6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709

General

Target

6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe
Size

124KB
MD5

444ec599045d30aa7bf2a7605fca0ebc
SHA1

e051128d573aa1a0db0b89925b6845030cb4e33d
SHA256

6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709
SHA512

dcb27b84291dc788d639968b6d67f4e0afa7e825d752f4099adeb64843996d0ba4d6b8aaa6605fea7cf003078dc4430ab613cc9faf6447d5bafa05f66dd4214e
SSDEEP

1536:2Jszf5Y2ThRO/N69BH3OoGa+FLHjKKvRgrkOSodPNeG0h/y:kGhY2ThkFoN3Oo1+FvkScIq

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:

6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exebvbuuv.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	bvbuuv.exe

Executes dropped EXE 1 IoCs

Processes:

bvbuuv.exe

pid process

2284 bvbuuv.exe

pid	process
2284	bvbuuv.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:

6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe

Adds Run key to start application 2 TTPs 55 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bvbuuv.exe6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /V"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /r"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /B"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /W"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /P"	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /h"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /a"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /j"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /T"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /k"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /y"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /M"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /D"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /d"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /u"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /t"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /P"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /U"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /e"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /H"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /c"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /S"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /o"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /l"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /I"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /g"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /X"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /q"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /p"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /Z"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /n"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /i"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /N"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /f"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /R"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /x"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /m"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /Q"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /E"	bvbuuv.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /s"	bvbuuv.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /A"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /C"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /J"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /O"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /w"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /K"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /L"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /z"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /v"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /b"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /Y"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /G"	bvbuuv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bvbuuv = "C:\\Users\\Admin\\bvbuuv.exe /F"	bvbuuv.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:

6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exebvbuuv.exe

pid	process
3108	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe
3108	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe
2284	bvbuuv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exebvbuuv.exe

pid process

3108 6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe
2284 bvbuuv.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe

description	pid	process	target process
PID 3108 wrote to memory of 2284	3108	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe	bvbuuv.exe
PID 3108 wrote to memory of 2284	3108	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe	bvbuuv.exe
PID 3108 wrote to memory of 2284	3108	6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe	bvbuuv.exe

C:\Users\Admin\AppData\Local\Temp\6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe
"C:\Users\Admin\AppData\Local\Temp\6d51c212a09f62e92f2df99594f8128be34b77195c96ce71cb4322c2d102d709.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3108

C:\Users\Admin\bvbuuv.exe
"C:\Users\Admin\bvbuuv.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:2284

Network

MITRE ATT&CK Enterprise 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

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\bvbuuv.exe

Filesize
124KB

MD5
369d8e31445fa6336ad42a944230e5bb

SHA1
04a97d939a2ba2dcc9971bdc8c4810cc4901ff02

SHA256
f0ac6e4d9e80c64528ccadf9bdfd4c4025e51eeb676b1cb9ef9735d229f4b75a

SHA512
95d76a8d27e2f443d5b68403bdf756c6044460fc772a9bcc9ba501f524f1fa22cf935d65344c8607303f074008180cc113c06f5a7fbe669eb3d165a5fd7bf85f

Download Submit
C:\Users\Admin\bvbuuv.exe

Filesize
124KB

MD5
369d8e31445fa6336ad42a944230e5bb

SHA1
04a97d939a2ba2dcc9971bdc8c4810cc4901ff02

SHA256
f0ac6e4d9e80c64528ccadf9bdfd4c4025e51eeb676b1cb9ef9735d229f4b75a

SHA512
95d76a8d27e2f443d5b68403bdf756c6044460fc772a9bcc9ba501f524f1fa22cf935d65344c8607303f074008180cc113c06f5a7fbe669eb3d165a5fd7bf85f

Download Submit
memory/2284-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads