71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0

General

Target

71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe
Size

40KB
MD5

0df526fb078ea80877c53ca07981ead0
SHA1

c1d6db91c7d69ad98949f7c25c13a9a84559cce1
SHA256

71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0
SHA512

a476b94d72eb257f6313e607ca908d6608b6c2e5a30b1d4fff17bd3437a52b3393c06a0017501815db3dcdb3176b220ce81245d9587c0bca0a294c27696505e8
SSDEEP

768:/4q31nOB9pDFxP+4bfWdGn36VMHnKMGK0c1snx:/4o9qDpbf0sq6HMnx

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1736 takeown.exe
1984 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exetakeown.exe

pid process

1984 icacls.exe
1736 takeown.exe

pid	process
1736	takeown.exe
1984	icacls.exe

pid	process
1984	icacls.exe
1736	takeown.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WiGCq = "C:\\Windows\\system32\\exds.exe"	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe

Drops file in System32 directory 2 IoCs

Processes:

71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\exds.exe	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe
File created	C:\Windows\SysWOW64\exds.exe	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

regini.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	regini.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.zhuangxiu008.com/"	regini.exe
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

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-1-5-21-999675638-2867687379-27515722-1000\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:

71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe

pid process

1476 71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe

pid	process
1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe

description	pid	process	target process
PID 1476 wrote to memory of 1736	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	takeown.exe
PID 1476 wrote to memory of 1736	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	takeown.exe
PID 1476 wrote to memory of 1736	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	takeown.exe
PID 1476 wrote to memory of 1736	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	takeown.exe
PID 1476 wrote to memory of 1984	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	icacls.exe
PID 1476 wrote to memory of 1984	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	icacls.exe
PID 1476 wrote to memory of 1984	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	icacls.exe
PID 1476 wrote to memory of 1984	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	icacls.exe
PID 1476 wrote to memory of 1328	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	regini.exe
PID 1476 wrote to memory of 1328	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	regini.exe
PID 1476 wrote to memory of 1328	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	regini.exe
PID 1476 wrote to memory of 1328	1476	71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe	regini.exe

C:\Users\Admin\AppData\Local\Temp\71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe
"C:\Users\Admin\AppData\Local\Temp\71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1476

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\exds.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1736

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\exds.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1984

C:\Windows\SysWOW64\regini.exe
C:\Windows\system32\\regini.exe "C:\Users\Admin\AppData\Local\Temp\uucRftC.ini"
2⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
PID:1328

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\uucRftC.ini
Filesize
633B

MD5
307edf4a3258717302e3d2ba7865ec69

SHA1
faa9b10078b3ee200bea0cb2645157843a8e4908

SHA256
bc4f3fa5dc6d89b482f4f09363cf82b6c6500b853b4d5fe3c589c4dc6601bf9a

SHA512
dfaa7e643e0c477701cce3de1aba8d506a1063d72547d760bcc76c274dd9069ad6529dfe341ff4202a8d50aabaa712db4c76928cc455fefb3f1601cf85558715

Download Submit
C:\Windows\SysWOW64\exds.exe
Filesize
40KB

MD5
0df526fb078ea80877c53ca07981ead0

SHA1
c1d6db91c7d69ad98949f7c25c13a9a84559cce1

SHA256
71c7c7abb28d61525629eae7155f7e6f80dd8ac5890bbffcda442fb7b9b914d0

SHA512
a476b94d72eb257f6313e607ca908d6608b6c2e5a30b1d4fff17bd3437a52b3393c06a0017501815db3dcdb3176b220ce81245d9587c0bca0a294c27696505e8

Download Submit
memory/1328-59-0x0000000000000000-mapping.dmp

Download
memory/1736-56-0x0000000000000000-mapping.dmp

Download
memory/1984-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads