e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050

General

Target

e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe
Size

180KB
MD5

5afa821c64f2dcd9bbe95c64f929fc5c
SHA1

35c423c30d3ba3e494abc558f3f06bff81268c37
SHA256

e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050
SHA512

71216f4cb346f6bae0a88d3111c0c5dc446b7e04cf0acec7d1bf3d4f6601bf7232cf630b4c58dc8a50f559e83cc42b332f7456694bb96f23363ece11a75dce03
SSDEEP

3072:6IMGdYRLoeEdRos/eaqFnqWDb+uTyLDC6s5sSYqGlC6YViZj5HQXZmmJ0yCFiox+:VtcKPpm2lC6YViZj5HQXZmmJ0yCF9Bx/

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:

e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exeyuajuat.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"	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	yuajuat.exe

Executes dropped EXE 1 IoCs

Processes:

yuajuat.exe

pid process

3216 yuajuat.exe

pid	process
3216	yuajuat.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:

e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe

Adds Run key to start application 2 TTPs 55 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

yuajuat.exee73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /G"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /v"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /t"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /f"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /n"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /V"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /g"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /u"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /d"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /k"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /q"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /F"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /m"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /O"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /p"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /T"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /M"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /a"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /j"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /R"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /c"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /h"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /B"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /w"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /W"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /y"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /z"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /K"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /J"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /b"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /N"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /Q"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /L"	yuajuat.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /o"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /Z"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /A"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /C"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /P"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /I"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /l"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /r"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /U"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /E"	yuajuat.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /d"	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /D"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /H"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /S"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /e"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /x"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /s"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /X"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /Y"	yuajuat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuajuat = "C:\\Users\\Admin\\yuajuat.exe /i"	yuajuat.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:

e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exeyuajuat.exe

pid	process
2368	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe
2368	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe
3216	yuajuat.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exeyuajuat.exe

pid process

2368 e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe
3216 yuajuat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe

description	pid	process	target process
PID 2368 wrote to memory of 3216	2368	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe	yuajuat.exe
PID 2368 wrote to memory of 3216	2368	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe	yuajuat.exe
PID 2368 wrote to memory of 3216	2368	e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe	yuajuat.exe

C:\Users\Admin\AppData\Local\Temp\e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.exe
"C:\Users\Admin\AppData\Local\Temp\e73b6e84389fb3c5a96634010b6ae3de1480701d04aa442a642a5f4639050050.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:2368

C:\Users\Admin\yuajuat.exe
"C:\Users\Admin\yuajuat.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:3216

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\yuajuat.exe

Filesize
180KB

MD5
7891310f43061716603b8b72b194f768

SHA1
58a64aad1ee5452cbada7b5a0c9c70e9092321b9

SHA256
ab283b882b42b13369dcfcd37bdf5ee9e1c1aaa0cf2fc8fed7c5163810161d86

SHA512
7c883e1491259cac886cfbe56862f1cc4b460620e627949e280e3d9cd8af3075b31190fb2073350ed978740f02282d41cd1b02d393086fe75f7cb214cb27c381

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

Filesize
180KB

MD5
7891310f43061716603b8b72b194f768

SHA1
58a64aad1ee5452cbada7b5a0c9c70e9092321b9

SHA256
ab283b882b42b13369dcfcd37bdf5ee9e1c1aaa0cf2fc8fed7c5163810161d86

SHA512
7c883e1491259cac886cfbe56862f1cc4b460620e627949e280e3d9cd8af3075b31190fb2073350ed978740f02282d41cd1b02d393086fe75f7cb214cb27c381

Download Submit
memory/3216-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads