6e08f2f4f09def8205b6bbc291

Download Submit
\Users\Admin\vyweoc.exe
Filesize
260KB

MD5
d334365e3b30b9f88dca9d03916a1034

SHA1
1dc6ce4f21d841507957bb5e4d2b4a2a68ac5952

SHA256
6142e3bed9344f60dc130b153ccce8bc40f6b80a6d931650dca67fa88de2f27c

SHA512
133c038440ad5c387aebbcf8474d04aab30391ec4aac55ff552aadeb46535db0bd54bfc20327c51b132055fa232dd04eba437c6e08f2f4f09def8205b6bbc291

Download Submit
\Users\Admin\vyweoc.exe
Filesize
260KB

MD5
d334365e3b30b9f88dca9d03916a1034

SHA1
1dc6ce4f21d841507957bb5e4d2b4a2a68ac5952

SHA256
6142e3bed9344f60dc130b153ccce8bc40f6b80a6d931650dca67fa88de2f27c

SHA512
133c038440ad5c387aebbcf8474d04aab30391ec4aac55ff552aadeb46535db0bd54bfc20327c51b132055fa232dd04eba437c6e08f2f4f09def8205b6bbc291

Download Submit
memory/364-56-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/2020-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads