f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58

Analysis

max time kernel
136s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 20:38

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General

Target

f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Size

434KB
MD5

a422e9ec5deda1a459bb2069ad9e1007
SHA1

1d1a3494b0f9ab3e9847e500c7ea1c6d0b975248
SHA256

f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58
SHA512

a97e35e0a50b8b2ecdf8e56db075afe67e48f0892721f6f363a0874b529230b805f187c859a1398077af777c3673d4f0c27439ea87814bfd718fe37d1288b23f
SSDEEP

12288:dWWVmQdOw0tp2cYM0jz1H0n85Eny0Pq0c+bv:v1dncYMGz1H0vhPq0J

Score

10^/10

evasion

Malware Config

Signatures

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "1"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\system32\drivers\etc\hosts	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
File created	C:\WINDOWS\system32\drivers\etc\hosts	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msscp.reg	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
File opened for modification	C:\Windows\SysWOW64\msscp.reg	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\taobao.ico	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
File opened for modification	C:\Program Files\Common Files\System\taobao.ico	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\TYPEDURLS	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.4055ma.com"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.4055ma.com"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe

Modifies registry class 31 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.html	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\DefaultIcon	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\DefaultIcon\ = "C:\\Program Files\\Common Files\\System\\taobao.ico"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA\9 = "1"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA\cdafile2 = "191812"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open\command	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "C:\\Program Files\\internet explorer\\IEXPLORE.EXE,0"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.html\ = "htmlfile"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.htm\ = "htmfile"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA\9 = "0"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\DefaultIcon	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.htm	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\" \"%1\""	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.html\ = "htmlfile"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.htm\ = "htmfile"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\ = "htmfileico"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "C:\\Program Files\\internet explorer\\IEXPLORE.EXE,0"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\ = "htmfileico"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA\1 = "20221207"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.htm	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\iexplore.exe\" \"%1\""	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\.html	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open\command	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\shell\open	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmfile\DefaultIcon\ = "C:\\Program Files\\Common Files\\System\\taobao.ico"	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe

Runs .reg file with regedit 2 IoCs

pid	Process
4248	regedit.exe
4660	regedit.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 4248	3408	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	81
PID 3408 wrote to memory of 4248	3408	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	81
PID 3408 wrote to memory of 4248	3408	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	81
PID 3408 wrote to memory of 4696	3408	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	82
PID 3408 wrote to memory of 4696	3408	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	82
PID 3408 wrote to memory of 4696	3408	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	82
PID 4696 wrote to memory of 4660	4696	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	83
PID 4696 wrote to memory of 4660	4696	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	83
PID 4696 wrote to memory of 4660	4696	f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe	83

C:\Users\Admin\AppData\Local\Temp\f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
"C:\Users\Admin\AppData\Local\Temp\f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Drops file in Drivers directory
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\SysWOW64\regedit.exe
  C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
  2⤵
  - Runs .reg file with regedit
  PID:4248
- C:\Users\Admin\AppData\Local\Temp\f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
  C:\Users\Admin\AppData\Local\Temp\f70fa2fd5fa4af8af01086f7349806711f56da2f7aa4a391275c4d6a88e9df58.exe
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Drops file in Drivers directory
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Modifies Internet Explorer start page
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4696
- - C:\Windows\SysWOW64\regedit.exe
    C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
    3⤵
    - Runs .reg file with regedit
    PID:4660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

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\system32\drivers\etc\hosts

Filesize
1KB

MD5
04582f0454992dcdd3c384d0730a98a1

SHA1
52296a9dac4ee0876fefb42fd1a1c588ae3a865f

SHA256
878126f2a00b67331d99b05158498b0ad40217de099a5b3534d1b7aeb3a35d19

SHA512
2db49de10dd7b1fc27ae838fab4441e76aeae151b55de7b29f10c4750b5ed29a692f496cb7b5e01021a5cac8482deeb74687d88a016cb82b6ef9814a855cefc5

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

Filesize
336B

MD5
45c2ffcb48ade649255bc861d1928963

SHA1
4a7042765fab8063c2383fb9cde3a4ece24a0628

SHA256
658a998e67711f328b0a8a5dd1ccb6738d0fc0abd0351c71270c4fc4b490fa71

SHA512
70cfa5b430e18a589e0d88284d5a79433a3b7351767ccf1500349b8e44ab2a8f3c5dffd86124cccf4b326dac5f93dd3ef7c48873fa58c0b3413eb629ef9c53db

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

Filesize
336B

MD5
45c2ffcb48ade649255bc861d1928963

SHA1
4a7042765fab8063c2383fb9cde3a4ece24a0628

SHA256
658a998e67711f328b0a8a5dd1ccb6738d0fc0abd0351c71270c4fc4b490fa71

SHA512
70cfa5b430e18a589e0d88284d5a79433a3b7351767ccf1500349b8e44ab2a8f3c5dffd86124cccf4b326dac5f93dd3ef7c48873fa58c0b3413eb629ef9c53db

Download Submit
memory/3408-132-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/3408-141-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4696-139-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads