90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c

Analysis

max time kernel
36s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/10/2022, 06:25

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General

Target

90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Size

45KB
MD5

5823feb6138e4af415dad4b202443e27
SHA1

0b825ad364446ccbf20e35e22af4bf982ac7bbb0
SHA256

90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c
SHA512

005dfd37c0d4b24bdf36160c1b05be72f80b4e449dcacdedc49d711ddf0a01123ad7f2ba61f8c9508b351740735f01af218e22e73e1493eb851ec8acab33606a
SSDEEP

768:hzpYFSv9d8eteVbF/Bu3XaMflfODfuuEtjALMx+jdlqjnDo9+qxfmBLCxUgQMGLv:zz8x6Xa+l5pDDAx+qRYxv9

Score

10^/10

evasion

Malware Config

Signatures

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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "1"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\dao.ico	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Window Title = "Microsoft Internet Explorer"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key deleted	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TYPEDURLS	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window Title = "Microsoft Internet Explorer"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.4462.com/?yya"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.4462.com/?yya"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe

Modifies registry class 30 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\ÊôÐÔ(&R)\Command	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA\cdafile2 = "131316"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\DefaultIcon	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\É¾³ý(&D)\Command	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\ÖØÃüÃû(&M)	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\ShellFolder\HideFolderVerbs	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\DefaultIcon\ = "C:\\Program Files (x86)\\Internet Explorer\\IEXPLORE.EXE"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\Open(&O)\Command\ = "iexplore.exe http://www.4462.com/?yya"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\ShellFolder\Attributes = "0"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\Open(&O)\Command	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA\9 = "1"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\É¾³ý(&D)\Command\ = "Rundll32.exe"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\ÖØÃüÃû(&M)\Command	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\ÖØÃüÃû(&M)\Command\ = "Rundll32.exe"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\Open(&O)\ = "´ò¿ªÖ÷Ò³(&H)"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\ShellFolder	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA\1 = "20221004"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\ÊôÐÔ(&R)	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\ÊôÐÔ(&R)\Command\ = "Rundll32.exe Shell32.dll,Control_RunDLL Inetcpl.cpl"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\Open(&O)	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\PlayFlashDXA\9 = "0"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\ShellFolder\WantsParseDisplayName	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\ = "Internet Explorer"	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\Shell\É¾³ý(&D)	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA8}\ShellFolder\HideOnDesktopPerUser	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 1996	1160	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe	26
PID 1160 wrote to memory of 1996	1160	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe	26
PID 1160 wrote to memory of 1996	1160	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe	26
PID 1160 wrote to memory of 1996	1160	90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe	26

C:\Users\Admin\AppData\Local\Temp\90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
"C:\Users\Admin\AppData\Local\Temp\90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
  C:\Users\Admin\AppData\Local\Temp\90fa4731ec5af242c038b70739508961ef174a1918d01132d1e35cde6a238d1c.exe
  2⤵
  - Modifies Internet Explorer settings
  - Modifies Internet Explorer start page
  PID:1996

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

memory/1160-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1160-58-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1160-59-0x00000000002D0000-0x00000000002F6000-memory.dmp

Filesize
152KB

Download
memory/1160-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1996-57-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads