d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2

General

Target

d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
Size

368KB
MD5

6eb87a458d8b7298ee772ce8db45e5ff
SHA1

172bc64d221d7730cf3ec930a115622db7307ede
SHA256

d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2
SHA512

ae335da85517e84433bdfcbd27fc58bcbe314d8e13e46e8375068e3233f0fb5c01133090b51a0b6476a1e6b80d0eaf6d57841b56ab953bba068be23561d01baf
SSDEEP

1536:EsPAPMcbmkiw+667MIBf28zPJtC6IoD/QWgxektFAo11iy:jPAPMcbmLf2RxIvy

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

T1564.001

Modify Registry

T1112

Processes:

nyvum.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	nyvum.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:

d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe

Executes dropped EXE 1 IoCs

Processes:

nyvum.exe

pid process

3676 nyvum.exe

Adds Run key to start application 2 TTPs 52 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

nyvum.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /K"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /p"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /n"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /r"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /j"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /i"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /D"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /y"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /E"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /P"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /a"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /H"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /T"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /I"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /g"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /w"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /B"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /Y"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /W"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /J"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /C"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /k"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /A"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /f"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /x"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /t"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /Z"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /d"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /L"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /e"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /N"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /m"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /O"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /R"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /s"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /u"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /F"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /X"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /M"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /q"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /o"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /b"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /v"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /G"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /c"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /h"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /z"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /V"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /S"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /Q"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /l"	nyvum.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nyvum = "C:\\Users\\Admin\\nyvum.exe /U"	nyvum.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

nyvum.exe

pid	process
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe
3676	nyvum.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exenyvum.exe

pid process

4948 d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
3676 nyvum.exe

pid	process
4948	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
3676	nyvum.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exenyvum.exe

description	pid	process	target process
PID 4948 wrote to memory of 3676	4948	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe	nyvum.exe
PID 4948 wrote to memory of 3676	4948	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe	nyvum.exe
PID 4948 wrote to memory of 3676	4948	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe	nyvum.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
PID 3676 wrote to memory of 4948	3676	nyvum.exe	d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe

C:\Users\Admin\AppData\Local\Temp\d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe
"C:\Users\Admin\AppData\Local\Temp\d1b880b4a5e9107ef5b1717b144043dbed9e506b28ade198a3d068b7f1b03aa2.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4948

C:\Users\Admin\nyvum.exe
"C:\Users\Admin\nyvum.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
- Suspicious use of WriteProcessMemory
PID:3676

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\nyvum.exe
Filesize
368KB

MD5
3d53f78989c7fab189342a8a5d68e681

SHA1
a12d0c9cac5571a66d1385dc5c4880ce5d6311bd

SHA256
c8e3056f939710588b91a7d1a88bbd7d92b99553b65b0c7f9b1d7be237968e2a

SHA512
fb06861b9fb7ce4b51e193f16af5c8ec788c6d1ae45ad7b218f840d06a4ce6139dac31d3a0ce88becb9edd3ba5f38ceb563ab9ae8d519d2827c7eeabd7bdd4d1

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads