cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34

General

Target

cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe
Size

36KB
MD5

22f609b7f4bfb41f44eaf17045c9c336
SHA1

bf4845a31a2024f91f7d7ef9d6541dce88efb7f0
SHA256

cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34
SHA512

f0a12ff08a32b2359cfee5589131d03f135909cecb1e9757f22e8f7fe7f82056676a3cddaa27f3fd6166c739fec70ea2680fb643e0e1ce831c1017f403fb21f1
SSDEEP

768:/yT1HMQozvG6RualXL2jBLu0TFhLt+0dc5DA:/y5Mh3pqrtjWDA

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

2008 takeown.exe
1376 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

2008 takeown.exe
1376 icacls.exe

pid	process
2008	takeown.exe
1376	icacls.exe

pid	process
2008	takeown.exe
1376	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hir = "C:\\Windows\\system32\\oghw.exe"	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe

Drops file in System32 directory 2 IoCs

Processes:

cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe

description	ioc	process
File created	C:\Windows\SysWOW64\oghw.exe	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe
File opened for modification	C:\Windows\SysWOW64\oghw.exe	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

regini.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main	regini.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.zhuangxiu008.com/"	regini.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	regini.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.zhuangxiu008.com/"	regini.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

Processes:

regini.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.zhuangxiu008.com/"	regini.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.zhuangxiu008.com/"	regini.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe

pid process

960 cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe

pid	process
960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe

description	pid	process	target process
PID 960 wrote to memory of 2008	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	takeown.exe
PID 960 wrote to memory of 2008	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	takeown.exe
PID 960 wrote to memory of 2008	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	takeown.exe
PID 960 wrote to memory of 2008	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	takeown.exe
PID 960 wrote to memory of 1376	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	icacls.exe
PID 960 wrote to memory of 1376	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	icacls.exe
PID 960 wrote to memory of 1376	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	icacls.exe
PID 960 wrote to memory of 1376	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	icacls.exe
PID 960 wrote to memory of 688	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	regini.exe
PID 960 wrote to memory of 688	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	regini.exe
PID 960 wrote to memory of 688	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	regini.exe
PID 960 wrote to memory of 688	960	cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe	regini.exe

C:\Users\Admin\AppData\Local\Temp\cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe
"C:\Users\Admin\AppData\Local\Temp\cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\oghw.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2008

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\oghw.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1376

C:\Windows\SysWOW64\regini.exe
C:\Windows\system32\\regini.exe "C:\Users\Admin\AppData\Local\Temp\cYJKmre.ini"
2⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
PID:688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\cYJKmre.ini

Filesize
633B

MD5
307edf4a3258717302e3d2ba7865ec69

SHA1
faa9b10078b3ee200bea0cb2645157843a8e4908

SHA256
bc4f3fa5dc6d89b482f4f09363cf82b6c6500b853b4d5fe3c589c4dc6601bf9a

SHA512
dfaa7e643e0c477701cce3de1aba8d506a1063d72547d760bcc76c274dd9069ad6529dfe341ff4202a8d50aabaa712db4c76928cc455fefb3f1601cf85558715

Download Submit
C:\Windows\SysWOW64\oghw.exe

Filesize
36KB

MD5
22f609b7f4bfb41f44eaf17045c9c336

SHA1
bf4845a31a2024f91f7d7ef9d6541dce88efb7f0

SHA256
cdad9b1d8116ae6b1b52f9fe139d271cd41ee053ed03fc57c767dc5ea8341d34

SHA512
f0a12ff08a32b2359cfee5589131d03f135909cecb1e9757f22e8f7fe7f82056676a3cddaa27f3fd6166c739fec70ea2680fb643e0e1ce831c1017f403fb21f1

Download Submit
memory/688-59-0x0000000000000000-mapping.dmp

Download
memory/1376-57-0x0000000000000000-mapping.dmp

Download
memory/2008-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads