c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93

Analysis

max time kernel
48s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
12-10-2022 14:47

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General

Target

c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Size

434KB
MD5

4dcb71bfd7a62e0417e78bc8943a9b9a
SHA1

42c51662a844f05c43a11dfdada1235107734905
SHA256

c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93
SHA512

9f3bb6f04b0d411e99ea5839b95e5081d5387dc6e2fdc4df2a546b31a5ebf8571d8f7bf1aa8258ef8bda9ba82b11b60e6c523f1692185e77371b8a16458ba2c5
SSDEEP

12288:XWWVmQdOw0tp2cYM0jz1H0n85Eny0PqtLvD:R1dncYMGz1H0vhPqJ

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe D:\\RECYGLER"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe D:\\RECYGLER"	regedit.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "1"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msscp.reg	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
File opened for modification	C:\Windows\SysWOW64\msscp.reg	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\System\taobao.ico	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
File created	C:\Program Files\Common Files\System\taobao.ico	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TYPEDURLS	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

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.baisou123.com"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.baisou123.com"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe

Modifies registry class 43 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\shell	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\DefaultIcon	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\shell	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\shell\open(&H)	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\IsShortCut	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open\command	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.html\ = "htmlfile"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\DefaultIcon\ = "C:\\Program Files\\Common Files\\System\\taobao.ico"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\ = "htmfile"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\shell\open(&H)\command\ = "D:\\Program\\3610\\360Safe.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open\command	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\" \"%1\""	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Play2a	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Play2a\10 = "1"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.html\ = "htmlfile"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\shell\open(&H)\command\ = "D:\\Program\\3610\\360Safe.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "C:\\Program Files\\internet explorer\\IEXPLORE.EXE,0"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "C:\\Program Files\\internet explorer\\IEXPLORE.EXE,0"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\ = "htmfile"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\ = "htmfileico"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\shell\open(&H)	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\shell\open(&H)\command	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.html	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\DefaultIcon	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\" \"%1\""	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\DefaultIcon\ = "C:\\Program Files\\Common Files\\System\\taobao.ico"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Play2a\1 = "20221012"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Play2a\10 = "0"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\IsShortCut	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}\shell\open(&H)\command	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.html	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\ = "htmfileico"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Play2a\3 = "311449"	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8F92DA15-A229-A4D5-B5CE-5280C8B89C19}	regedit.exe

Runs .reg file with regedit 2 IoCs

pid	Process
1356	regedit.exe
988	regedit.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1356	1376	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	26
PID 1376 wrote to memory of 1356	1376	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	26
PID 1376 wrote to memory of 1356	1376	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	26
PID 1376 wrote to memory of 1356	1376	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	26
PID 1376 wrote to memory of 1168	1376	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	27
PID 1376 wrote to memory of 1168	1376	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	27
PID 1376 wrote to memory of 1168	1376	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	27
PID 1376 wrote to memory of 1168	1376	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	27
PID 1168 wrote to memory of 988	1168	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	28
PID 1168 wrote to memory of 988	1168	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	28
PID 1168 wrote to memory of 988	1168	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	28
PID 1168 wrote to memory of 988	1168	c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe	28

C:\Users\Admin\AppData\Local\Temp\c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
"C:\Users\Admin\AppData\Local\Temp\c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\SysWOW64\regedit.exe
  C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
  2⤵
  - Modifies WinLogon for persistence
  - Modifies registry class
  - Runs .reg file with regedit
  PID:1356
- C:\Users\Admin\AppData\Local\Temp\c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
  C:\Users\Admin\AppData\Local\Temp\c9c403edf404694248aef573dfb626e56a3dbd68879eada0e46058ca21ad8b93.exe
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Modifies Internet Explorer start page
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\SysWOW64\regedit.exe
    C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
    3⤵
    - Modifies WinLogon for persistence
    - Modifies registry class
    - Runs .reg file with regedit
    PID:988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Common Files\System\taobao.ico

Filesize
14KB

MD5
468fada123f5548ac87e57bae81f6782

SHA1
edb8f012c25906e6afd8bf335b495e16c440243d

SHA256
091c882bb307d57f2c7c42309e7ba8740130fef8c3ed772b0bc5e5505e37034d

SHA512
635ec26c88c2394dd4f2a81b9aea8f429a91adfeb37ae34e51b03f3cf8e503c123c3685938f40cea07d6146e0c7113aadbe62fa528f1f6d8b995e617fd68a4aa

Download Submit
C:\Windows\SysWOW64\msscp.reg

Filesize
1KB

MD5
2a645eb5023a526549f59a9ff4e5270d

SHA1
0b0dcba132e7e83d9d5c4bb74a745109299c1bfd

SHA256
1ce92aff6ba1628f372ff559fbc787475b473f59d0797f2cbf627d619fa31d42

SHA512
a8de7ba1dd17b3f842bd995e71fd63a224a1483296fc4a1560d11fc132741a45188b7ade6f5d21b7bf64d4a029728268ebe1698d4a13abd2a7e180b06b8b3a33

Download Submit
C:\Windows\SysWOW64\msscp.reg

Filesize
1KB

MD5
2a645eb5023a526549f59a9ff4e5270d

SHA1
0b0dcba132e7e83d9d5c4bb74a745109299c1bfd

SHA256
1ce92aff6ba1628f372ff559fbc787475b473f59d0797f2cbf627d619fa31d42

SHA512
a8de7ba1dd17b3f842bd995e71fd63a224a1483296fc4a1560d11fc132741a45188b7ade6f5d21b7bf64d4a029728268ebe1698d4a13abd2a7e180b06b8b3a33

Download Submit
memory/1168-66-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1168-68-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1376-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1376-64-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1376-65-0x0000000001E80000-0x0000000001EFD000-memory.dmp

Filesize
500KB

Download
memory/1376-67-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads