78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687

General

Target

78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe
Size

40KB
MD5

4768642bba81411e4997b9a6008d3f31
SHA1

7d836b425a30d21d4331e690b692941d30b2f2a5
SHA256

78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687
SHA512

506bcbbde6a21bff05da40510838538fd61dda74cd8f1d518e173688227ad7f09b2d31eb1a3a67cc08342a0298dec8a20e933e879225ce3b6f559f66b5f7cf28
SSDEEP

768:/wQzdrGfCTKKtCOXfVPVIU76Nnefs7i0ENtAgNTa6yWjttDsv/x:/w6qOIm6Nnefs7lENtA0ttw5

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1636 takeown.exe
636 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1636 takeown.exe
636 icacls.exe

pid	process
1636	takeown.exe
636	icacls.exe

pid	process
1636	takeown.exe
636	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Gxl = "C:\\Windows\\system32\\xkug.exe"	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe

Drops file in System32 directory 2 IoCs

Processes:

78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe

description	ioc	process
File created	C:\Windows\SysWOW64\xkug.exe	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe
File opened for modification	C:\Windows\SysWOW64\xkug.exe	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	regini.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.zhuangxiu008.com/"	regini.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.zhuangxiu008.com/"	regini.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe

pid process

1760 78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe

pid	process
1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe

description	pid	process	target process
PID 1760 wrote to memory of 1636	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	takeown.exe
PID 1760 wrote to memory of 1636	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	takeown.exe
PID 1760 wrote to memory of 1636	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	takeown.exe
PID 1760 wrote to memory of 636	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	icacls.exe
PID 1760 wrote to memory of 636	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	icacls.exe
PID 1760 wrote to memory of 636	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	icacls.exe
PID 1760 wrote to memory of 1400	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	regini.exe
PID 1760 wrote to memory of 1400	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	regini.exe
PID 1760 wrote to memory of 1400	1760	78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe	regini.exe

C:\Users\Admin\AppData\Local\Temp\78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe
"C:\Users\Admin\AppData\Local\Temp\78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\xkug.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1636

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\xkug.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:636

C:\Windows\SysWOW64\regini.exe
C:\Windows\system32\\regini.exe "C:\Users\Admin\AppData\Local\Temp\ZgvvLSY.ini"
2⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
PID:1400

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

1

T1222

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ZgvvLSY.ini
Filesize
633B

MD5
307edf4a3258717302e3d2ba7865ec69

SHA1
faa9b10078b3ee200bea0cb2645157843a8e4908

SHA256
bc4f3fa5dc6d89b482f4f09363cf82b6c6500b853b4d5fe3c589c4dc6601bf9a

SHA512
dfaa7e643e0c477701cce3de1aba8d506a1063d72547d760bcc76c274dd9069ad6529dfe341ff4202a8d50aabaa712db4c76928cc455fefb3f1601cf85558715

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

MD5
4768642bba81411e4997b9a6008d3f31

SHA1
7d836b425a30d21d4331e690b692941d30b2f2a5

SHA256
78902c6af32a5036b21ba9ec8ffc94222f34ec73f14b7a6035c3db0c8eb48687

SHA512
506bcbbde6a21bff05da40510838538fd61dda74cd8f1d518e173688227ad7f09b2d31eb1a3a67cc08342a0298dec8a20e933e879225ce3b6f559f66b5f7cf28

Download Submit
memory/636-135-0x0000000000000000-mapping.dmp

Download
memory/1400-137-0x0000000000000000-mapping.dmp

Download
memory/1636-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads