4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6

General

Target

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Size

3.8MB
MD5

57c10b764a04c7becd89b8159f5fa88a
SHA1

84cfd16944399f66550ab8f7e958146903e455ef
SHA256

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6
SHA512

abee86b8b4d83bbbaa953caba2f8bd556ba4c41748079623cd4933c9662589d62244b80872234c04b4e6745b4bb77a0e9638fbc001eeaee0341050ed82ff1915
SSDEEP

98304:eBVZB/g2p6FYskEhipqdwkLQHHhsSYt8d7+94qoa+N0:Q36+skCfsKSOo+93H

Score

9^/10

evasion upx vmprotect

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	acprotect

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\Disableregistrytools = "0"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\Disableregistrytools = "1"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	upx
behavioral1/memory/1512-66-0x0000000000820000-0x000000000085D000-memory.dmp	upx

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral1/memory/1512-57-0x0000000002BC0000-0x0000000002D8D000-memory.dmp	vmprotect
behavioral1/memory/1512-59-0x0000000002BC0000-0x0000000002D8D000-memory.dmp	vmprotect

Loads dropped DLL 2 IoCs

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

pid	process
1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Drops file in System32 directory 2 IoCs

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

description	ioc	process
File created	C:\Windows\SysWOW64\svchost.exe	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
File opened for modification	C:\Windows\SysWOW64\svchost.exe	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

pid process

1512 4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.2345.com/?28879"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.2345.com/?28879"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.2345.com/?kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Modifies Internet Explorer start page 1 TTPs 4 IoCs

stealer

Modify Registry

T1112

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.2345.com/?kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.2345.com/?28879"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

description	ioc	process
Key created	\REGISTRY\USER\Software\Microsoft\Internet Explorer\Main	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\Software	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\SOFTWARE\Classes\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\SOFTWARE	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\Software\Policies\Microsoft\Internet Explorer\Main	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Modifies registry class 32 IoCs

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\S-1-5-21-1202660629-2147037411-854245398-500\CLSID	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\S-1-5-21-1202660629-2147037411-854245398-500\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\"http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Wow6432Node\CLSID	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Policies\Microsoft\Internet Explorer\Main\Search Bar = "http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Policies\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\S-1-5-21-1202660629-2147037411-854245398-500\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Classes\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Classes	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Policies\Microsoft	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Policies\Microsoft\Internet Explorer\Main	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\S-1-5-21-1202660629-2147037411-854245398-500\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Wow6432Node	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Software\Microsoft\Internet Explorer\Main	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Classes\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Software\Policies\Microsoft\Internet Explorer\Main	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Software	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command = "C:\\Program Files\\Internet Explorer\\iexplore.exe %1 http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Classes\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command = "C:\\Program Files\\Internet Explorer\\iexplore.exe %1 http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Policies	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\S-1-5-21-1202660629-2147037411-854245398-500\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Policies\Microsoft\Internet Explorer	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.2345.com/kfi1997"	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\S-1-5-21-1202660629-2147037411-854245398-500	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Classes\CLSID	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\Classes\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

pid process

1512 4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

pid	process
1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe

description	pid	process	target process
PID 1512 wrote to memory of 524	1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe	svchost.exe
PID 1512 wrote to memory of 524	1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe	svchost.exe
PID 1512 wrote to memory of 524	1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe	svchost.exe
PID 1512 wrote to memory of 524	1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe	svchost.exe
PID 1512 wrote to memory of 880	1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe	svchost.exe
PID 1512 wrote to memory of 880	1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe	svchost.exe
PID 1512 wrote to memory of 880	1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe	svchost.exe
PID 1512 wrote to memory of 880	1512	4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe
"C:\Users\Admin\AppData\Local\Temp\4536efcc9382cd4498470c36f16267882d4173e58dfa4cfee880e198e7d8d8c6.exe"
1⤵
- Disables RegEdit via registry modification
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
2⤵
PID:524

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
2⤵
PID:880

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\SkinH_EL.dll
Filesize
86KB

MD5
147127382e001f495d1842ee7a9e7912

SHA1
92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

SHA256
edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

SHA512
97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

Download Submit
\Users\Admin\AppData\Local\Temp\lazycommon.dll
Filesize
676KB

MD5
033d1db88147b6dab9a1795027a87e74

SHA1
f6e9f5e82af3e9546711d42aab705a494e851d44

SHA256
a85b830cec14449763cc174d600324372798f2bb8c5276546419cc6b2563db1c

SHA512
7689fc5812fc89e27f5691259c15e4109b3ecfd1933393e1d9ce2d63acc37149aa4cf6124c353b62b39352162e9509d7b49caeaabc1618c8e495a14cef095e33

Download Submit
memory/524-67-0x0000000000000000-mapping.dmp

Download
memory/880-69-0x0000000000000000-mapping.dmp

Download
memory/1512-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1512-56-0x0000000010000000-0x00000000100AA000-memory.dmp

Filesize
680KB

Download
memory/1512-57-0x0000000002BC0000-0x0000000002D8D000-memory.dmp

Filesize
1.8MB

Download
memory/1512-59-0x0000000002BC0000-0x0000000002D8D000-memory.dmp

Filesize
1.8MB

Download
memory/1512-64-0x0000000010000000-0x00000000100AA000-memory.dmp

Filesize
680KB

Download
memory/1512-65-0x0000000002BC0000-0x0000000002D8D000-memory.dmp

Filesize
1.8MB

Download
memory/1512-66-0x0000000000820000-0x000000000085D000-memory.dmp

Filesize
244KB

Download
memory/1512-68-0x0000000002BC0000-0x0000000002D8D000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads