4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4

General

Target

4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe
Size

112KB
MD5

4d16cd8f10ef3c30fa3a4a6356ba981c
SHA1

349ea859a8e01e7863726c2b85f3e1bfaac6c987
SHA256

4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4
SHA512

6789bfc1f49922b0e98fa8bdfac50839f8b53ff70c9832e0ce0f0892f56064c8f23dc6db9785676a0895e5545754527207f2f6cb552df41466b45e8898184fa2
SSDEEP

3072:NHqhRkfUSQSOGWANT2TZbCiPMBl2H+Qp51+9DU9wsaCpU9kXoAo6DSES2AE4mc0b:NEKUSHOGWANT2TZ+iPMf2H+Q31+9DU92

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:

wiewoo.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wiewoo.exe

Executes dropped EXE 1 IoCs

Processes:

wiewoo.exe

pid process

1416 wiewoo.exe

Loads dropped DLL 2 IoCs

Processes:

4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe

pid	process
1492	4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe
1492	4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe

Adds Run key to start application 2 TTPs 53 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wiewoo.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /p"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /k"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /N"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /S"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /v"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /J"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /I"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /Y"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /u"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /Z"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /g"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /G"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /X"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /T"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /L"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /d"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /h"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /t"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /M"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /q"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /r"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /o"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /j"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /i"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /m"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /l"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /n"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /A"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /z"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /Q"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /s"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /D"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /a"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /c"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /f"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /x"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /w"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /O"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /W"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /y"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /B"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /U"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /C"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /P"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /K"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /b"	wiewoo.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /R"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /E"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /e"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /V"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /H"	wiewoo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiewoo = "C:\\Users\\Admin\\wiewoo.exe /F"	wiewoo.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

wiewoo.exe

pid	process
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe
1416	wiewoo.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exewiewoo.exe

pid process

1492 4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe
1416 wiewoo.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe

description	pid	process	target process
PID 1492 wrote to memory of 1416	1492	4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe	wiewoo.exe
PID 1492 wrote to memory of 1416	1492	4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe	wiewoo.exe
PID 1492 wrote to memory of 1416	1492	4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe	wiewoo.exe
PID 1492 wrote to memory of 1416	1492	4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe	wiewoo.exe

C:\Users\Admin\AppData\Local\Temp\4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe
"C:\Users\Admin\AppData\Local\Temp\4f20090710449417cf45830879d20623540487d4564d052a83ccb3e6457cabe4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492

C:\Users\Admin\wiewoo.exe
C:\Users\Admin\wiewoo.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:1416

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\wiewoo.exe

Filesize
112KB

MD5
c4a976bf7bf9a45fbff9c007eb232bd6

SHA1
6f2f6dd01bbab7c66bbd030848e2454adfc47185

SHA256
1bfe9757f439bc25ec0ee02b74c053197928b1229d018e1beaf2afc83df3d447

SHA512
11a228bc7c83e5ef05013e7be5a6c2b69d73fdd14604f0f434974807d2bc50b66b9e2306dc52e0bf9db219ad6bd41c202b43d27b17928f9a503aeb6585ffb3e7

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

Filesize
112KB

MD5
c4a976bf7bf9a45fbff9c007eb232bd6

SHA1
6f2f6dd01bbab7c66bbd030848e2454adfc47185

SHA256
1bfe9757f439bc25ec0ee02b74c053197928b1229d018e1beaf2afc83df3d447

SHA512
11a228bc7c83e5ef05013e7be5a6c2b69d73fdd14604f0f434974807d2bc50b66b9e2306dc52e0bf9db219ad6bd41c202b43d27b17928f9a503aeb6585ffb3e7

Download Submit
\Users\Admin\wiewoo.exe

Filesize
112KB

MD5
c4a976bf7bf9a45fbff9c007eb232bd6

SHA1
6f2f6dd01bbab7c66bbd030848e2454adfc47185

SHA256
1bfe9757f439bc25ec0ee02b74c053197928b1229d018e1beaf2afc83df3d447

SHA512
11a228bc7c83e5ef05013e7be5a6c2b69d73fdd14604f0f434974807d2bc50b66b9e2306dc52e0bf9db219ad6bd41c202b43d27b17928f9a503aeb6585ffb3e7

Download Submit
\Users\Admin\wiewoo.exe

Filesize
112KB

MD5
c4a976bf7bf9a45fbff9c007eb232bd6

SHA1
6f2f6dd01bbab7c66bbd030848e2454adfc47185

SHA256
1bfe9757f439bc25ec0ee02b74c053197928b1229d018e1beaf2afc83df3d447

SHA512
11a228bc7c83e5ef05013e7be5a6c2b69d73fdd14604f0f434974807d2bc50b66b9e2306dc52e0bf9db219ad6bd41c202b43d27b17928f9a503aeb6585ffb3e7

Download Submit
memory/1416-59-0x0000000000000000-mapping.dmp

Download
memory/1492-56-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads